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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-08-08

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

Model vs. observations, sea ice class contingency tables

Date: 2024-08-02:

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 7764 4351 12 1 0 0 0 0
OW 63 1622 184 55 4 0 0 0
VODI 3 424 470 1860 650 2 0 0
ODI 0 1 4 737 4201 906 0 0
CDI 0 0 0 5 1877 6744 88 0
VCDI 0 0 0 0 0 52 2 0
...date precedes bulletin

Date: 2024-08-04:

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 7598 4540 14 6 0 0 0 0
OW 25 1622 185 86 6 0 0 0
VODI 0 521 430 1842 891 38 0 0
ODI 0 0 1 683 3885 1169 0 0
CDI 0 0 0 5 2055 6440 40 0
VCDI 0 0 0 0 0 0 0 0
...date precedes bulletin

Date: 2024-08-06:

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 7994 4928 23 5 1 0 0 0
OW 0 1454 262 127 1 0 0 0
VODI 0 149 331 2080 650 8 0 0
ODI 0 0 2 520 4561 2588 5 0
CDI 0 0 0 4 681 5418 290 0
VCDI 0 0 0 0 0 0 0 0
...date precedes bulletin

Date: 2024-08-08:

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 8118 5045 8 3 1 0 0 0
OW 0 1370 264 139 7 0 0 0
VODI 0 188 342 2150 659 31 0 0
ODI 0 0 4 532 4662 2422 7 0
CDI 0 0 0 2 566 4529 1033 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8118 5061 6 0 0 0 0 0
OW 0 1355 273 131 8 0 0 0
VODI 0 187 334 2206 682 39 0 0
ODI 0 0 5 485 4456 2710 12 0
CDI 0 0 0 4 749 4233 1028 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-10:

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 8964 4316 11 3 0 0 0 0
OW 27 1446 202 107 6 0 0 0
VODI 0 446 446 2058 613 21 0 0
ODI 0 1 5 489 5103 2379 0 0
CDI 0 0 0 0 536 4464 439 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8922 4245 13 1 0 0 0 0
OW 69 1516 176 93 3 0 0 0
VODI 0 447 465 2077 789 29 0 0
ODI 0 1 10 482 4641 2884 5 0
CDI 0 0 0 4 825 3951 434 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-12:

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 9066 4727 11 5 1 0 0 0
OW 0 1443 349 180 1 0 0 0
VODI 0 190 332 2223 549 15 0 0
ODI 0 0 2 415 5569 979 0 0
CDI 0 0 0 0 683 5159 135 0
VCDI 0 0 0 0 0 5 43 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 9050 4030 3 0 0 0 0 0
OW 16 1645 169 125 8 0 0 0
VODI 0 673 500 2139 1020 69 0 0
ODI 0 12 22 557 4140 2352 11 0
CDI 0 0 0 2 1635 3737 167 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-14:

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 9641 4085 3 0 0 0 0 0
OW 0 1611 193 92 0 0 0 0
VODI 0 424 511 2450 397 12 0 0
ODI 0 24 15 700 5002 904 0 0
CDI 0 0 1 15 994 4862 146 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 9633 3262 1 1 0 0 0 0
OW 8 1787 127 110 28 0 0 0
VODI 0 1034 542 2305 820 62 0 0
ODI 0 61 52 814 3848 2011 41 0
CDI 0 0 1 27 1697 3705 105 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-16:

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 9858 3811 1 0 0 0 0 0
OW 1 1686 193 103 0 0 0 0
VODI 0 594 510 2392 389 8 0 0
ODI 0 52 27 760 4987 1117 1 0
CDI 0 3 8 21 1257 3956 347 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 9843 2991 2 2 0 0 0 0
OW 16 1840 126 119 39 0 0 0
VODI 0 1201 562 2373 758 63 0 0
ODI 0 112 45 737 3900 2139 27 0
CDI 0 2 4 45 1936 2879 321 0
VCDI 0 0 0 0 0 0 0 0


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