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: 2018-09-20

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

Model vs. observations, sea ice class contingency tables

Date: 2018-09-14:

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 127815 17683 123 462 66 0 0 0
OW 0 1465 156 936 227 22 0 0
VODI 0 530 92 2077 736 147 0 0
ODI 0 47 27 649 2544 1266 5 0
CDI 0 39 5 74 2266 9562 263 0
VCDI 0 0 0 0 117 10055 7273 319
...date precedes bulletin

Date: 2018-09-16:

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 129005 16197 94 338 60 2 0 0
OW 3 2186 150 771 192 20 0 0
VODI 0 585 121 1986 717 164 0 0
ODI 0 61 28 596 2127 1195 26 0
CDI 0 34 6 71 1113 9050 759 0
VCDI 0 0 0 8 105 10881 6720 1677
...date precedes bulletin

Date: 2018-09-18:

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 129884 17140 157 467 118 1 0 0
OW 38 843 147 771 209 7 0 0
VODI 0 198 70 1936 636 60 0 0
ODI 0 1 3 402 1974 342 0 0
CDI 0 0 0 47 1284 9984 470 0
VCDI 0 0 0 6 113 7193 9574 2973
...date precedes bulletin

Date: 2018-09-20:

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 130258 16477 125 377 62 5 0 0
OW 85 1266 149 752 193 10 0 0
VODI 0 293 97 1698 683 74 0 0
ODI 0 9 8 506 1549 268 6 0
CDI 0 0 0 102 1575 7586 340 0
VCDI 0 0 0 6 99 8553 10042 3795
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 130311 16621 140 482 56 10 0 0
OW 32 1098 143 732 211 13 0 0
VODI 0 314 86 1559 714 73 1 0
ODI 0 12 10 555 1357 301 4 0
CDI 0 0 0 111 1690 6656 306 0
VCDI 0 0 0 2 133 9443 10077 3795

Date: 2018-09-22:

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 129642 16608 122 280 36 0 0 0
OW 75 1553 155 853 132 6 0 0
VODI 0 377 95 1642 716 37 0 0
ODI 0 24 16 427 1376 308 0 0
CDI 0 0 0 140 1406 6478 270 1
VCDI 0 0 0 6 127 8780 10085 5275
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 129696 16709 125 431 47 4 0 0
OW 21 1399 145 708 142 5 0 0
VODI 0 419 97 1564 686 37 0 0
ODI 0 35 21 463 1222 330 0 0
CDI 0 0 0 178 1469 5389 220 2
VCDI 0 0 0 4 227 9844 10135 5274

Date: 2018-09-24:

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 128504 17413 107 288 25 0 0 0
OW 0 1394 159 605 85 0 0 0
VODI 0 274 102 2171 544 11 0 0
ODI 0 11 7 250 2103 98 0 0
CDI 0 0 0 36 847 5754 298 3
VCDI 0 0 0 7 100 9942 11468 4442
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 128497 17134 132 513 98 2 0 0
OW 7 1321 125 680 205 27 0 0
VODI 0 512 85 1569 736 103 0 0
ODI 0 93 19 344 1154 343 1 0
CDI 0 27 12 193 1002 3311 739 15
VCDI 0 5 2 58 509 12019 11026 4430

Date: 2018-09-26:

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 128683 16485 118 507 63 0 0 0
OW 0 1326 140 843 267 0 0 0
VODI 0 277 93 1795 998 12 0 0
ODI 0 19 11 294 1656 183 0 0
CDI 0 0 0 56 1412 2803 84 0
VCDI 0 0 0 1 167 15024 11305 2426
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 128640 16235 148 749 135 0 0 0
OW 43 1172 89 836 375 11 0 0
VODI 0 452 82 1382 1086 78 0 0
ODI 0 144 15 272 1258 369 0 0
CDI 0 94 18 138 1192 2342 193 2
VCDI 0 10 10 119 517 15222 11196 2424

Date: 2018-09-28:

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 128826 15378 118 617 158 0 0 0
OW 0 1810 84 660 590 6 0 0
VODI 0 542 111 1203 1329 255 0 0
ODI 0 71 23 337 1139 416 10 0
CDI 0 8 4 111 1094 2572 180 0
VCDI 0 0 0 12 262 16930 9505 2687
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 128779 15103 157 880 399 7 0 0
OW 47 1494 64 504 577 16 0 0
VODI 0 725 54 942 1198 357 0 0
ODI 0 265 24 282 917 505 57 0
CDI 0 188 29 220 884 1274 181 0
VCDI 0 34 12 112 597 18020 9457 2687


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