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: 2021-12-23

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-12-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 96393 1686 0
FY ice 828 50170 4835
MY ice 8 6444 16917
...date precedes bulletin

Date: 2021-12-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 94677 2342 2
FY ice 788 50917 5317
MY ice 11 6516 17127
...date precedes bulletin

Date: 2021-12-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92599 1983 42
FY ice 602 52003 6654
MY ice 14 6945 17158
...date precedes bulletin

Date: 2021-12-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91457 1942 13
FY ice 797 52489 6950
MY ice 4 7237 16207
observations
open FY ice MY ice
m
d
l
open 91425 1900 13
FY ice 829 52336 6574
MY ice 4 7432 16583

Date: 2021-12-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91320 1688 29
FY ice 1166 52471 7127
MY ice 9 7541 15576
observations
open FY ice MY ice
m
d
l
open 91293 1665 29
FY ice 1194 52309 6722
MY ice 8 7726 15981

Date: 2021-12-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90993 951 5
FY ice 835 52428 6848
MY ice 8 7638 16139
observations
open FY ice MY ice
m
d
l
open 90718 1599 19
FY ice 1113 52071 6498
MY ice 5 7347 16475

Date: 2021-12-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89988 1222 10
FY ice 880 52798 7804
MY ice 5 7806 16227
observations
open FY ice MY ice
m
d
l
open 89722 1531 32
FY ice 1147 52725 7467
MY ice 4 7570 16542

Date: 2021-12-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89677 1161 4
FY ice 1119 52606 8051
MY ice 9 8180 16041
observations
open FY ice MY ice
m
d
l
open 89301 1436 15
FY ice 1498 52552 7853
MY ice 6 7959 16228


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