Model inventory

Data and charts from a wide range of leading Numerical Weather Prediction (NWP) computer models is available. NWP takes current atmospheric and ocean data and uses mathematical models to produce weather predictions.

Short range

Covering the 0 to 5 day period.

Model	Status	Updates and range*
Arome (MF)		00z: 7hr to 22hr
Arpege (MF)	00z 102hr	00z,12z: 1hr to 102hr, 06z: 1hr to 72hr, 18z: 1hr to 60hr
UK Met UKV		03z,15z: 1hr to 120hr
UK Met UKV Regional		03z,15z: 1hr to 120hr
UK Met UKV Zoom		03z,15z: 1hr to 120hr
UK Met UKV Custom		03z,15z: 1hr to 120hr
ICON-D2		00z,06z,12z,18z: 1hr to 48hr

Medium range

Covering the 0 to 16 day period.

Model	Status	Updates and range*
ECMP (ECMWF)		00z,12z: 0hr to 240hr
ECM (ECMWF)		00z,12z: 0hr to 240hr
ECMWF HR	Extra ECM charts. Approx 1 hour later than ECM	00z,12z: 0hr to 360hr
ECMWF AIFS	ECM Artificial Intelligence Forecast System charts	00z,12z: 0hr to 360hr
GEM (CMC)	00z 93hr	00z,12z: 0hr to 240hr
GFS (NCEP)	00z 162hr	00z,06z,12z,18z: 0hr to 384hr
GFS hourly		00z,06z,12z,18z: 0hr to 120hr
GFSP (NCEP)		00z,06z,12z,18z: 0hr to 384hr
ICON EU (DWD)		00z,06z,12z,18z: 0hr to 120hr
ICON GLOBAL (DWD)		00z,12z: 0hr to 180hr
UK Met Global		00z,12z: 0hr to 168hr
UK Met Global UK		00z,12z: 0hr to 168hr
FAX (UKM)		Updated through the day

Ensembles

Covering the 0 to 35 day period. These are used to identify trends and probabilities at longer ranges.

Model	Status	Updates and range*
UK Met MOGREPS-G		00z, 06z, 12z, 18z: 0hr to 192hr
ECM ENS (ECMWF)		00z,12z: 0hr to 240hr
ECMWF HR ENS	Full 50 member ensemble charts	00z, 12z, 0hr to 360hr
GEFS (NCEP)	00z, 078hr	00z 0hr to 840hr. 06z,12z,18z: 0hr to 384hr
GEFS 35 day charts	Same as GEFS	Same as GEFS
GEFS 35 anomalies	Same as GEFS (35 day charts)	Same as GEFS

Seasonal

Covering the 0 to 8 month period. Global seasonal models currently have a low skill level for the UK.

Model	Status	Updates and range*
CFS (NCEP)	00z, 06z, 12z, 18z Updated: 26/04/2025	00z,06z,12z,18z: 1 to 8 months

Multi model viewer

Many charts can be accessed using the original Chart viewer. However, due to the increasing number of models offered it is no longer feasible to make them all available.

Chart viewer

Other charts and data

Name	Status	Updates and range
ECM ENS data tables	Same as ECM ENS	Same as ECM ENS
GEFS custom graphs	Same as GEFS	Same as GEFS
MOGREPS-G custom graphs	Same as MOGREPS-G	Same as MOGREPS-G
GEFS data tables	Same as GEFS	Same as GEFS
MOGREPS-G custom data tables	Same as MOGREPS-G	Same as MOGREPS-G
GEFS postage stamps	Same as GEFS	Same as GEFS
MOGREPS postage stamps	Same as MOGREPS	Same as MOGREPS
GEFS probability forecasts	Same as GEFS	Same as GEFS
GEFS snow row	Same as GEFS	Same as GEFS
850hPa temp tracker	Same as GEFS	Same as GEFS
MSLP tracker	Same as GEFS	Same as GEFS
Temperature tracker	Same as GEFS	Same as GEFS
Models at a glance	Preview charts from a subset of the available models	Through the day

Central England Temperature (CET)

Find anomalies and extremes in the CET series which goes back to 1659

CET analyser

Analogue Index

Compare the Northern Hemisphere profile for the current date to the same date in all years going back to 1948. Updates daily.

Weather analogues

Information

Ad free access and extra features login is required

* Updates and forecast range available on TWO. Times are initialisation only with charts appearing several hours later
Green means update in progress

Data providers

MF: Météo-France
NCEP: National Centers for Environmental Prediction
ECMWF: European Centre for Medium-Range Weather Forecasts
CMC: Canadian Meteorological Centre
KNMI: Royal Netherlands Meteorological Institute
DWD : Deutscher Wetterdienst
UKM : UK Met Office
UKV : UK Met Office

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