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

Validation of ice thickness - Full domain

Bulletin date: 2023-11-23

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: 2023-11-17:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 328141 10670 12 2 0
c1 7561 33918 5263 1239 0
c2 6389 5756 17804 15813 0
c3 9544 952 2327 4128 0
c4 4182 213 708 1695 0
...date precedes bulletin

Date: 2023-11-19:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 326003 8361 5 2 0
c1 6607 32870 5894 1957 0
c2 6114 6850 10460 16812 0
c3 11490 1290 2819 3647 0
c4 7666 364 1676 2379 0
...date precedes bulletin

Date: 2023-11-21:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 325066 7244 22 2 0
c1 9295 34193 3788 460 0
c2 11928 6155 12189 7979 0
c3 17645 1271 2410 7023 0
c4 11262 400 1612 2715 0
...date precedes bulletin

Date: 2023-11-23:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 323398 7741 31 4 0
c1 8824 31365 4824 1076 0
c2 2283 6277 13780 8439 0
c3 702 2102 3405 9929 0
c4 704 825 2108 2102 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 323449 7798 15 3 0
c1 8682 31311 4854 964 0
c2 2381 6340 13723 8433 0
c3 709 2069 3463 10065 0
c4 690 792 2093 2085 0

Date: 2023-11-25:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 322329 6973 8 10 0
c1 11720 28546 4003 645 0
c2 15548 4012 11106 5349 0
c3 17219 1723 2848 9308 0
c4 10751 804 1310 5853 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 322386 7027 2 0 0
c1 11841 28280 3961 621 0
c2 15107 4288 11164 5346 0
c3 17309 1668 2859 9364 0
c4 10924 795 1289 5834 0

Date: 2023-11-27:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 320535 7805 0 9 0
c1 11440 28816 4158 710 0
c2 17765 6062 8551 4838 0
c3 16020 2444 4369 9957 0
c4 11710 401 2206 2703 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 318510 8670 0 2 0
c1 12926 26047 4451 1120 0
c2 16485 7052 8211 4683 0
c3 18416 2619 4146 9703 0
c4 11133 1140 2476 2709 0

Date: 2023-11-29:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 317539 8522 8 13 0
c1 11815 29384 3368 881 0
c2 6762 8855 11768 8479 0
c3 1376 2461 6051 19646 0
c4 2923 516 1600 4318 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 314679 9006 8 5 0
c1 13744 26099 3903 1478 0
c2 7213 10644 10131 8488 0
c3 1751 2819 6936 18973 0
c4 3028 1170 1817 4393 0

Date: 2023-12-01:

Best estimate Forecast
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 313914 10392 14 0 0
c1 7955 33984 3325 464 0
c2 1782 8335 12783 8063 0
c3 1153 1852 4928 13769 0
c4 2461 379 979 2963 0
observations
open c1 c2 c3 c4
m
o
d
e
l		 open 309357 10358 14 0 0
c1 11598 30869 3842 665 0
c2 2166 10587 11147 7756 0
c3 1521 2256 5848 13612 0
c4 2623 872 1178 3226 0


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