Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-25
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-19:
| 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 |
69324 |
15039 |
202 |
383 |
28 |
0 |
0 |
0 |
| OW |
37 |
1922 |
268 |
476 |
112 |
6 |
0 |
0 |
| VODI |
13 |
725 |
287 |
714 |
331 |
41 |
0 |
0 |
| ODI |
8 |
292 |
97 |
485 |
411 |
163 |
39 |
0 |
| CDI |
12 |
65 |
126 |
487 |
949 |
1097 |
348 |
15 |
| VCDI |
0 |
2 |
3 |
294 |
1673 |
9561 |
25967 |
62741 |
|
...date precedes bulletin
|
Date: 2024-01-21:
| 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 |
68288 |
15484 |
324 |
234 |
30 |
0 |
0 |
0 |
| OW |
0 |
1535 |
370 |
719 |
73 |
11 |
0 |
0 |
| VODI |
0 |
445 |
194 |
1003 |
378 |
34 |
0 |
0 |
| ODI |
0 |
241 |
53 |
551 |
584 |
180 |
9 |
0 |
| CDI |
0 |
120 |
93 |
430 |
1023 |
1651 |
624 |
39 |
| VCDI |
0 |
2 |
2 |
122 |
1150 |
7748 |
28053 |
62946 |
|
...date precedes bulletin
|
Date: 2024-01-23:
| 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 |
66819 |
16460 |
281 |
232 |
27 |
0 |
0 |
0 |
| OW |
18 |
1353 |
404 |
752 |
78 |
0 |
0 |
0 |
| VODI |
0 |
298 |
174 |
1172 |
544 |
26 |
0 |
0 |
| ODI |
0 |
82 |
57 |
515 |
1030 |
140 |
3 |
0 |
| CDI |
0 |
41 |
48 |
268 |
1260 |
1975 |
397 |
34 |
| VCDI |
0 |
6 |
22 |
143 |
782 |
5884 |
22255 |
71163 |
|
...date precedes bulletin
|
Date: 2024-01-25:
| 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 |
66703 |
15802 |
248 |
245 |
26 |
0 |
0 |
0 |
| OW |
3 |
1405 |
370 |
595 |
115 |
1 |
0 |
0 |
| VODI |
0 |
518 |
272 |
1144 |
398 |
63 |
0 |
0 |
| ODI |
0 |
188 |
115 |
664 |
822 |
198 |
0 |
0 |
| CDI |
0 |
110 |
68 |
466 |
1425 |
1751 |
328 |
66 |
| VCDI |
0 |
41 |
44 |
324 |
851 |
6369 |
23909 |
69096 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66705 |
15941 |
275 |
280 |
34 |
0 |
0 |
0 |
| OW |
1 |
1287 |
342 |
589 |
122 |
3 |
0 |
0 |
| VODI |
0 |
504 |
278 |
1083 |
420 |
60 |
0 |
0 |
| ODI |
0 |
189 |
108 |
662 |
783 |
233 |
0 |
0 |
| CDI |
0 |
107 |
65 |
501 |
1427 |
1754 |
316 |
48 |
| VCDI |
0 |
36 |
49 |
323 |
851 |
6332 |
23921 |
69114 |
|
Date: 2024-01-27:
| 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 |
66639 |
15238 |
193 |
201 |
8 |
0 |
0 |
0 |
| OW |
6 |
1375 |
373 |
557 |
181 |
8 |
0 |
0 |
| VODI |
1 |
614 |
235 |
1189 |
525 |
84 |
0 |
0 |
| ODI |
0 |
241 |
94 |
538 |
1001 |
189 |
3 |
0 |
| CDI |
0 |
241 |
105 |
403 |
1455 |
1351 |
346 |
81 |
| VCDI |
0 |
170 |
98 |
486 |
1140 |
6352 |
28333 |
64689 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66641 |
15357 |
212 |
235 |
12 |
0 |
0 |
0 |
| OW |
4 |
1284 |
