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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-08-01

Data source: OSI SAF N.H. multi-product 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 5192 5690 3 13 0 0 0 0
OW 206 2425 369 239 1 0 0 0
VODI 21 294 280 2075 998 0 0 0
ODI 5 11 0 566 5460 1238 0 0
CDI 1 2 0 8 927 7028 44 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 5702 5383 8 10 1 0 0 0
OW 616 2165 309 321 3 0 0 0
VODI 74 243 256 1905 1044 0 0 0
ODI 10 2 0 703 5322 1526 0 0
CDI 1 0 0 7 910 6255 320 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 7575 5020 8 11 0 0 0 0
OW 361 1469 386 187 2 0 0 0
VODI 42 18 99 2439 341 0 0 0
ODI 1 0 0 83 5555 451 0 0
CDI 0 0 0 1 1164 7471 21 0
VCDI 0 0 0 0 0 391 0 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 8758 4041 2 10 0 0 0 0
OW 280 1509 223 129 0 0 0 0
VODI 31 197 295 2232 566 0 0 0
ODI 0 0 0 227 5316 312 0 0
CDI 0 0 0 0 2482 6280 0 0
VCDI 0 0 0 0 0 206 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8801 4201 4 10 0 0 0 0
OW 244 1335 232 161 0 0 0 0
VODI 24 211 283 2172 554 0 0 0
ODI 0 0 1 253 5400 297 0 0
CDI 0 0 0 2 2410 6333 0 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 9253 3671 2 4 0 0 0 0
OW 316 1440 215 103 0 0 0 0
VODI 67 231 289 2315 755 0 0 0
ODI 0 0 0 345 5061 424 0 0
CDI 0 0 0 0 1808 6797 0 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 9263 3760 0 5 0 0 0 0
OW 293 1352 233 145 0 0 0 0
VODI 80 230 272 2273 863 0 0 0
ODI 0 0 1 343 4990 596 0 0
CDI 0 0 0 1 1771 6625 0 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 9446 4254 9 17 0 0 0 0
OW 172 1218 440 177 2 0 0 0
VODI 5 0 19 2716 347 0 0 0
ODI 0 0 0 121 7158 319 0 0
CDI 0 0 0 0 678 5998 0 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 9357 3639 1 5 0 0 0 0
OW 229 1508 185 160 2 0 0 0
VODI 37 325 281 2403 856 2 0 0
ODI 0 0 1 459 4662 784 0 0
CDI 0 0 0 4 2665 5531 0 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 9575 4314 13 8 0 0 0 0
OW 156 1239 356 168 0 0 0 0
VODI 0 8 119 2686 501 0 0 0
ODI 0 0 0 248 5904 1477 0 0
CDI 0 0 0 2 393 5518 411 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 9500 3553 0 2 0 0 0 0
OW 215 1561 216 159 2 0 0 0
VODI 16 447 271 2359 943 46 0 0
ODI 0 0 1 586 3981 1625 1 0
CDI 0 0 0 6 1872 5324 410 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 10062 4029 5 2 0 0 0 0
OW 127 1336 255 159 3 0 0 0
VODI 0 67 222 2647 576 0 0 0
ODI 0 0 0 225 6386 1019 0 0
CDI 0 0 0 1 521 5209 245 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 9952 3113 0 0 0 0 0 0
OW 233 1652 161 177 1 0 0 0
VODI 4 662 304 2398 1046 6 0 0
ODI 0 5 17 448 4139 1420 0 0
CDI 0 0 0 11 2300 4802 245 0
VCDI 0 0 0 0 0 0 0 0


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