Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-26:
| 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 |
57990 |
12530 |
81 |
46 |
2 |
0 |
0 |
0 |
| OW |
764 |
1901 |
217 |
241 |
30 |
6 |
2 |
0 |
| VODI |
1818 |
698 |
222 |
693 |
345 |
91 |
11 |
0 |
| ODI |
1782 |
328 |
128 |
442 |
639 |
270 |
77 |
0 |
| CDI |
0 |
508 |
166 |
622 |
1456 |
2458 |
1729 |
9 |
| VCDI |
0 |
93 |
89 |
473 |
1281 |
4943 |
41402 |
44227 |
|
...date precedes bulletin
|
Date: 2024-04-28:
| 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 |
57870 |
12619 |
48 |
33 |
7 |
0 |
0 |
0 |
| OW |
763 |
1866 |
206 |
268 |
79 |
31 |
8 |
0 |
| VODI |
1828 |
888 |
277 |
563 |
247 |
94 |
35 |
0 |
| ODI |
1765 |
377 |
165 |
523 |
623 |
258 |
86 |
0 |
| CDI |
0 |
453 |
232 |
817 |
1758 |
2880 |
1922 |
1 |
| VCDI |
0 |
58 |
32 |
202 |
1147 |
5736 |
37681 |
46364 |
|
...date precedes bulletin
|
Date: 2024-04-30:
| 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 |
57887 |
13268 |
78 |
45 |
3 |
0 |
0 |
0 |
| OW |
819 |
2251 |
303 |
283 |
45 |
1 |
0 |
0 |
| VODI |
1868 |
520 |
343 |
803 |
345 |
55 |
24 |
0 |
| ODI |
1717 |
255 |
166 |
638 |
956 |
379 |
131 |
0 |
| CDI |
0 |
64 |
50 |
407 |
1893 |
4035 |
2171 |
0 |
| VCDI |
0 |
19 |
27 |
105 |
818 |
5113 |
36598 |
46327 |
|
...date precedes bulletin
|
Date: 2024-05-02:
| 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 |
59045 |
12234 |
114 |
67 |
11 |
0 |
0 |
0 |
| OW |
875 |
2072 |
294 |
314 |
50 |
12 |
1 |
0 |
| VODI |
1885 |
577 |
313 |
728 |
389 |
80 |
23 |
0 |
| ODI |
1698 |
190 |
142 |
593 |
882 |
372 |
143 |
0 |
| CDI |
0 |
116 |
67 |
507 |
2165 |
4169 |
2561 |
1 |
| VCDI |
0 |
41 |
40 |
190 |
1088 |
4890 |
33859 |
48012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59054 |
12319 |
128 |
74 |
13 |
0 |
0 |
0 |
| OW |
866 |
1971 |
270 |
292 |
50 |
13 |
1 |
0 |
| VODI |
1886 |
580 |
328 |
729 |
392 |
88 |
24 |
0 |
| ODI |
1697 |
204 |
123 |
585 |
900 |
380 |
138 |
0 |
| CDI |
0 |
116 |
79 |
523 |
2166 |
4165 |
2724 |
2 |
| VCDI |
0 |
40 |
42 |
196 |
1064 |
4877 |
33700 |
48011 |
|
Date: 2024-05-04:
| 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 |
59544 |
12133 |
92 |
86 |
4 |
0 |
0 |
0 |
| OW |
873 |
2083 |
232 |
247 |
65 |
13 |
0 |
0 |
| VODI |
1892 |
772 |
302 |
654 |
357 |
78 |
15 |
0 |
| ODI |
1686 |
208 |
145 |
547 |
772 |
269 |
54 |
0 |
| CDI |
0 |
241 |
89 |
481 |
2319 |
4375 |
2350 |
1 |
| VCDI |
0 |
296 |
64 |
892 |
1749 |
5051 |
37240 |
42539 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59551 |
12194 |
103 |
102 |
13 |
0 |
0 |
0 |
| OW |
866 |
2013 |
212 |
224 |
67 |
