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: 2018-07-19

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

Model vs. observations, sea ice class contingency tables

Date: 2018-07-13:

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 91751 22588 482 3647 572 149 0 0
OW 1 752 151 3097 1727 87 0 0
VODI 0 65 13 2248 4614 239 0 0
ODI 0 69 5 355 4863 1617 13 0
CDI 0 39 0 122 7054 16474 322 0
VCDI 0 0 0 0 874 16502 6556 0
...date precedes bulletin

Date: 2018-07-15:

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 92532 23879 505 3363 667 85 0 0
OW 0 779 151 4172 1549 90 0 0
VODI 0 50 13 1770 4008 325 0 0
ODI 0 45 10 400 4523 1839 39 0
CDI 0 2 0 251 7061 14201 2358 25
VCDI 0 7 0 13 312 11672 9646 706
...date precedes bulletin

Date: 2018-07-17:

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 93535 25185 457 2906 335 79 0 0
OW 1 750 174 3064 494 60 0 0
VODI 0 96 21 2839 2665 131 0 0
ODI 0 9 5 428 9378 1502 0 0
CDI 0 1 0 9 4417 15084 3578 84
VCDI 0 14 1 32 505 9391 9201 617
...date precedes bulletin

Date: 2018-07-19:

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 94780 25275 429 3116 471 59 0 0
OW 2 845 130 2598 910 60 0 0
VODI 0 150 47 2070 3943 132 0 0
ODI 0 14 6 562 8140 3077 4 0
CDI 0 0 0 39 4255 14314 3381 117
VCDI 0 0 0 62 340 10323 6791 606
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 94778 25296 439 3142 605 69 0 0
OW 4 794 123 2530 897 53 0 0
VODI 0 180 44 2083 3936 167 0 0
ODI 0 14 6 574 7635 3322 0 0
CDI 0 0 0 57 4636 14114 3398 74
VCDI 0 0 0 61 350 10240 6778 649

Date: 2018-07-21:

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 97666 24323 396 2663 384 35 0 0
OW 67 818 130 2872 926 80 0 0
VODI 0 240 31 1986 4754 163 0 0
ODI 0 13 7 1139 7328 3355 1 0
CDI 0 0 0 103 3506 12343 4926 236
VCDI 0 0 0 49 508 5751 9748 501
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 97658 24320 410 2929 562 48 0 0
OW 75 785 110 2524 1016 59 0 0
VODI 0 268 35 2009 4470 165 0 0
ODI 0 21 9 1080 7042 3479 0 0
CDI 0 0 0 224 3790 12120 4754 225
VCDI 0 0 0 46 526 5856 9921 512

Date: 2018-07-23:

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 100754 23610 293 1342 251 17 0 0
OW 73 724 175 1886 314 26 0 0
VODI 0 200 39 5318 2091 69 0 0
ODI 0 13 4 443 11391 664 0 0
CDI 0 0 0 11 1793 16277 3001 3
VCDI 0 0 0 60 370 3883 10463 1490
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 100750 23323 339 2262 624 39 0 0
OW 76 905 134 2657 1392 63 0 0
VODI 1 271 25 2352 3950 447 0 0
ODI 0 44 11 1255 6430 3444 12 0
CDI 0 4 2 468 3346 11925 5107 122
VCDI 0 0 0 66 468 5018 8345 1371

Date: 2018-07-25:

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 105116 20573 244 1296 293 10 0 0
OW 3 945 197 2732 383 46 0 0
VODI 0 112 36 4749 3114 96 0 0
ODI 0 5 1 298 9341 2377 0 0
CDI 0 5 2 6 1907 12343 5432 253
VCDI 0 2 1 54 374 2291 10504 1907
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 105118 20416 315 2834 728 46 0 0
OW 1 922 109 2308 1411 69 0 0
VODI 0 222 37 2311 4192 372 0 0
ODI 0 68 17 1037 5194 4489 91 0
CDI 0 8 1 587 3416 9180 7674 631
VCDI 0 6 2 58 471 3007 8171 1529

Date: 2018-07-27:

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 107766 18691 225 1432 355 38 0 0
OW 55 1044 207 3351 588 91 0 0
VODI 0 297 73 3657 3827 159 0 0
ODI 0 8 0 554 6592 4814 0 0
CDI 0 14 3 19 1641 11345 5981 0
VCDI 0 3 1 30 403 2129 9597 2058
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 107789 18799 304 3186 1174 96 0 0
OW 32 641 96 1891 1399 140 0 0
VODI 0 273 48 1992 4040 1376 4 0
ODI 0 206 35 877 3675 5527 489 0
CDI 0 124 22 1052 2638 9620 8584 500
VCDI 0 14 4 45 480 1817 6501 1558


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