Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-30
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-24:
| 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 |
93012 |
14773 |
351 |
480 |
199 |
0 |
0 |
0 |
| OW |
33 |
1378 |
289 |
597 |
208 |
37 |
0 |
0 |
| VODI |
13 |
716 |
280 |
775 |
416 |
171 |
12 |
0 |
| ODI |
1 |
221 |
188 |
568 |
412 |
259 |
2 |
0 |
| CDI |
0 |
60 |
63 |
823 |
1406 |
1506 |
81 |
0 |
| VCDI |
0 |
12 |
36 |
255 |
1023 |
6487 |
20577 |
47023 |
|
...date precedes bulletin
|
Date: 2023-11-26:
| 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 |
91636 |
15317 |
413 |
466 |
112 |
0 |
0 |
0 |
| OW |
53 |
1451 |
268 |
727 |
253 |
61 |
0 |
0 |
| VODI |
13 |
701 |
213 |
812 |
534 |
275 |
0 |
0 |
| ODI |
1 |
257 |
143 |
588 |
484 |
287 |
0 |
0 |
| CDI |
0 |
120 |
84 |
751 |
1249 |
1407 |
133 |
0 |
| VCDI |
0 |
73 |
48 |
356 |
1098 |
6011 |
19301 |
49047 |
|
...date precedes bulletin
|
Date: 2023-11-28:
| 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 |
90700 |
15342 |
543 |
693 |
177 |
0 |
0 |
0 |
| OW |
34 |
1660 |
335 |
934 |
200 |
37 |
0 |
0 |
| VODI |
6 |
409 |
215 |
1164 |
569 |
84 |
0 |
0 |
| ODI |
1 |
73 |
69 |
609 |
1072 |
376 |
1 |
0 |
| CDI |
0 |
41 |
25 |
321 |
1652 |
2434 |
149 |
3 |
| VCDI |
0 |
49 |
36 |
165 |
716 |
6704 |
20852 |
46293 |
|
...date precedes bulletin
|
Date: 2023-11-30:
| 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 |
90157 |
14444 |
604 |
1070 |
196 |
38 |
0 |
0 |
| OW |
130 |
1573 |
391 |
929 |
363 |
92 |
0 |
0 |
| VODI |
12 |
483 |
296 |
1086 |
501 |
270 |
0 |
0 |
| ODI |
3 |
165 |
68 |
794 |
864 |
353 |
5 |
0 |
| CDI |
0 |
36 |
56 |
399 |
1391 |
2023 |
327 |
14 |
| VCDI |
0 |
1 |
5 |
140 |
945 |
5402 |
25778 |
43339 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90152 |
14524 |
614 |
1139 |
245 |
35 |
0 |
0 |
| OW |
132 |
1463 |
385 |
865 |
324 |
99 |
0 |
0 |
| VODI |
17 |
515 |
296 |
1098 |
519 |
273 |
2 |
0 |
| ODI |
1 |
167 |
71 |
794 |
830 |
305 |
6 |
0 |
| CDI |
0 |
32 |
48 |
386 |
1384 |
2115 |
338 |
19 |
| VCDI |
0 |
1 |
6 |
136 |
958 |
5351 |
25764 |
43334 |
|
Date: 2023-12-02:
| 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 |
88070 |
14687 |
545 |
1127 |
229 |
58 |
0 |
0 |
| OW |
98 |
1559 |
379 |
1489 |
335 |
89 |
0 |
0 |
| VODI |
15 |
431 |
195 |
1392 |
852 |
408 |
0 |
0 |
| ODI |
2 |
102 |
56 |
704 |
873 |
569 |
24 |
0 |
| CDI |
2 |
29 |
36 |
315 |
916 |
2186 |
456 |
0 |
| VCDI |
0 |
8 |
11 |
95 |
908 |
5104 |
23562 |
46827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88074 |
14815 |
611 |
1272 |
243 |
58 |
