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: 2022-10-25

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

Model vs. observations, sea ice class contingency tables

Date: 2022-10-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58351 26893 0 2712 1109 38 0 0
OW 0 160 0 274 180 28 0 0
VODI 0 167 0 438 541 65 1 0
ODI 0 101 0 498 1148 262 16 6
CDI 0 27 0 248 1839 1387 439 174
VCDI 0 14 0 117 1797 9184 19124 26057

Date: 2022-10-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 55120 26615 0 2787 3378 448 7 0
OW 23 133 0 144 298 111 1 0
VODI 15 187 0 165 551 228 1 0
ODI 0 109 0 127 590 393 13 1
CDI 0 53 0 178 874 1442 526 208
VCDI 0 3 0 143 1677 8336 19917 28593

Date: 2022-10-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 53392 25679 0 2679 3355 1926 85 0
OW 0 188 0 98 283 247 18 0
VODI 0 194 0 142 397 458 36 0
ODI 0 123 0 128 433 625 79 2
CDI 0 123 0 180 597 1356 536 192
VCDI 0 95 0 194 1209 7280 21147 29919

Date: 2022-10-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 54066 23453 0 2361 2616 2905 433 0
OW 1 188 0 91 198 361 82 0
VODI 2 278 0 131 319 623 167 0
ODI 0 152 0 99 361 669 210 5
CDI 0 108 0 116 481 1434 625 114
VCDI 0 183 0 288 1093 5962 20858 32362


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