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: 2024-08-01

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

Model vs. observations, sea ice class contingency tables

Date: 2024-07-26:

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 4028 6309 31 2 0 0 0 0
OW 348 1964 427 241 11 0 0 0
VODI 6 393 440 1633 1003 17 0 0
ODI 6 8 25 683 4860 1650 0 0
CDI 0 0 1 6 1317 6481 192 0
VCDI 0 0 0 0 0 0 0 0
...date precedes bulletin

Date: 2024-07-28:

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 5159 5369 8 2 1 0 0 0
OW 313 2149 384 277 8 0 0 0
VODI 7 422 407 1444 1091 36 0 0
ODI 2 7 30 853 4416 2193 17 0
CDI 0 2 3 5 1188 5648 641 0
VCDI 0 0 0 0 0 0 0 0
...date precedes bulletin

Date: 2024-07-30:

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 5693 6171 44 13 0 0 0 0
OW 59 1627 355 162 6 0 0 0
VODI 0 155 299 1866 509 5 0 0
ODI 0 2 5 356 4630 1080 0 0
CDI 0 0 1 4 1552 6932 165 0
VCDI 0 0 0 0 5 365 21 0
...date precedes bulletin

Date: 2024-08-01:

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 7795 4279 3 0 0 0 0 0
OW 99 1609 187 70 3 0 0 0
VODI 0 391 469 1750 616 3 0 0
ODI 0 1 6 553 4513 770 0 0
CDI 0 0 0 2 2192 6514 51 0
VCDI 0 0 0 0 5 201 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7786 4425 6 3 0 0 0 0
OW 108 1471 197 78 3 0 0 0
VODI 0 382 456 1709 607 6 0 0
ODI 0 2 5 580 4545 804 0 0
CDI 0 0 1 5 2174 6510 51 0
VCDI 0 0 0 0 0 168 0 0

Date: 2024-08-03:

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 7536 4604 10 5 0 0 0 0
OW 38 1612 193 74 5 0 0 0
VODI 0 491 423 1879 777 21 0 0
ODI 0 0 3 720 3995 1098 0 0
CDI 0 0 0 4 1766 6799 29 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 7529 4670 10 5 0 0 0 0
OW 44 1558 204 96 6 0 0 0
VODI 1 478 409 1892 846 33 0 0
ODI 0 1 6 675 3958 1273 0 0
CDI 0 0 0 14 1733 6612 29 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-05:

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 7734 5111 31 11 2 0 0 0
OW 1 1501 298 100 1 0 0 0
VODI 0 124 300 2088 522 6 0 0
ODI 0 0 1 617 5394 1565 0 0
CDI 0 0 0 4 761 5775 135 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 7700 4438 12 6 0 0 0 0
OW 35 1679 176 88 8 0 0 0
VODI 0 619 432 1880 881 49 0 0
ODI 0 0 10 819 3666 1393 0 0
CDI 0 0 0 27 2125 5904 135 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-07:

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 8058 4983 23 5 1 0 0 0
OW 0 1385 277 142 6 0 0 0
VODI 0 138 303 2136 636 55 0 0
ODI 0 0 2 516 4452 2638 7 0
CDI 0 0 0 3 577 4822 917 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 8028 4160 11 3 0 0 0 0
OW 30 1708 201 125 8 0 0 0
VODI 0 635 366 1917 908 206 0 0
ODI 0 3 26 745 3030 2327 41 0
CDI 0 0 1 12 1726 4982 883 0
VCDI 0 0 0 0 0 0 0 0

Date: 2024-08-09:

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 8226 5008 12 5 1 0 0 0
OW 0 1441 223 106 5 0 0 0
VODI 0 254 426 2103 652 32 0 0
ODI 0 1 5 463 5077 2065 5 0
CDI 0 0 0 1 663 4787 521 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 8189 4008 5 3 0 0 0 0
OW 37 1814 135 140 11 0 0 0
VODI 0 864 475 1888 1023 131 0 0
ODI 0 18 49 639 3143 2096 65 0
CDI 0 0 2 8 2221 4657 461 0
VCDI 0 0 0 0 0 0 0 0


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