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

Validation of sea ice concentration - Full domain

Bulletin date: 2022-12-06

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

Model vs. observations, sea ice class contingency tables

Date: 2022-12-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 32111 15166 0 1486 876 385 15 0
OW 1 316 0 244 197 49 7 0
VODI 0 437 0 319 405 91 18 0
ODI 0 299 0 352 523 161 30 0
CDI 0 203 0 457 881 654 383 72
VCDI 0 243 0 648 2354 11728 22628 40808

Date: 2022-12-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 31194 12774 0 1813 2034 685 61 0
OW 0 154 0 149 235 84 25 0
VODI 0 231 0 209 452 158 39 0
ODI 0 179 0 148 461 237 31 0
CDI 0 165 0 216 672 687 251 74
VCDI 0 295 0 561 2200 10650 23147 44276

Date: 2022-12-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 30436 11936 0 1470 2218 1022 19 0
OW 0 142 0 122 258 142 2 0
VODI 0 176 0 167 438 291 11 0
ODI 0 172 0 159 423 354 35 0
CDI 0 182 0 162 669 675 288 98
VCDI 0 235 0 411 2091 8811 20435 50497

Date: 2022-12-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29864 11673 0 1144 1629 1544 90 0
OW 0 154 0 132 214 137 8 0
VODI 0 246 0 201 355 242 19 0
ODI 0 126 0 153 356 308 38 0
CDI 0 126 0 184 630 561 268 130
VCDI 0 309 0 663 2963 11076 25297 43707


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