Zgurasti Ice Cave, Romania
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University of Reading

John Methven's home page

For links to the articles via the University of Reading Centaur repository, please see my Department staff page.

Richardson, D. S., Cloke, H. L., Methven, J. and Pappenberger, F. (2024).
Jumpiness in ensemble forecasts of Atlantic tropical cyclone tracks. Weather and Forecasting, 39, 203-215, doi:10.1175/WAF-D-23-0113.1.

O'Reilly, C. H., Drouard, M., Ayarzaguena, B., Ambaum, M. H. P. and Methven, J. (2024).
The role of storm track dynamics in the intraseasonal variability of the winter ENSO teleconnection to the North Atlantic. Q. J. Roy. Met. Soc. , Early View, 1-18, doi:10.1002/qj.4691.

Wolf, G., Ferrett, S., Methven, J., Frame, T., Holloway, C. E., Martinez-Alvarado, O. and Woolnough, S. (2024).
Comparison of probabilistic forecasts of extreme precipitation for a global and convection-permitting ensemble and hybrid statistical-dynamical method based on equatorial wave information. Q. J. Roy. Met. Soc. , Early View, https://doi.org/10.1002/qj.4627.

Craig, P., Ferreira, D. and Methven, J. (2024).
A Lagrangian perspective on the Atlantic and Pacific precipitation-evaporation asymmetry. J. Geophys. Res. Atmos. , accepted.

Hermoso, A., Riviere, G., Harvey, B., Methven, J. and Schemm, S. (2024).
A dynamical interpretation of the intensification of the winter North Atlantic jet stream in reanalysis. J. Climate , submitted.

Riviere, G., Delanoe, J., Doyle, J. D., Methven, J., Barrell, C., Fearon, M., Gray, S. L., Johnson, A., Jourdan, O., Lachlan-Cope, T., Renfrew, I., Torn, R., Volonte, A., Weiss, A., Wimmer, M. et al. (2024).
The THINICE field campaign: Interactions between Arctic cyclones, tropopause polar vortices, clouds and sea ice in summer. Bull. Am. Meteorol. Soc. , submitted.

Crook, J., Hardy, S., Methven, J., Schwendike, J., Yik, D. J. and Yang, G.-Y. (2024).
The structure of Borneo vortices and their relationship with cold surges and equatorial waves. Q. J. Roy. Met. Soc. , submitted.

Bland, J., Forbes, R., Gray, S. L. and Methven, J. (2024).
Processes controlling extratropical near-tropopause humidity and temperature in the ECMWF global weather forecast model. Q. J. Roy. Met. Soc., , submitted.

Fallon, J., Brayshaw, D., Methven, J., Jensen, K. and Krug, L. (2024).
A new framework for using weather-sensitive surplus power reserves in critical infrastructure. Meteorol. Apps. , Early View, https://doi.org/10.1002/met.2158.

Fallon, J., Brayshaw, D., Methven, J., Jensen, K. and Krug, L. (2024).
Climate scenario assessment for releasing weather-sensitive infrastructure power reserves. Environmental Research: Climate , submitted.

Fallon, J., Brayshaw, D., Methven, J., Greenwood, D., Jensen, K. and Krug, L. (2024).
Revenue from weather-sensitive surplus energy capacity of reserve systems. Applied Energy , submitted.

Ross, A. N. and Methven, J. (2023).
Introduction to the QJ-at-150 anniversary collection. Q. J. Roy. Met. Soc., https://doi.org/10.1002/qj.4504.

Croad, H. L., Methven, J., Harvey, B. J., Keeley, S. P. E., and Volonte, A. (2023).
The role of boundary layer processes in summer-time Arctic cyclones. Weather Clim. Dyn., 4, 617-638, doi.org/10.5194/wcd-4-617-2023.

Croad, H. L., Methven, J., Harvey, B. J., Keeley, S. P. E., Volonte, A. and Hodges, K. I. (2023).
A climatology of summer-time Arctic cyclones using a modified phase space. Geophys. Res. Lett., 50, doi.org/10.1029/2023GL105993.

Hardy, S., Methven, J., Schwendike, J., Harvey, B. J., Cullen, M. (2023).
Examining the dynamics of a Borneo vortex using a balance approximation tool. Weather Clim. Dyn., 4, 1019-1043, doi.org/10.5194/wcd-4-1019-2023.

Ferrett, S., Methven, J., Woolnough, S., Yang, G.-Y., Holloway, C. E. and Wolf, G. (2023).
Hybrid dynamical-statistical forecasts of the risk of rainfall in Southeast Asia dependent on equatorial waves. Mon. Weather Rev., 151, 2139-2152, doi.org/10.1175/MWR-D-22-0300.1.

