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: 2024-06-11

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

Model vs. observations, sea ice class contingency tables

Date: 2024-06-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23765 12391 33 242 13 2 3 0
OW 184 645 24 164 60 22 14 0
VODI 720 2032 109 983 713 315 277 11
ODI 437 3831 255 2925 2246 1697 1631 111
CDI 183 1113 87 1779 3177 5178 6091 1592
VCDI 73 93 5 486 2654 10339 28511 17331

Date: 2024-06-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25031 16195 140 846 223 15 14 0
OW 21 693 37 372 150 36 24 0
VODI 13 1508 92 1143 739 351 335 2
ODI 5 1818 164 2228 2313 1840 1552 90
CDI 0 660 46 1584 3118 5297 6219 1190
VCDI 1 140 16 620 2901 11434 27613 15718

Date: 2024-06-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26166 17000 189 1576 416 75 23 0
OW 10 526 25 394 181 53 38 0
VODI 8 1005 67 932 778 406 263 3
ODI 13 1261 92 1804 2234 2052 1334 116
CDI 6 564 34 1414 3183 6271 5709 1302
VCDI 0 252 20 639 3087 15820 22470 14736

Date: 2024-06-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26429 18052 194 1683 591 134 39 0
OW 1 434 21 332 228 101 38 1
VODI 0 846 62 802 798 442 244 22
ODI 0 978 81 1664 2153 2303 1150 181
CDI 1 653 45 1407 3235 6917 4396 1199
VCDI 0 306 20 667 4590 21668 17950 11489


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