In the last two weeks of April 1997 JCMM carried out an internal workshop to produce an overview of the various FASTEX Intensive Observation Periods (IOPs). The resulting information in these pages is in two forms; firstly overview tables to enable the characteristics of a number of IOPs to be quickly compared and secondly more detailed information about each IOP. The information consists of subjective comments about each IOP as well as animations and other information relating to the meteorological situations and the available observations. It is hoped that these pages will be helpful to anyone who is considering which FASTEX IOP they should study for a particular purpose.
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IOP2 Phenomenon investigation of warm sector wave on a meridional flow
IOP3 Interaction of a trough drifting southwards and a wave on a cold front
IOP4 A cold-air comma cloud system moving slowly into the SW part of the MSA
IOP5 Two cyclones developed on a trailing cold front, the second developed preferentialy
IOP6 Intense north-south front without waves in the MSA
IOP7 Flat Frontal Wave translating rapidly NE through Western Half of MSA
IOP8 Downslope wave phenomenon to the lee of Greenland (Non FASTEX case)
IOP9 Large, well developed cyclone. Second deepening phase near Iceland.
IOP10 Weak frontal wave with strong convection and no closed circulation.
IOP11 Primary cyclone formed over E America and deepened while crossing the Atlantic
IOP11A Developing cold frontal wave - classic example of a FASTEX cyclone
IOP12 Investigation of Explosive Cyclogenesis.
IOP13 Decaying mature wave heading towards Northern Britain
IOP14 Slowly weakening, enlongated low
IOP15 Excellent 3-arc systematic survey of mature cyclone occlusion in the MSA
IOP16 Fast moving, rapidly deepening, secondary wave cyclone
IOP17 The "FASTEX CYCLONE": explosively deepening col wave.
IOP18 Good life-cycle coverage of explosive cyclonic development
IOP19 Very weak open wave on the trailing cold front of a primary cyclone
Last Updated: 3/11/97
Humphrey W Lean | | email@example.com