Validation of sea ice concentration - American sector
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-29:
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 |
6576 |
1635 |
20 |
25 |
1 |
0 |
0 |
0 |
OW |
149 |
623 |
28 |
69 |
39 |
25 |
0 |
0 |
VODI |
1 |
239 |
63 |
116 |
136 |
116 |
4 |
0 |
ODI |
0 |
23 |
13 |
57 |
204 |
231 |
38 |
0 |
CDI |
0 |
11 |
7 |
28 |
206 |
625 |
140 |
0 |
VCDI |
0 |
5 |
5 |
35 |
122 |
1917 |
11139 |
21195 |
|
...date precedes bulletin
|
Date: 2024-12-01:
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 |
5869 |
2101 |
26 |
33 |
4 |
0 |
0 |
0 |
OW |
0 |
592 |
64 |
123 |
46 |
33 |
2 |
0 |
VODI |
0 |
130 |
72 |
152 |
127 |
139 |
39 |
0 |
ODI |
0 |
10 |
16 |
109 |
122 |
217 |
80 |
0 |
CDI |
0 |
5 |
2 |
18 |
85 |
495 |
213 |
0 |
VCDI |
0 |
0 |
3 |
18 |
193 |
1945 |
7797 |
24986 |
|
...date precedes bulletin
|
Date: 2024-12-03:
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 |
5021 |
2035 |
48 |
48 |
17 |
0 |
0 |
0 |
OW |
2 |
451 |
110 |
409 |
225 |
5 |
0 |
0 |
VODI |
0 |
44 |
29 |
205 |
180 |
64 |
2 |
0 |
ODI |
0 |
4 |
3 |
60 |
278 |
158 |
29 |
0 |
CDI |
0 |
2 |
1 |
6 |
104 |
647 |
165 |
0 |
VCDI |
0 |
1 |
0 |
9 |
151 |
1852 |
9720 |
23781 |
|
...date precedes bulletin
|
Date: 2024-12-05:
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 |
4344 |
1696 |
22 |
32 |
11 |
0 |
0 |
0 |
OW |
7 |
794 |
54 |
120 |
86 |
13 |
0 |
0 |
VODI |
0 |
345 |
86 |
172 |
297 |
408 |
0 |
0 |
ODI |
0 |
5 |
8 |
76 |
231 |
218 |
20 |
0 |
CDI |
0 |
0 |
0 |
15 |
179 |
378 |
242 |
2 |
VCDI |
0 |
0 |
0 |
19 |
170 |
1752 |
8846 |
25218 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
4349 |
1839 |
36 |
60 |
18 |
0 |
0 |
0 |
OW |
2 |
708 |
51 |
113 |
124 |
57 |
0 |
0 |
VODI |
0 |
290 |
83 |
185 |
293 |
447 |
1 |
0 |
ODI |
0 |
3 |
0 |
55 |
260 |
242 |
60 |
0 |
CDI |
0 |
0 |
0 |
4 |
136 |
372 |
278 |
0 |
VCDI |
0 |
0 |
0 |
17 |
143 |
1651 |
8769 |
25220 |
|
Date: 2024-12-07:
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 |
3642 |
1692 |
16 |
23 |
10 |
0 |
0 |
0 |
OW |
88 |
656 |
38 |
106 |
61 |
0 |
0 |
0 |
VODI |
0 |
319 |
51 |
128 |
281 |
91 |
0 |
0 |
ODI |
0 |
81 |
28 |
133 |
372 |
543 |
92 |
0 |
CDI |
0 |
0 |
1 |
14 |
187 |
480 |
149 |
0 |
VCDI |
0 |
0 |
0 |
5 |
74 |
1414 |
12536 |
22555 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
3692 |
1911 |
26 |
47 |
34 |
0 |
