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: 2022-04-19

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26276 15160 0 560 221 53 21 0
OW 4 175 0 197 86 26 8 0
VODI 7 138 0 303 249 93 60 2
ODI 2 45 0 227 433 445 364 53
CDI 1 33 0 209 977 1327 1651 377
VCDI 0 29 0 167 1862 6938 34658 59958

Date: 2022-04-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26411 14931 0 741 377 85 23 0
OW 2 206 0 162 83 14 7 2
VODI 4 143 0 242 233 126 62 6
ODI 1 74 0 229 474 502 323 23
CDI 0 71 0 278 1044 1324 1335 206
VCDI 0 58 0 218 1972 7667 33649 60087

Date: 2022-04-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25991 15265 0 723 326 73 22 10
OW 7 149 0 150 91 33 11 14
VODI 3 165 0 238 263 179 77 23
ODI 0 122 0 287 620 491 410 84
CDI 0 46 0 328 1088 1314 1544 421
VCDI 0 47 0 256 1658 6546 32930 61390

Date: 2022-04-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25495 15344 0 931 456 80 14 25
OW 3 148 0 130 104 40 8 12
VODI 2 198 0 243 318 211 72 44
ODI 0 130 0 291 627 536 341 104
CDI 0 57 0 233 889 1269 1500 640
VCDI 0 66 0 235 1750 7128 28109 65612


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