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: 2023-08-22

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

Model vs. observations, sea ice class contingency tables

Date: 2023-08-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65372 16605 123 493 31 5 2 0
OW 51 947 35 194 31 32 5 0
VODI 106 1814 104 640 289 317 111 35
ODI 154 3820 440 2794 2178 2795 1579 428
CDI 28 479 174 4248 7325 8067 5888 1764
VCDI 0 0 0 101 1002 1767 1798 376

Date: 2023-08-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67208 16267 139 554 50 9 3 0
OW 33 543 21 175 32 19 4 0
VODI 158 1655 72 599 316 378 154 1
ODI 146 3682 381 2522 2492 3399 1548 32
CDI 24 599 205 3902 7173 9597 5678 186
VCDI 0 4 1 172 960 1901 1520 33

Date: 2023-08-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67601 16599 82 646 34 11 4 0
OW 26 570 26 168 39 17 9 0
VODI 75 1853 94 526 348 389 91 0
ODI 103 3687 313 2390 2801 3772 977 0
CDI 17 880 231 3353 7491 11786 3818 0
VCDI 0 4 4 197 859 1968 688 0

Date: 2023-08-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69481 15472 116 586 49 8 1 0
OW 47 600 12 175 49 26 1 0
VODI 155 1813 58 459 409 344 91 0
ODI 83 3703 263 2197 3419 3377 1024 7
CDI 18 960 151 3539 8784 9490 3630 16
VCDI 2 9 9 251 1194 1768 701 0


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