Validation of sea ice concentration - American sector
Bulletin date: 2024-11-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-01:
| 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 |
25581 |
5132 |
404 |
444 |
53 |
0 |
0 |
0 |
| OW |
6 |
390 |
180 |
684 |
163 |
5 |
0 |
0 |
| VODI |
3 |
55 |
68 |
524 |
534 |
76 |
3 |
0 |
| ODI |
0 |
6 |
5 |
104 |
515 |
191 |
9 |
0 |
| CDI |
0 |
6 |
8 |
26 |
538 |
529 |
201 |
0 |
| VCDI |
0 |
1 |
0 |
9 |
128 |
2011 |
10470 |
12169 |
|
...date precedes bulletin
|
Date: 2024-11-03:
| 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 |
25161 |
4379 |
332 |
369 |
33 |
0 |
0 |
0 |
| OW |
35 |
396 |
234 |
872 |
259 |
14 |
0 |
0 |
| VODI |
3 |
75 |
74 |
499 |
517 |
152 |
0 |
0 |
| ODI |
0 |
1 |
7 |
130 |
500 |
318 |
0 |
0 |
| CDI |
0 |
0 |
1 |
68 |
342 |
542 |
105 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
143 |
2400 |
8916 |
14337 |
|
...date precedes bulletin
|
Date: 2024-11-05:
| 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 |
24479 |
3713 |
304 |
581 |
45 |
0 |
0 |
0 |
| OW |
23 |
312 |
205 |
880 |
120 |
0 |
0 |
0 |
| VODI |
12 |
8 |
10 |
747 |
570 |
21 |
0 |
0 |
| ODI |
0 |
0 |
0 |
99 |
743 |
209 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
432 |
958 |
69 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
76 |
2296 |
9635 |
14649 |
|
...date precedes bulletin
|
Date: 2024-11-07:
| 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 |
23867 |
3476 |
195 |
491 |
106 |
4 |
0 |
0 |
| OW |
25 |
276 |
125 |
681 |
409 |
40 |
0 |
0 |
| VODI |
7 |
143 |
41 |
482 |
756 |
286 |
0 |
0 |
| ODI |
6 |
11 |
9 |
117 |
550 |
374 |
2 |
0 |
| CDI |
0 |
5 |
0 |
38 |
349 |
1015 |
69 |
0 |
| VCDI |
0 |
2 |
2 |
12 |
75 |
1961 |
9683 |
15541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23866 |
3569 |
228 |
590 |
98 |
0 |
0 |
0 |
| OW |
26 |
228 |
116 |
661 |
441 |
43 |
0 |
0 |
| VODI |
12 |
106 |
21 |
408 |
751 |
305 |
0 |
0 |
| ODI |
1 |
4 |
5 |
124 |
544 |
389 |
3 |
0 |
| CDI |
0 |
4 |
0 |
24 |
314 |
971 |
86 |
0 |
| VCDI |
0 |
2 |
2 |
14 |
97 |
1972 |
9665 |
15541 |
|
Date: 2024-11-09:
| 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 |
23162 |
3115 |
297 |
599 |
22 |
0 |
0 |
0 |
| OW |
10 |
302 |
108 |
517 |
381 |
25 |
0 |
0 |
| VODI |
3 |
81 |
31 |
266 |
615 |
435 |
7 |
0 |
| ODI |
0 |
28 |
11 |
143 |
483 |
668 |
18 |
0 |
| CDI |
0 |
26 |
5 |
86 |
352 |
1052 |
117 |
0 |
| VCDI |
0 |
3 |
7 |
56 |
107 |
1355 |
9106 |
17632 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23154 |
