Validation of sea ice concentration - American sector
Bulletin date: 2022-08-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-05:
| 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 |
9972 |
8163 |
64 |
296 |
27 |
0 |
0 |
0 |
| OW |
0 |
543 |
76 |
592 |
80 |
0 |
0 |
0 |
| VODI |
0 |
282 |
40 |
1273 |
466 |
1 |
0 |
0 |
| ODI |
0 |
46 |
12 |
519 |
2518 |
85 |
0 |
0 |
| CDI |
0 |
22 |
5 |
107 |
3459 |
6258 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
22 |
2793 |
5589 |
2304 |
|
...date precedes bulletin
|
Date: 2022-08-07:
| 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 |
11639 |
6617 |
85 |
376 |
30 |
0 |
0 |
0 |
| OW |
0 |
600 |
63 |
633 |
118 |
0 |
0 |
0 |
| VODI |
0 |
254 |
35 |
1113 |
638 |
9 |
0 |
0 |
| ODI |
0 |
116 |
16 |
452 |
2726 |
16 |
0 |
0 |
| CDI |
0 |
11 |
4 |
254 |
4387 |
5263 |
400 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
46 |
1875 |
5585 |
2500 |
|
...date precedes bulletin
|
Date: 2022-08-09:
| 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 |
12864 |
5901 |
78 |
416 |
14 |
0 |
0 |
0 |
| OW |
9 |
596 |
45 |
543 |
63 |
0 |
0 |
0 |
| VODI |
0 |
225 |
30 |
1273 |
604 |
0 |
0 |
0 |
| ODI |
0 |
25 |
5 |
486 |
4709 |
135 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
2861 |
4516 |
908 |
0 |
| VCDI |
0 |
2 |
2 |
1 |
28 |
529 |
4892 |
4090 |
|
...date precedes bulletin
|
Date: 2022-08-11:
| 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 |
12677 |
6406 |
86 |
322 |
27 |
0 |
0 |
0 |
| OW |
6 |
754 |
57 |
459 |
71 |
0 |
0 |
0 |
| VODI |
0 |
264 |
46 |
1389 |
539 |
0 |
0 |
0 |
| ODI |
0 |
34 |
8 |
1045 |
3965 |
58 |
0 |
0 |
| CDI |
0 |
0 |
0 |
58 |
2447 |
5069 |
1011 |
0 |
| VCDI |
0 |
2 |
1 |
3 |
30 |
419 |
5365 |
3248 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12675 |
6554 |
101 |
372 |
45 |
0 |
0 |
0 |
| OW |
8 |
567 |
46 |
466 |
73 |
0 |
0 |
0 |
| VODI |
0 |
303 |
40 |
1284 |
575 |
0 |
0 |
0 |
| ODI |
0 |
34 |
10 |
1087 |
3848 |
69 |
0 |
0 |
| CDI |
0 |
0 |
0 |
64 |
2510 |
5091 |
1122 |
0 |
| VCDI |
0 |
2 |
1 |
3 |
28 |
386 |
5254 |
3248 |
|
Date: 2022-08-13:
| 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 |
13200 |
6185 |
73 |
285 |
40 |
0 |
0 |
0 |
| OW |
7 |
831 |
50 |
447 |
61 |
0 |
0 |
0 |
| VODI |
0 |
432 |
56 |
1523 |
346 |
0 |
0 |
0 |
| ODI |
0 |
48 |
13 |
1534 |
2982 |
62 |
0 |
0 |
| CDI |
0 |
0 |
1 |
110 |
2476 |
5700 |
997 |
16 |
| VCDI |
0 |
4 |
0 |
2 |
76 |
974 |
4623 |
2712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13198 |
6388 |
79 |
369 |
53 |
0 |
0 |
0 |
| OW |
9 |
661 |
50 |
408 |
44 |
0 |
0 |
0 |
| VODI |
0 |
405 |
47 |
1473 |
396 |
0 |
0 |
0 |
| ODI |
0 |
42 |
16 |
1499 |
2889 |
112 |
0 |
0 |
| CDI |
0 |
0 |
1 |
150 |
2524 |
5772 |
1095 |
14 |
| VCDI |
0 |
4 |
0 |
2 |
75 |
852 |
4525 |
2714 |
|
Date: 2022-08-15:
| 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 |
13065 |
6392 |
68 |
343 |
30 |
0 |
0 |
0 |
| OW |
1 |
944 |
47 |
349 |
25 |
0 |
0 |
0 |
| VODI |
0 |
318 |
65 |
2216 |
429 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
501 |
4527 |
169 |
0 |
0 |
| CDI |
0 |
0 |
1 |
2 |
1024 |
5596 |
1187 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
36 |
820 |
5375 |
2331 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13062 |
6520 |
72 |
434 |
76 |
0 |
0 |
0 |
| OW |
4 |
605 |
43 |
442 |
67 |
0 |
0 |
0 |
| VODI |
0 |
470 |
51 |
1239 |
757 |
2 |
0 |
0 |
| ODI |
0 |
59 |
14 |
1163 |
2802 |
255 |
4 |
0 |
| CDI |
0 |
0 |
1 |
132 |
2305 |
5537 |
1974 |
8 |
| VCDI |
0 |
0 |
0 |
6 |
64 |
791 |
4584 |
2323 |
|
Date: 2022-08-17:
| 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 |
12811 |
6912 |
54 |
311 |
31 |
0 |
0 |
0 |
| OW |
0 |
976 |
58 |
377 |
53 |
0 |
0 |
0 |
| VODI |
0 |
285 |
60 |
2195 |
530 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
582 |
3813 |
463 |
0 |
0 |
| CDI |
0 |
1 |
0 |
3 |
1411 |
4318 |
2129 |
139 |
| VCDI |
0 |
3 |
0 |
0 |
20 |
437 |
5045 |
2849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12811 |
6908 |
56 |
401 |
73 |
0 |
0 |
0 |
| OW |
0 |
646 |
47 |
482 |
45 |
0 |
0 |
0 |
| VODI |
0 |
556 |
58 |
1433 |
716 |
0 |
0 |
0 |
| ODI |
0 |
63 |
11 |
1066 |
2586 |
162 |
5 |
1 |
| CDI |
0 |
0 |
0 |
86 |
2395 |
4701 |
2848 |
201 |
| VCDI |
0 |
4 |
0 |
0 |
43 |
355 |
4321 |
2786 |
|
Date: 2022-08-19:
| 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 |
13918 |
5891 |
68 |
275 |
31 |
0 |
0 |
0 |
| OW |
0 |
1139 |
54 |
363 |
22 |
0 |
0 |
0 |
| VODI |
0 |
546 |
78 |
2231 |
414 |
0 |
0 |
0 |
| ODI |
0 |
19 |
10 |
943 |
2729 |
751 |
0 |
0 |
| CDI |
0 |
0 |
1 |
4 |
1889 |
3870 |
2239 |
120 |
| VCDI |
0 |
1 |
1 |
0 |
29 |
305 |
3089 |
4836 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13918 |
5868 |
71 |
419 |
38 |
0 |
0 |
0 |
| OW |
0 |
789 |
54 |
385 |
20 |
0 |
0 |
0 |
| VODI |
0 |
779 |
63 |
1349 |
757 |
6 |
0 |
0 |
| ODI |
0 |
159 |
22 |
1483 |
1430 |
526 |
45 |
0 |
| CDI |
0 |
0 |
1 |
180 |
2811 |
4188 |
2993 |
308 |
| VCDI |
0 |
1 |
1 |
0 |
58 |
206 |
2290 |
4648 |
|
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