Validation of sea ice concentration - American sector
Bulletin date: 2023-12-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
2542 |
4345 |
429 |
872 |
57 |
29 |
0 |
0 |
| OW |
69 |
497 |
68 |
709 |
133 |
5 |
0 |
0 |
| VODI |
0 |
102 |
27 |
324 |
333 |
83 |
0 |
0 |
| ODI |
0 |
19 |
16 |
103 |
360 |
225 |
12 |
0 |
| CDI |
0 |
1 |
2 |
56 |
337 |
703 |
28 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
349 |
2705 |
7286 |
23027 |
|
...date precedes bulletin
|
Date: :
| 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 |
1487 |
3983 |
399 |
710 |
28 |
24 |
2 |
0 |
| OW |
35 |
1153 |
154 |
1025 |
136 |
12 |
0 |
0 |
| VODI |
4 |
175 |
46 |
397 |
368 |
98 |
0 |
0 |
| ODI |
0 |
18 |
10 |
191 |
325 |
235 |
0 |
0 |
| CDI |
0 |
1 |
2 |
60 |
256 |
708 |
190 |
22 |
| VCDI |
0 |
0 |
0 |
4 |
325 |
2812 |
10868 |
19603 |
|
...date precedes bulletin
|
Date: :
| 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 |
1815 |
5116 |
475 |
920 |
37 |
0 |
0 |
16 |
| OW |
26 |
133 |
61 |
568 |
126 |
1 |
0 |
8 |
| VODI |
5 |
26 |
6 |
375 |
364 |
48 |
0 |
7 |
| ODI |
0 |
1 |
0 |
137 |
430 |
161 |
19 |
2 |
| CDI |
0 |
0 |
0 |
11 |
270 |
666 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
100 |
1988 |
11542 |
20264 |
|
...date precedes bulletin
|
Date: :
| 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 |
2349 |
4262 |
294 |
600 |
42 |
0 |
0 |
13 |
| OW |
12 |
517 |
144 |
445 |
120 |
0 |
2 |
8 |
| VODI |
0 |
210 |
84 |
391 |
316 |
27 |
3 |
4 |
| ODI |
0 |
50 |
33 |
240 |
351 |
99 |
3 |
0 |
| CDI |
0 |
0 |
0 |
28 |
409 |
437 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
148 |
2220 |
10545 |
21409 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2352 |
4145 |
287 |
706 |
52 |
0 |
0 |
14 |
| OW |
9 |
626 |
138 |
294 |
100 |
0 |
1 |
6 |
| VODI |
0 |
194 |
73 |
345 |
305 |
22 |
3 |
5 |
| ODI |
0 |
74 |
57 |
292 |
325 |
88 |
4 |
0 |
| CDI |
0 |
0 |
0 |
65 |
407 |
395 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
197 |
2278 |
10540 |
21409 |
|
Date: :
| 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 |
1275 |
3682 |
368 |
510 |
140 |
0 |
0 |
7 |
| OW |
43 |
645 |
89 |
683 |
509 |
4 |
1 |
13 |
| VODI |
91 |
407 |
61 |
412 |
433 |
129 |
4 |
3 |
| ODI |
12 |
64 |
4 |
116 |
270 |
273 |
3 |
2 |
| CDI |
0 |
0 |
0 |
20 |
185 |
665 |
25 |
1 |
| VCDI |
0 |
0 |
0 |
3 |
135 |
1759 |
7070 |
25750 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1291 |
3865 |
337 |
455 |
359 |
0 |
0 |
8 |
| OW |
33 |
434 |
103 |
583 |
290 |
19 |
0 |
11 |
| VODI |
69 |
357 |
72 |
501 |
327 |
113 |
3 |
4 |
| ODI |
28 |
142 |
10 |
153 |
297 |
228 |
4 |
2 |
| CDI |
0 |
0 |
0 |
52 |
250 |
600 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
149 |
1870 |
7059 |
25751 |
|
Date: :
| 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 |
1001 |
3179 |
368 |
457 |
9 |
0 |
0 |
0 |
| OW |
57 |
249 |
130 |
603 |
67 |
0 |
0 |
0 |
| VODI |
3 |
60 |
43 |
653 |
429 |
4 |
0 |
0 |
| ODI |
0 |
2 |
0 |
101 |
1203 |
207 |
0 |
7 |
| CDI |
0 |
0 |
0 |
3 |
299 |
1304 |
96 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
1519 |
6553 |
27190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1033 |
2697 |
272 |
652 |
62 |
11 |
0 |
2 |
| OW |
28 |
430 |
99 |
459 |
352 |
44 |
0 |
7 |
| VODI |
0 |
263 |
108 |
457 |
798 |
253 |
0 |
13 |
| ODI |
0 |
80 |
50 |
173 |
426 |
291 |
12 |
7 |
| CDI |
0 |
20 |
12 |
68 |
301 |
598 |
152 |
4 |
| VCDI |
0 |
0 |
0 |
8 |
128 |
1837 |
6485 |
27174 |
|
Date: :
| 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 |
389 |
2419 |
224 |
725 |
127 |
0 |
0 |
0 |
| OW |
0 |
201 |
94 |
537 |
294 |
40 |
0 |
0 |
| VODI |
0 |
98 |
56 |
477 |
503 |
60 |
0 |
0 |
| ODI |
0 |
4 |
2 |
253 |
476 |
209 |
0 |
0 |
| CDI |
0 |
0 |
0 |
54 |
445 |
1065 |
45 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
346 |
2984 |
6625 |
27112 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
389 |
2415 |
176 |
489 |
242 |
37 |
0 |
0 |
| OW |
0 |
202 |
110 |
565 |
261 |
59 |
0 |
2 |
| VODI |
0 |
82 |
75 |
544 |
590 |
409 |
0 |
17 |
| ODI |
0 |
23 |
15 |
297 |
420 |
567 |
2 |
5 |
| CDI |
0 |
0 |
0 |
122 |
279 |
521 |
89 |
4 |
| VCDI |
0 |
0 |
0 |
29 |
399 |
2765 |
6579 |
27086 |
|
Date: :
| 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 |
145 |
1914 |
344 |
562 |
320 |
0 |
0 |
0 |
| OW |
8 |
233 |
81 |
453 |
402 |
33 |
0 |
0 |
| VODI |
0 |
99 |
37 |
308 |
540 |
187 |
0 |
0 |
| ODI |
0 |
24 |
16 |
158 |
293 |
323 |
0 |
0 |
| CDI |
0 |
28 |
20 |
109 |
291 |
796 |
7 |
0 |
| VCDI |
0 |
0 |
9 |
80 |
458 |
3582 |
5592 |
28414 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
151 |
1764 |
259 |
425 |
326 |
18 |
0 |
0 |
| OW |
2 |
370 |
112 |
212 |
410 |
65 |
0 |
0 |
| VODI |
0 |
124 |
88 |
451 |
455 |
322 |
0 |
15 |
| ODI |
0 |
8 |
15 |
252 |
339 |
632 |
2 |
7 |
| CDI |
0 |
31 |
23 |
255 |
288 |
697 |
33 |
5 |
| VCDI |
0 |
1 |
10 |
75 |
486 |
3187 |
5564 |
28387 |
|
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