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: 2019-03-14

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

Model vs. observations, sea ice class contingency tables

Date: 2019-03-08:

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 69010 14596 213 829 410 106 23 0
OW 52 455 52 459 281 82 35 0
VODI 0 140 43 391 694 198 57 0
ODI 0 33 5 196 757 397 58 0
CDI 0 15 4 107 841 1089 218 52
VCDI 0 79 9 138 1136 4998 16456 72334
...date precedes bulletin

Date: 2019-03-10:

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 68519 14616 193 873 566 211 22 0
OW 52 410 51 381 335 150 34 0
VODI 0 135 39 431 526 264 86 0
ODI 0 27 10 182 676 406 97 0
CDI 0 27 1 94 843 938 296 50
VCDI 0 35 11 109 927 4242 18091 72092
...date precedes bulletin

Date: 2019-03-12:

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 67609 15291 201 804 664 163 25 0
OW 52 314 68 459 311 137 36 0
VODI 0 109 31 484 631 235 67 0
ODI 0 28 14 165 761 351 98 0
CDI 0 5 2 99 781 1020 430 129
VCDI 0 0 0 34 517 3884 19078 71961
...date precedes bulletin

Date: 2019-03-14:

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 67634 15125 200 916 633 162 35 0
OW 52 374 45 435 361 148 40 0
VODI 0 171 40 354 632 277 74 0
ODI 0 54 14 205 665 420 114 0
CDI 0 14 9 94 643 927 460 30
VCDI 0 0 0 25 394 2994 16619 75659
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67633 15123 202 940 647 164 37 0
OW 53 372 42 389 342 158 39 0
VODI 0 177 41 374 615 270 67 0
ODI 0 51 16 215 633 409 118 0
CDI 0 15 7 85 684 919 452 32
VCDI 0 0 0 26 407 3008 16629 75657

Date: 2019-03-16:

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 67862 15079 184 830 604 190 22 0
OW 52 489 44 414 353 131 38 0
VODI 0 269 45 498 562 210 66 0
ODI 0 95 22 350 648 367 94 0
CDI 0 23 14 163 642 807 245 55
VCDI 0 1 5 57 615 3562 21729 69612
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67862 15071 181 835 615 193 24 0
OW 52 442 54 382 323 141 31 0
VODI 0 306 30 464 557 209 67 0
ODI 0 105 29 334 634 347 114 0
CDI 0 31 17 246 656 824 240 66
VCDI 0 1 3 51 639 3553 21718 69601

Date: 2019-03-18:

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 68197 15052 154 836 471 106 18 0
OW 52 956 91 484 346 75 18 0
VODI 0 453 65 611 659 160 22 0
ODI 0 60 11 220 775 309 44 0
CDI 0 0 0 47 662 1043 181 26
VCDI 0 0 0 13 596 4655 24047 65533
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68197 15064 165 914 621 188 27 0
OW 52 668 65 352 309 141 19 0
VODI 0 420 54 524 580 241 39 0
ODI 0 205 31 215 541 338 75 0
CDI 0 164 6 137 562 671 220 38
VCDI 0 0 0 69 896 4769 23950 65521

Date: 2019-03-20:

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 68152 14971 190 953 500 112 11 0
OW 52 758 83 529 463 112 14 0
VODI 0 342 53 592 734 232 34 0
ODI 0 48 9 174 616 400 65 0
CDI 0 0 1 65 558 1061 230 49
VCDI 0 0 0 9 591 4551 25511 64223
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68152 14655 174 932 728 206 28 0
OW 52 676 58 387 323 180 32 0
VODI 0 437 70 526 666 323 69 0
ODI 0 186 20 275 495 465 97 0
CDI 0 149 11 149 531 918 305 151
VCDI 0 16 3 53 719 4376 25334 64121

Date: 2019-03-22:

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 69330 14069 150 701 343 71 0 0
OW 69 932 70 565 429 85 7 0
VODI 0 464 75 573 673 157 20 0
ODI 0 21 13 244 759 375 21 0
CDI 0 6 3 79 704 1084 163 111
VCDI 0 0 0 34 666 4715 24885 64382
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69322 13655 131 667 498 141 14 0
OW 77 851 69 364 262 143 35 0
VODI 0 596 70 651 653 251 49 0
ODI 0 218 31 332 638 476 65 4
CDI 0 134 9 136 771 989 414 103
VCDI 0 38 1 46 752 4487 24519 64386


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