Feng, X., Yang, G.-Y., Hodges, K. and Methven, J. (2023).
Equatorial waves: Precursors to tropical cyclone occurrence and intensification. Nature Comms., 14, doi:10.1038/s41467-023-36055-5.

Gonzalez, P., Howard, E., Ferrett, S., Frame, T. H. A, Martinez-Alvarado, O., Methven, J. and Woolnough, S. (2023).
Weather patterns in Southeast Asia: Enhancing high-impact weather sub-seasonal forecast skill. Q. J. Roy. Met. Soc., 149, 19-39, doi:10.1002/qj.4378.

Dunion, J. P., Davis, C., Titley, H., Greatrex, H., Yamaguchi, M., Methven, J., Ashrit, R., Wang, Z., Yu, H., Fontan, A.-C., Brammer, A., Kucas, M., Ford, M., Papin, P., Prates, F., Kruczkiewicz, A., Chakraborty, P., Burton, A., DeMaria, M., Mooney, C., Torn, R., Vigh, J. L. (2023).
Recommendations for Improved Tropical Cyclone Formation and Position Probabilistic Forecast Products. Trop. Cyclone Res. Rev. , Early online, https://doi.org/10.1016/j.tcrr.2023.11.003.

Conroy, A., Titley, H., Rivett, R., Feng, X., Methven, J., Hodges, K., Brammer, A., Burton, A., Chakraborty, P., Chen, G., Cowan, L., Dunion, J., Sarkarm, A. (2023).
Track Forecast: Operational Capability and New Techniques - Summary from the Tenth International Workshop on Tropical Cyclones (IWTC-10). Trop. Cyclone Res. Rev., 12, 64-80, doi:10.1016/j.tcrr.2023.05.002.

Howard, E., Thomas, S., Frame, T. H. A, Gonzalez, P., Methven, J., Martinez-Alvarado, O. and Woolnough, S. (2022).
Weather patterns in Southeast Asia: Relationship with tropical variability and heavy precipitation. Q. J. Roy. Met. Soc., 148, 747-769, doi:10.1002/qj.4227.

Knippertz, P., Gehne, M., Kiladis, G. N., Kikuchi, K., Satheesh, A. R., Roundy, P. E., Yang, G.-Y., Zagar, N., Dias, J., Fink, A. H., Methven, J., Schlueter, A., Sielmann, F., Wheeler, M. C. (2022).
The intricacies of identifying equatorial waves. Q. J. Roy. Met. Soc., 148, 2814-2852, doi:10.1002/qj.4338.

Bland, J., Gray, S. L., Methven, J. and Forbes, R. (2021).
Characterising near tropopause analysis humidity biases and their radiative effects on temperature forecasts. Q. J. Roy. Met. Soc., 147, 3878-3898, doi:10.1002/qj.4150.

Saffin, L., Methven, J., Bland, J., Harvey, B. J. and Sanchez, C. (2021).
Circulation conservation in the outflow of warm conveyor belts and consequences for Rossby wave evolution. Q. J. Roy. Met. Soc., 147, 3587-3610, doi:10.1002/qj.4143.

Gray, S. L., Hodges, K. I., Vautrey, J. and Methven, J. (2021).
The role of tropopause polar vortices in the intensification of summer Arctic cyclones. Weather Clim. Dyn., 2, 1303-1324, https://doi.org/10.5194/wcd-2-1303-2021.

Ferrett, S., Frame, T. H. A, Methven, J., Holloway, C. E., Webster, S., Stein, T. H. M. and Cafaro, C. (2021).
Evaluating convection-permitting ensemble forecasts of precipitation over Southeast Asia. Weather and Forecasting, 36, 1199-1217, doi:10.1175/WAF-D-20-0216.1.

Yang, G.-Y., Ferrett, S., Woolnough, S. J., Methven, J. and Holloway, C. (2021).
Real-time identification of equatorial waves and evaluation of waves in global forecasts. Weather and Forecasting, 36, 171-193, doi:10.1175/WAF-D-20-0144.1.

Turner, H. V., Teixeira, M. A. C. and Methven, J. (2021).
The effect of the stable boundary layer on orographic gravity wave drag. Q. J. Roy. Met. Soc., 147, 321-340, doi:10.1002/qj.3920.

Craig, P.M., Ferreira, D. and Methven, J. (2020).
Monsoon-induced zonal asymmetries in moisture transport cause anomalous Pacific precipitation minus evaporation. Geophys. Res. Letters, 47, doi:10.1029/2020GL088659.

Ferrett, S., Woolnough, S., Hodges, K., Holloway, C., Methven, J. and Yang, G.-Y. (2020).
Linking extreme precipitation in Southeast Asia to equatorial waves. Q. J. Roy. Met. Soc., 146, 665-684, doi:10.1002/qj.3699.

