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

Validation of sea ice concentration - European sector

Bulletin date: 2024-01-18

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

Model vs. observations, sea ice class contingency tables

Date: 2024-01-12:

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 60971 12772 113 92 22 9 0 0
OW 815 1434 159 201 67 13 5 0
VODI 1850 629 197 391 271 46 21 0
ODI 1738 213 94 223 384 356 23 0
CDI 0 112 78 255 492 1279 731 0
VCDI 0 4 10 100 287 2096 11764 2545
...date precedes bulletin

Date: 2024-01-14:

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 60110 12627 368 73 29 3 0 0
OW 801 1761 170 156 78 38 4 0
VODI 1844 776 270 472 152 69 30 0
ODI 1748 183 107 431 334 104 35 0
CDI 0 147 71 257 685 1044 335 0
VCDI 0 19 26 151 467 3484 11097 2306
...date precedes bulletin

Date: 2024-01-16:

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 60247 12885 128 73 22 5 0 0
OW 805 2026 309 235 70 34 2 0
VODI 1848 385 282 611 239 63 3 0
ODI 1740 75 48 333 389 143 8 0
CDI 0 64 32 312 644 1089 197 0
VCDI 0 60 20 106 385 3332 10245 3368
...date precedes bulletin

Date: 2024-01-18:

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 60935 12114 63 51 18 0 0 0
OW 803 2075 177 164 47 23 0 0
VODI 1835 786 257 369 136 24 4 0
ODI 1757 216 143 299 263 92 7 0
CDI 0 93 66 391 608 763 369 0
VCDI 0 67 44 195 497 3189 9920 4002
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 60935 12123 68 55 25 2 0 0
OW 803 2076 169 176 48 25 0 0
VODI 1836 774 263 354 135 26 4 0
ODI 1756 218 142 319 252 99 7 0
CDI 0 94 64 376 658 817 364 0
VCDI 0 66 44 189 451 3122 9925 4002

Date: 2024-01-20:

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 59448 13649 123 101 17 1 0 0
OW 829 1740 174 170 63 18 0 0
VODI 1831 699 181 366 127 46 5 0
ODI 1768 224 128 285 245 113 47 0
CDI 0 191 93 317 457 927 598 18
VCDI 0 3 15 129 484 2594 10420 4218
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59445 13655 137 110 24 3 0 0
OW 831 1740 175 171 63 25 0 0
VODI 1832 676 176 366 137 39 5 0
ODI 1768 239 114 276 257 97 60 0
CDI 0 193 104 342 444 946 608 40
VCDI 0 3 8 103 468 2589 10397 4196

Date: 2024-01-22:

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 59729 13460 107 79 39 10 2 0
OW 802 1601 245 233 62 18 1 0
VODI 1824 377 218 598 291 52 4 0
ODI 1774 108 79 293 365 186 14 0
CDI 0 90 54 275 540 1245 474 0
VCDI 0 11 5 49 272 2053 10207 5016
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59742 13049 140 120 54 9 0 0
OW 785 1436 205 250 83 35 4 0
VODI 1817 554 163 434 240 79 6 0
ODI 1785 254 66 265 303 168 52 0
CDI 0 234 107 352 528 1033 783 35
VCDI 0 120 27 106 361 2240 9857 4981

Date: 2024-01-24:

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 58155 14245 351 99 41 16 0 0
OW 745 1602 187 167 76 17 0 0
VODI 1809 573 237 463 329 64 6 0
ODI 1794 189 108 378 454 159 15 0
CDI 0 141 50 244 676 1177 524 0
VCDI 0 132 48 123 426 2534 10332 4176
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58163 13647 381 134 54 11 0 0
OW 734 1583 134 169 113 36 0 0
VODI 1800 785 201 338 284 84 9 0
ODI 1806 393 101 304 382 167 31 0
CDI 0 283 123 411 805 1121 645 18
VCDI 0 191 41 118 364 2548 10192 4158

Date: 2024-01-26:

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 60022 12270 74 64 32 1 0 0
OW 734 1476 166 206 99 12 1 0
VODI 1799 772 218 475 291 83 12 0
ODI 1807 323 114 311 478 219 21 0
CDI 0 270 85 298 684 1287 308 70
VCDI 0 272 79 253 441 3286 9748 3701
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 60015 11878 108 114 40 0 0 0
OW 741 1336 212 276 128 18 2 0
VODI 1792 813 117 372 301 112 15 0
ODI 1814 527 94 224 391 214 33 0
CDI 0 562 135 374 645 1089 541 138
VCDI 0 267 70 247 520 3455 9499 3633


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