Validation of sea ice concentration - American sector
Bulletin date: 2022-12-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-25:
| 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 |
3186 |
3995 |
45 |
447 |
162 |
0 |
0 |
0 |
| OW |
76 |
963 |
53 |
331 |
134 |
3 |
0 |
0 |
| VODI |
18 |
202 |
26 |
353 |
300 |
24 |
0 |
0 |
| ODI |
0 |
20 |
5 |
143 |
390 |
85 |
0 |
0 |
| CDI |
0 |
8 |
2 |
40 |
422 |
219 |
34 |
5 |
| VCDI |
0 |
0 |
0 |
16 |
484 |
4152 |
10016 |
19507 |
|
...date precedes bulletin
|
Date: 2022-11-27:
| 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 |
2752 |
3589 |
48 |
296 |
162 |
1 |
0 |
0 |
| OW |
97 |
931 |
57 |
479 |
261 |
16 |
0 |
0 |
| VODI |
43 |
233 |
26 |
195 |
487 |
102 |
0 |
0 |
| ODI |
0 |
41 |
4 |
90 |
235 |
289 |
13 |
0 |
| CDI |
0 |
22 |
2 |
25 |
171 |
499 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
223 |
2930 |
10564 |
20859 |
|
...date precedes bulletin
|
Date: 2022-11-29:
| 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 |
2716 |
3240 |
29 |
164 |
57 |
5 |
0 |
0 |
| OW |
86 |
684 |
72 |
369 |
166 |
59 |
0 |
0 |
| VODI |
12 |
214 |
26 |
582 |
413 |
98 |
0 |
0 |
| ODI |
0 |
32 |
4 |
82 |
609 |
166 |
0 |
0 |
| CDI |
0 |
6 |
2 |
23 |
261 |
640 |
14 |
0 |
| VCDI |
0 |
0 |
2 |
9 |
147 |
3369 |
9583 |
21925 |
|
...date precedes bulletin
|
Date: 2022-12-01:
| 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 |
2389 |
2990 |
23 |
105 |
12 |
0 |
0 |
0 |
| OW |
44 |
862 |
62 |
400 |
170 |
9 |
0 |
0 |
| VODI |
8 |
467 |
44 |
430 |
410 |
120 |
0 |
0 |
| ODI |
0 |
96 |
15 |
148 |
433 |
139 |
0 |
0 |
| CDI |
0 |
16 |
9 |
41 |
297 |
651 |
3 |
0 |
| VCDI |
0 |
22 |
2 |
27 |
222 |
2970 |
5900 |
26330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2402 |
3282 |
44 |
220 |
31 |
1 |
0 |
0 |
| OW |
29 |
694 |
47 |
361 |
165 |
17 |
0 |
0 |
| VODI |
10 |
381 |
40 |
383 |
409 |
103 |
0 |
0 |
| ODI |
0 |
59 |
13 |
115 |
407 |
113 |
0 |
0 |
| CDI |
0 |
18 |
9 |
46 |
297 |
614 |
5 |
0 |
| VCDI |
0 |
19 |
2 |
26 |
235 |
3041 |
5898 |
26330 |
|
Date: 2022-12-03:
| 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 |
1248 |
3145 |
40 |
156 |
101 |
0 |
0 |
0 |
| OW |
26 |
1057 |
49 |
421 |
247 |
28 |
0 |
0 |
| VODI |
1 |
371 |
40 |
378 |
560 |
294 |
0 |
0 |
| ODI |
0 |
137 |
23 |
152 |
327 |
311 |
0 |
0 |
| CDI |
0 |
21 |
6 |
74 |
285 |
573 |
148 |
4 |
| VCDI |
0 |
1 |
2 |
15 |
333 |
4319 |
9798 |
21175 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1241 |
3453 |
56 |
278 |
206 |
7 |
0 |
0 |
| OW |
33 |
814 |
45 |
375 |
183 |
45 |
0 |
0 |
| VODI |
1 |
358 |
33 |
353 |
514 |
253 |
0 |
0 |
| ODI |
0 |
87 |
14 |
114 |
377 |
288 |
1 |
0 |
| CDI |
0 |
19 |
9 |
59 |
261 |
541 |
141 |
2 |
| VCDI |
0 |
1 |
3 |
17 |
312 |
4391 |
9804 |
21177 |
|
Date: 2022-12-05:
| 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 |
245 |
3786 |
37 |
80 |
6 |
0 |
0 |
0 |
| OW |
0 |
936 |
74 |
547 |
68 |
0 |
0 |
0 |
| VODI |
0 |
440 |
42 |
807 |
576 |
41 |
0 |
0 |
| ODI |
0 |
75 |
8 |
187 |
651 |
323 |
61 |
0 |
| CDI |
0 |
20 |
2 |
75 |
368 |
934 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
555 |
5130 |
10237 |
19372 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
245 |
3531 |
62 |
254 |
128 |
33 |
0 |
0 |
| OW |
0 |
986 |
25 |
302 |
194 |
57 |
11 |
0 |
| VODI |
0 |
655 |
49 |
596 |
450 |
218 |
31 |
0 |
| ODI |
0 |
83 |
21 |
326 |
410 |
305 |
39 |
0 |
| CDI |
0 |
2 |
6 |
166 |
380 |
368 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
91 |
662 |
5447 |
10291 |
19372 |
|
Date: 2022-12-07:
| 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 |
3 |
2016 |
66 |
398 |
0 |
0 |
0 |
0 |
| OW |
0 |
825 |
66 |
796 |
420 |
10 |
0 |
0 |
| VODI |
0 |
248 |
26 |
534 |
1277 |
107 |
1 |
0 |
| ODI |
0 |
59 |
6 |
140 |
592 |
366 |
39 |
0 |
| CDI |
0 |
10 |
5 |
66 |
299 |
839 |
342 |
9 |
| VCDI |
0 |
0 |
0 |
22 |
563 |
4843 |
10707 |
20166 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3 |
2061 |
71 |
612 |
253 |
0 |
0 |
0 |
| OW |
0 |
789 |
58 |
514 |
414 |
101 |
2 |
0 |
| VODI |
0 |
288 |
28 |
518 |
1014 |
298 |
105 |
0 |
| ODI |
0 |
20 |
12 |
185 |
703 |
433 |
165 |
0 |
| CDI |
0 |
0 |
0 |
81 |
280 |
709 |
209 |
9 |
| VCDI |
0 |
0 |
0 |
46 |
487 |
4624 |
10608 |
20166 |
|
Date: 2022-12-09:
| 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 |
4 |
727 |
38 |
101 |
213 |
66 |
0 |
0 |
| OW |
0 |
352 |
32 |
478 |
668 |
100 |
0 |
0 |
| VODI |
0 |
82 |
9 |
200 |
1106 |
645 |
11 |
0 |
| ODI |
0 |
48 |
4 |
66 |
786 |
904 |
36 |
0 |
| CDI |
0 |
8 |
4 |
37 |
246 |
1103 |
278 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
123 |
3694 |
10519 |
23174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4 |
788 |
45 |
249 |
494 |
191 |
0 |
0 |
| OW |
0 |
234 |
22 |
321 |
586 |
238 |
15 |
0 |
| VODI |
0 |
137 |
10 |
218 |
1199 |
716 |
37 |
0 |
| ODI |
0 |
58 |
9 |
84 |
547 |
987 |
254 |
0 |
| CDI |
0 |
0 |
1 |
10 |
203 |
1199 |
307 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
3181 |
10231 |
23165 |
|
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