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

Validation of sea ice concentration - European sector

Bulletin date: 2023-05-02

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

Model vs. observations, sea ice class contingency tables

Date: 2023-05-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17246 15073 152 1091 318 120 29 0
OW 26 156 8 222 104 47 15 0
VODI 43 89 4 277 263 155 81 0
ODI 2 19 7 228 603 504 372 16
CDI 0 1 3 125 690 976 1030 199
VCDI 0 0 0 98 752 4133 5247 6144

Date: 2023-05-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17037 15157 147 1311 402 106 42 0
OW 18 74 5 132 101 44 8 0
VODI 38 44 7 255 255 211 59 0
ODI 0 13 2 253 670 631 361 69
CDI 0 2 1 179 783 1455 1134 304
VCDI 0 0 0 71 930 3922 4909 5526

Date: 2023-05-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17784 14551 157 1326 383 128 30 0
OW 13 41 3 124 101 24 10 0
VODI 23 55 8 284 278 189 84 2
ODI 1 10 2 316 727 754 324 104
CDI 0 5 3 163 800 1798 972 302
VCDI 0 0 0 71 841 3318 5110 5449

Date: 2023-05-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18360 14553 135 1236 369 92 34 0
OW 12 58 9 142 79 25 11 0
VODI 3 59 17 289 257 101 59 0
ODI 0 19 3 353 737 452 339 93
CDI 0 2 2 152 900 1431 967 299
VCDI 0 0 0 61 1029 3769 4976 5184


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