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: 2024-04-02

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

Model vs. observations, sea ice class contingency tables

Date: 2024-04-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14074 15505 153 1501 789 277 47 0
OW 0 60 9 85 65 17 11 0
VODI 0 78 12 189 203 85 36 0
ODI 0 82 8 278 340 256 176 22
CDI 0 78 16 240 534 838 1151 684
VCDI 0 35 11 447 1302 4408 21061 69384

Date: 2024-04-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13806 15582 168 1632 813 370 69 0
OW 0 47 4 91 81 11 12 0
VODI 0 59 5 178 160 45 47 1
ODI 0 47 6 220 283 269 229 54
CDI 0 52 7 247 596 762 1316 602
VCDI 0 58 13 336 1174 3490 18568 73037

Date: 2024-04-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14084 15495 187 1547 937 392 33 0
OW 0 31 2 80 84 36 7 1
VODI 0 65 6 136 145 82 27 19
ODI 0 44 4 178 289 250 209 75
CDI 0 46 9 192 444 951 1397 618
VCDI 0 86 16 368 1053 3998 21407 69517

Date: 2024-04-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13831 15628 196 1596 995 414 10 0
OW 0 42 6 78 66 36 10 0
VODI 0 58 10 124 137 91 32 1
ODI 0 49 6 163 222 284 286 28
CDI 0 48 10 228 452 1017 1591 699
VCDI 0 91 24 412 1083 4528 25171 64794


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