Validation of sea ice concentration
Bulletin date: 2024-05-09
Model vs. observations, sea ice class contingency tables
Date: 2024-05-03:
| 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 |
55685 |
18321 |
1813 |
404 |
68 |
6 |
5 |
0 |
| OW |
0 |
1327 |
2379 |
1245 |
331 |
88 |
33 |
0 |
| VODI |
0 |
210 |
1009 |
1353 |
846 |
712 |
450 |
3 |
| ODI |
0 |
32 |
396 |
837 |
917 |
1101 |
1598 |
9 |
| CDI |
0 |
98 |
264 |
838 |
1078 |
1773 |
12975 |
30 |
| VCDI |
0 |
35 |
168 |
294 |
312 |
313 |
26742 |
22370 |
|
...date precedes bulletin
|
Date: 2024-05-07:
| 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 |
56330 |
19700 |
2169 |
713 |
58 |
11 |
7 |
0 |
| OW |
0 |
1193 |
1910 |
1753 |
223 |
91 |
48 |
0 |
| VODI |
0 |
139 |
488 |
1865 |
877 |
375 |
450 |
1 |
| ODI |
0 |
33 |
155 |
678 |
822 |
1167 |
1437 |
9 |
| CDI |
0 |
101 |
145 |
526 |
588 |
3292 |
10473 |
31 |
| VCDI |
0 |
0 |
19 |
241 |
219 |
1150 |
29304 |
19677 |
|
...date precedes bulletin
|
Date: 2024-05-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2024-05-13:
| 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 |
58295 |
20816 |
2487 |
508 |
124 |
10 |
3 |
0 |
| OW |
0 |
1356 |
1957 |
1598 |
314 |
74 |
60 |
0 |
| VODI |
0 |
189 |
489 |
1663 |
1232 |
571 |
385 |
5 |
| ODI |
0 |
115 |
168 |
588 |
957 |
931 |
1446 |
11 |
| CDI |
0 |
91 |
226 |
560 |
1153 |
3182 |
10016 |
71 |
| VCDI |
0 |
0 |
33 |
695 |
348 |
906 |
27085 |
17750 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58295 |
20110 |
1962 |
409 |
123 |
16 |
4 |
0 |
| OW |
0 |
1680 |
1613 |
818 |
289 |
85 |
70 |
0 |
| VODI |
0 |
367 |
1038 |
1369 |
677 |
520 |
418 |
5 |
| ODI |
0 |
148 |
327 |
1180 |
910 |
620 |
1359 |
7 |
| CDI |
0 |
208 |
260 |
989 |
1645 |
3066 |
8455 |
63 |
| VCDI |
0 |
54 |
160 |
847 |
484 |
1367 |
28689 |
17762 |
|
Date: 2024-05-15:
| 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 |
59572 |
19947 |
2313 |
289 |
86 |
5 |
2 |
0 |
| OW |
0 |
1287 |
2540 |
897 |
314 |
134 |
63 |
0 |
| VODI |
0 |
148 |
875 |
1318 |
1104 |
670 |
398 |
0 |
| ODI |
0 |
52 |
283 |
465 |
841 |
1056 |
1438 |
5 |
| CDI |
0 |
106 |
303 |
551 |
1107 |
3053 |
10629 |
36 |
| VCDI |
0 |
0 |
44 |
789 |
400 |
990 |
26543 |
17815 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59572 |
18543 |
2049 |
318 |
67 |
27 |
6 |
0 |
| OW |
0 |
1896 |
1468 |
510 |
283 |
111 |
85 |
0 |
| VODI |
0 |
606 |
1135 |
862 |
625 |
632 |
501 |
0 |
| ODI |
0 |
226 |
802 |
777 |
843 |
777 |
1538 |
4 |
| CDI |
0 |
204 |
681 |
871 |
1580 |
3079 |
8886 |
35 |
| VCDI |
0 |
65 |
223 |
971 |
454 |
1282 |
28057 |
17817 |
|
Date: 2024-05-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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