Sanchez, C., Methven, J., Gray, S. and Cullen, M. (2020).
Linking rapid forecast error growth to diabatic processes. Q. J. Roy. Met. Soc., 146, 3548-3569, doi.org/10.1002/qj.3861.

Harvey, B. J., Methven, J., Sanchez, C. and Schaefler, A. (2020).
Diabatic generation of negative potential vorticity and its impact on the North Atlantic jet stream. Q. J. Roy. Met. Soc., 146, 1477-1497, doi.org/10.1002/qj.3747.

Schaefler, A., Harvey, B., Methven, J., Doyle, J. D., Rahm, S., Reitebuch, O., Weiler, F. and Witschas, B. (2020).
Observation of jet stream winds during NAWDEX and characterization of systematic meteorological analysis errors. Monthly Weather Review, 148, 2889-2907, doi.org/10.1175/MWR-D-19-0229.1.

Maher, P., Kelleher, M. E., Sansom, P. G. and Methven, J. (2020).
Is the subtropical jet shifting poleward? Climate Dynamics, 54, 1741-1759, doi:10.1007/s00382-019-05084-6.

Hartung, K., Shepherd, T. G., Hoskins, B. J., Methven, J. and Svensson, G. (2020).
Diagnosing topographic forcing in an atmospheric dataset: the case of the North American Cordillera. Q. J. Roy. Met. Soc., 146, 314-326, doi:10.1002/qj.3677.

Cafaro, C., Frame, T. H., Methven, J., Roberts, N. and Broecker, J. (2019).
The added value of convection-permitting ensemble forecasts of sea breeze compared to a Bayesian forecast driven by the global ensemble. Q. J. Roy. Met. Soc., 145, 1780-1798, doi:10.1002/qj.3531.

Turner, H. V., Teixeira, M. A. C., Methven, J. and Vosper, S. (2019).
Sensitivity of the surface orographic gravity wave drag to vertical wind shear over Antarctica. Q. J. Roy. Met. Soc., 145, 164-178, doi:10.1002/qj.3416.

Yang, G.-Y., Methven, J., Woolnough, S. J., Hodges, K. and Hoskins, B. J. (2018).
Linking African Easterly Wave activity with equatorial waves and the influence of Rossby waves from the Southern Hemisphere. J. Atmos. Sci., 75 ,1783-1809, doi:10.1175/JAS-D-17-0184.1.

Schaefler, A., G. Craig, H. Wernli, P. Arbogast, J. D. Doyle, R. McTaggart-Cowan, J. Methven, G. Riviere et al. (2018).
The North Atlantic Waveguide and Downstream Impact Experiment. Bull. Am. Meteorol. Soc., 99, 1610-1637, doi:10.1175/BAMS-D-17-0003.1.

Woollings, T., Barriopedro, D., Methven, J., Son, S.-W., Martius, O., Harvey, B., Sillmann,J., Lupo, A. R. and Seneviratne, S. (2018).
Blocking and its response to climate change. Current Climate Change Reports, 4 287-300, doi:10.1007/s40641-018-0108-z.

Brunet, G. and Methven, J. (2018).
Identifying wave processes associated with predictability across time scales: An empirical normal mode approach. In The Gap Between Weather And Climate Forecasting: Sub-Seasonal To Seasonal Prediction. Editors A. W. Robertson and F. Vitart. pp 65-90, Elsevier, doi:10.1016/B978-0-12-811714-9.00004-8.

Peatman, S., Methven, J. and Woolnough, S. J. (2018).
Isolating the effects of moisture entrainment on convectively-coupled equatorial waves in an aquaplanet GCM. J. Atmos. Sci., 75, 3139-3157, doi:10.1175/JAS-D-18-0098.1.

Harvey, B., Methven, J. and Ambaum, M. (2018).
An adiabatic mechanism for the reduction of jet meander amplitude by potential vorticity filamentation. J. Atmos. Sci., 75, 4091-4106, doi:10.1175/JAS-D-18-0136.1.

De Leeuw, J., Methven, J. and Blackburn, M. (2017).
Physical factors influencing regional precipitation variability attributed using an airmass trajectory method. J. Climate, 30, 7359-7378, doi:10.1175/JCLI-D-16-0547.1.

Saffin, L., Gray, S. L., Methven, J. and Williams, K. D. (2017).
Maintenance of tropopause sharpness in numerical models. J. Geophys. Res., 122, 9611-9627, doi:10.1002/2017jd026879.

Ridley, D. A., Cain, M., Methven, J. and Arnold, S. R. (2017).
Sensitivity of tropospheric ozone to chemical kinetic uncertainties in air masses influenced by anthropogenic and biomass burning emissions. Geophys. Res. Lett., 44, 7472-7481, doi:10.1002/2017GL073802.

