Observations

Station

Reading University Observations
Graphs of Current Weather
Graphs of Year to Date
Query statistics of extreme events
Met Office: UK Observations Map
Meteologix.com
Wyoming Radiosonde Plotter - TEMP Wyoming Radiosonde Plotter - BUFR

Remote Sensing

Chilbolton Observatory (radar and lidar plots)
EUMETNET E-PROFILE (Lidar & Wind Profilers)
Live Lightning Map
radareu.cz (Europe radar)
Sat24.com (Europe radar)
RainToday.co.uk (UK radar)
NetWeather.tv (UK radar incl. precip type)

Satellite

EUMETSAT
Latest Imagery
Case Studies
MSG0 Quickview
EUMeTrain Plotter
Dundee Satellite Receiving Station
Sat24.com (Europe visible)
College of DuPage (GOES16 experimental)
SLIDER (RAMMB/CIRA)
Metcheck.com: Daily UK Weather Discussion

Analyses and Forecasts

WXCharts.com
EC HRES NW_Eur
ICON-EU NW_Eur
AROME (Eng & Wal)
Met Office
Surface Pressure (latest plus fcst)
Surface Pressure (Wetter3 archive)
UK Forecast Map
UK Weather warnings
UK Storm Centre
Reading Forecast
ECMWF Charts
ECMWF Extra-tropical Cyclone Database products
ECMWF Severe Event Catalogue
Meteologix Multi-Model Charts
EarthWindMap (GFS)
Windy.com (ECMWF and GFS)
MagicSeaweed.com (GFS)
WindGuru.cz (GFS)
WxCharts.eu (numerous)
COLA Analysis plots (GFS)
Northern Hemisphere
Southern Hemisphere
COLA Forecast plots (GFS)
Northern Hemisphere
Southern Hemisphere

Met Dept Global Analyses Plots (ECMWF)
Heather Archambault Dynamical Diagnostics Plots (GFS analysis archive)
Alicia Bentley Dynamical Diagnostics Plots (GFS last 2 weeks plus fcst) (archive)
Andreas Dornbrack Stratospheric PV Plots (ECMWF analyses)
Zac Lawrence Stratospheric PV Plots (GFS forecasts)
Tomer Burg Model Guidance Webpages
Mio Matseuda TIGGE Museum
Steven Cavallo Real-time GFS plots
Tropopause V-wind Hovmuller (30-60N)

Climate

KNMI Climate Explorer
ClimateReanalyzer.com
Monthly reanalysis plots
Monthly timeseries
NOAA PSL Web-based Reanalyses Intercomparison Tools
NOAA PSL Climate Plotting and Analysis Tools
CRU Seasonal NAO visualisations