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: 2022-10-27

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 129582 3243 0
FY ice 830 20604 1146
MY ice 72 3653 18586
...date precedes bulletin

Date: 2022-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 127406 4285 0
FY ice 778 21369 1627
MY ice 67 2848 20250
...date precedes bulletin

Date: 2022-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 125475 3762 0
FY ice 411 24298 1793
MY ice 36 2992 19903
...date precedes bulletin

Date: 2022-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 122317 4988 0
FY ice 375 26080 2257
MY ice 6 2822 20374
observations
open FY ice MY ice
m
d
l
open 122291 4911 0
FY ice 403 26251 2380
MY ice 4 2728 20251

Date: 2022-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 119946 4989 0
FY ice 636 28041 2826
MY ice 141 2637 20266
observations
open FY ice MY ice
m
d
l
open 119957 5133 0
FY ice 640 27977 2974
MY ice 126 2557 20118

Date: 2022-10-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 118898 2040 0
FY ice 517 30455 3304
MY ice 159 3440 21160
observations
open FY ice MY ice
m
d
l
open 118782 4548 0
FY ice 653 29362 3456
MY ice 139 2025 21008

Date: 2022-11-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 117384 2608 0
FY ice 746 32362 3112
MY ice 101 2769 21127
observations
open FY ice MY ice
m
d
l
open 117139 4524 0
FY ice 985 31048 3120
MY ice 107 2167 21119

Date: 2022-11-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 115734 2907 0
FY ice 840 33575 3711
MY ice 103 2253 21004
observations
open FY ice MY ice
m
d
l
open 115232 4227 0
FY ice 1322 32382 3601
MY ice 123 2126 21114


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