GEFS data tables

Select Run, Variable, Location and press Show table. Model inventory

Run

  • 00z
  • 06z
  • 12z
  • 18z

Variable

  • 850hPa C
  • 2m max temp C
  • 2m min temp C
  • MSLP
  • Precipitation
  • Snow

Location

  • London
  • Birmingham
  • Belfast
  • Cardiff
  • Edinburgh
  • Newcastle
  • Aberdeen
  • Berkhamsted
  • Brighton
  • Cairngorms
  • Carlisle
  • Glasgow
  • Inverness
  • Liverpool
  • Manchester
  • Norwich
  • Nottingham
  • Peterborough
  • Plymouth
  • Reading
  • Snowdonia
  • York
  • Dublin ROI
  • Cork ROI
  • Galway ROI

London Start: Mon 20 JUL 2026

Mean Surface Level Pressure Run: 18z

Clusters

Percentage of runs which fall into each cluster.

Summarise by hour:
Tue 21,18
100%
Wed 22,0
100%
Wed 22,6
100%
Wed 22,12
100%
Wed 22,18
100%
Thu 23,0
10%
90%
Thu 23,6
16%
84%
Thu 23,12
81%
19%
Thu 23,18
42%
58%
Fri 24,0
61%
39%
Fri 24,6
81%
19%
Fri 24,12
100%
Fri 24,18
100%
Sat 25,0
100%
Sat 25,6
100%
Sat 25,12
13%
87%
Sat 25,18
19%
81%
Sun 26,0
52%
48%
Sun 26,6
81%
19%
Sun 26,12
94%
6%
Sun 26,18
97%
3%
Mon 27,0
90%
10%
Mon 27,6
84%
16%
Mon 27,12
77%
23%
Mon 27,18
48%
52%
Tue 28,0
29%
71%
Tue 28,6
23%
77%
Tue 28,12
19%
81%
Tue 28,18
16%
84%
Wed 29,0
16%
84%
Wed 29,6
13%
87%
Wed 29,12
16%
84%
Wed 29,18
16%
77%
6%
Thu 30,0
13%
81%
6%
Thu 30,6
10%
84%
6%
Thu 30,12
97%
3%
Thu 30,18
94%
6%
Fri 31,0
3%
90%
6%
Fri 31,6
6%
94%
Fri 31,12
10%
90%
Fri 31,18
13%
87%
Sat 01,0
13%
87%
Sat 01,6
16%
84%
Sat 01,12
23%
77%
Sat 01,18
26%
74%
Sun 02,0
3%
19%
77%
Sun 02,6
3%
23%
74%
Sun 02,12
3%
29%
68%
Sun 02,18
3%
29%
68%
Mon 03,0
3%
26%
71%
Mon 03,6
3%
26%
71%
Mon 03,12
3%
19%
77%
Mon 03,18
3%
16%
81%
Tue 04,0
3%
16%
77%
3%
Tue 04,6
16%
81%
3%
Tue 04,12
13%
84%
3%
Tue 04,18
6%
90%
3%
Wed 05,0
6%
87%
6%
Wed 05,6
6%
87%
6%
Wed 05,12
13%
81%
6%
Wed 05,18
10%
81%
10%
Thu 06,0
10%
81%
10%
Thu 06,6
16%
77%
6%
Thu 06,12
19%
81%

Threshold exceedance

Percentage of ensemble members meeting your threshold at each timestep. Computed from the data table below - change the threshold and press Apply.

