Validation of sea ice concentration - American sector
Bulletin date: 2025-11-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-07:
| 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 |
9586 |
3449 |
265 |
381 |
58 |
4 |
0 |
0 |
| OW |
0 |
360 |
193 |
546 |
356 |
105 |
0 |
0 |
| VODI |
0 |
91 |
87 |
357 |
457 |
162 |
3 |
0 |
| ODI |
0 |
6 |
37 |
180 |
346 |
154 |
28 |
0 |
| CDI |
0 |
0 |
3 |
75 |
360 |
380 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
420 |
1575 |
10565 |
15115 |
|
...date precedes bulletin
|
Date: 2025-11-09:
| 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 |
9424 |
3040 |
156 |
189 |
59 |
10 |
0 |
0 |
| OW |
10 |
454 |
182 |
545 |
303 |
155 |
3 |
0 |
| VODI |
0 |
203 |
71 |
468 |
457 |
196 |
26 |
0 |
| ODI |
0 |
48 |
27 |
193 |
352 |
242 |
36 |
0 |
| CDI |
0 |
14 |
18 |
63 |
367 |
469 |
200 |
0 |
| VCDI |
0 |
0 |
5 |
31 |
186 |
1474 |
10882 |
15308 |
|
...date precedes bulletin
|
Date: 2025-11-11:
| 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 |
9108 |
2977 |
188 |
304 |
136 |
35 |
0 |
0 |
| OW |
4 |
351 |
130 |
318 |
329 |
94 |
3 |
0 |
| VODI |
0 |
154 |
94 |
239 |
554 |
270 |
29 |
0 |
| ODI |
0 |
32 |
28 |
136 |
331 |
298 |
38 |
0 |
| CDI |
0 |
5 |
19 |
70 |
431 |
492 |
144 |
3 |
| VCDI |
0 |
0 |
5 |
44 |
135 |
1176 |
7233 |
19929 |
|
...date precedes bulletin
|
Date: 2025-11-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-11-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-11-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-11-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-11-21:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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