Validation of sea ice concentration - Full domain
Bulletin date: 2024-04-25
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-19:
| 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 |
62916 |
15894 |
101 |
98 |
64 |
0 |
0 |
0 |
| OW |
37 |
1764 |
460 |
804 |
107 |
4 |
0 |
0 |
| VODI |
0 |
237 |
230 |
1336 |
1026 |
51 |
0 |
0 |
| ODI |
0 |
36 |
72 |
534 |
1272 |
679 |
21 |
0 |
| CDI |
0 |
32 |
49 |
405 |
1626 |
2893 |
1851 |
4 |
| VCDI |
0 |
4 |
13 |
246 |
1263 |
5544 |
26056 |
67014 |
|
...date precedes bulletin
|
Date: 2024-04-21:
| 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 |
63545 |
14772 |
66 |
158 |
50 |
0 |
0 |
0 |
| OW |
30 |
2224 |
417 |
486 |
193 |
15 |
0 |
0 |
| VODI |
0 |
566 |
298 |
1470 |
837 |
119 |
0 |
0 |
| ODI |
0 |
148 |
93 |
625 |
1282 |
424 |
80 |
0 |
| CDI |
0 |
126 |
67 |
454 |
2037 |
2726 |
1106 |
1 |
| VCDI |
0 |
66 |
42 |
226 |
1402 |
6768 |
28566 |
63258 |
|
...date precedes bulletin
|
Date: 2024-04-23:
| 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 |
64367 |
15073 |
71 |
143 |
16 |
0 |
0 |
0 |
| OW |
60 |
2365 |
472 |
421 |
85 |
9 |
0 |
0 |
| VODI |
8 |
213 |
261 |
1848 |
536 |
46 |
0 |
0 |
| ODI |
0 |
73 |
31 |
605 |
1653 |
239 |
3 |
0 |
| CDI |
0 |
110 |
70 |
272 |
2315 |
4509 |
541 |
23 |
| VCDI |
0 |
3 |
13 |
125 |
838 |
6627 |
25081 |
65618 |
|
...date precedes bulletin
|
Date: 2024-04-25:
| 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 |
64736 |
15168 |
140 |
139 |
5 |
0 |
0 |
0 |
| OW |
4 |
2367 |
353 |
446 |
89 |
5 |
0 |
0 |
| VODI |
0 |
655 |
311 |
1496 |
491 |
37 |
0 |
0 |
| ODI |
0 |
239 |
118 |
746 |
1057 |
248 |
16 |
1 |
| CDI |
0 |
229 |
138 |
764 |
2369 |
3933 |
861 |
43 |
| VCDI |
0 |
6 |
21 |
460 |
1404 |
5807 |
28162 |
61679 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64733 |
15289 |
144 |
161 |
7 |
0 |
0 |
0 |
| OW |
7 |
2195 |
339 |
456 |
92 |
4 |
0 |
0 |
| VODI |
0 |
677 |
308 |
1380 |
490 |
46 |
0 |
0 |
| ODI |
0 |
263 |
129 |
788 |
987 |
259 |
17 |
2 |
| CDI |
0 |
239 |
148 |
835 |
2487 |
3945 |
848 |
51 |
| VCDI |
0 |
1 |
13 |
431 |
1352 |
5776 |
28174 |
61670 |
|
Date: 2024-04-27:
| 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 |
65348 |
14674 |
98 |
89 |
8 |
0 |
0 |
0 |
| OW |
8 |
2352 |
357 |
501 |
61 |
6 |
0 |
0 |
| VODI |
0 |
831 |
366 |
1300 |
521 |
41 |
2 |
0 |
| ODI |
0 |
295 |
126 |
969 |
977 |
247 |
39 |
3 |
| CDI |
0 |
204 |
156 |
920 |
2820 |
4217 |
1006 |
100 |
| VCDI |
0 |
13 |
6 |
293 |
1553 |
7796 |
25243 |
61197 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65349 |
14790 |
101 |
106 |
