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

Validation of sea ice concentration - American sector

Bulletin date: 2023-08-08

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

Model vs. observations, sea ice class contingency tables

Date: 2023-08-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 11686 6045 37 590 116 11 0 0
OW 32 468 7 260 38 11 6 0
VODI 11 655 21 398 190 187 69 21
ODI 1 1196 96 1463 1208 1344 445 195
CDI 0 255 39 2565 4123 4060 1851 834
VCDI 0 16 0 221 737 1108 1570 1410

Date: 2023-08-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12033 6592 98 747 112 10 0 0
OW 15 252 21 132 34 18 4 0
VODI 9 640 30 383 193 204 73 26
ODI 2 1273 99 1479 1301 1419 522 145
CDI 0 340 78 2388 3863 3553 2144 458
VCDI 0 23 5 283 729 1223 1998 645

Date: 2023-08-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12917 6187 106 814 111 11 0 0
OW 17 208 16 132 35 14 4 0
VODI 38 620 38 379 205 196 85 12
ODI 46 1125 130 1550 1312 1492 624 95
CDI 11 352 95 2696 3005 3439 2564 417
VCDI 0 7 2 229 639 1143 2028 450

Date: 2023-08-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12916 6703 178 574 75 5 0 0
OW 26 238 21 115 34 14 0 0
VODI 44 705 43 289 255 210 63 10
ODI 40 1373 149 1504 1502 1359 638 160
CDI 7 599 160 2437 3291 2876 2176 571
VCDI 0 33 4 258 581 1174 1514 672


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