Table 1. Changes in ECMWF IFS. The ID number "generatingProcessIdentifier" can be extracted from the grib files used to force Lisflood (precip, temp)

generatingProcessIdentifier

Implementation date

First cycle

Summary of changes

ResolutionHresEns day 1-10Ens day 1-15Extended (16-46 days)
1522021-05-116 UTCCycle 47r2Vertical resolution of ENSO1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1512020-06-3012UTCCycle 47r1UnchangedO1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1502019-06-1112UTCCycle 46r1UnchangedO1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1492018-06-0512 UTCCycle 45r1UnchangedO1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1482017-07-1112 UTCCycle 43r3 UnchangedO1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1472016-11-2212 UTCCycle 43r1Ocean (Horizontal & vertical)O1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1462016-03-0812 UTC

Cycle 41r2

HRES/ENS/WAVE (Horizontal)

O1280 (9 km)O640 (18 km)same as legAO320 (36 km)
1452015-05-1212 UTCCycle 41r1UnchangedTL1279 (16 km)

T639 (32km)

T319 (64 km)T319 (64 km)
1442013-11-1912 UTCCycle 40r1ENS (Vertical)TL1279 (16 km)

T639 (32km)

T319 (64 km)
1432013-06-2612 UTCCycle 38r2HRES (Vertical)TL1279 (16 km)

T639 (32km)

T319 (64 km)
1422012-06-1912 UTCCycle 38r1UnchangedTL1279 (16 km)

T639 (32km)

T319 (64 km)
1412011-11-1512 UTCCycle 37r3UnchangedTL1279 (16 km)

T639 (32km)

T319 (64 km)