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

Validation of sea ice concentration - Full domain

Bulletin date: 2023-03-02

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

Model vs. observations, sea ice class contingency tables

Date: 2023-02-24:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2023-02-26:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2023-02-28:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2023-03-02:

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 69694 14527 139 615 126 21 1 0
OW 73 445 90 469 205 7 1 0
VODI 0 331 37 511 462 30 1 0
ODI 0 167 7 305 621 100 1 0
CDI 0 121 8 205 1223 826 64 37
VCDI 0 178 31 300 1929 6599 24412 62129
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69706 14523 139 623 140 22 1 0
OW 61 451 87 433 177 9 1 0
VODI 0 306 39 536 457 35 1 0
ODI 0 163 9 279 600 103 1 0
CDI 0 131 6 225 1163 757 65 47
VCDI 0 195 32 309 2029 6657 24411 62119

Date: 2023-03-04:

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 69642 14629 127 517 119 10 0 0
OW 93 435 80 408 206 6 0 0
VODI 12 183 40 555 405 39 0 0
ODI 0 86 9 339 524 192 0 0
CDI 0 170 4 156 1000 956 95 1
VCDI 0 124 37 276 1452 6844 21188 66089
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69646 14653 129 541 156 10 0 0
OW 84 422 79 372 179 5 0 0
VODI 17 169 39 562 383 47 0 0
ODI 0 93 9 331 521 189 0 0
CDI 0 163 3 150 948 827 84 1
VCDI 0 127 38 295 1519 6969 21199 66089

Date: 2023-03-06:

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 68808 15271 119 505 113 27 4 0
OW 52 724 72 392 106 4 3 0
VODI 0 253 75 566 356 32 7 0
ODI 0 109 18 309 725 116 18 0
CDI 0 74 22 184 1019 1293 216 4
VCDI 0 29 11 139 1058 5637 21874 66704
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68808 15451 143 581 194 38 5 0
OW 52 524 64 326 154 49 4 0
VODI 0 289 76 463 327 106 21 0
ODI 0 78 12 321 479 142 26 0
CDI 0 52 3 169 741 901 142 14
VCDI 0 66 19 235 1482 5873 21924 66694

Date: 2023-03-08:

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 69004 15145 143 582 106 26 1 0
OW 52 528 70 467 149 7 0 0
VODI 0 259 46 444 433 15 1 0
ODI 0 118 22 266 555 63 8 0
CDI 0 42 18 212 831 722 53 68
VCDI 0 65 15 232 1253 7483 23408 64136
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69004 15221 155 664 217 44 1 0
OW 52 485 56 465 195 18 34 0
VODI 0 239 51 414 487 127 40 0
ODI 0 73 18 241 489 184 51 0
CDI 0 50 17 153 644 547 137 55
VCDI 0 89 17 266 1295 7396 23208 64149

Date: 2023-03-10:

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 69840 14564 119 419 126 27 0 0
OW 53 648 71 446 90 4 0 0
VODI 0 383 52 464 308 17 0 0
ODI 0 175 21 268 433 66 0 0
CDI 0 131 21 271 713 406 69 50
VCDI 0 231 29 354 1929 7631 20243 66376
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69836 14472 131 553 197 28 0 0
OW 57 764 64 386 223 24 0 0
VODI 0 360 50 451 360 75 0 50
ODI 0 142 21 263 373 86 11 57
CDI 0 101 16 201 527 266 109 169
VCDI 0 293 31 368 1919 7672 20192 66150


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