Validation of sea ice concentration - American sector
Bulletin date: 2024-05-30
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-24:
| 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 |
9459 |
1926 |
10 |
81 |
8 |
0 |
0 |
0 |
| OW |
391 |
1720 |
162 |
265 |
36 |
1 |
0 |
0 |
| VODI |
24 |
294 |
133 |
1024 |
188 |
22 |
0 |
0 |
| ODI |
0 |
67 |
53 |
541 |
546 |
125 |
7 |
0 |
| CDI |
0 |
87 |
59 |
701 |
1341 |
1611 |
429 |
7 |
| VCDI |
0 |
53 |
32 |
220 |
638 |
2423 |
14387 |
22160 |
|
...date precedes bulletin
|
Date: 2024-05-26:
| 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 |
9455 |
2188 |
6 |
34 |
21 |
0 |
0 |
0 |
| OW |
366 |
1768 |
107 |
206 |
53 |
0 |
0 |
0 |
| VODI |
0 |
362 |
185 |
943 |
224 |
8 |
0 |
0 |
| ODI |
0 |
134 |
50 |
577 |
611 |
65 |
27 |
0 |
| CDI |
0 |
130 |
51 |
653 |
1507 |
1356 |
378 |
0 |
| VCDI |
0 |
45 |
36 |
244 |
886 |
2990 |
20647 |
14918 |
|
...date precedes bulletin
|
Date: 2024-05-28:
| 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 |
9913 |
3136 |
18 |
63 |
12 |
0 |
0 |
0 |
| OW |
135 |
1368 |
316 |
356 |
54 |
0 |
0 |
0 |
| VODI |
0 |
186 |
107 |
1432 |
327 |
7 |
0 |
0 |
| ODI |
0 |
63 |
27 |
454 |
881 |
59 |
10 |
0 |
| CDI |
0 |
85 |
63 |
383 |
1195 |
1901 |
378 |
5 |
| VCDI |
0 |
0 |
0 |
127 |
626 |
3188 |
17289 |
17067 |
|
...date precedes bulletin
|
Date: 2024-05-30:
| 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 |
10895 |
2638 |
21 |
87 |
5 |
0 |
0 |
0 |
| OW |
6 |
1278 |
208 |
411 |
42 |
0 |
0 |
0 |
| VODI |
0 |
324 |
154 |
1233 |
247 |
13 |
5 |
0 |
| ODI |
0 |
103 |
29 |
505 |
709 |
97 |
64 |
0 |
| CDI |
0 |
119 |
71 |
453 |
1447 |
1749 |
659 |
0 |
| VCDI |
0 |
0 |
1 |
112 |
611 |
4562 |
16469 |
15904 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10804 |
2693 |
32 |
111 |
6 |
0 |
0 |
0 |
| OW |
97 |
1163 |
177 |
385 |
50 |
0 |
0 |
0 |
| VODI |
0 |
379 |
173 |
1214 |
260 |
11 |
9 |
0 |
| ODI |
0 |
106 |
28 |
526 |
607 |
83 |
72 |
0 |
| CDI |
0 |
121 |
74 |
458 |
1568 |
1856 |
636 |
0 |
| VCDI |
0 |
0 |
0 |
107 |
570 |
4471 |
16480 |
15904 |
|
Date: 2024-06-01:
| 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 |
11219 |
2413 |
23 |
59 |
7 |
0 |
0 |
0 |
| OW |
7 |
1341 |
152 |
434 |
40 |
1 |
0 |
0 |
| VODI |
0 |
442 |
162 |
1038 |
285 |
68 |
2 |
0 |
| ODI |
0 |
191 |
37 |
491 |
660 |
144 |
41 |
0 |
| CDI |
0 |
294 |
83 |
418 |
1359 |
1910 |
687 |
0 |
| VCDI |
0 |
1 |
15 |
148 |
664 |
3774 |
15632 |
16989 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11202 |
2537 |
27 |
90 |
5 |
0 |
0 |