0 |
0 |
OW |
38 |
462 |
33 |
100 |
95 |
3 |
0 |
0 |
VODI |
0 |
275 |
44 |
138 |
274 |
113 |
0 |
0 |
ODI |
0 |
100 |
31 |
122 |
412 |
554 |
72 |
0 |
CDI |
0 |
0 |
0 |
2 |
123 |
480 |
366 |
19 |
VCDI |
0 |
0 |
0 |
0 |
47 |
1378 |
12339 |
22536 |
|
Date: 2024-12-09:
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 |
3177 |
1843 |
22 |
10 |
0 |
0 |
0 |
0 |
OW |
73 |
956 |
56 |
68 |
3 |
0 |
0 |
0 |
VODI |
1 |
150 |
80 |
236 |
167 |
2 |
0 |
0 |
ODI |
0 |
3 |
10 |
100 |
551 |
133 |
0 |
0 |
CDI |
0 |
0 |
2 |
10 |
175 |
687 |
169 |
0 |
VCDI |
0 |
1 |
4 |
25 |
203 |
2038 |
12613 |
22298 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
3152 |
1807 |
52 |
47 |
13 |
0 |
0 |
0 |
OW |
98 |
501 |
24 |
85 |
45 |
0 |
0 |
0 |
VODI |
1 |
422 |
29 |
121 |
197 |
71 |
0 |
0 |
ODI |
0 |
170 |
48 |
99 |
321 |
316 |
148 |
0 |
CDI |
0 |
52 |
17 |
73 |
288 |
443 |
514 |
6 |
VCDI |
0 |
1 |
4 |
24 |
235 |
2030 |
12120 |
22292 |
|
Date: 2024-12-11:
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 |
2710 |
2244 |
15 |
25 |
23 |
0 |
0 |
0 |
OW |
72 |
849 |
50 |
62 |
5 |
0 |
0 |
0 |
VODI |
1 |
316 |
71 |
160 |
142 |
16 |
0 |
0 |
ODI |
0 |
57 |
41 |
140 |
284 |
171 |
1 |
0 |
CDI |
0 |
8 |
14 |
91 |
336 |
574 |
59 |
0 |
VCDI |
0 |
0 |
0 |
38 |
218 |
2880 |
13985 |
20208 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
2516 |
1923 |
35 |
71 |
24 |
0 |
0 |
0 |
OW |
231 |
503 |
42 |
76 |
43 |
3 |
0 |
0 |
VODI |
36 |
550 |
43 |
106 |
133 |
55 |
0 |
0 |
ODI |
0 |
331 |
37 |
114 |
289 |
356 |
55 |
0 |
CDI |
0 |
166 |
29 |
90 |
256 |
532 |
331 |
4 |
VCDI |
0 |
1 |
5 |
59 |
263 |
2695 |
13659 |
20204 |
|
Date: 2024-12-13:
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 |
2602 |
2490 |
10 |
8 |
0 |
0 |
0 |
0 |
OW |
116 |
630 |
41 |
53 |
20 |
1 |
0 |
0 |
VODI |
0 |
346 |
33 |
103 |
100 |
93 |
0 |
0 |
ODI |
0 |
70 |
51 |
123 |
171 |
121 |
0 |
0 |
CDI |
0 |
3 |
17 |
92 |
457 |
410 |
40 |
0 |
VCDI |
0 |
0 |
0 |
46 |
492 |
3288 |
13661 |
20178 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
2130 |
1571 |
7 |
7 |
0 |
0 |
0 |
0 |
OW |
453 |
601 |
30 |
61 |
52 |
2 |
0 |
0 |
VODI |
135 |
524 |
40 |
65 |
46 |
45 |
0 |
0 |
ODI |
0 |
406 |
15 |
104 |
234 |
255 |
17 |
0 |
CDI |
0 |
410 |
48 |
111 |
350 |
604 |
212 |
62 |
VCDI |
0 |
27 |
12 |
77 |
558 |
3007 |
13472 |
20116 |
|
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