Key

MSLP mB

<981mB 981 to 995mB 996mB to 1010mB 1011mB to 1025mB 1026mB to 1040mB >1040mB
Run / DT21,1822,022,622,1222,1823,023,623,1223,1824,024,624,1224,1825,025,625,1225,1826,026,626,1226,1827,027,627,1227,1828,028,628,1228,1829,029,629,1229,1830,030,630,1230,1831,031,631,1231,1801,001,601,1201,1802,002,602,1202,1803,003,603,1203,1804,004,604,1204,1805,005,605,1205,1806,006,606,12
301028102810291027102710261026102610281027102610241023102110181014101210101008100510041002100210041009101210151015101610161018101710171016101310111012101510181019101910181017101310121010100710041004100210031002100510071009101010141015101610161017101710181017
291028102910291027102810271027102610271026102510231022102110201016101610141012101010101008100610021004100510081012101710191020102010211020101910171016101510141013101410151016101610191021102210221022102110201019102010211021101910191017101610151017101910211022
281028102910281026102710251025102310241024102410221021101910161012101110101008100610061005100310021004100510081008100910111014101810221025102710271027102710251023102210211021102110231024102310211022102210201018101910191019101610161014101210091008100510041003
271028102910291028102910281027102510251024102410221021102010171014101310111011100910101011101210111012101310151014101610171016101510181022102310241026102610241021102110201018101610151014101210091009100710061006100710081011101210151015101610161019102010211022
261028102810281026102710261025102410261025102410221021101910161012101210111010100910081007100710071011101210141014101610171018101910221023102310211021102110181016101610151015101310141013101310111013101410151012101110081008101010131015101710181019101910181016
251027102810281027102710271026102410251024102410221021101910151010100910081007100510051006100810091012101210131012101010071006100510061009101210131016101710181018102010211021102010221021102010181018101910191017101810181019101810191019101810171017101610151015
2410271028102810261027102510251023102410231023102110201019101510101009100710081008100910101009100910121014101610161019102010201019102010201020101810181018101910201020101710141008100499899599199098698598899299599799910031005100610091013101610181019
231028102910291028102810271027102610261025102510221022102010181015101410131013101210131014101510151017101910191019102110231023102410261026102610241024102210191015101410131012101110121013101510151016101610171017101910221023102310241023102210171016101510181019
221028102810291028102810271027102410251024102310211021101910161012101210111011100910071007100910091013101610171017101810181015101010101014101910221023102210201018101710171017101710191019101810171018101810181017101810181019101810181017101610141014101410161017
211028102910281026102710261026102510251024102310201020102010181015101310111008100810081009101010111013101410141012101110071006100510051007100810111014101710171016101610161016101610161015101710181020102010181016101610161015101310141013101410141016101910221022
201028102910291027102810271027102710281027102610231022102010171013101210121011100910091010101010101014101610171015101610151014101210131015101510141015101510161016101810191018101710171016101410131013101110101009101110131015101410151015101510141016101710171016
191028102810291027102710261026102410251024102310211020101810141010100810071006100610071008100810071009101110131013101410151015101310121014101510161015101410121009101010111012101310141014101510161017101510141012101110111013101410151016101810181020102010191017
181028102910301028102910271027102510251024102410211021102010171012101110101007100510061005100610051008100910091007100610071010101410201023102310211020101810171016101610161016101410151015101510151018101910221023102510261026102410251026102710261027102710271024
171027102810281027102710261026102510261026102510231023102210201016101410111008100610061006100710071009101110131015101710181019101910201021102110191019101810181017101710171016101410141012100810071011101510171017101810201021102010211020102010181019101810181018
161027102810281027102710261026102510261025102410221022102010171014101310121010100810081008100810061008100910091009101010101011101210151017101810181017101610161014101310121014101610181016101410111009100710061005100810111013101310161018101710161017101710171016
151027102810281026102710261026102410251025102410211020101710151010100910081007100610061007100810111014101710181017102010201019101710171015101510131011100810031001100410081008100810091011101210121014101410141013101310121012101210121013101410141016101810181018
141028102810291027102710261025102310231023102210201020101810161013101110081006100410031003100210011001100210041007101110131015101510171017101710171014101110091007100610051004100410061007100710061008101010101009101010091008100710091007100510031003100210031005
131027102810281027102810261026102510261026102510231022101910161013101110091008100710051005100610071010101210141014101610191020102210241025102510231024102310221020102010191017101410141014101510141015101610161014101510161016101510171017101810171019101810181018
121028102910291028102910281027102510271027102610231022102010171014101310111009100610071007100910091013101310151016101810201022102210231024102310221024102410231020102110191017101310131012101310131016101710191019102210231024102210231021101810161016101510161016
11102710281028102710281027102610251026102610261023102210201018101410121009100710041003100110011001100410091014101610201023102410251027102710251022102110181016101310111006100399999699499710031008101110151017101910201020101810191018101710151014101510161014
101027102810291027102810271026102410251025102410221022102110191015101310111008100510051006100810101013101610171018102010201020101910211021102210221024102410221017101610131010100710091013101510141017101810191019102010231025102610271029102910271028102710251021
91027102810291028102910281027102510251025102410211021101910161011101010081006100610091011101210121015101710181018102010211020101810181019102010211023102510241021102110201019101710171017101510141015101510151015101510161017101710191020102010181018101610121009
81027102810281027102810271027102510271026102510241024102210191015101410111010100910091008100810061007100810111011101110131015101610161015101610151014101310131013101510161016101510151014101210091007100810101012101510171020102110211021102110191017101210081005
71028102810291027102810271026102510271027102610241023102110181015101310121009100610081008101010091011101210131013101510171019102110241025102510241025102410221019102010181016101410151014101410141015101610161014101510141013101110131014101410131013101310101007
61028102810291027102710251025102410241024102310211021101910161012101010071003999999998100010001003100510081010101210121012100910081007100910131017102010221022102410241023102210231023102210211022102210231022102210211020101710171016101610161015101410131011
51027102810281027102810271027102610261025102510231022102010181015101410121010100810091010101010091012101310151016101710181019101910201020102010191019101710161014101410141012100810039999989981002100410041005100710081010101210151015101710161018101910201020
41028102810281026102810261027102610281027102610231022102110181015101210101008100610071006100710031001100210041005100710061006100610051005100810111013101510161014101010071006100410081011101310121012101010111012101510181019101710161011101210141018101710141013
31027102810291027102710261026102510261026102510231022102010161013101210101007100610031002100610071009101110111011101310141015101510171019102010181017101310131014101510151014101210111009100610041005100710101013101410161018101810201020101910181018101710181018
21027102810281027102810261026102510271026102510221022102010171013101210101008100810091010101110131015101610161014101610181020101910201020101910161015101410131014101710171015101210101006100710081010101110121012101310121012101310161018101910191020101910191018
11028102910291027102810271027102510261025102510241024102310211018101710151013101110101010101210141017102010231023102510241023102010201019102010201021102110211019102010201020101810191018101710151017101610171015101610161016101810201023102410251026102610271025
01028102810291027102710261026102510261025102510221022102010171013101210101009100710061004100510071010101310161017102010191019101910211022102210221024102410241022102310221020101810191018101810161017101710161014101610151015101310141012101210101010100910101010

Notes

DT is day of the month and the time in GMT

Information

GEFS is run by National Centre for Environmental Prediction (NCEP)

Updates

4 times per day 07:15 GMT, 13:15 GMT, 19:15 GMT, 01:15 GMT

Ensemble model with 30 pertubations plus the control run