Craig, P., Ferreira, D. and Methven, J. (2017).
The contrast between Atlantic and Pacific surface water fluxes. Tellus A, 69:1, 1330454.

Shaw, J., Weller, H., Methven, J. and Davies, T. (2017).
A multi-dimensional method-of-lines transport scheme for atmospheric flows over steep terrain using arbitrary meshes. J. Comput. Phys., 344, 86-107.

Cannon, D. J., Brayshaw, D. J., Methven, J. and Drew, D. (2017).
Determining the bounds of skilful forecast range for probabilistic prediction of system-wide wind power generation. Meteorol. Zeitschrift, 26 (3), 239-252, doi:10.1127/metz/2016/0751.

Cornforth, R., Mumba, Z., Parker, D. J. et al (2017).
Synoptic Systems (Chapter 2) in Meteorology of Tropical West Africa: The Forecasters' Handbook, Editors: Parker, D. J. and Diop-Kane, M., 528pp, Wiley, ISBN: 978-1-118-39130-3.

Harvey, B., Methven, J., Eagle, C. and Lean, H. (2017).
Does the Representation of Flow Structure and Turbulence at a Cold Front Converge on Multi-scale Observations with Model Resolution? Mon. Weather Rev., 145, 4345-4363.

Santos-Alamillos, F. J., Brayshaw, D. J., Methven, J., Thomaidis, N. S., Ruiz-Arias, J. A. and Pozo-Vazquez, D. (2017).
Exploring the meteorological potential for planning a high performance European electricity super-grid: Optimal capacity distribution among countries. Environ. Res. Lett., 12, 114030, doi:10.1088/1748-9326/aa8f18.

Harvey, B., Methven, J. and Ambaum, M. H. P. A. (2016).
Rossby wave propagation on potential vorticity fronts with finite width. J. Fluid Mech., 794, 775-797.

Swinbank, R., Kyouda, M., Buchanan, P., Froude, L., Hamill, T. M., Hewson, T., Keller, J. H., Matsueda, M., Methven, J., Pappenberger, F., Scheuerer, M., Titley, H., Yamaguchi, M. and Wilson, L. (2016).
The TIGGE project and its achievements. Bull. Am. Meteorol. Soc., 97, 49-67, doi: 10.1175/BAMS-D-13-00191.1.

De Leeuw, J., Methven, J. and Blackburn, M. (2016).
Variability and trends in England and Wales precipitation. Int. J. Climatology, 36, 2823-2836, doi: 10.1002/joc.4521.

Saffin, L., Methven, J. and Gray, S. L. (2016).
The non-conservation of potential vorticity by a dynamical core compared with the effects of parametrized physical processes. Q. J. Roy. Met. Soc., 142, 1265-1275, doi:10.1002/qj.2729.

Martinez-Alvarado, O., Gray, S. L. and Methven, J. (2016).
Diabatic processes and the evolution of two contrasting summer extratropical cyclones. Mon. Weather Rev., 144, 3251-3276, doi:10.1175/MWR-D-15-0395.1.

Methven, J. and Berrisford, P. (2015).
The slowly evolving background state of the atmosphere. Q. J. Roy. Met. Soc., 141, 2237-2258, doi:10.1002/qj.2518.

Methven, J. (2015).
Potential vorticity in warm conveyor belt outflow. Q. J. Roy. Met. Soc., 141, 1065-1071, doi: 10.1002/qj.2393.

Vaughan, G., Methven, J. +43 co-authors (2015).
Cloud banding and winds in intense European cyclones - first results from the DIAMET project. Bull. Am. Meteorol. Soc., 96, 249-265, doi: 10.1175/BAMS-D-13-00238.1.

Frame, T. H. A., Methven, J., Roberts, N. M. and Titley, H. A. (2015).
Predictability of frontal waves and cyclones. Weather and Forecasting, 30, 1291-1302, doi: 10.1175/WAF-D-15-0039.1.

De Leeuw, J., Methven, J. and Blackburn, M. (2015).
Evaluation of ERA-Interim precipitation products using England and Wales observations. Q. J. Roy. Met. Soc., 141, 798-806, doi: 10.1002/qj.2395.

Pearson, K. J., Shaffrey, L. C., Methven, J. and Hodges, K. I. (2015).
Can a climate model reproduce extreme regional precipitation events over England and Wales? Q. J. Roy. Met. Soc., 141, 1466-1472, doi: 10.1002/qj.2428.

Cannon, D. J., Brayshaw, D. J., Methven, J., Coker, P. J. and Lenaghan, D. (2015).
A 33 yr climatology of extreme wind power generation events in Great Britain. Renewable Energy, 75, 767-778.

Gray, S. L., Dunning, C., Methven, J., Masato, G. and Chagnon, J. (2014).
Systematic model forecast error in Rossby wave structure. Geophysical Res. Lett., 41, doi:10.1002/2014GL059282.

