Validation of sea ice concentration - Full domain
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 |
19888 |
4539 |
911 |
463 |
106 |
76 |
0 |
| OW |
54 |
422 |
303 |
292 |
310 |
79 |
23 |
0 |
| VODI |
0 |
257 |
347 |
280 |
343 |
159 |
41 |
0 |
| ODI |
0 |
89 |
193 |
216 |
351 |
234 |
57 |
0 |
| CDI |
0 |
44 |
135 |
302 |
517 |
749 |
268 |
0 |
| VCDI |
0 |
139 |
252 |
775 |
1331 |
5340 |
27754 |
62215 |
|
...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 |
15993 |
2983 |
1235 |
547 |
208 |
28 |
0 |
| OW |
54 |
532 |
243 |
239 |
261 |
161 |
4 |
0 |
| VODI |
0 |
333 |
202 |
325 |
283 |
250 |
24 |
0 |
| ODI |
0 |
163 |
90 |
283 |
255 |
237 |
107 |
0 |
| CDI |
0 |
91 |
114 |
307 |
521 |
574 |
402 |
6 |
| VCDI |
0 |
173 |
271 |
682 |
1150 |
5580 |
26520 |
63235 |
|
...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 |
18244 |
3163 |
1061 |
416 |
98 |
59 |
0 |
| OW |
53 |
477 |
243 |
242 |
322 |
76 |
11 |
0 |
| VODI |
0 |
221 |
188 |
352 |
497 |
188 |
26 |
0 |
| ODI |
0 |
78 |
71 |
252 |
470 |
310 |
63 |
0 |
| CDI |
0 |
62 |
33 |
156 |
707 |
830 |
273 |
0 |
| VCDI |
0 |
368 |
386 |
448 |
1530 |
8125 |
24147 |
61375 |
|
...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 |
20844 |
2275 |
1224 |
554 |
220 |
103 |
0 |
| OW |
52 |
524 |
241 |
341 |
317 |
170 |
30 |
0 |
| VODI |
0 |
209 |
167 |
380 |
402 |
303 |
48 |
0 |
| ODI |
0 |
86 |
64 |
243 |
548 |
402 |
80 |
0 |
| CDI |
0 |
87 |
56 |
163 |
786 |
1138 |
528 |
3 |
| VCDI |
0 |
615 |
280 |
437 |
1884 |
7740 |
34675 |
49764 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59065 |
20761 |
2300 |
1214 |
563 |
233 |
100 |
0 |
| OW |
52 |
572 |
189 |
335 |
291 |
149 |
28 |
0 |
| VODI |
0 |
251 |
182 |
376 |
402 |
295 |
48 |
0 |
| ODI |
0 |
84 |
75 |
263 |
538 |
393 |
81 |
0 |
| CDI |
0 |
102 |
61 |
156 |
784 |
1112 |
477 |
2 |
| VCDI |
0 |
595 |
276 |
444 |
1913 |
7791 |
34730 |
49765 |
|
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 |
23227 |
2203 |
1276 |
757 |
282 |
108 |
0 |
| OW |
52 |
559 |
249 |
306 |
289 |
248 |
79 |
0 |
| VODI |
0 |
221 |
177 |
403 |
349 |
419 |
93 |
0 |
| ODI |
0 |
131 |
86 |
275 |
493 |
439 |
115 |
0 |
| CDI |
0 |
140 |
79 |
184 |
773 |
1222 |
575 |
3 |
| VCDI |
0 |
589 |
301 |
440 |
1378 |
7445 |
35033 |
49945 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56105 |
23237 |
2224 |
1272 |
751 |
297 |
110 |
0 |
| OW |
52 |
504 |
186 |
315 |
280 |
236 |
67 |
0 |
| VODI |
0 |
276 |
204 |
389 |
352 |
410 |
92 |
0 |
| ODI |
0 |
134 |
103 |
277 |
467 |
449 |
114 |
0 |
| CDI |
0 |
146 |
80 |
189 |
867 |
1160 |
552 |
6 |
| VCDI |
0 |
570 |
298 |
442 |
1322 |
7503 |
35068 |
49942 |
|
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 |
20567 |
4150 |
1225 |
599 |
185 |
74 |
0 |
| OW |
65 |
246 |
296 |
480 |
379 |
108 |
27 |
0 |
| VODI |
1 |
209 |
157 |
515 |
531 |
238 |
57 |
0 |
| ODI |
0 |
162 |
113 |
321 |
689 |
542 |
73 |
0 |
| CDI |
0 |
112 |
205 |
262 |
907 |
1668 |
678 |
2 |
| VCDI |
0 |
25 |
110 |
206 |
1101 |
6875 |
34936 |
50756 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57206 |
20103 |
4040 |
1308 |
800 |
277 |
87 |
0 |
| OW |
55 |
429 |
244 |
289 |
327 |
267 |
70 |
0 |
| VODI |
1 |
265 |
211 |
415 |
363 |
398 |
73 |
0 |
| ODI |
0 |
129 |
76 |
279 |
387 |
421 |
127 |
0 |
| CDI |
0 |
156 |
55 |
188 |
945 |
1060 |
415 |
18 |
| VCDI |
0 |
239 |
405 |
530 |
1384 |
7193 |
35073 |
50740 |
|
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 |
21914 |
5559 |
980 |
392 |
143 |
54 |
0 |
| OW |
52 |
331 |
397 |
540 |
313 |
112 |
10 |
0 |
| VODI |
0 |
166 |
199 |
384 |
587 |
200 |
17 |
0 |
| ODI |
0 |
135 |
107 |
188 |
531 |
335 |
150 |
0 |
| CDI |
0 |
77 |
78 |
203 |
631 |
1047 |
513 |
7 |
| VCDI |
0 |
354 |
236 |
385 |
1224 |
7949 |
35552 |
49893 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55102 |
21650 |
5416 |
992 |
554 |
197 |
75 |
0 |
| OW |
53 |
332 |
326 |
371 |
289 |
226 |
38 |
0 |
| VODI |
0 |
267 |
214 |
371 |
440 |
252 |
72 |
0 |
| ODI |
0 |
119 |
154 |
202 |
394 |
296 |
123 |
0 |
| CDI |
0 |
111 |
131 |
192 |
509 |
685 |
417 |
3 |
| VCDI |
0 |
498 |
335 |
552 |
1492 |
8130 |
35571 |
49897 |
|
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 |
20597 |
3516 |
878 |
472 |
214 |
16 |
0 |
| OW |
52 |
314 |
281 |
475 |
340 |
177 |
13 |
0 |
| VODI |
0 |
243 |
109 |
462 |
604 |
263 |
30 |
0 |
| ODI |
0 |
92 |
74 |
239 |
506 |
509 |
84 |
0 |
| CDI |
0 |
36 |
51 |
153 |
590 |
1171 |
565 |
0 |
| VCDI |
0 |
139 |
191 |
454 |
1053 |
8453 |
34273 |
51374 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57984 |
20360 |
3453 |
930 |
645 |
445 |
35 |
0 |
| OW |
53 |
319 |
248 |
380 |
288 |
284 |
32 |
0 |
| VODI |
0 |
260 |
137 |
345 |
398 |
352 |
48 |
0 |
| ODI |
0 |
184 |
60 |
187 |
396 |
380 |
102 |
0 |
| CDI |
0 |
126 |
107 |
251 |
493 |
914 |
585 |
6 |
| VCDI |
0 |
172 |
217 |
568 |
1345 |
8412 |
34179 |
51368 |
|
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