Validation of sea ice concentration - Full domain
Bulletin date: 2022-12-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-23:
| 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 |
79393 |
11050 |
107 |
493 |
277 |
342 |
0 |
0 |
| OW |
63 |
493 |
76 |
439 |
168 |
70 |
4 |
0 |
| VODI |
0 |
191 |
38 |
543 |
475 |
55 |
11 |
0 |
| ODI |
0 |
51 |
12 |
288 |
1050 |
237 |
26 |
0 |
| CDI |
0 |
32 |
4 |
130 |
993 |
1248 |
191 |
39 |
| VCDI |
0 |
15 |
8 |
107 |
1123 |
8042 |
25619 |
53545 |
|
...date precedes bulletin
|
Date: 2022-12-25:
| 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 |
78701 |
11378 |
96 |
418 |
289 |
358 |
0 |
0 |
| OW |
68 |
754 |
53 |
326 |
212 |
67 |
1 |
0 |
| VODI |
0 |
523 |
83 |
560 |
395 |
90 |
7 |
0 |
| ODI |
0 |
194 |
24 |
545 |
642 |
181 |
7 |
0 |
| CDI |
0 |
127 |
10 |
346 |
977 |
690 |
48 |
13 |
| VCDI |
0 |
56 |
22 |
171 |
1302 |
7946 |
25976 |
53392 |
|
...date precedes bulletin
|
Date: 2022-12-27:
| 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 |
78109 |
12167 |
99 |
397 |
197 |
288 |
0 |
0 |
| OW |
69 |
665 |
53 |
326 |
160 |
69 |
0 |
0 |
| VODI |
0 |
325 |
45 |
587 |
528 |
96 |
0 |
0 |
| ODI |
0 |
118 |
11 |
374 |
677 |
411 |
20 |
0 |
| CDI |
0 |
52 |
9 |
91 |
747 |
899 |
55 |
4 |
| VCDI |
0 |
26 |
13 |
202 |
1335 |
7202 |
21709 |
58913 |
|
...date precedes bulletin
|
Date: 2022-12-29:
| 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 |
78606 |
10974 |
105 |
482 |
272 |
348 |
0 |
0 |
| OW |
78 |
841 |
52 |
245 |
125 |
95 |
0 |
0 |
| VODI |
0 |
487 |
48 |
426 |
363 |
104 |
0 |
0 |
| ODI |
0 |
152 |
18 |
367 |
746 |
307 |
5 |
0 |
| CDI |
0 |
94 |
16 |
210 |
738 |
677 |
210 |
18 |
| VCDI |
0 |
119 |
22 |
269 |
1501 |
7435 |
23430 |
57063 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78602 |
11153 |
108 |
499 |
296 |
361 |
0 |
0 |
| OW |
80 |
709 |
53 |
289 |
146 |
105 |
0 |
0 |
| VODI |
2 |
419 |
41 |
409 |
380 |
140 |
0 |
0 |
| ODI |
0 |
158 |
18 |
306 |
681 |
256 |
9 |
0 |
| CDI |
0 |
105 |
17 |
206 |
725 |
665 |
176 |
21 |
| VCDI |
0 |
123 |
24 |
290 |
1517 |
7439 |
23460 |
57060 |
|
Date: 2022-12-31:
| 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 |
78204 |
11144 |
95 |
426 |
229 |
281 |
0 |
0 |
| OW |
97 |
1024 |
37 |
228 |
119 |
82 |
0 |
0 |
| VODI |
2 |
670 |
57 |
328 |
345 |
106 |
0 |
0 |
| ODI |
0 |
318 |
21 |
282 |
523 |
198 |
13 |
0 |
| CDI |
0 |
161 |
18 |
262 |
884 |
676 |
104 |
9 |
| VCDI |
0 |
260 |
31 |
434 |
1973 |
7266 |
22909 |
57232 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78198 |
11364 |
98 |
447 |
246 |
312 |
0 |
