Validation of sea ice concentration
Bulletin date: 2025-01-02
Model vs. observations, sea ice class contingency tables
Date: 2024-12-27:
| 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 |
65322 |
25429 |
2827 |
578 |
111 |
48 |
7 |
0 |
| OW |
0 |
1257 |
1430 |
387 |
126 |
87 |
12 |
0 |
| VODI |
0 |
547 |
983 |
685 |
277 |
217 |
210 |
2 |
| ODI |
0 |
197 |
503 |
498 |
372 |
512 |
806 |
9 |
| CDI |
0 |
201 |
697 |
516 |
538 |
1025 |
2571 |
31 |
| VCDI |
0 |
125 |
572 |
434 |
227 |
1096 |
28235 |
19137 |
|
...date precedes bulletin
|
Date: 2024-12-31:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-01-02:
| 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 |
63879 |
26717 |
1202 |
400 |
105 |
37 |
3 |
0 |
| OW |
0 |
1667 |
934 |
647 |
232 |
75 |
25 |
0 |
| VODI |
0 |
528 |
667 |
713 |
351 |
445 |
185 |
38 |
| ODI |
0 |
174 |
394 |
730 |
436 |
729 |
762 |
121 |
| CDI |
0 |
204 |
195 |
707 |
778 |
1747 |
4274 |
300 |
| VCDI |
0 |
215 |
165 |
563 |
751 |
1765 |
24048 |
20936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63879 |
27309 |
1440 |
562 |
166 |
56 |
3 |
0 |
| OW |
0 |
1241 |
831 |
631 |
256 |
148 |
43 |
0 |
| VODI |
0 |
490 |
634 |
779 |
358 |
532 |
276 |
53 |
| ODI |
0 |
159 |
371 |
717 |
488 |
832 |
978 |
156 |
| CDI |
0 |
163 |
138 |
652 |
852 |
1772 |
3855 |
268 |
| VCDI |
0 |
143 |
143 |
419 |
533 |
1458 |
24142 |
20918 |
|
Date: 2025-01-06:
| 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 |
62836 |
24490 |
4426 |
485 |
56 |
54 |
18 |
0 |
| OW |
0 |
795 |
1873 |
935 |
221 |
198 |
24 |
0 |
| VODI |
0 |
111 |
650 |
870 |
607 |
506 |
190 |
0 |
| ODI |
0 |
9 |
196 |
358 |
498 |
980 |
597 |
4 |
| CDI |
0 |
7 |
259 |
432 |
504 |
2112 |
3115 |
88 |
| VCDI |
0 |
0 |
81 |
153 |
301 |
2732 |
23927 |
23072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62836 |
24290 |
4068 |
562 |
110 |
121 |
24 |
0 |
| OW |
0 |
784 |
1808 |
710 |
201 |
242 |
30 |
0 |
| VODI |
0 |
227 |
797 |
805 |
432 |
556 |
176 |
0 |
| ODI |
0 |
100 |
347 |
507 |
492 |
892 |
803 |
17 |
| CDI |
0 |
11 |
326 |
401 |
584 |
2063 |
4092 |
225 |
| VCDI |
0 |
0 |
139 |
248 |
368 |
2708 |
22746 |
22922 |
|
Date: 2025-01-08:
| 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 |
60657 |
24182 |
5099 |
828 |
338 |
144 |
20 |
0 |
| OW |
0 |
229 |
1428 |
919 |
550 |
456 |
103 |
0 |
| VODI |
0 |
16 |
553 |
615 |
572 |
720 |
280 |
3 |
| ODI |
0 |
1 |
165 |
303 |
339 |
555 |
785 |
49 |
| CDI |
0 |
0 |
161 |
249 |
481 |
952 |
5822 |
518 |
| VCDI |
0 |
0 |
17 |
31 |
69 |
971 |
20772 |
28886 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60657 |
23786 |
4472 |
783 |
441 |
351 |
95 |
0 |
| OW |
0 |
559 |
1704 |
697 |
465 |
330 |
156 |
0 |
| VODI |
0 |
76 |
720 |
724 |
488 |
612 |
351 |
20 |
| ODI |
0 |
7 |
293 |
353 |
346 |
618 |
960 |
68 |
| CDI |
0 |
0 |
208 |
295 |
400 |
873 |
5886 |
375 |
| VCDI |
0 |
0 |
26 |
93 |
209 |
1014 |
20334 |
28993 |
|
Date: 2025-01-10:
| 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 |
59821 |
24330 |
4175 |
824 |
272 |
157 |
3 |
0 |
| OW |
1 |
507 |
1522 |
891 |
320 |
475 |
101 |
0 |
| VODI |
0 |
95 |
813 |
829 |
560 |
612 |
444 |
0 |
| ODI |
0 |
0 |
275 |
441 |
513 |
527 |
943 |
22 |
| CDI |
0 |
0 |
164 |
394 |
568 |
830 |
5870 |
132 |
| VCDI |
0 |
0 |
43 |
160 |
157 |
606 |
23896 |
26526 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59822 |
23829 |
3764 |
918 |
353 |
405 |
37 |
0 |
| OW |
0 |
723 |
1613 |
783 |
350 |
386 |
223 |
0 |
| VODI |
0 |
312 |
912 |
732 |
476 |
516 |
539 |
2 |
| ODI |
0 |
61 |
416 |
390 |
313 |
470 |
1430 |
62 |
| CDI |
0 |
7 |
234 |
500 |
626 |
749 |
6302 |
338 |
| VCDI |
0 |
0 |
53 |
216 |
272 |
681 |
22726 |
26278 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICchartWebPage5.sh Fri Jan 17 02:57:50 UTC 2025 on arcval