Description of algorithm
Full domain
  Ice concntr, edge pos
  Contingency tables
American sector
European sector
Asian sector

Validation of sea ice concentration - Full domain

Bulletin date: 2024-05-28

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2024-05-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20568 15449 143 887 200 20 13 0
OW 2 361 23 384 159 25 52 11
VODI 1 542 55 1027 897 494 347 24
ODI 1 441 60 1582 2142 1974 1146 334
CDI 0 162 30 813 2657 5220 5652 2380
VCDI 0 112 21 507 2178 8619 29971 26861

Date: 2024-05-30:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20750 15946 197 1467 346 27 54 3
OW 0 214 22 329 229 62 65 6
VODI 0 412 46 886 1012 491 332 34
ODI 0 377 59 1416 2243 1935 1280 248
CDI 0 211 33 983 2768 4931 5615 2078
VCDI 0 153 5 655 2871 9797 27124 26835

Date: 2024-06-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20990 15972 187 1824 449 97 92 0
OW 0 231 16 350 237 81 72 0
VODI 0 464 37 857 1039 483 264 15
ODI 0 414 40 1407 2537 1801 1333 200
CDI 0 330 29 1082 2944 4619 5592 1817
VCDI 0 193 15 636 3233 9249 29862 23457

Date: 2024-06-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21920 15504 183 1910 686 77 142 0
OW 0 279 14 336 278 80 52 0
VODI 0 516 26 805 1032 521 314 3
ODI 0 646 51 1264 2378 1836 1430 144
CDI 0 394 34 1167 3040 4388 5925 2247
VCDI 0 241 20 683 2980 6704 28596 25701


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