Martinez-Alvarado, O., Joos, H., Chagnon, Boettcher, M., Gray, S. L., Plant, R. S., Methven, J. and Wernli, H. (2014).
The dichotomous structure of the warm conveyor belt. Q. J. Roy. Met. Soc., 140, 1809-1824, doi: 10.1002/qj.2276.

Martinez-Alvarado, O., Baker, L., Gray, S. L., Methven, J. and Plant, R. S. (2014).
Distinguishing the cold conveyor belt and sting jet air streams in an intense extratropical cyclone. Mon. Weather Rev., 142, 2571-2595, doi: 10.1175/MWR-D-13-00348.1.

Peake, D. L., Dacre, H. F., Methven, J. and Coceal, O. (2014).
Meteorological factors controlling low-level pollutant outflow across a coast. Atmos. Chem. Phys., 14, 13295-13312.

Methven, J. (2013).
Wave activity for large amplitude disturbances described by the primitive equations on the sphere. J. Atmos. Sci., 70, 1616-1630.

Frame, T., Methven, J., Gray, S.L. and Ambaum, M.H.P. (2013).
Flow dependent predictability of the North Atlantic jet. Geophysical Res. Lett., 40, 2411-2416, doi:10.1002/grl.50454.

Baker, L., Martinez-Alvarado, O., Methven, J. and Knippertz, P. (2013).
Flying through extratropical cyclone Friedhelm. Weather, 63, 9-13.

Owens, M.J., Challen, R., Methven, J., Henley, E. and Jackson, D.R. (2013).
A 27-day persistence model of near-Earth solar wind conditions: A long lead-time forecast and a benchmark for dynamical models. Space Weather, 11, 225-236.

Ely, C. R., Brayshaw, D. J., Methven, J., Cox, J. and Pearce, O. (2013).
Implications of the North Atlantic Oscillation for a UK-Norway renewable power system. Energy Policy, dx.doi.org/10.1016/j.enpol.2013.06.037.

Chagnon, J., Gray, S. L. and Methven, J. (2013).
Diabatic processes modifying potential vorticity in a North Atlantic cyclone. Q. J. Roy. Met. Soc., 139, 1270-1282.

Cain, M., Methven, J. and Highwood, E. (2012).
Quantification of chemical and physical processes influencing ozone during long-range transport using a trajectory ensemble. Atmos. Chem. Phys., 12, 7015-7039.

Payne, B. and Methven, J. (2012).
Role of baroclinic waves in the initiation of tropical cyclones across the Southern Indian Ocean. Atmos. Sci. Lett., 13, 88-94.

Pugh, T. A. M., Cain, M., Methven, J., Wild, O., Arnold, S. R., Real, E., Law, K. S., Emmerson, K. M., Owen, S. M., Pyle, J. A., Hewitt, C. N. and MacKenzie, A. R. (2012).
A Lagrangian model of air-mass photochemistry and mixing using a trajectory ensemble: The Cambridge Tropospheric Trajectory model of Chemistry and Transport (CiTTyCAT). Geosci. Model Dev., 5, 193-221.

Irvine, E. A., Gray, S.L. and Methven, J. (2011).
Targeted observations of a polar low in the Norwegian Sea. Q. J. Roy. Met. Soc., 137, 1688-1699, doi: 10.1002/qj.914.

Irvine, E. A., Gray, S.L., Methven, J. and Renfrew, I.A. (2011).
Forecast impact of targeted observations: Sensitivity to observation error and proximity to steep orography. Monthly Weather Rev., 139, 69-78.

Brayshaw, D.J., Troccoli, A., Fordham, R, and Methven, J. (2011).
The impact of large scale atmospheric circulation patterns on wind power generation and its potential predictability: A case study over the UK. Renewable Energy, 36, 2087-2096.

Frame, T., Ambaum, M.H.P., Gray, S.L. and Methven, J. (2011).
Ensemble prediction of transitions of the North Atlantic eddy driven jet. Q. J. Roy. Met. Soc., 137, 1288-1297.

De Vries, H., Methven, J., Frame, T. and Hoskins, B.J. (2010).
Baroclinic waves with parameterised effects of moisture interpreted using Rossby wave components. J. Atmos. Sci., 67, 2766-2784.

Methven, J. (2010).
Diagnostics of the Extratropics. In proceedings of the ECMWF Annual Seminar 2009, 25-51.

Irvine, E. A., Gray, S.L., Methven, J. and Renfrew, I.A. (2010).
Can 4D-var use dynamical information from targeted observations of a baroclinic structure? Q. J. R. Meteorol. Soc., 136, 1396-1407.

