Validation of sea ice concentration
Bulletin date: 2025-07-10
Model vs. observations, sea ice class contingency tables
Date: 2025-07-04:
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 |
79920 |
19887 |
14930 |
1076 |
179 |
73 |
219 |
0 |
OW |
0 |
173 |
3450 |
2282 |
402 |
217 |
444 |
0 |
VODI |
0 |
0 |
854 |
1508 |
778 |
566 |
1375 |
0 |
ODI |
0 |
0 |
289 |
553 |
565 |
1049 |
3125 |
0 |
CDI |
0 |
0 |
207 |
439 |
325 |
369 |
5139 |
0 |
VCDI |
0 |
0 |
0 |
1 |
9 |
21 |
7560 |
10860 |
|
...date precedes bulletin
|
Date: 2025-07-08:
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 |
79993 |
23344 |
13627 |
1035 |
191 |
59 |
243 |
0 |
OW |
356 |
422 |
3030 |
1208 |
440 |
222 |
493 |
0 |
VODI |
0 |
37 |
929 |
1332 |
822 |
739 |
1247 |
0 |
ODI |
0 |
0 |
350 |
628 |
836 |
1096 |
2409 |
42 |
CDI |
0 |
0 |
534 |
272 |
263 |
801 |
5739 |
362 |
VCDI |
0 |
0 |
5 |
15 |
17 |
12 |
5456 |
10238 |
|
...date precedes bulletin
|
Date: 2025-07-10:
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 |
79723 |
24169 |
14231 |
1190 |
195 |
67 |
230 |
0 |
OW |
0 |
666 |
2753 |
1944 |
529 |
188 |
460 |
0 |
VODI |
0 |
10 |
731 |
1859 |
1266 |
861 |
1276 |
0 |
ODI |
0 |
0 |
273 |
439 |
428 |
1242 |
2706 |
24 |
CDI |
0 |
0 |
74 |
186 |
143 |
257 |
7962 |
3762 |
VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
2565 |
6433 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
79723 |
24169 |
14231 |
1190 |
195 |
67 |
230 |
0 |
OW |
0 |
666 |
2753 |
1944 |
529 |
188 |
460 |
0 |
VODI |
0 |
10 |
731 |
1859 |
1266 |
861 |
1276 |
0 |
ODI |
0 |
0 |
273 |
439 |
428 |
1242 |
2706 |
24 |
CDI |
0 |
0 |
74 |
186 |
143 |
257 |
7962 |
3762 |
VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
2565 |
6433 |
|
Date: 2025-07-14:
Best estimate |
Forecast |
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-16:
Best estimate |
Forecast |
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-18:
Best estimate |
Forecast |
...observations not yet available
|
...observations not yet available
|
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