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

Validation of ice type - Full domain

Bulletin date: 2022-10-20

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-10-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 135294 3844 0
FY ice 327 14330 1156
MY ice 202 3282 19614
...date precedes bulletin

Date: 2022-10-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 133915 3701 0
FY ice 385 16379 953
MY ice 72 3506 19148
...date precedes bulletin

Date: 2022-10-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 131574 2940 0
FY ice 397 19351 796
MY ice 111 4255 18092
...date precedes bulletin

Date: 2022-10-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 130285 3065 0
FY ice 910 20085 1004
MY ice 95 3943 18152
observations
open FY ice MY ice
m
d
l
open 130335 3027 0
FY ice 868 20208 1072
MY ice 87 3858 18084

Date: 2022-10-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 128242 4000 0
FY ice 875 20955 1554
MY ice 72 3205 19839
observations
open FY ice MY ice
m
d
l
open 128329 4072 0
FY ice 790 20914 1688
MY ice 70 3174 19705

Date: 2022-10-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 127193 2726 0
FY ice 460 23452 1753
MY ice 57 3020 20803
observations
open FY ice MY ice
m
d
l
open 127018 4068 0
FY ice 618 22319 1865
MY ice 74 2811 20691

Date: 2022-10-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 123663 4653 0
FY ice 387 25237 1910
MY ice 9 2877 20092
observations
open FY ice MY ice
m
d
l
open 123492 5521 0
FY ice 551 24373 2034
MY ice 16 2873 19968

Date: 2022-10-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 121138 5015 0
FY ice 427 27240 2344
MY ice 82 2820 19848
observations
open FY ice MY ice
m
d
l
open 120969 5927 0
FY ice 577 26306 2473
MY ice 101 2842 19719


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