Andres-Hernandez, M. D., Stone, D., Brookes, D. M., Commane, R., Reeves, C. E., Huntrieser, H., Heard, D. E., Monks, P. S., Burrows, J. P., Schlager, H., Kartal, D., Evans, M. J., Floquet, C. F. A., Ingham, T., Methven, J., and Parker, A. E. (2010).
Peroxy radical partitioning during the AMMA radical intercomparison exercise. Atmos. Chem. Phys., 10, 10621-10638, doi:10.5194/acp-10-10621-2010.

Knippertz, P., Chagnon, J.M., Foster, A., Lathouwers, L., Marsham, J.H., Methven, J. and Parker, D.J. (2010).
Research Flight Observations of a Pre-Frontal Gravity Wave near the Southwestern UK. Weather, 65, 293-297.

Reeves, C. E., Formenti, P., Afif, C., Ancellet, G., Attie, J.-L., Bechara, J., Borbon, A., Cairo, F., Coe, H., Crumeyrolle, S., Fierli, F., Flamant, C., Gomes, L., Hamburger, T., Lambert, C., Law, K. S., Mari, C., Jones, R. L., Matsuki, A., Mead, M. I., Methven, J., Mills, G. P., Minikin, A., Murphy, J. G., Nielsen, J. K., Oram, D. E., Parker, D. J., Richter, A., Schlager, H., Schwarzenboeck, A., and Thouret, V. (2010).
Chemical and aerosol characterisation of the troposphere over West Africa during the monsoon period as part of AMMA, Atmos. Chem. Phys., 10, 7575-7601.

Irvine, E. A., Gray, S.L., Methven, J., Renfrew, I.A., Bovis, K. and Swinbank, R. (2009).
The impact of targeted observations made during the Greenland Flow Distortion Experiment. Q. J. R. Meteorol. Soc., 135, 2012-2029.

Lee,J. D., G. McFiggans, J. D. Allan, A. R. Baker, S. M. Ball, A. K. Benton, L. J. Carpenter, R. Commane, B. D. Finley, M. Evans, E. Fuentes, K. Furneaux, A. Goddard, N. Good, J. F. Hamilton, D. E. Heard, H. Herrmann, A. Hollingsworth, J. R. Hopkins, T. Ingham, M. Irwin, C. E. Jones, R. L. Jones, W. C. Keene, M. J. Lawler, S. Lehmann, A. C. Lewis, M. S. Long, A. Mahajan, J. Methven, S. J. Moller, K. Müller, T. Müller, N. Niedermeier, S. O'Doherty, H. Oetjen, J. M. C. Plane, A. A. P. Pszenny, K. A. Read, A. Saiz-Lopez, E. S. Saltzman, R. Sander, R. von Glasow, L. Whalley, A. Wiedensohler, and D. Young. (2010).
Reactive Halogens in the Marine Boundary Layer (RHaMBLe): the tropical North Atlantic experiments. Atmos. Chem. Phys., 10, 1031-1055.

Parker, A. E., Monks, P. S., Jacob, M. J., Penkett, S. A., Lewis, A. C., Stewart, D. J., Whalley, L. K., Methven, J., and Stohl, A. (2009).
Peroxy radicals and ozone photochemistry in air masses undergoing long-range transport. Atmos. Chem. Phys. Discuss., 9, 18793-18838.

De Vries, H., Methven, J., Frame, T. and Hoskins, B.J. (2009).
An interpretation of baroclinic initial value problems: Results for simple basic states with non-zero interior PV gradients. J. Atmos. Sci., 66, 864-882.

Methven, J. and De Vries, H. (2008).
Comment on "Piecewise potential vorticity inversion: Elementary tests". J. Atmos. Sci., 65, 3003-3008.

Real, E., K. Law, H. Schlager, A. Roiger, H. Huntrieser, J. Methven, M. Cain, J. Holloway, J. A. Neuman, T. Ryerson, F. Flocke, J. de Gouw, E. Atlas, S. Donnelly, and D. Parrish (2008).
Lagrangian analysis of low level anthropogenic plume processing across the North Atlantic. Atmos. Chem. Phys., 8, 7737-7754.

Blackburn, M., Methven, J. and Roberts, N. (2008).
Large-scale context for the UK floods in summer 2007. Weather, 63, 280-288.

Arnold, S.R., Methven, J., Evans, M.J., Chipperfield, M.P., Lewis, A.C., Hopkins, J., Stohl, A., McQuaid, J.B., Watson, N.M., Purvis, R.M., Lee, J.D., Atlas, E.L., Blake, D.R. and Rappengluck, B. (2007).
Statistical inference of OH concentrations and air mass dilution rates from successive observations of non-methane hydrocarbons in single air masses. J. Geophys. Res., 112, D10S40, doi:10.1029/2006JD007594.

