Validation of sea ice concentration - European sector
Bulletin date: 2022-03-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-11:
| 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 |
57194 |
19813 |
4461 |
891 |
455 |
104 |
76 |
0 |
| OW |
54 |
390 |
278 |
288 |
304 |
76 |
21 |
0 |
| VODI |
0 |
215 |
327 |
274 |
341 |
154 |
38 |
0 |
| ODI |
0 |
71 |
175 |
210 |
344 |
231 |
54 |
0 |
| CDI |
0 |
31 |
114 |
286 |
486 |
667 |
239 |
0 |
| VCDI |
0 |
20 |
161 |
577 |
968 |
3499 |
10123 |
5090 |
|
...date precedes bulletin
|
Date: 2022-03-13:
| 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 |
62382 |
15875 |
2953 |
1215 |
536 |
204 |
28 |
0 |
| OW |
54 |
489 |
231 |
229 |
256 |
159 |
2 |
0 |
| VODI |
0 |
288 |
199 |
318 |
276 |
247 |
24 |
0 |
| ODI |
0 |
127 |
88 |
281 |
250 |
233 |
106 |
0 |
| CDI |
0 |
55 |
99 |
298 |
506 |
507 |
308 |
0 |
| VCDI |
0 |
4 |
150 |
495 |
829 |
3805 |
9974 |
5020 |
|
...date precedes bulletin
|
Date: 2022-03-15:
| 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 |
61427 |
18000 |
3146 |
1058 |
416 |
98 |
59 |
0 |
| OW |
53 |
426 |
236 |
234 |
321 |
76 |
11 |
0 |
| VODI |
0 |
182 |
183 |
341 |
490 |
187 |
26 |
0 |
| ODI |
0 |
51 |
67 |
244 |
462 |
299 |
62 |
0 |
| CDI |
0 |
31 |
20 |
149 |
637 |
728 |
242 |
0 |
| VCDI |
0 |
199 |
244 |
247 |
1083 |
5701 |
9897 |
1767 |
|
...date precedes bulletin
|
Date: 2022-03-17:
| 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 |
59065 |
20594 |
2269 |
1223 |
554 |
220 |
103 |
0 |
| OW |
52 |
467 |
233 |
334 |
315 |
170 |
30 |
0 |
| VODI |
0 |
163 |
155 |
372 |
399 |
301 |
48 |
0 |
| ODI |
0 |
50 |
50 |
222 |
519 |
392 |
80 |
0 |
| CDI |
0 |
53 |
43 |
118 |
647 |
947 |
373 |
0 |
| VCDI |
0 |
343 |
149 |
240 |
1274 |
4792 |
10247 |
1494 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59065 |
20512 |
2294 |
1213 |
563 |
233 |
100 |
0 |
| OW |
52 |
514 |
180 |
328 |
290 |
149 |
28 |
0 |
| VODI |
0 |
192 |
171 |
368 |
398 |
293 |
48 |
0 |
| ODI |
0 |
53 |
60 |
243 |
511 |
384 |
81 |
0 |
| CDI |
0 |
68 |
47 |
112 |
651 |
925 |
335 |
0 |
| VCDI |
0 |
331 |
147 |
245 |
1295 |
4838 |
10289 |
1494 |
|
Date: 2022-03-19:
| 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 |
56105 |
23026 |
2192 |
1275 |
757 |
282 |
108 |
0 |
| OW |
52 |
503 |
234 |
303 |
289 |
248 |
79 |
0 |
| VODI |
0 |
150 |
162 |
389 |
347 |
419 |
93 |
0 |
| ODI |
0 |
65 |
56 |
218 |
463 |
434 |
112 |
0 |
| CDI |
0 |
70 |
48 |
130 |
650 |
1106 |
437 |
0 |
| VCDI |
0 |
261 |
179 |
254 |
788 |
4525 |
10349 |
1942 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56105 |
23026 |
2212 |
1271 |
