Description of algorithm
Interpretation of results
Full domain
American sector
  Ice type distr., stat.s
  Contingency tables
European sector
Asian sector

Validation of ice type - American sector

Bulletin date: 2019-10-17

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

Model vs. observations, ice type area extent contingency tables

Date: 2019-10-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25903 552 2
FY ice 10 2944 578
MY ice 0 942 12170
...date precedes bulletin

Date: 2019-10-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25667 511 27
FY ice 37 2999 599
MY ice 0 898 12093
...date precedes bulletin

Date: 2019-10-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25580 637 6
FY ice 15 3389 619
MY ice 0 1005 12139
...date precedes bulletin

Date: 2019-10-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25353 774 0
FY ice 52 3680 532
MY ice 0 957 11509
observations
open FY ice MY ice
m
d
l
open 25350 809 0
FY ice 55 3593 481
MY ice 0 1009 11560

Date: 2019-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25053 767 0
FY ice 93 3410 1147
MY ice 0 889 12400
observations
open FY ice MY ice
m
d
l
open 25046 831 0
FY ice 100 3306 1052
MY ice 0 929 12495

Date: 2019-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25180 268 10
FY ice 64 2478 2346
MY ice 0 343 13123
observations
open FY ice MY ice
m
d
l
open 25082 456 7
FY ice 162 2287 2280
MY ice 0 346 13192

Date: 2019-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 24333 860 1
FY ice 40 3231 2274
MY ice 0 412 12827
observations
open FY ice MY ice
m
d
l
open 24251 964 1
FY ice 122 3128 2146
MY ice 0 411 12955

Date: 2019-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 23434 1245 0
FY ice 26 4200 2084
MY ice 0 552 12672
observations
open FY ice MY ice
m
d
l
open 23391 1185 0
FY ice 69 4273 1922
MY ice 0 539 12834


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