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: 2021-07-27

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1225 3710 0 175 54 7 0 0
OW 0 100 0 169 72 34 2 0
VODI 0 126 0 388 1060 603 104 0
ODI 0 101 0 382 2465 2962 1134 0
CDI 0 30 0 190 2973 9861 5184 0
VCDI 0 0 0 0 106 1008 1104 0

Date: 2021-07-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1804 3440 0 347 177 82 2 0
OW 0 143 0 123 238 95 18 0
VODI 0 187 0 182 739 879 137 18
ODI 0 158 0 245 1774 3488 1094 288
CDI 0 27 0 163 2331 9320 5091 977
VCDI 0 0 0 1 46 895 746 74

Date: 2021-07-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1801 3759 0 462 216 124 16 0
OW 0 130 0 91 187 55 24 0
VODI 0 201 0 212 1032 573 206 1
ODI 0 182 0 365 2522 3032 1267 16
CDI 0 30 0 250 2618 8824 5667 57
VCDI 0 0 0 1 47 654 699 8

Date: 2021-08-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 864 4845 0 493 213 127 17 0
OW 0 117 0 100 185 55 32 0
VODI 0 278 0 271 1075 548 257 15
ODI 0 244 0 475 2510 3053 1652 256
CDI 0 40 0 256 2515 7007 5513 1404
VCDI 0 0 0 1 82 386 390 53


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