Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-23:
| 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 |
66003 |
16827 |
470 |
657 |
387 |
99 |
82 |
0 |
| OW |
53 |
532 |
151 |
348 |
221 |
85 |
26 |
0 |
| VODI |
0 |
291 |
95 |
355 |
421 |
191 |
72 |
0 |
| ODI |
0 |
177 |
53 |
181 |
429 |
312 |
150 |
0 |
| CDI |
0 |
118 |
76 |
221 |
539 |
617 |
405 |
0 |
| VCDI |
0 |
84 |
49 |
306 |
1034 |
5618 |
32302 |
57011 |
|
...date precedes bulletin
|
Date: 2024-02-25:
| 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 |
66473 |
16646 |
336 |
574 |
257 |
134 |
73 |
0 |
| OW |
53 |
684 |
155 |
260 |
160 |
104 |
30 |
0 |
| VODI |
0 |
460 |
143 |
403 |
239 |
178 |
70 |
0 |
| ODI |
0 |
235 |
92 |
324 |
297 |
262 |
134 |
0 |
| CDI |
0 |
213 |
62 |
222 |
368 |
538 |
392 |
0 |
| VCDI |
0 |
262 |
135 |
358 |
1088 |
6540 |
30918 |
57176 |
|
...date precedes bulletin
|
Date: 2024-02-27:
| 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 |
65371 |
17306 |
451 |
671 |
414 |
191 |
79 |
0 |
| OW |
52 |
539 |
195 |
404 |
243 |
86 |
5 |
0 |
| VODI |
0 |
362 |
110 |
456 |
526 |
204 |
32 |
0 |
| ODI |
0 |
121 |
75 |
244 |
598 |
317 |
110 |
0 |
| CDI |
0 |
103 |
41 |
170 |
597 |
987 |
464 |
25 |
| VCDI |
0 |
198 |
52 |
181 |
710 |
6425 |
33514 |
54419 |
|
...date precedes bulletin
|
Date: 2024-02-29:
| 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 |
65977 |
17027 |
342 |
648 |
261 |
226 |
58 |
0 |
| OW |
52 |
937 |
145 |
368 |
156 |
66 |
12 |
0 |
| VODI |
0 |
555 |
138 |
414 |
328 |
141 |
58 |
0 |
| ODI |
0 |
296 |
74 |
233 |
506 |
219 |
106 |
0 |
| CDI |
0 |
180 |
65 |
172 |
486 |
547 |
444 |
12 |
| VCDI |
0 |
214 |
99 |
401 |
1321 |
6313 |
33841 |
53610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65977 |
17135 |
358 |
716 |
286 |
229 |
56 |
0 |
| OW |
52 |
907 |
144 |
338 |
139 |
63 |
18 |
0 |
| VODI |
0 |
485 |
130 |
394 |
345 |
142 |
55 |
0 |
| ODI |
0 |
269 |
64 |
201 |
537 |
209 |
97 |
0 |
| CDI |
0 |
182 |
62 |
166 |
422 |
521 |
419 |
6 |
| VCDI |
0 |
231 |
105 |
421 |
1329 |
6348 |
33874 |
53616 |
|
Date: 2024-03-02:
| 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 |
66566 |
16377 |
403 |
565 |
224 |
149 |
40 |
0 |
| OW |
52 |
743 |
107 |
360 |
174 |
81 |
10 |
0 |
| VODI |
0 |
596 |
184 |
446 |
333 |
152 |
62 |
0 |
| ODI |
0 |
276 |
70 |
337 |
460 |
232 |
110 |
0 |
| CDI |
0 |
237 |
64 |
219 |
593 |
679 |
364 |
3 |
| VCDI |
0 |
230 |
94 |
486 |
1232 |
7505 |
31228 |
55005 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66566 |
16358 |
407 |
614 |
227 |
155 |
42 |
0 |
| OW |
52 |
776 |
