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: 2015-12-24

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

Model vs. observations, sea ice class contingency tables

Date: 2015-12-18:

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 35 161 13 0 0 0 0
VODI 0 95 621 150 0 48 0 0
ODI 0 0 195 429 38 50 0 0
CDI 0 0 11 307 249 173 26 6
VCDI 0 0 0 71 772 4623 13269 24524
...date precedes bulletin

Date: 2015-12-20:

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 4 0 0 0 0
VODI 0 18 205 265 0 0 0 0
ODI 0 1 16 564 113 8 0 0
CDI 0 0 0 156 476 299 42 0
VCDI 0 0 0 42 525 5544 15043 22545
...date precedes bulletin

Date: 2015-12-22:

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 2 0 0 0 0
VODI 0 0 5 162 11 0 0 0
ODI 0 0 5 198 486 0 0 0
CDI 0 0 0 95 772 127 4 0
VCDI 0 0 0 68 688 4339 15322 23582
...date precedes bulletin

Date: 2015-12-24:

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 5 0 0 0 0 0
VODI 0 7 14 0 4 0 0 0
ODI 0 4 53 198 101 1 0 0
CDI 0 0 37 432 436 171 0 0
VCDI 0 0 0 132 644 4274 15709 23644
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 6 0 0 0 0 0
VODI 0 10 15 0 5 0 0 0
ODI 0 1 49 158 104 1 0 0
CDI 0 0 39 409 360 153 1 0
VCDI 0 0 0 195 716 4292 15708 23644

Date: 2015-12-26:

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 2 0 0 0 0
ODI 0 0 10 170 64 4 0 0
CDI 0 0 8 385 384 277 1 0
VCDI 0 0 0 162 1588 7156 12594 23061
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 1 4 0 0 0 0
ODI 0 0 6 149 71 1 0 0
CDI 0 0 11 386 332 306 1 0
VCDI 0 0 0 180 1633 7130 12594 23061

Date: 2015-12-28:

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 0 108 3 0 0
CDI 0 0 0 24 315 499 2 0
VCDI 0 0 0 85 998 7397 13442 22993
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 10 1 0 0
CDI 0 0 0 19 266 312 4 0
VCDI 0 0 0 90 1145 7586 13440 22993

Date: 2015-12-30:

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 17 15 0 0
CDI 0 0 0 2 183 368 2 0
VCDI 0 0 0 58 874 4631 15386 24330
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 6 0 0
VODI 0 0 0 0 0 22 0 0
ODI 0 0 0 0 18 45 16 0
CDI 0 0 0 0 124 396 16 0
VCDI 0 0 0 60 932 4545 15356 24330

Date: 2016-01-01:

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 4 0 0
ODI 0 0 0 0 9 15 0 0
CDI 0 0 0 1 59 332 11 0
VCDI 0 0 0 52 368 4371 14355 26289
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 9 20 0
VODI 0 0 0 0 0 37 42 0
ODI 0 0 0 0 0 10 30 0
CDI 0 0 0 0 15 137 71 0
VCDI 0 0 0 53 421 4529 14203 26289


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