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: 2017-03-09

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

Model vs. observations, sea ice class contingency tables

Date: 2017-03-03:

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 56178 22264 5639 1688 276 24 1 0
OW 52 50 95 791 360 81 4 0
VODI 0 11 59 470 689 210 32 0
ODI 0 1 43 172 640 436 73 0
CDI 0 0 63 92 614 997 422 36
VCDI 0 0 46 129 380 4870 24202 64858
...date precedes bulletin

Date: 2017-03-05:

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 55701 24191 4359 1719 359 38 0 0
OW 51 41 114 721 384 117 0 0
VODI 0 14 33 402 729 270 17 0
ODI 0 4 22 163 559 503 93 0
CDI 0 2 24 69 536 1176 408 28
VCDI 0 0 4 133 318 4389 27471 61886
...date precedes bulletin

Date: 2017-03-07:

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 52909 22192 8990 1521 204 34 0 0
OW 52 33 266 887 267 59 2 0
VODI 0 4 11 471 785 162 6 0
ODI 0 0 4 148 602 439 63 0
CDI 0 0 1 101 544 1100 520 47
VCDI 0 0 0 146 548 5362 26571 61997
...date precedes bulletin

Date: 2017-03-09:

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 58947 21556 3854 1377 214 57 0 0
OW 51 60 212 837 350 75 2 0
VODI 0 4 30 398 711 221 16 0
ODI 0 0 4 192 430 585 99 0
CDI 0 0 0 118 504 1242 398 38
VCDI 0 0 0 56 549 7113 31226 55522
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58947 21582 3947 1549 258 44 0 0
OW 51 35 115 692 370 82 1 0
VODI 0 3 34 372 664 281 32 0
ODI 0 0 4 189 434 545 133 0
CDI 0 0 0 122 478 1171 365 31
VCDI 0 0 0 54 554 7170 31210 55529

Date: 2017-03-11:

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 50591 23364 10477 1413 240 28 0 0
OW 51 47 120 794 426 93 1 0
VODI 0 8 39 427 622 256 7 0
ODI 0 0 15 172 548 543 154 1
CDI 0 0 0 109 565 1033 390 72
VCDI 0 0 0 102 841 7814 30056 55629
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 50591 23381 10519 1549 274 33 0 0
OW 51 31 77 666 420 89 0 0
VODI 0 7 43 424 607 304 20 0
ODI 0 0 12 176 534 499 162 1
CDI 0 0 0 105 556 1006 375 74
VCDI 0 0 0 97 851 7836 30051 55627

Date: 2017-03-13:

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 51726 24444 8086 1183 192 36 0 0
OW 52 113 128 852 275 43 0 0
VODI 0 75 86 573 668 115 3 0
ODI 0 1 0 122 720 358 23 3
CDI 0 0 0 29 598 1062 425 74
VCDI 0 0 0 67 532 6081 27845 60458
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 51727 24602 8123 1501 520 63 0 0
OW 51 26 139 502 339 102 0 0
VODI 0 5 36 428 457 294 25 0
ODI 0 0 2 229 419 429 148 2
CDI 0 0 0 85 546 724 448 132
VCDI 0 0 0 81 704 6083 27675 60401

Date: 2017-03-15:

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 50122 25441 8211 1558 222 90 0 0
OW 52 45 137 793 363 99 9 0
VODI 0 9 123 491 671 181 24 0
ODI 0 0 8 179 561 433 60 0
CDI 0 0 0 92 614 877 624 145
VCDI 0 0 0 135 941 5595 25480 62663
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 50122 25427 8205 1760 539 144 3 0
OW 52 50 177 464 363 162 11 0
VODI 0 17 59 454 357 300 43 0
ODI 0 1 32 238 415 528 136 10
CDI 0 0 6 160 563 640 589 214
VCDI 0 0 0 172 1135 5501 25415 62584

Date: 2017-03-17:

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 50934 25564 7605 1349 175 100 0 0
OW 51 49 251 846 328 110 6 0
VODI 0 17 129 636 534 182 13 0
ODI 0 1 35 274 656 373 28 4
CDI 0 0 11 188 557 831 300 93
VCDI 0 0 0 244 1248 5755 26572 60999
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 50933 25536 7579 1680 456 174 0 0
OW 52 76 220 522 259 167 10 0
VODI 0 19 137 390 410 270 26 0
ODI 0 0 76 262 389 388 49 8
CDI 0 0 17 291 436 562 201 156
VCDI 0 0 2 392 1548 5790 26633 60932


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