Validation of sea ice concentration - European sector
Bulletin date: 2022-04-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-08:
| 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 |
64383 |
17321 |
1218 |
759 |
303 |
93 |
101 |
0 |
| OW |
61 |
285 |
185 |
360 |
253 |
108 |
63 |
0 |
| VODI |
0 |
134 |
169 |
269 |
416 |
189 |
111 |
0 |
| ODI |
0 |
34 |
68 |
201 |
378 |
443 |
150 |
0 |
| CDI |
0 |
4 |
18 |
158 |
451 |
768 |
472 |
0 |
| VCDI |
0 |
0 |
0 |
74 |
560 |
2347 |
9869 |
6324 |
|
...date precedes bulletin
|
Date: 2022-04-10:
| 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 |
59459 |
21598 |
1925 |
804 |
276 |
112 |
120 |
0 |
| OW |
52 |
342 |
175 |
390 |
197 |
102 |
74 |
0 |
| VODI |
0 |
162 |
155 |
342 |
357 |
222 |
113 |
0 |
| ODI |
0 |
34 |
103 |
239 |
305 |
445 |
145 |
0 |
| CDI |
0 |
2 |
30 |
222 |
572 |
715 |
470 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
459 |
1689 |
9762 |
6871 |
|
...date precedes bulletin
|
Date: 2022-04-12:
| 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 |
62855 |
19002 |
1808 |
782 |
284 |
74 |
67 |
0 |
| OW |
61 |
309 |
202 |
327 |
211 |
72 |
36 |
0 |
| VODI |
0 |
161 |
188 |
282 |
396 |
136 |
41 |
0 |
| ODI |
0 |
30 |
72 |
231 |
451 |
376 |
117 |
0 |
| CDI |
0 |
5 |
23 |
148 |
598 |
857 |
822 |
0 |
| VCDI |
0 |
0 |
0 |
49 |
248 |
2057 |
9591 |
6131 |
|
...date precedes bulletin
|
Date: 2022-04-14:
| 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 |
64577 |
17055 |
2109 |
699 |
299 |
98 |
40 |
0 |
| OW |
61 |
225 |
206 |
433 |
221 |
93 |
20 |
0 |
| VODI |
0 |
79 |
120 |
390 |
427 |
188 |
41 |
0 |
| ODI |
0 |
15 |
39 |
250 |
453 |
363 |
136 |
0 |
| CDI |
0 |
1 |
5 |
188 |
522 |
1072 |
704 |
0 |
| VCDI |
0 |
0 |
1 |
50 |
309 |
1967 |
9060 |
6584 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64577 |
17081 |
2120 |
728 |
289 |
92 |
39 |
0 |
| OW |
61 |
198 |
190 |
400 |
217 |
92 |
19 |
0 |
| VODI |
0 |
74 |
123 |
382 |
416 |
168 |
41 |
0 |
| ODI |
0 |
21 |
43 |
257 |
473 |
366 |
129 |
0 |
| CDI |
0 |
1 |
3 |
198 |
520 |
1059 |
772 |
0 |
| VCDI |
0 |
0 |
1 |
45 |
316 |
2004 |
9001 |
6584 |
|
Date: 2022-04-16:
| 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 |
63260 |
18759 |
1583 |
774 |
295 |
143 |
46 |
0 |
| OW |
66 |
267 |
233 |
350 |
256 |
100 |
17 |
0 |
| VODI |
0 |
90 |
133 |
311 |
463 |
272 |
38 |
0 |
| ODI |
0 |
23 |
36 |
174 |
405 |
489 |
134 |
0 |
| CDI |
0 |
1 |
8 |
105 |
603 |
940 |
432 |
0 |
| VCDI |
0 |
2 |
5 |
55 |
263 |
2206 |
10008 |
5755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63262 |
18787 |