114 |
341 |
181 |
78 |
12 |
0 |
| VODI |
0 |
569 |
162 |
459 |
371 |
153 |
65 |
0 |
| ODI |
0 |
257 |
91 |
297 |
482 |
249 |
101 |
0 |
| CDI |
0 |
225 |
48 |
221 |
518 |
643 |
333 |
4 |
| VCDI |
0 |
274 |
100 |
481 |
1237 |
7520 |
31261 |
55004 |
|
Date: 2024-03-04:
| 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 |
65235 |
17398 |
481 |
680 |
288 |
133 |
81 |
0 |
| OW |
52 |
639 |
215 |
401 |
218 |
66 |
3 |
0 |
| VODI |
0 |
231 |
155 |
600 |
541 |
185 |
16 |
0 |
| ODI |
0 |
58 |
56 |
271 |
787 |
391 |
70 |
0 |
| CDI |
0 |
25 |
42 |
236 |
745 |
1297 |
441 |
2 |
| VCDI |
0 |
14 |
23 |
146 |
702 |
6300 |
31815 |
56009 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65235 |
16973 |
460 |
784 |
409 |
171 |
81 |
0 |
| OW |
52 |
606 |
166 |
321 |
288 |
120 |
6 |
0 |
| VODI |
0 |
393 |
131 |
415 |
456 |
230 |
47 |
0 |
| ODI |
0 |
162 |
69 |
212 |
539 |
312 |
77 |
0 |
| CDI |
0 |
127 |
52 |
225 |
502 |
786 |
390 |
14 |
| VCDI |
0 |
104 |
94 |
377 |
1087 |
6753 |
31825 |
55997 |
|
Date: 2024-03-06:
| 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 |
65759 |
17169 |
429 |
716 |
293 |
152 |
47 |
0 |
| OW |
52 |
502 |
178 |
378 |
211 |
125 |
9 |
0 |
| VODI |
0 |
229 |
141 |
515 |
469 |
262 |
23 |
0 |
| ODI |
0 |
91 |
45 |
288 |
408 |
442 |
68 |
0 |
| CDI |
0 |
52 |
46 |
252 |
692 |
1320 |
363 |
4 |
| VCDI |
0 |
21 |
43 |
153 |
462 |
5197 |
29425 |
60017 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65758 |
16557 |
409 |
843 |
403 |
215 |
52 |
0 |
| OW |
53 |
650 |
132 |
237 |
252 |
153 |
16 |
0 |
| VODI |
0 |
394 |
120 |
362 |
322 |
276 |
45 |
0 |
| ODI |
0 |
173 |
65 |
281 |
306 |
394 |
74 |
0 |
| CDI |
0 |
152 |
69 |
254 |
511 |
1163 |
377 |
16 |
| VCDI |
0 |
138 |
87 |
325 |
741 |
5297 |
29371 |
60005 |
|
Date: 2024-03-08:
| 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 |
65416 |
17180 |
484 |
836 |
402 |
142 |
55 |
0 |
| OW |
52 |
456 |
146 |
342 |
239 |
153 |
15 |
0 |
| VODI |
0 |
212 |
101 |
403 |
571 |
243 |
38 |
0 |
| ODI |
0 |
103 |
40 |
192 |
501 |
502 |
69 |
0 |
| CDI |
0 |
49 |
56 |
209 |
596 |
1460 |
524 |
0 |
| VCDI |
0 |
33 |
21 |
125 |
502 |
4313 |
26900 |
63367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65415 |
16739 |
436 |
882 |
525 |
217 |
57 |
0 |
| OW |
53 |
601 |
127 |
287 |
291 |
149 |
31 |
0 |
| VODI |
0 |
312 |
108 |
275 |
433 |
321 |
37 |
0 |
| ODI |
0 |
160 |
53 |
149 |
322 |
478 |
103 |
0 |
| CDI |
0 |
130 |
67 |
257 |
430 |
1081 |
401 |
1 |
| VCDI |
0 |
91 |
57 |
257 |
810 |
4567 |
26972 |
63366 |
|
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