365 |
557 |
173 |
9 |
0 |
0 |
| VODI |
1 |
618 |
227 |
1144 |
565 |
84 |
0 |
0 |
| ODI |
0 |
227 |
88 |
525 |
981 |
202 |
3 |
0 |
| CDI |
0 |
220 |
109 |
429 |
1437 |
1336 |
308 |
56 |
| VCDI |
0 |
173 |
97 |
484 |
1142 |
6353 |
28371 |
64714 |
|
Date: 2024-01-29:
| 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 |
66565 |
15707 |
194 |
118 |
17 |
0 |
0 |
0 |
| OW |
26 |
1960 |
627 |
505 |
77 |
0 |
0 |
0 |
| VODI |
7 |
289 |
147 |
1553 |
425 |
17 |
0 |
0 |
| ODI |
0 |
118 |
32 |
381 |
1128 |
213 |
1 |
0 |
| CDI |
0 |
211 |
126 |
494 |
1244 |
1684 |
193 |
7 |
| VCDI |
0 |
50 |
29 |
270 |
1236 |
6885 |
24915 |
67292 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66563 |
15343 |
198 |
165 |
15 |
0 |
0 |
0 |
| OW |
14 |
1331 |
404 |
538 |
131 |
27 |
0 |
0 |
| VODI |
13 |
786 |
215 |
957 |
445 |
157 |
1 |
0 |
| ODI |
8 |
303 |
112 |
554 |
706 |
205 |
4 |
0 |
| CDI |
0 |
301 |
108 |
503 |
1196 |
1035 |
435 |
21 |
| VCDI |
0 |
271 |
118 |
604 |
1634 |
7375 |
24669 |
67278 |
|
Date: 2024-01-31:
| 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 |
66696 |
15257 |
195 |
143 |
35 |
0 |
0 |
0 |
| OW |
60 |
1949 |
358 |
442 |
83 |
9 |
0 |
0 |
| VODI |
12 |
579 |
324 |
1104 |
394 |
41 |
0 |
0 |
| ODI |
0 |
157 |
41 |
638 |
1045 |
219 |
3 |
0 |
| CDI |
0 |
290 |
86 |
519 |
1589 |
1629 |
376 |
30 |
| VCDI |
0 |
326 |
102 |
644 |
1332 |
8259 |
26061 |
63716 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66641 |
14727 |
233 |
207 |
69 |
7 |
0 |
0 |
| OW |
74 |
1477 |
268 |
456 |
121 |
45 |
0 |
0 |
| VODI |
42 |
813 |
239 |
742 |
406 |
157 |
7 |
0 |
| ODI |
11 |
395 |
112 |
585 |
701 |
166 |
37 |
0 |
| CDI |
0 |
660 |
113 |
689 |
1447 |
1080 |
509 |
35 |
| VCDI |
0 |
486 |
141 |
811 |
1734 |
8702 |
25887 |
63711 |
|
Date: 2024-02-02:
| 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 |
65212 |
15920 |
307 |
409 |
43 |
0 |
0 |
0 |
| OW |
94 |
1674 |
293 |
671 |
126 |
11 |
0 |
0 |
| VODI |
31 |
602 |
232 |
1227 |
485 |
69 |
0 |
0 |
| ODI |
0 |
178 |
65 |
544 |
1048 |
212 |
24 |
0 |
| CDI |
0 |
306 |
76 |
540 |
1570 |
2055 |
495 |
73 |
| VCDI |
0 |
586 |
120 |
708 |
1584 |
9551 |
24995 |
62607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65064 |
15443 |
326 |
672 |
138 |
3 |
0 |
0 |
| OW |
133 |
1270 |
266 |
516 |
228 |
41 |
4 |
0 |
| VODI |
107 |
709 |
167 |
825 |
460 |
128 |
38 |
0 |
| ODI |
33 |
382 |
82 |
565 |
715 |
225 |
36 |
0 |
| CDI |
0 |
572 |
72 |
480 |
1361 |
1432 |
460 |
20 |
| VCDI |
0 |
890 |
180 |
1041 |
1954 |
10069 |
24976 |
62660 |
|
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