Lewis, A.C., Evans, M.J., Methven, J., Watson, N., Lee, J.D., Hopkins, J.R., Purvis, R.M., Arnold, S.R., McQuaid, J.B., Whalley, L.K., Pilling, M.J., Heard, D.E., Monks, P.S., Parker, A.E., Reeves, C.E., Oram, D.E., Mills, G., Bandy, B.J., Stewart, D., Coe, H., Williams, P.I. and Crosier, J. (2007).
Chemical composition observed over the mid-Atlantic and the detection of pollution signatures far from source regions. J. Geophys. Res., 112, D10S39, doi:10.1029/2006JD007584.

Real, E., Law, K.S., Wienzierl, B., Fiebig, M., Petzold, A., Wild, O., Methven, J., Arnold, S., Stohl, A., Huntrieser, H., Roiger, A., Schlager, H., Stewart, D., Avery, M., Sachse, G., Browell, E.R., Ferrare, R. and Blake, D. (2007).
Processes influencing ozone levels in Alaskan forest fire plumes during long-range transport over the North Atlantic. J. Geophys. Res., 112, D10S41, doi:10.1029/2006JD007576.

Reeves, C.E., Slemr, J., Oram, D.E., Worton, D., Penkett, S.A., Stewart, D.J., Purvis, R., Watson, N., Hopkins, J., Lewis, A., Methven, J., Blake, D.R. and Atlas, E. (2007).
Alkyl nitrates in outflow from N. America over the N. Atlantic during ITOP 2004. J. Geophys. Res., 112, D10S37, doi:10.1029/2006JD007567.

Cau, P., Methven, J. and Hoskins, B.J. (2007).
Origins of dry air in the Tropics and Subtropics. J. Clim., 20, 2745-2759.

Methven, J., Arnold, S.R., Stohl, A., Evans, M.J., Avery, M., Law, K., Lewis, A.C., Monks, P.S., Parrish, D.D., Reeves, C., Schlager, H., Atlas, E., Blake, D.R., Coe, H., Crosier, J., Flocke, F.M., Holloway, J.S., Hopkins, J.R., McQuaid, J., Purvis, R., Rappengluck, B., Singh, H.B., Watson, N.M., Whalley, L.K. and Williams, P.I. (2006).
Establishing Lagrangian connections between observations within air masses crossing the Atlantic during the ICARTT experiment. J. Geophys. Res., 111, D23S62, doi:10.1029/2006JD007540.

Heard, D.E., Read, K.A., Methven, J. et al. (2006).
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX). Overview of the campaign held at Mace Head, Ireland, in summer 2002. Atmos. Chem. Phys., 6, 2241-2272.

Norton, E.G., Vaughan, G., Methven, J., Coe, H., Brooks, B., Gallagher, M. and Longley, I. (2006).
Boundary layer structure and decoupling from synoptic scale flow during NAMBLEX. Atmos. Chem. Phys., 6, 433-445.

Heifetz, E., Reuveni, Y., Gelfgat, A., Kit, E. and Methven, J. (2006).
The counter-propagating Rossby wave perspective on Kelvin-Helmholtz instability as a limiting case of a Rayleigh shear layer with zero width. Phys. Fluids, 18, 018101.

Methven, J., Heifetz, E., Hoskins, B.J. and Bishop, C.H. (2005).
The counter-propagating Rossby wave perspective on baroclinic instability. Part III: Primitive equation disturbances on the sphere. Q. J. R. Meteorol. Soc., 131, 1393-1424.

Methven, J., Hoskins, B.J., Heifetz, E. and Bishop, C.H. (2005).
The counter-propagating Rossby wave perspective on baroclinic instability. Part IV: Nonlinear life cycles. Q. J. R. Meteorol. Soc., 131, 1425-1440.

O'Connor, F.M., G.D. Carver, N.H. Savage, J.A. Pyle, J. Methven, S.R. Arnold, K. Dewey, and J.Kent. (2005).
Comparison and visualisation of high resolution transport modelling with aircraft measurements. Atmos. Sci. Lett., doi:10.1002/asl.111, 1530-261X.

Agusti-Panareda, A., Gray, S.L. and Methven, J. (2005).
Numerical modelling study of boundary-layer ventilation by a cold front over Europe. J. Geophys. Res., 110, D18304, doi:10.1029/2004JD005555.

Heifetz, E. and Methven, J. (2005).
Relating optimal growth to counter-propagating Rossby waves in shear instability. Phys. Fluids, 17, 064107.

Cau, P., Methven, J. and Hoskins, B.J. (2005).
Representation of dry tropical layers and their origins in ERA-40 data. J. Geophys. Res., 110, D06110, doi:10.1029/2004JD004928.