18 |
2 |
0 |
| VODI |
1893 |
778 |
310 |
660 |
346 |
82 |
13 |
0 |
| ODI |
1685 |
208 |
143 |
547 |
818 |
278 |
67 |
0 |
| CDI |
0 |
248 |
90 |
491 |
2295 |
4322 |
2437 |
8 |
| VCDI |
0 |
292 |
66 |
883 |
1727 |
5086 |
37140 |
42532 |
|
Date: 2024-05-06:
| 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 |
60229 |
12501 |
82 |
55 |
5 |
0 |
0 |
0 |
| OW |
774 |
1987 |
256 |
207 |
32 |
4 |
0 |
0 |
| VODI |
1809 |
453 |
365 |
843 |
435 |
75 |
6 |
0 |
| ODI |
1884 |
134 |
70 |
542 |
1082 |
503 |
42 |
0 |
| CDI |
0 |
103 |
72 |
372 |
1838 |
5130 |
1704 |
3 |
| VCDI |
0 |
104 |
37 |
329 |
954 |
4557 |
38243 |
42989 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60249 |
11674 |
78 |
58 |
11 |
1 |
0 |
0 |
| OW |
874 |
2101 |
188 |
178 |
46 |
15 |
0 |
0 |
| VODI |
1904 |
816 |
280 |
583 |
360 |
113 |
25 |
0 |
| ODI |
1669 |
238 |
147 |
458 |
725 |
410 |
97 |
1 |
| CDI |
0 |
249 |
105 |
604 |
1808 |
4340 |
3368 |
13 |
| VCDI |
0 |
204 |
84 |
467 |
1396 |
5390 |
36505 |
42978 |
|
Date: 2024-05-08:
| 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 |
60277 |
12549 |
61 |
57 |
1 |
0 |
0 |
0 |
| OW |
779 |
2019 |
230 |
231 |
63 |
5 |
1 |
0 |
| VODI |
1816 |
577 |
323 |
725 |
377 |
90 |
16 |
0 |
| ODI |
1873 |
112 |
105 |
571 |
901 |
396 |
108 |
0 |
| CDI |
0 |
156 |
110 |
589 |
2075 |
3987 |
2485 |
0 |
| VCDI |
0 |
46 |
66 |
450 |
1206 |
6081 |
41069 |
38227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60318 |
11726 |
58 |
58 |
7 |
0 |
0 |
0 |
| OW |
857 |
1978 |
160 |
154 |
53 |
27 |
8 |
0 |
| VODI |
1911 |
916 |
257 |
488 |
334 |
93 |
40 |
0 |
| ODI |
1659 |
330 |
144 |
541 |
696 |
328 |
137 |
0 |
| CDI |
0 |
346 |
170 |
785 |
1986 |
3865 |
4192 |
0 |
| VCDI |
0 |
163 |
106 |
597 |
1547 |
6246 |
39302 |
38227 |
|
Date: 2024-05-10:
| 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 |
60789 |
12129 |
85 |
54 |
11 |
1 |
0 |
0 |
| OW |
776 |
2025 |
166 |
234 |
69 |
19 |
0 |
0 |
| VODI |
1828 |
737 |
311 |
650 |
320 |
91 |
18 |
0 |
| ODI |
1857 |
202 |
149 |
583 |
807 |
405 |
118 |
0 |
| CDI |
0 |
216 |
99 |
558 |
2105 |
3736 |
2495 |
6 |
| VCDI |
0 |
166 |
134 |
604 |
1486 |
6468 |
40057 |
38246 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60837 |
11219 |
71 |
63 |
15 |
2 |
0 |
0 |
| OW |
848 |
1937 |
103 |
142 |
57 |
32 |
10 |
0 |
| VODI |
1923 |
1119 |
236 |
498 |
276 |
106 |
43 |
0 |
| ODI |
1642 |
524 |
190 |
528 |
729 |
392 |
130 |
0 |
| CDI |
0 |
415 |
180 |
701 |
1989 |
4039 |
3579 |
31 |
| VCDI |
0 |
261 |
164 |
751 |
1732 |
6149 |
38926 |
38221 |
|
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