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: 2022-03-29

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

Model vs. observations, sea ice class contingency tables

Date: 2022-03-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25282 15394 0 667 225 79 110 0
OW 0 173 0 204 158 29 12 0
VODI 0 192 0 293 310 102 42 0
ODI 0 132 0 298 505 476 307 25
CDI 0 148 0 369 920 1211 1327 619
VCDI 0 93 0 372 2430 7922 32956 60013

Date: 2022-03-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25379 15218 0 808 466 111 128 0
OW 0 155 0 124 135 24 14 0
VODI 0 186 0 205 273 60 24 0
ODI 0 128 0 205 558 443 216 51
CDI 0 138 0 294 1108 1257 1333 521
VCDI 0 104 0 207 2191 7018 28038 66275

Date: 2022-04-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25533 15029 0 840 732 200 109 0
OW 0 158 0 113 116 56 19 0
VODI 0 169 0 156 252 115 39 0
ODI 0 114 0 197 511 506 286 32
CDI 0 176 0 295 864 1170 1599 387
VCDI 0 115 0 185 2190 7142 32484 61506

Date: 2022-04-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25451 15266 0 958 787 215 126 0
OW 0 110 0 117 146 45 20 0
VODI 0 160 0 163 228 91 33 3
ODI 0 125 0 200 459 460 398 80
CDI 0 83 0 265 750 1192 1826 570
VCDI 0 38 0 260 1952 6856 30373 63589


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