Validation of sea ice concentration - American sector
Bulletin date: 2025-05-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-20:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
96 |
4 |
72 |
4 |
0 |
0 |
0 |
OW |
0 |
26 |
1 |
43 |
16 |
5 |
0 |
0 |
VODI |
0 |
124 |
12 |
193 |
134 |
95 |
34 |
23 |
ODI |
0 |
107 |
12 |
301 |
289 |
276 |
226 |
280 |
CDI |
0 |
16 |
2 |
217 |
482 |
886 |
1835 |
1963 |
VCDI |
0 |
3 |
0 |
111 |
736 |
2898 |
13291 |
20781 |
|
Date: 2025-05-22:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
237 |
17 |
194 |
71 |
16 |
1 |
0 |
OW |
0 |
71 |
7 |
81 |
74 |
30 |
1 |
0 |
VODI |
0 |
100 |
13 |
208 |
156 |
134 |
39 |
42 |
ODI |
0 |
64 |
8 |
197 |
228 |
397 |
261 |
307 |
CDI |
0 |
25 |
3 |
221 |
346 |
774 |
1289 |
2380 |
VCDI |
0 |
8 |
0 |
222 |
779 |
2722 |
11105 |
22766 |
|
Date: 2025-05-24:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
433 |
35 |
295 |
156 |
40 |
2 |
0 |
OW |
0 |
55 |
16 |
79 |
79 |
39 |
18 |
0 |
VODI |
0 |
121 |
12 |
188 |
179 |
212 |
105 |
16 |
ODI |
0 |
22 |
7 |
196 |
240 |
463 |
321 |
297 |
CDI |
0 |
6 |
0 |
165 |
331 |
757 |
1391 |
2044 |
VCDI |
0 |
10 |
0 |
317 |
825 |
3631 |
12691 |
19800 |
|
Date: 2025-05-26:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
0 |
639 |
22 |
319 |
258 |
69 |
28 |
3 |
OW |
0 |
40 |
0 |
62 |
61 |
46 |
12 |
12 |
VODI |
0 |
92 |
4 |
136 |
168 |
225 |
143 |
37 |
ODI |
0 |
35 |
3 |
193 |
290 |
445 |
538 |
265 |
CDI |
0 |
21 |
1 |
218 |
412 |
866 |
2002 |
1755 |
VCDI |
0 |
20 |
2 |
312 |
958 |
4143 |
16493 |
14246 |
|
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