3189 |
329 |
700 |
64 |
0 |
0 |
0 |
| OW |
18 |
237 |
73 |
425 |
333 |
19 |
0 |
0 |
| VODI |
3 |
76 |
35 |
284 |
640 |
456 |
6 |
0 |
| ODI |
0 |
24 |
8 |
133 |
488 |
626 |
18 |
0 |
| CDI |
0 |
18 |
8 |
61 |
320 |
1020 |
117 |
0 |
| VCDI |
0 |
11 |
6 |
64 |
115 |
1414 |
9107 |
17632 |
|
Date: 2024-11-11:
| 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 |
22873 |
2631 |
232 |
590 |
86 |
0 |
0 |
0 |
| OW |
50 |
323 |
139 |
291 |
154 |
0 |
0 |
0 |
| VODI |
6 |
13 |
17 |
359 |
382 |
17 |
0 |
0 |
| ODI |
0 |
7 |
4 |
68 |
992 |
200 |
0 |
0 |
| CDI |
0 |
4 |
1 |
33 |
506 |
2138 |
49 |
2 |
| VCDI |
0 |
0 |
0 |
9 |
126 |
1467 |
9151 |
18311 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22853 |
2484 |
224 |
642 |
167 |
2 |
0 |
0 |
| OW |
66 |
300 |
93 |
326 |
357 |
22 |
0 |
0 |
| VODI |
10 |
114 |
42 |
213 |
530 |
227 |
2 |
0 |
| ODI |
0 |
36 |
11 |
83 |
486 |
695 |
33 |
0 |
| CDI |
0 |
25 |
17 |
38 |
438 |
1012 |
100 |
0 |
| VCDI |
0 |
19 |
6 |
48 |
268 |
1864 |
9065 |
18313 |
|
Date: 2024-11-13:
| 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 |
22423 |
2508 |
282 |
508 |
234 |
0 |
0 |
0 |
| OW |
71 |
263 |
104 |
421 |
153 |
3 |
0 |
0 |
| VODI |
5 |
65 |
33 |
318 |
292 |
38 |
0 |
0 |
| ODI |
0 |
16 |
4 |
116 |
409 |
176 |
11 |
0 |
| CDI |
0 |
7 |
1 |
12 |
309 |
1127 |
184 |
1 |
| VCDI |
0 |
4 |
1 |
15 |
223 |
2442 |
7973 |
20479 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22358 |
2182 |
212 |
450 |
269 |
0 |
0 |
0 |
| OW |
119 |
404 |
116 |
399 |
196 |
20 |
0 |
0 |
| VODI |
21 |
141 |
63 |
366 |
447 |
147 |
6 |
0 |
| ODI |
1 |
68 |
13 |
87 |
232 |
484 |
40 |
0 |
| CDI |
0 |
29 |
15 |
58 |
257 |
1192 |
224 |
0 |
| VCDI |
0 |
39 |
6 |
30 |
219 |
1943 |
7898 |
20480 |
|
Date: 2024-11-15:
| 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 |
22209 |
1868 |
227 |
484 |
77 |
0 |
0 |
0 |
| OW |
114 |
346 |
80 |
617 |
270 |
0 |
0 |
0 |
| VODI |
18 |
116 |
25 |
367 |
368 |
22 |
0 |
0 |
| ODI |
1 |
27 |
14 |
138 |
448 |
122 |
12 |
0 |
| CDI |
0 |
12 |
2 |
27 |
236 |
690 |
117 |
4 |
| VCDI |
0 |
0 |
0 |
5 |
108 |
2200 |
7389 |
22471 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22053 |
1705 |
186 |
454 |
147 |
0 |
0 |
0 |
| OW |
216 |
286 |
69 |
516 |
276 |
1 |
0 |
0 |
| VODI |
70 |
211 |
41 |
420 |
532 |
100 |
17 |
0 |
| ODI |
3 |
78 |
12 |
110 |
271 |
315 |
57 |
0 |
| CDI |
0 |
57 |
27 |
79 |
154 |
920 |
400 |
49 |
| VCDI |
0 |
32 |
13 |
59 |
127 |
1698 |
7044 |
22426 |
|
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