Validation of sea ice concentration - Full domain
Bulletin date: 2025-02-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-07:
| 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 |
61429 |
13367 |
188 |
318 |
142 |
19 |
0 |
3 |
| OW |
649 |
1839 |
182 |
278 |
128 |
23 |
4 |
11 |
| VODI |
1795 |
933 |
254 |
540 |
442 |
168 |
22 |
9 |
| ODI |
1905 |
375 |
100 |
293 |
659 |
493 |
230 |
8 |
| CDI |
0 |
368 |
124 |
341 |
642 |
1230 |
720 |
75 |
| VCDI |
0 |
330 |
110 |
357 |
778 |
6003 |
37870 |
45056 |
|
...date precedes bulletin
|
Date: 2025-02-09:
| 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 |
61950 |
12535 |
106 |
183 |
86 |
7 |
0 |
0 |
| OW |
633 |
1916 |
155 |
162 |
125 |
30 |
0 |
0 |
| VODI |
1787 |
1166 |
306 |
526 |
340 |
112 |
13 |
0 |
| ODI |
1917 |
321 |
152 |
560 |
564 |
358 |
80 |
0 |
| CDI |
0 |
207 |
87 |
526 |
896 |
1358 |
771 |
7 |
| VCDI |
0 |
141 |
65 |
305 |
1004 |
6097 |
34979 |
48277 |
|
...date precedes bulletin
|
Date: 2025-02-11:
| 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 |
60553 |
13672 |
217 |
275 |
50 |
3 |
0 |
0 |
| OW |
634 |
1753 |
331 |
383 |
109 |
23 |
0 |
0 |
| VODI |
1789 |
565 |
360 |
757 |
328 |
84 |
11 |
0 |
| ODI |
1915 |
117 |
94 |
546 |
705 |
314 |
45 |
0 |
| CDI |
0 |
47 |
40 |
351 |
1074 |
1665 |
798 |
3 |
| VCDI |
0 |
16 |
18 |
120 |
805 |
5289 |
32970 |
51981 |
|
...date precedes bulletin
|
Date: 2025-02-13:
| 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 |
59233 |
15036 |
178 |
183 |
28 |
1 |
0 |
0 |
| OW |
619 |
1420 |
297 |
369 |
96 |
17 |
0 |
0 |
| VODI |
1785 |
516 |
205 |
643 |
386 |
111 |
1 |
0 |
| ODI |
1921 |
167 |
93 |
395 |
710 |
382 |
26 |
4 |
| CDI |
0 |
90 |
46 |
214 |
1077 |
1968 |
659 |
49 |
| VCDI |
0 |
58 |
44 |
140 |
777 |
6426 |
34785 |
49655 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59233 |
15084 |
186 |
199 |
35 |
5 |
0 |
0 |
| OW |
619 |
1392 |
285 |
391 |
95 |
24 |
0 |
0 |
| VODI |
1786 |
512 |
209 |
599 |
427 |
107 |
2 |
0 |
| ODI |
1920 |
169 |
93 |
390 |
680 |
360 |
24 |
4 |
| CDI |
0 |
70 |
50 |
223 |
1036 |
1997 |
691 |
49 |
| VCDI |
0 |
60 |
40 |
142 |
801 |
6412 |
34754 |
49655 |
|
Date: 2025-02-15:
| 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 |
58594 |
15368 |
239 |
182 |
32 |
5 |
0 |
0 |
| OW |
623 |
1302 |
215 |
355 |
159 |
35 |
0 |
0 |
| VODI |
1759 |
586 |
208 |
426 |
389 |
150 |
13 |
0 |
| ODI |
1952 |
203 |
107 |
362 |
470 |
375 |
41 |
1 |
| CDI |
0 |
106 |
64 |
235 |
813 |
1673 |
735 |
23 |
| VCDI |
0 |
42 |
39 |
168 |
546 |
6459 |
36027 |
49729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58594 |
15471 |
242 |
200 |
39 |
6 |
0 |
0 |
| OW |
623 |
1252 |
231 |
358 |
177 |
43 |
0 |
0 |
| VODI |
1759 |
538 |
194 |
412 |
376 |
183 |
14 |
0 |
| ODI |
1952 |
204 |
107 |
344 |
450 |
362 |
45 |
0 |
| CDI |
0 |
102 |
59 |
245 |
809 |
1761 |
818 |
25 |
| VCDI |
0 |
40 |
39 |
169 |
558 |
6342 |
35939 |
49728 |
|
Date: 2025-02-17:
| 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 |
58798 |
15450 |
251 |
165 |
28 |
8 |
1 |
0 |
| OW |
643 |
1276 |
195 |
310 |
138 |
34 |
1 |
0 |
| VODI |
1747 |
535 |
154 |
305 |
333 |
108 |
17 |
0 |
| ODI |
1966 |
280 |
129 |
305 |
388 |
247 |
53 |
0 |
| CDI |
0 |
161 |
80 |
313 |
786 |
1243 |
892 |
25 |
| VCDI |
0 |
89 |
44 |
186 |
677 |
4227 |
32480 |
55742 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58798 |
15342 |
241 |
148 |
31 |
10 |
2 |
0 |
| OW |
643 |
1325 |
208 |
301 |
142 |
30 |
0 |
0 |
| VODI |
1750 |
598 |
159 |
354 |
337 |
135 |
15 |
0 |
| ODI |
1963 |
287 |
132 |
286 |
410 |
273 |
73 |
0 |
| CDI |
0 |
177 |
75 |
309 |
769 |
1277 |
1051 |
28 |
| VCDI |
0 |
62 |
38 |
186 |
661 |
4142 |
32303 |
55739 |
|
Date: 2025-02-19:
| 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 |
59303 |
15082 |
144 |
118 |
27 |
0 |
0 |
0 |
| OW |
762 |
1598 |
208 |
274 |
73 |
5 |
0 |
0 |
| VODI |
1851 |
563 |
255 |
492 |
307 |
62 |
0 |
0 |
| ODI |
1735 |
149 |
79 |
378 |
632 |
319 |
13 |
0 |
| CDI |
0 |
104 |
58 |
191 |
629 |
1254 |
1146 |
13 |
| VCDI |
0 |
53 |
53 |
173 |
522 |
4211 |
32433 |
55541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59303 |
14691 |
181 |
155 |
46 |
2 |
0 |
0 |
| OW |
760 |
1432 |
163 |
306 |
130 |
26 |
0 |
0 |
| VODI |
1843 |
636 |
160 |
358 |
346 |
128 |
6 |
0 |
| ODI |
1745 |
329 |
95 |
241 |
362 |
291 |
70 |
0 |
| CDI |
0 |
249 |
87 |
268 |
663 |
1025 |
1060 |
7 |
| VCDI |
0 |
212 |
111 |
298 |
643 |
4379 |
32456 |
55547 |
|
Date: 2025-02-21:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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