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: 2022-09-06

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

Model vs. observations, sea ice class contingency tables

Date: 2022-09-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18594 11324 0 430 143 5 0 0
OW 13 250 0 315 114 16 0 0
VODI 8 275 0 685 720 225 48 1
ODI 0 366 0 788 1988 1302 326 15
CDI 0 282 0 343 706 3023 2225 278
VCDI 0 1 0 10 116 2040 3032 587

Date: 2022-09-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18625 11360 0 962 291 27 0 0
OW 0 131 0 158 122 27 4 0
VODI 0 267 0 466 571 245 104 0
ODI 0 395 0 638 1809 1447 492 7
CDI 0 308 0 282 580 2826 1985 170
VCDI 0 3 0 21 113 2128 3412 618

Date: 2022-09-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18481 11813 0 855 308 42 1 0
OW 0 206 0 134 64 17 8 0
VODI 0 372 0 400 531 238 70 0
ODI 0 528 0 680 1693 1366 465 24
CDI 0 269 0 228 635 2494 1849 213
VCDI 0 0 0 25 137 2308 3406 734

Date: 2022-09-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18159 12190 0 895 321 17 1 0
OW 0 179 0 101 61 15 3 0
VODI 0 374 0 369 525 168 63 0
ODI 0 565 0 589 1766 1205 423 2
CDI 0 213 0 232 719 2389 2161 71
VCDI 0 1 0 26 163 2488 3973 167


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