0 |
0 |
| OW |
98 |
1394 |
311 |
1394 |
315 |
108 |
0 |
0 |
| VODI |
12 |
457 |
191 |
1318 |
857 |
398 |
0 |
0 |
| ODI |
3 |
121 |
72 |
728 |
826 |
541 |
26 |
0 |
| CDI |
0 |
23 |
27 |
330 |
992 |
2233 |
492 |
2 |
| VCDI |
0 |
6 |
10 |
80 |
880 |
5076 |
23524 |
46825 |
|
Date: 2023-12-04:
| 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 |
85842 |
16818 |
562 |
552 |
148 |
9 |
0 |
0 |
| OW |
85 |
1346 |
721 |
1217 |
72 |
18 |
0 |
0 |
| VODI |
3 |
131 |
83 |
2620 |
701 |
35 |
0 |
0 |
| ODI |
0 |
17 |
8 |
386 |
2063 |
226 |
0 |
0 |
| CDI |
0 |
1 |
5 |
133 |
1121 |
2578 |
186 |
8 |
| VCDI |
0 |
0 |
0 |
4 |
233 |
4616 |
24562 |
47633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85811 |
16186 |
622 |
939 |
201 |
16 |
0 |
0 |
| OW |
113 |
1641 |
455 |
1196 |
189 |
72 |
0 |
0 |
| VODI |
6 |
360 |
214 |
1735 |
952 |
269 |
33 |
0 |
| ODI |
0 |
96 |
46 |
601 |
1317 |
300 |
72 |
0 |
| CDI |
0 |
30 |
40 |
339 |
1096 |
1599 |
717 |
9 |
| VCDI |
0 |
0 |
2 |
102 |
583 |
5226 |
23926 |
47632 |
|
Date: 2023-12-06:
| 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 |
84716 |
16890 |
696 |
884 |
167 |
0 |
0 |
0 |
| OW |
189 |
1387 |
466 |
1136 |
280 |
3 |
0 |
0 |
| VODI |
17 |
194 |
182 |
1988 |
969 |
139 |
0 |
0 |
| ODI |
0 |
36 |
17 |
440 |
1407 |
451 |
2 |
0 |
| CDI |
0 |
13 |
12 |
187 |
1028 |
2229 |
402 |
1 |
| VCDI |
0 |
1 |
9 |
80 |
412 |
4658 |
25230 |
47825 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84619 |
16156 |
595 |
818 |
253 |
9 |
0 |
0 |
| OW |
234 |
1728 |
440 |
1071 |
321 |
99 |
0 |
0 |
| VODI |
69 |
492 |
245 |
1681 |
864 |
414 |
38 |
0 |
| ODI |
0 |
90 |
49 |
580 |
1258 |
566 |
69 |
0 |
| CDI |
0 |
49 |
35 |
378 |
868 |
1507 |
615 |
0 |
| VCDI |
0 |
6 |
18 |
187 |
699 |
4885 |
24912 |
47826 |
|
Date: 2023-12-08:
| 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 |
83178 |
16946 |
848 |
915 |
142 |
25 |
0 |
0 |
| OW |
292 |
1463 |
441 |
1267 |
408 |
50 |
0 |
0 |
| VODI |
92 |
553 |
178 |
1424 |
1044 |
194 |
10 |
0 |
| ODI |
1 |
79 |
36 |
382 |
955 |
816 |
54 |
0 |
| CDI |
0 |
47 |
13 |
227 |
682 |
2506 |
628 |
6 |
| VCDI |
0 |
23 |
36 |
215 |
480 |
3383 |
21983 |
52721 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82982 |
16073 |
718 |
932 |
108 |
42 |
0 |
0 |
| OW |
361 |
1746 |
354 |
945 |
434 |
73 |
12 |
0 |
| VODI |
206 |
1023 |
354 |
1357 |
930 |
484 |
113 |
0 |
| ODI |
14 |
143 |
60 |
599 |
956 |
1100 |
68 |
0 |
| CDI |
0 |
69 |
23 |
319 |
702 |
1721 |
537 |
16 |
| VCDI |
0 |
57 |
43 |
278 |
581 |
3554 |
21945 |
52711 |
|
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