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: 2022-04-05

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25559 15355 0 676 257 82 83 0
OW 0 145 0 220 110 9 13 0
VODI 0 105 0 274 290 34 23 7
ODI 0 66 0 261 617 283 287 42
CDI 0 38 0 309 996 1116 1488 371
VCDI 0 23 0 263 2215 7111 30685 63982

Date: 2022-04-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25141 15435 0 939 562 141 98 0
OW 0 108 0 110 91 26 8 0
VODI 0 102 0 190 239 92 35 0
ODI 0 106 0 206 524 505 293 48
CDI 0 86 0 256 911 1217 1492 350
VCDI 0 38 0 321 2096 6728 31494 63407

Date: 2022-04-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25563 14685 0 894 712 153 123 0
OW 0 168 0 96 149 37 9 0
VODI 0 184 0 154 270 134 29 1
ODI 0 136 0 187 461 609 346 51
CDI 0 89 0 260 785 1165 1464 515
VCDI 0 50 0 244 1891 6125 28472 67184

Date: 2022-04-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25987 14499 0 887 867 150 96 0
OW 2 152 0 79 166 63 26 0
VODI 5 204 0 155 317 122 86 1
ODI 2 206 0 240 556 474 385 42
CDI 3 201 0 291 819 1107 1396 395
VCDI 1 149 0 354 1933 6141 27055 67781


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