Description of algorithm
Interpretation of results
  Ice thickness stat.s ++
  Contingency tables

Validation of ice thickness - Full domain

Bulletin date: 2025-02-27

Data source: AWI SMOS sea ice thickness

Definition of categories:

Category   Sea ice thickness   
c1<0.3m
c20.3 - 0.6m
c30.6 - 1m
c4>1m

Model vs. SMOS observations, sea ice thickness contingency tables

Date: 2025-02-21:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 253460 1783 1 0 0
c1 23223 16861 2329 649 0
c2 19381 8780 9856 3945 0
c3 29584 1022 3953 7011 0
c4 31157 189 720 3416 0
...date precedes bulletin

Date: 2025-02-23:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 252544 2019 1 0 0
c1 15075 22039 3107 682 0
c2 13944 10186 12894 5202 0
c3 22153 1023 4316 9011 0
c4 21880 159 1035 3736 0
...date precedes bulletin

Date: 2025-02-25:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 253543 1867 4 0 0
c1 11667 27409 4563 1045 0
c2 11064 7290 11813 6718 0
c3 21281 1247 2827 7709 0
c4 29690 64 1193 2753 0
...date precedes bulletin

Date: 2025-02-27:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 252956 1945 5 3 0
c1 16322 20775 4843 1283 0
c2 12302 6386 12330 6294 0
c3 26518 706 3135 6914 0
c4 30066 486 1023 2499 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 253114 2010 4 3 0
c1 16114 20686 4905 1297 0
c2 12390 6440 12291 6311 0
c3 26572 681 3095 6921 0
c4 29974 481 1041 2461 0

Date: 2025-03-01:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 252508 2179 2 2 0
c1 17165 18858 3716 913 0
c2 12055 7383 12791 5254 0
c3 23933 438 3232 7132 0
c4 34612 49 314 2139 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 252709 2350 3 2 0
c1 16865 18697 3792 960 0
c2 12150 7403 12717 5322 0
c3 24027 414 3241 7024 0
c4 34522 43 302 2132 0

Date: 2025-03-03:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 252862 2484 2 3 0
c1 14304 24650 6127 1126 0
c2 9049 6621 11712 5772 0
c3 16143 780 3903 9722 0
c4 23735 375 1101 7824 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 251671 2994 2 2 0
c1 14124 19492 3513 828 0
c2 10155 10843 12704 5186 0
c3 15763 1202 5364 10314 0
c4 24380 379 1262 8117 0

Date: 2025-03-05:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 251546 3027 8 0 0
c1 14475 24302 4113 749 0
c2 9868 9537 11306 4066 0
c3 21849 1264 4027 7890 0
c4 31584 396 1369 4987 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 249765 3299 11 0 0
c1 15321 19237 2281 508 0
c2 11073 13666 11744 3238 0
c3 20004 1908 5485 8926 0
c4 33159 416 1302 5020 0

Date: 2025-03-07:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 249569 3357 16 1 0
c1 14132 23411 3524 637 0
c2 12133 9424 11198 4471 0
c3 22796 743 4930 9886 0
c4 18963 552 1567 6771 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 248286 3516 22 3 0
c1 14712 19208 2350 559 0
c2 13040 12641 11262 3617 0
c3 20962 1499 5752 10763 0
c4 20593 623 1849 6824 0


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