751 |
297 |
110 |
0 |
| OW |
52 |
452 |
172 |
313 |
280 |
236 |
67 |
0 |
| VODI |
0 |
190 |
187 |
374 |
350 |
410 |
92 |
0 |
| ODI |
0 |
68 |
75 |
225 |
440 |
444 |
109 |
0 |
| CDI |
0 |
76 |
49 |
131 |
740 |
1042 |
420 |
0 |
| VCDI |
0 |
263 |
176 |
255 |
733 |
4585 |
10380 |
1942 |
|
Date: 2022-03-21:
| 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 |
57196 |
20362 |
4115 |
1215 |
599 |
185 |
74 |
0 |
| OW |
65 |
208 |
285 |
453 |
377 |
108 |
27 |
0 |
| VODI |
1 |
98 |
109 |
480 |
507 |
235 |
57 |
0 |
| ODI |
0 |
117 |
78 |
242 |
593 |
512 |
71 |
0 |
| CDI |
0 |
72 |
172 |
194 |
748 |
1413 |
517 |
0 |
| VCDI |
0 |
7 |
98 |
143 |
725 |
4323 |
9999 |
2320 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57206 |
19943 |
4014 |
1301 |
800 |
277 |
87 |
0 |
| OW |
55 |
394 |
235 |
274 |
325 |
267 |
70 |
0 |
| VODI |
1 |
226 |
203 |
393 |
353 |
397 |
73 |
0 |
| ODI |
0 |
76 |
67 |
251 |
363 |
411 |
126 |
0 |
| CDI |
0 |
98 |
44 |
170 |
828 |
933 |
350 |
0 |
| VCDI |
0 |
127 |
294 |
338 |
880 |
4491 |
10039 |
2320 |
|
Date: 2022-03-23:
| 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 |
55103 |
21876 |
5428 |
947 |
380 |
142 |
54 |
0 |
| OW |
52 |
326 |
359 |
526 |
303 |
111 |
10 |
0 |
| VODI |
0 |
133 |
146 |
371 |
578 |
196 |
17 |
0 |
| ODI |
0 |
60 |
72 |
148 |
510 |
323 |
141 |
0 |
| CDI |
0 |
10 |
33 |
118 |
542 |
853 |
315 |
0 |
| VCDI |
0 |
256 |
158 |
241 |
806 |
4394 |
9285 |
3777 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55102 |
21618 |
5311 |
965 |
545 |
196 |
75 |
0 |
| OW |
53 |
327 |
292 |
358 |
280 |
225 |
38 |
0 |
| VODI |
0 |
264 |
179 |
355 |
430 |
248 |
72 |
0 |
| ODI |
0 |
113 |
125 |
193 |
381 |
285 |
123 |
0 |
| CDI |
0 |
70 |
91 |
180 |
476 |
533 |
255 |
0 |
| VCDI |
0 |
269 |
198 |
300 |
1007 |
4532 |
9259 |
3777 |
|
Date: 2022-03-25:
| 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 |
57985 |
20510 |
3483 |
853 |
452 |
211 |
16 |
0 |
| OW |
52 |
295 |
264 |
460 |
323 |
177 |
13 |
0 |
| VODI |
0 |
212 |
94 |
449 |
591 |
262 |
30 |
0 |
| ODI |
0 |
69 |
56 |
227 |
465 |
479 |
74 |
0 |
| CDI |
0 |
4 |
35 |
135 |
460 |
860 |
355 |
0 |
| VCDI |
0 |
92 |
130 |
303 |
622 |
4860 |
9384 |
3758 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57984 |
20285 |
3427 |
913 |
633 |
442 |
35 |
0 |
| OW |
53 |
295 |
233 |
365 |
275 |
284 |
32 |
0 |
| VODI |
0 |
238 |
124 |
331 |
377 |
351 |
48 |
0 |
| ODI |
0 |
170 |
48 |
174 |
384 |
351 |
102 |
0 |
| CDI |
0 |
102 |
86 |
234 |
445 |
798 |
481 |
0 |
| VCDI |
0 |
92 |
144 |
410 |
799 |
4623 |
9174 |
3758 |
|
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