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

Validation of ice thickness - Full domain

Bulletin date: 2025-04-10

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: 2025-04-04:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 247136 2049 10 2 0
c1 19315 15139 2571 2239 0
c2 14208 7764 9092 5404 0
c3 28433 1511 6063 7051 0
c4 38251 316 3314 5532 0
...date precedes bulletin

Date: 2025-04-06:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 244682 2583 12 0 0
c1 15152 17304 3687 1453 0
c2 11830 8388 10673 5908 0
c3 22315 2950 6577 8855 0
c4 31612 275 3290 8427 0
...date precedes bulletin

Date: 2025-04-08:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 246998 2140 2 0 0
c1 13070 23404 4562 1698 0
c2 12179 7362 7838 5923 0
c3 20749 1809 5391 9019 0
c4 35558 847 2133 5330 0
...date precedes bulletin

Date: 2025-04-10:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 246196 2806 8 0 0
c1 12817 22561 3654 2067 0
c2 12938 8449 8842 5105 0
c3 14499 1875 7312 9099 0
c4 13371 973 3007 5590 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 246555 3002 19 0 0
c1 12431 22484 3570 2049 0
c2 12936 8309 8960 5122 0
c3 14533 1909 7277 9049 0
c4 13366 960 2997 5641 0

Date: 2025-04-12:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 245255 2869 17 3 0
c1 13760 21756 2773 2241 0
c2 13563 12677 6053 4643 0
c3 20795 3133 6174 6923 0
c4 32152 1963 2886 6600 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 245734 3149 20 3 0
c1 13353 21428 2720 2233 0
c2 13521 12744 6116 4584 0
c3 20738 3166 6195 6988 0
c4 32179 1911 2852 6602 0

Date: 2025-04-14:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 245081 3601 12 1 0
c1 12919 27220 2872 938 0
c2 6712 13444 9512 7390 0
c3 10590 4506 10448 12460 0
c4 12245 903 3059 8234 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 244309 3930 17 1 0
c1 12799 22352 2932 998 0
c2 7484 15457 7702 6274 0
c3 9134 6276 10938 11774 0
c4 13821 1659 4314 9976 0

Date: 2025-04-16:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2025-04-18:

Best estimate Forecast
...observations not yet available ...observations not yet available


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