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

Validation of sea ice concentration - American sector

Bulletin date: 2022-03-31

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

Model vs. observations, sea ice class contingency tables

Date: 2022-03-25:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 9 25 1
CDI 0 0 0 0 5 234 164 28
VCDI 0 0 0 0 94 2291 12566 30449
...date precedes bulletin

Date: 2022-03-27:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 21 0 0
CDI 0 0 0 0 44 155 28 9
VCDI 0 0 0 0 254 2401 11629 31325
...date precedes bulletin

Date: 2022-03-29:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 9 1 0 0
ODI 0 0 0 0 56 12 0 0
CDI 0 0 0 0 158 90 25 47
VCDI 0 0 0 0 395 2087 10486 32500
...date precedes bulletin

Date: 2022-03-31:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 5 0 0 0
ODI 0 0 0 0 33 14 0 0
CDI 0 0 0 0 163 140 10 2
VCDI 0 0 0 0 409 1502 9164 34424
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 6 0 0 0
ODI 0 0 0 0 34 19 0 0
CDI 0 0 0 0 167 138 1 3
VCDI 0 0 0 0 403 1499 9173 34423

Date: 2022-04-02:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 1 22 1 0 0
ODI 0 0 0 5 70 7 0 0
CDI 0 0 0 2 184 59 42 2
VCDI 0 0 0 1 522 1842 11909 31197
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 1 23 2 0 0
ODI 0 0 0 5 74 7 0 0
CDI 0 0 0 2 178 54 41 3
VCDI 0 0 0 1 523 1846 11910 31196

Date: 2022-04-04:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 27 0 0 0
ODI 0 0 0 0 95 60 0 0
CDI 0 0 0 0 347 214 21 0
VCDI 0 0 0 0 191 1875 11106 31930
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 11 0 0 0
ODI 0 0 0 0 45 39 0 0
CDI 0 0 0 0 172 126 56 4
VCDI 0 0 0 0 432 1984 11071 31926

Date: 2022-04-06:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 22 5 0 0
ODI 0 0 0 0 40 13 0 2
CDI 0 0 0 0 143 61 45 85
VCDI 0 0 0 0 172 1603 8476 35199
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 2 0 0 0
VODI 0 0 0 0 16 4 0 0
ODI 0 0 0 0 28 11 3 2
CDI 0 0 0 0 50 34 101 107
VCDI 0 0 0 0 281 1633 8417 35177

Date: 2022-04-08:

Best estimate Forecast
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 26 0 0 0
ODI 0 0 0 0 15 26 1 0
CDI 0 0 0 14 68 146 124 6
VCDI 0 0 0 3 159 1322 9350 34606
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 2 0 0 0
VODI 0 0 0 0 15 0 0 0
ODI 0 0 0 0 20 10 17 0
CDI 0 0 0 5 25 107 141 26
VCDI 0 0 0 12 206 1377 9317 34586


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