1613 |
826 |
303 |
131 |
44 |
0 |
| OW |
64 |
244 |
220 |
300 |
259 |
106 |
18 |
0 |
| VODI |
0 |
87 |
119 |
325 |
441 |
307 |
40 |
0 |
| ODI |
0 |
21 |
33 |
162 |
437 |
434 |
130 |
0 |
| CDI |
0 |
1 |
8 |
98 |
562 |
909 |
406 |
0 |
| VCDI |
0 |
2 |
5 |
58 |
283 |
2263 |
10037 |
5755 |
|
Date: 2022-04-18:
| 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 |
59421 |
23052 |
1216 |
595 |
203 |
76 |
63 |
0 |
| OW |
68 |
341 |
322 |
382 |
209 |
50 |
13 |
0 |
| VODI |
0 |
85 |
152 |
503 |
447 |
153 |
30 |
0 |
| ODI |
0 |
6 |
21 |
176 |
855 |
430 |
59 |
0 |
| CDI |
0 |
3 |
11 |
88 |
419 |
1178 |
369 |
0 |
| VCDI |
0 |
1 |
4 |
61 |
149 |
2041 |
9952 |
5896 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59431 |
23054 |
1334 |
757 |
288 |
119 |
75 |
0 |
| OW |
58 |
276 |
183 |
318 |
264 |
72 |
22 |
0 |
| VODI |
0 |
129 |
144 |
318 |
507 |
235 |
66 |
0 |
| ODI |
0 |
22 |
45 |
201 |
408 |
314 |
126 |
0 |
| CDI |
0 |
4 |
13 |
120 |
486 |
770 |
313 |
0 |
| VCDI |
0 |
3 |
7 |
91 |
329 |
2418 |
9884 |
5896 |
|
Date: 2022-04-20:
| 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 |
62856 |
19457 |
1572 |
562 |
195 |
49 |
48 |
0 |
| OW |
67 |
333 |
241 |
418 |
178 |
79 |
16 |
0 |
| VODI |
0 |
114 |
171 |
399 |
483 |
233 |
26 |
0 |
| ODI |
0 |
17 |
35 |
174 |
495 |
372 |
100 |
0 |
| CDI |
0 |
4 |
15 |
101 |
434 |
1274 |
362 |
0 |
| VCDI |
0 |
1 |
3 |
39 |
264 |
3145 |
10198 |
4570 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62862 |
19367 |
1610 |
714 |
275 |
88 |
68 |
0 |
| OW |
61 |
326 |
166 |
319 |
247 |
108 |
26 |
0 |
| VODI |
0 |
173 |
140 |
297 |
478 |
276 |
73 |
0 |
| ODI |
0 |
49 |
69 |
148 |
327 |
420 |
153 |
0 |
| CDI |
0 |
9 |
43 |
106 |
372 |
919 |
313 |
0 |
| VCDI |
0 |
2 |
9 |
109 |
350 |
3341 |
10117 |
4570 |
|
Date: 2022-04-22:
| 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 |
64495 |
18346 |
993 |
753 |
273 |
52 |
39 |
0 |
| OW |
53 |
285 |
218 |
452 |
436 |
86 |
6 |
0 |
| VODI |
0 |
109 |
106 |
386 |
562 |
256 |
40 |
0 |
| ODI |
0 |
15 |
44 |
122 |
401 |
469 |
92 |
0 |
| CDI |
0 |
7 |
22 |
108 |
443 |
1325 |
355 |
0 |
| VCDI |
0 |
0 |
4 |
50 |
328 |
3294 |
9054 |
5021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64495 |
18267 |
988 |
946 |
384 |
90 |
50 |
0 |
| OW |
53 |
290 |
133 |
275 |
279 |
120 |
24 |
0 |
| VODI |
0 |
163 |
130 |
274 |
532 |
262 |
72 |
0 |
| ODI |
0 |
34 |
81 |
143 |
338 |
525 |
132 |
0 |
| CDI |
0 |
8 |
52 |
155 |
397 |
936 |
314 |
0 |
| VCDI |
0 |
0 |
3 |
78 |
513 |
3549 |
8994 |
5021 |
|
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