6 |
0 |
0 |
0 |
| OW |
7 |
2152 |
366 |
476 |
71 |
5 |
0 |
0 |
| VODI |
0 |
866 |
352 |
1202 |
513 |
51 |
3 |
0 |
| ODI |
0 |
323 |
125 |
1034 |
955 |
289 |
47 |
3 |
| CDI |
0 |
231 |
161 |
993 |
2961 |
4218 |
956 |
119 |
| VCDI |
0 |
7 |
4 |
261 |
1434 |
7744 |
25284 |
61178 |
|
Date: 2024-04-29:
| 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 |
66222 |
14672 |
98 |
87 |
5 |
0 |
0 |
0 |
| OW |
41 |
2822 |
681 |
503 |
32 |
0 |
0 |
0 |
| VODI |
0 |
208 |
191 |
2067 |
433 |
9 |
0 |
0 |
| ODI |
0 |
70 |
101 |
952 |
2078 |
198 |
37 |
2 |
| CDI |
0 |
15 |
12 |
218 |
2867 |
6256 |
872 |
51 |
| VCDI |
0 |
0 |
0 |
67 |
682 |
5954 |
29470 |
56770 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66182 |
13812 |
104 |
87 |
10 |
1 |
0 |
0 |
| OW |
71 |
2188 |
365 |
452 |
70 |
8 |
0 |
0 |
| VODI |
10 |
1127 |
278 |
1065 |
510 |
65 |
8 |
0 |
| ODI |
0 |
408 |
147 |
1047 |
961 |
370 |
84 |
5 |
| CDI |
0 |
240 |
176 |
1039 |
3181 |
5036 |
1981 |
65 |
| VCDI |
0 |
12 |
13 |
204 |
1365 |
6937 |
28306 |
56753 |
|
Date: 2024-05-01:
| 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 |
66199 |
14744 |
128 |
94 |
1 |
0 |
0 |
0 |
| OW |
1 |
2947 |
548 |
589 |
35 |
0 |
0 |
1 |
| VODI |
0 |
316 |
352 |
1756 |
393 |
32 |
32 |
9 |
| ODI |
0 |
42 |
49 |
1034 |
1663 |
340 |
102 |
10 |
| CDI |
0 |
28 |
20 |
339 |
3224 |
6405 |
1566 |
45 |
| VCDI |
0 |
0 |
1 |
114 |
985 |
6330 |
32282 |
51987 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66195 |
13781 |
109 |
83 |
3 |
0 |
0 |
0 |
| OW |
5 |
2293 |
257 |
423 |
42 |
7 |
0 |
0 |
| VODI |
0 |
1407 |
351 |
887 |
476 |
98 |
17 |
7 |
| ODI |
0 |
391 |
225 |
1091 |
964 |
497 |
147 |
14 |
| CDI |
0 |
185 |
136 |
1151 |
3536 |
5342 |
2006 |
58 |
| VCDI |
0 |
20 |
20 |
291 |
1280 |
7163 |
31812 |
51973 |
|
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 |
67474 |
13836 |
100 |
177 |
12 |
0 |
0 |
0 |
| OW |
90 |
2764 |
472 |
609 |
89 |
0 |
3 |
0 |
| VODI |
0 |
415 |
398 |
1644 |
593 |
36 |
23 |
0 |
| ODI |
0 |
39 |
60 |
902 |
1598 |
228 |
53 |
0 |
| CDI |
0 |
60 |
34 |
410 |
3868 |
5497 |
1793 |
11 |
| VCDI |
0 |
11 |
20 |
246 |
1553 |
6355 |
31717 |
51553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67310 |
12709 |
81 |
127 |
15 |
0 |
0 |
0 |
| OW |
238 |
2197 |
224 |
471 |
114 |
5 |
2 |
0 |
| VODI |
16 |
1526 |
341 |
889 |
561 |
84 |
20 |
0 |
| ODI |
0 |
449 |
247 |
1029 |
1191 |
566 |
156 |
11 |
| CDI |
0 |
198 |
141 |
1133 |
3887 |
4719 |
2017 |
124 |
| VCDI |
0 |
46 |
50 |
339 |
1945 |
6742 |
31394 |
51429 |
|
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