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

Validation of sea ice concentration - European sector

Bulletin date: 2024-07-04

Data source: OSI SAF N.H. multi-product sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2024-06-28:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71052 12023 207 148 0 0 0 0
OW 24 1109 269 672 46 0 0 0
VODI 0 168 132 813 511 4 1 0
ODI 0 8 33 335 971 226 9 0
CDI 0 0 7 150 1214 6285 1720 0
VCDI 0 0 0 0 0 1094 1185 0
...date precedes bulletin

Date: 2024-06-30:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72092 10727 124 117 0 0 0 0
OW 8 1262 211 635 40 0 0 0
VODI 0 247 155 832 718 6 0 0
ODI 0 24 61 456 1046 167 4 0
CDI 0 0 8 255 1729 6575 690 0
VCDI 0 0 0 0 8 1423 796 0
...date precedes bulletin

Date: 2024-07-02:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 72934 10645 152 71 0 0 0 0
OW 3 1090 402 447 14 0 0 0
VODI 0 54 146 1486 348 1 0 0
ODI 0 0 4 356 2118 376 1 0
CDI 0 0 0 0 872 6772 170 0
VCDI 0 0 0 0 0 1820 134 0
...date precedes bulletin

Date: 2024-07-04:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74544 9373 127 63 0 0 0 0
OW 15 1136 322 446 20 0 0 0
VODI 0 156 176 1262 370 11 0 0
ODI 0 7 21 489 1754 315 1 0
CDI 0 0 0 28 1639 6344 96 0
VCDI 0 0 0 0 0 1631 70 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74524 9384 142 71 0 0 0 0
OW 35 1116 294 446 17 0 0 0
VODI 0 163 186 1235 375 12 0 0
ODI 0 9 24 485 1762 417 0 0
CDI 0 0 0 51 1629 6229 130 0
VCDI 0 0 0 0 0 1643 37 0

Date: 2024-07-06:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74985 9264 122 104 0 0 0 0
OW 42 1121 280 411 29 0 0 0
VODI 0 237 181 1129 397 16 0 0
ODI 0 21 49 493 1368 361 2 0
CDI 0 0 0 70 1169 6860 418 0
VCDI 0 0 0 0 0 1287 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74970 9252 128 95 0 0 0 0
OW 57 1104 274 405 21 0 0 0
VODI 0 250 174 1134 398 15 0 0
ODI 0 36 50 458 1389 486 0 0
CDI 0 1 6 115 1155 6644 419 0
VCDI 0 0 0 0 0 1379 1 0

Date: 2024-07-08:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75960 8855 90 18 0 0 0 0
OW 4 1076 504 404 1 0 0 0
VODI 0 22 68 1586 382 8 0 0
ODI 0 0 1 148 2229 186 0 0
CDI 0 0 0 0 628 7042 194 0
VCDI 0 0 0 0 0 262 748 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 75904 8332 112 46 0 0 0 0
OW 60 1100 241 538 46 0 0 0
VODI 0 359 217 988 535 25 0 0
ODI 0 157 71 384 1181 696 4 0
CDI 0 5 22 200 1478 5639 370 0
VCDI 0 0 0 0 0 1138 568 0

Date: 2024-07-10:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77271 7309 42 13 0 0 0 0
OW 21 1444 389 368 3 0 0 0
VODI 0 229 285 1568 310 2 0 0
ODI 0 1 4 413 1756 305 0 0
CDI 0 0 0 2 826 7499 124 0
VCDI 0 0 0 0 0 230 2 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77237 6934 74 46 0 0 0 0
OW 55 1263 241 489 68 0 0 0
VODI 0 557 299 1088 366 21 0 0
ODI 0 210 75 539 1133 479 0 0
CDI 0 19 31 202 1328 6412 126 0
VCDI 0 0 0 0 0 1124 0 0

Date: 2024-07-12:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77454 6999 24 23 0 0 0 0
OW 38 1849 268 428 10 0 0 0
VODI 0 426 288 1389 287 1 0 0
ODI 0 7 13 697 1805 197 0 0
CDI 0 0 0 8 1164 6900 81 0
VCDI 0 0 0 0 0 60 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 77447 6555 42 76 0 0 0 0
OW 45 1557 184 490 100 0 0 0
VODI 0 775 238 964 215 7 0 0
ODI 0 374 111 811 1146 260 0 0
CDI 0 20 18 204 1805 6025 81 0
VCDI 0 0 0 0 0 866 0 0


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