0 |
| OW |
24 |
1235 |
134 |
441 |
57 |
2 |
0 |
0 |
| VODI |
0 |
429 |
175 |
981 |
290 |
71 |
14 |
0 |
| ODI |
0 |
190 |
38 |
497 |
538 |
166 |
40 |
0 |
| CDI |
0 |
289 |
85 |
432 |
1451 |
1869 |
706 |
124 |
| VCDI |
0 |
2 |
13 |
147 |
674 |
3789 |
15602 |
16865 |
|
Date: 2024-06-03:
| 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 |
11616 |
2835 |
13 |
85 |
10 |
0 |
0 |
0 |
| OW |
1 |
1811 |
345 |
437 |
52 |
0 |
0 |
0 |
| VODI |
0 |
357 |
94 |
1171 |
383 |
10 |
0 |
0 |
| ODI |
0 |
65 |
30 |
322 |
1314 |
76 |
12 |
0 |
| CDI |
0 |
3 |
5 |
291 |
1287 |
2775 |
273 |
0 |
| VCDI |
0 |
17 |
0 |
57 |
548 |
1746 |
16685 |
16505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11604 |
2327 |
16 |
100 |
16 |
0 |
0 |
0 |
| OW |
13 |
1430 |
105 |
351 |
81 |
0 |
0 |
0 |
| VODI |
0 |
671 |
221 |
707 |
331 |
8 |
2 |
0 |
| ODI |
0 |
289 |
47 |
448 |
591 |
106 |
40 |
0 |
| CDI |
0 |
353 |
81 |
502 |
1618 |
1906 |
1527 |
83 |
| VCDI |
0 |
18 |
17 |
255 |
957 |
2587 |
15401 |
16422 |
|
Date: 2024-06-05:
| 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 |
11496 |
3392 |
40 |
137 |
9 |
0 |
0 |
0 |
| OW |
25 |
1840 |
218 |
298 |
56 |
15 |
0 |
0 |
| VODI |
0 |
570 |
156 |
928 |
421 |
54 |
3 |
0 |
| ODI |
0 |
79 |
35 |
483 |
856 |
112 |
24 |
0 |
| CDI |
0 |
18 |
28 |
293 |
1688 |
2075 |
705 |
0 |
| VCDI |
0 |
179 |
15 |
234 |
836 |
4927 |
22279 |
6707 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11489 |
2662 |
36 |
113 |
14 |
0 |
0 |
0 |
| OW |
25 |
1586 |
115 |
226 |
80 |
3 |
0 |
0 |
| VODI |
7 |
959 |
162 |
566 |
353 |
22 |
6 |
0 |
| ODI |
0 |
277 |
52 |
460 |
534 |
91 |
49 |
0 |
| CDI |
0 |
368 |
75 |
560 |
1682 |
1878 |
2616 |
192 |
| VCDI |
0 |
226 |
52 |
448 |
1203 |
5189 |
20340 |
6515 |
|
Date: 2024-06-07:
| 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 |
12696 |
3016 |
31 |
119 |
2 |
0 |
0 |
0 |
| OW |
95 |
1698 |
168 |
281 |
86 |
5 |
0 |
0 |
| VODI |
0 |
627 |
174 |
808 |
362 |
38 |
1 |
0 |
| ODI |
0 |
166 |
66 |
572 |
536 |
139 |
28 |
0 |
| CDI |
0 |
114 |
43 |
579 |
1630 |
1765 |
608 |
0 |
| VCDI |
0 |
24 |
37 |
347 |
1206 |
5135 |
18481 |
9548 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12594 |
2016 |
36 |
90 |
0 |
0 |
0 |
0 |
| OW |
179 |
1461 |
89 |
253 |
38 |
11 |
2 |
0 |
| VODI |
18 |
1036 |
127 |
511 |
294 |
36 |
33 |
0 |
| ODI |
0 |
325 |
75 |
439 |
349 |
152 |
125 |
3 |
| CDI |
0 |
457 |
98 |
859 |
1752 |
1613 |
1654 |
240 |
| VCDI |
0 |
350 |
94 |
554 |
1389 |
5270 |
17304 |
9305 |
|
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