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 32hr 03z,15z: 1hr to 120hr

Medium range

Covering the 0 to 16 day period.

Model Status Updates and range*
ECMP (ECMWF) 00z,12z: 0hr to 240hr
ECM (ECMWF) 00z 48hr 00z,12z: 0hr to 240hr
ECMWF HR Extra ECM charts. Approx 1 hour later than ECM 00z,12z: 0hr to 240hr
GEM (CMC) 00z 240hr 00z,12z: 0hr to 240hr
GFS (NCEP) 00z 384hr 00z,06z,12z,18z: 0hr to 384hr
GFSP (NCEP) 00z,06z,12z,18z: 0hr to 384hr
ICON EU (DWD) 00z 120hr 00z,06z,12z,18z: 0hr to 120hr
ICON GLOBAL (DWD) 00z 180hr 00z,12z: 0hr to 180hr
UK Met Global 00z 168hr 00z,12z: 0hr to 168hr
UK Met Global UK 00z 168hr 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, 300hr 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: 26/09/2023 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 custom 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 custom 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
Models at a glance Preview charts from a subset of the available models Through the day

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

Archive

Historic weather charts created using NCEP Reanalysis data. Available in 6 hour time steps.

Historic weather charts

Information

Status issued 06:09 27/09/2023

  • * 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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