0 |
| OW |
102 |
873 |
33 |
234 |
116 |
74 |
0 |
0 |
| VODI |
3 |
567 |
56 |
334 |
375 |
122 |
0 |
0 |
| ODI |
0 |
327 |
23 |
244 |
519 |
179 |
22 |
0 |
| CDI |
0 |
167 |
16 |
247 |
842 |
646 |
104 |
12 |
| VCDI |
0 |
279 |
33 |
454 |
1975 |
7276 |
22900 |
57229 |
|
Date: 2023-01-02:
| 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 |
78545 |
10878 |
99 |
376 |
201 |
107 |
0 |
0 |
| OW |
113 |
721 |
52 |
283 |
161 |
56 |
39 |
0 |
| VODI |
0 |
586 |
24 |
341 |
300 |
101 |
22 |
0 |
| ODI |
0 |
374 |
16 |
169 |
539 |
202 |
7 |
0 |
| CDI |
0 |
264 |
31 |
182 |
662 |
1048 |
106 |
7 |
| VCDI |
0 |
409 |
41 |
477 |
1727 |
5969 |
21222 |
60591 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78540 |
10263 |
97 |
427 |
331 |
239 |
63 |
0 |
| OW |
110 |
795 |
41 |
230 |
156 |
105 |
1 |
0 |
| VODI |
8 |
910 |
32 |
250 |
310 |
126 |
9 |
0 |
| ODI |
0 |
437 |
16 |
185 |
345 |
243 |
88 |
0 |
| CDI |
0 |
423 |
22 |
152 |
532 |
695 |
220 |
13 |
| VCDI |
0 |
404 |
55 |
584 |
1916 |
6075 |
21015 |
60585 |
|
Date: 2023-01-04:
| 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 |
77156 |
11729 |
90 |
389 |
179 |
143 |
0 |
0 |
| OW |
88 |
796 |
37 |
217 |
189 |
34 |
13 |
0 |
| VODI |
0 |
546 |
37 |
331 |
361 |
62 |
49 |
0 |
| ODI |
0 |
321 |
16 |
298 |
373 |
147 |
21 |
0 |
| CDI |
0 |
218 |
20 |
363 |
562 |
702 |
92 |
18 |
| VCDI |
0 |
225 |
28 |
446 |
1545 |
6070 |
22441 |
60696 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77127 |
11176 |
75 |
379 |
353 |
254 |
81 |
0 |
| OW |
117 |
814 |
34 |
157 |
200 |
81 |
42 |
0 |
| VODI |
0 |
771 |
41 |
476 |
296 |
129 |
21 |
0 |
| ODI |
0 |
333 |
26 |
321 |
257 |
208 |
30 |
0 |
| CDI |
0 |
396 |
23 |
244 |
461 |
664 |
129 |
7 |
| VCDI |
0 |
345 |
29 |
467 |
1642 |
5822 |
22313 |
60707 |
|
Date: 2023-01-06:
| 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 |
77098 |
11388 |
88 |
395 |
178 |
109 |
17 |
0 |
| OW |
84 |
762 |
60 |
268 |
120 |
27 |
15 |
0 |
| VODI |
0 |
520 |
41 |
332 |
306 |
171 |
59 |
0 |
| ODI |
0 |
265 |
30 |
245 |
307 |
228 |
45 |
0 |
| CDI |
0 |
195 |
17 |
332 |
576 |
542 |
98 |
9 |
| VCDI |
0 |
212 |
25 |
410 |
1400 |
5666 |
21085 |
63323 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77062 |
10847 |
73 |
358 |
250 |
259 |
116 |
0 |
| OW |
93 |
780 |
42 |
214 |
89 |
188 |
58 |
0 |
| VODI |
26 |
618 |
66 |
358 |
354 |
229 |
40 |
0 |
| ODI |
1 |
321 |
23 |
245 |
277 |
193 |
44 |
0 |
| CDI |
0 |
354 |
26 |
280 |
407 |
378 |
155 |
70 |
| VCDI |
0 |
422 |
31 |
527 |
1510 |
5496 |
20906 |
63262 |
|
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