Penkett, S.A., Evans, M.J., Reeves, C.E., Law, K.S., Monks, P.S., Bauguitte, S.J.B., Pyle, J.A., Green, T.J., Bandy, B.J., Mills, G., Cardenas, L.M., Barjat, H., Kley, D., Schmitgen, S., Kent, J.M., Dewey, K. and Methven, J. (2004).
Long-range transport of ozone and related pollutants over the North Atlantic in spring and summer. Atmos. Chem. Phys. Discuss., 4, 4407-4454.

Black, E., Blackburn, M., Harrison, G., Hoskins, B.J. and Methven, J. (2004).
Factors contributing to the summer 2003 European heatwave. Weather, 59, 217-223.

Heifetz, E., Bishop, C.H., Hoskins, B.J. and Methven, J. (2004).
The counter-propagating Rossby wave perspective on baroclinic instability. Part I: Mathematical basis. Q. J. R. Meteorol. Soc., 130, 211-231.

Heifetz, E., Methven, J., Hoskins, B.J. and Bishop, C.H. (2004).
The counter-propagating Rossby wave perspective on baroclinic instability. Part II: Application to the Charney model. Q. J. R. Meteorol. Soc., 130, 233-258.

Methven, J. (2003).
The influence of PV inversion on polar-vortex dynamics and passive-tracer simulations in atmosphere-like regimes. Q. J. R. Meteorol. Soc., 129, 1191-1215.

Methven, J., Arnold, S.R., O'Connor, F.M., Barjat, H., Dewey, K., Kent, J. and Brough, N. (2003).
Estimating photochemically produced ozone throughout a domain using flight data and a Lagrangian model. J. Geophys. Res., 108(D9), 4271, doi:10.1029/2002JD002955.

Purvis, R., Lewis, A., Carney, R., McQuaid, J., Arnold, S., Methven, J., Barjat, H., Dewey, K., Kent, J., Monks, P., Carpenter, L., Brough, N., Penkett, S. and Reeves, C. (2003).
Rapid uplift of non-methane hydrocarbons in a cold front over Central Europe. J. Geophys. Res., 108(D7), 4224, doi:10.1029/2002JD002521.

Methven, J., Evans, M., Simmonds, P. and Spain, G. (2001).
Estimating relationships between air-mass origin and chemical composition. J. Geophys. Res., 106, 5005-5019.

Jackson, D. R., Methven, J. and Pope, V. (2001).
Transport in the low latitude tropopause zone diagnosed using particle trajectories. J. Atmos. Sci., 58, 173-192.

Cape, J. N., Methven, J. and Hudson, L. E. (2000).
The use of trajectory cluster analysis to interpret trace gas measurements at Mace Head, Ireland. Atmos. Environment, 34, 3651-3663.

Evans, M. J., Shallcross, D. E., Law, K. S., Wild, J. O. F., Simmonds, P. G., Spain, T. G., Berrisford, P., Methven, J., Lewis, A. C., McQuaid, J. B., Pilling, M. J., Bandy, B. J., Penkett, S. A. and Pyle, J. A. (2000).
Evaluation of a Lagrangian box model using field measurements from EASE 1996. Atmos. Environment, 34, 3843-3863.

Methven, J. and Hoskins, B. (1999).
The advection of high resolution tracers by low resolution winds. J. Atmos. Sci., 56, 3262-3285.

Methven, J., Berrisford, P. and Hoskins, B. J. (1999).
A Lagrangian climatology for the North Atlantic, Tech. Report 9 , 99pp., Hadley Centre, Meteorol. Off., Bracknell, U.K.

Shapiro, M. A., Wernli, H., Bao, J.-W., Methven, J., Zou, X., Doyle, J., Holt, T., Donall-Grell, E. and Neiman, P. (1999).
A planetary-scale to mesoscale perspective of the life cycles of extratropical cyclones: The bridge between theory and observations. In `The life cycles of extratropical cyclones', Eds. Shapiro, M. A. and Gronas, S., Am. Met. Soc., 139-185.

Methven, J. and Hoskins, B. J., (1998).
Spirals in potential vorticity. Part I: Measures of structure. J. Atmos. Sci., 55, 2053-2066

Methven, J. (1998).
Spirals in potential vorticity. Part II: Stability. J. Atmos. Sci., 55, 2067-2079

Methven, J. (1997).
Offline trajectories: Calculation and accuracy, Tech. Report 44, U.K. Univ. Global Atmos. Modelling Programme, Dept. of Meteorol., Univ. of Reading, Reading, U.K.

Methven, J. (1996).
Tracer behaviour in baroclinic waves. PhD. University of Reading.

Dr. John Methven,
Department of Meteorology,

University of Reading,
Earley Gate, PO Box 243,
Reading, RG6 6BB, UK.
Tel: +44 (0) 118 378 6015
Fax: +44 (0) 118 378 8905
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