Validation of sea ice concentration
Bulletin date: 2025-02-13
Model vs. observations, sea ice class contingency tables
Date: 2025-02-07:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63945 |
23911 |
2724 |
612 |
115 |
53 |
0 |
0 |
| OW |
0 |
1590 |
1760 |
892 |
305 |
157 |
139 |
0 |
| VODI |
0 |
490 |
1621 |
1272 |
665 |
428 |
512 |
0 |
| ODI |
0 |
105 |
699 |
649 |
577 |
631 |
970 |
8 |
| CDI |
0 |
86 |
669 |
945 |
1003 |
1425 |
3357 |
61 |
| VCDI |
0 |
32 |
586 |
1633 |
984 |
2185 |
25905 |
15143 |
|
...date precedes bulletin
|
Date: 2025-02-11:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61107 |
23651 |
3526 |
649 |
122 |
42 |
6 |
0 |
| OW |
0 |
917 |
2710 |
1305 |
500 |
132 |
54 |
0 |
| VODI |
0 |
95 |
1337 |
1209 |
943 |
458 |
252 |
0 |
| ODI |
0 |
3 |
589 |
795 |
862 |
1001 |
517 |
0 |
| CDI |
0 |
0 |
393 |
583 |
1342 |
2469 |
3833 |
16 |
| VCDI |
0 |
0 |
222 |
471 |
1148 |
4841 |
24376 |
16368 |
|
...date precedes bulletin
|
Date: 2025-02-13:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58434 |
24549 |
3360 |
758 |
308 |
163 |
2 |
0 |
| OW |
0 |
379 |
1862 |
1231 |
1027 |
410 |
39 |
0 |
| VODI |
0 |
129 |
623 |
862 |
1152 |
855 |
263 |
0 |
| ODI |
0 |
64 |
305 |
456 |
758 |
1077 |
633 |
11 |
| CDI |
0 |
0 |
210 |
357 |
765 |
2474 |
5051 |
107 |
| VCDI |
0 |
0 |
162 |
260 |
702 |
2798 |
28783 |
17465 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58434 |
24581 |
3452 |
867 |
391 |
200 |
5 |
0 |
| OW |
0 |
373 |
1799 |
1144 |
1023 |
413 |
35 |
0 |
| VODI |
0 |
108 |
613 |
848 |
1164 |
870 |
255 |
0 |
| ODI |
0 |
59 |
277 |
457 |
682 |
1081 |
684 |
10 |
| CDI |
0 |
0 |
205 |
338 |
737 |
2414 |
5268 |
108 |
| VCDI |
0 |
0 |
176 |
270 |
715 |
2799 |
28524 |
17465 |
|
Date: 2025-02-17:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58493 |
23992 |
2404 |
608 |
141 |
29 |
3 |
0 |
| OW |
0 |
399 |
1468 |
898 |
495 |
211 |
7 |
0 |
| VODI |
0 |
18 |
544 |
1076 |
1137 |
1080 |
119 |
0 |
| ODI |
0 |
0 |
37 |
384 |
838 |
2015 |
724 |
8 |
| CDI |
0 |
0 |
16 |
133 |
474 |
2141 |
3785 |
491 |
| VCDI |
0 |
0 |
3 |
38 |
120 |
1492 |
26518 |
26505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58493 |
23882 |
2461 |
742 |
224 |
73 |
7 |
0 |
| OW |
0 |
474 |
1247 |
820 |
561 |
329 |
23 |
0 |
| VODI |
0 |
53 |
596 |
770 |
922 |
1000 |
289 |
0 |
| ODI |
0 |
0 |
129 |
489 |
658 |
1311 |
984 |
10 |
| CDI |
0 |
0 |
32 |
224 |
632 |
2471 |
4990 |
436 |
| VCDI |
0 |
0 |
7 |
92 |
208 |
1784 |
24863 |
26558 |
|
Date: 2025-02-19:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57697 |
23446 |
2967 |
417 |
136 |
39 |
0 |
0 |
| OW |
0 |
228 |
1843 |
879 |
405 |
155 |
3 |
0 |
| VODI |
0 |
54 |
697 |
1232 |
920 |
730 |
144 |
0 |
| ODI |
0 |
11 |
145 |
493 |
1074 |
1377 |
679 |
2 |
| CDI |
0 |
1 |
85 |
180 |
460 |
1885 |
5080 |
24 |
| VCDI |
0 |
0 |
85 |
150 |
280 |
1038 |
32281 |
21522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57697 |
23247 |
3101 |
624 |
237 |
96 |
0 |
0 |
| OW |
0 |
432 |
1513 |
812 |
473 |
240 |
23 |
0 |
| VODI |
0 |
51 |
841 |
1004 |
943 |
785 |
310 |
0 |
| ODI |
0 |
10 |
162 |
502 |
655 |
974 |
1129 |
4 |
| CDI |
0 |
0 |
89 |
236 |
680 |
1945 |
5161 |
46 |
| VCDI |
0 |
0 |
116 |
173 |
287 |
1184 |
31564 |
21498 |
|
Date: 2025-02-21:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56695 |
23242 |
3605 |
1254 |
285 |
64 |
1 |
0 |
| OW |
0 |
116 |
1012 |
1343 |
724 |
205 |
30 |
0 |
| VODI |
0 |
35 |
218 |
1027 |
1107 |
837 |
241 |
0 |
| ODI |
0 |
13 |
28 |
411 |
814 |
1436 |
695 |
0 |
| CDI |
0 |
5 |
28 |
206 |
677 |
2158 |
4107 |
11 |
| VCDI |
0 |
0 |
2 |
126 |
464 |
3527 |
33119 |
18976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56695 |
23153 |
3157 |
1562 |
711 |
287 |
34 |
0 |
| OW |
0 |
225 |
1151 |
892 |
679 |
505 |
145 |
0 |
| VODI |
0 |
25 |
467 |
886 |
834 |
1088 |
560 |
0 |
| ODI |
0 |
8 |
91 |
541 |
612 |
1019 |
1123 |
1 |
| CDI |
0 |
0 |
25 |
326 |
647 |
1711 |
4249 |
17 |
| VCDI |
0 |
0 |
2 |
160 |
588 |
3617 |
32082 |
18969 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICchartWebPage5.sh Fri Feb 28 02:54:29 UTC 2025 on arcval2