Validation of sea ice concentration - Full domain
Bulletin date: 2022-02-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-11:
| 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 |
59383 |
20385 |
3290 |
794 |
280 |
126 |
15 |
0 |
| OW |
52 |
535 |
275 |
365 |
197 |
66 |
33 |
0 |
| VODI |
0 |
435 |
178 |
391 |
327 |
144 |
45 |
0 |
| ODI |
0 |
241 |
128 |
261 |
412 |
220 |
70 |
0 |
| CDI |
0 |
167 |
152 |
298 |
771 |
655 |
386 |
6 |
| VCDI |
0 |
430 |
271 |
591 |
1630 |
5615 |
29727 |
57701 |
|
...date precedes bulletin
|
Date: 2022-02-13:
| 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 |
60422 |
20018 |
2159 |
802 |
310 |
113 |
10 |
0 |
| OW |
53 |
407 |
275 |
455 |
198 |
101 |
25 |
0 |
| VODI |
0 |
379 |
138 |
537 |
347 |
136 |
32 |
0 |
| ODI |
0 |
201 |
102 |
288 |
429 |
245 |
77 |
0 |
| CDI |
0 |
121 |
173 |
323 |
723 |
807 |
395 |
73 |
| VCDI |
0 |
268 |
389 |
521 |
1523 |
6067 |
27483 |
59923 |
|
...date precedes bulletin
|
Date: 2022-02-15:
| 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 |
55043 |
23743 |
3626 |
861 |
340 |
115 |
45 |
0 |
| OW |
53 |
330 |
303 |
396 |
220 |
84 |
21 |
0 |
| VODI |
0 |
208 |
157 |
547 |
369 |
186 |
38 |
0 |
| ODI |
0 |
214 |
88 |
342 |
467 |
258 |
104 |
0 |
| CDI |
0 |
124 |
55 |
234 |
726 |
900 |
385 |
16 |
| VCDI |
0 |
220 |
184 |
475 |
1126 |
6057 |
24768 |
63620 |
|
...date precedes bulletin
|
Date: 2022-02-17:
| 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 |
55209 |
24275 |
2602 |
874 |
366 |
78 |
66 |
0 |
| OW |
54 |
419 |
207 |
402 |
280 |
82 |
35 |
0 |
| VODI |
0 |
211 |
174 |
358 |
427 |
194 |
71 |
0 |
| ODI |
0 |
121 |
92 |
192 |
471 |
200 |
103 |
0 |
| CDI |
0 |
161 |
124 |
192 |
677 |
668 |
350 |
9 |
| VCDI |
0 |
302 |
270 |
507 |
1243 |
5979 |
25528 |
63475 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55209 |
24333 |
2630 |
945 |
414 |
81 |
68 |
0 |
| OW |
54 |
373 |
185 |
358 |
273 |
97 |
30 |
0 |
| VODI |
0 |
202 |
169 |
335 |
399 |
182 |
78 |
0 |
| ODI |
0 |
113 |
84 |
197 |
444 |
211 |
99 |
0 |
| CDI |
0 |
184 |
127 |
184 |
701 |
643 |
366 |
10 |
| VCDI |
0 |
284 |
274 |
506 |
1233 |
5987 |
25512 |
63474 |
|
Date: 2022-02-19:
| 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 |
54932 |
22247 |
4418 |
964 |
377 |
67 |
72 |
0 |
| OW |
54 |
359 |
285 |
382 |
270 |
78 |
45 |
0 |
| VODI |
0 |
198 |
273 |
312 |
487 |
149 |
46 |
0 |
| ODI |
0 |
86 |
147 |
225 |
448 |
203 |
79 |
0 |
| CDI |
0 |
61 |
109 |
235 |
546 |
704 |
263 |
2 |
| VCDI |
0 |
209 |
195 |
573 |
1390 |
6348 |
29261 |
59949 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54932 |
22294 |
4426 |
1049 |
414 |
82 |
76 |
0 |
| OW |
54 |
330 |
288 |
338 |
295 |
69 |
37 |
0 |
| VODI |
0 |
178 |
261 |
302 |
451 |
143 |
46 |
0 |
| ODI |
0 |
86 |
141 |
194 |
437 |
211 |
80 |
0 |
| CDI |
0 |
71 |
110 |
210 |
550 |
654 |
280 |
1 |
| VCDI |
0 |
201 |
201 |
598 |
1371 |
6390 |
29247 |
59950 |
|
Date: 2022-02-21:
| 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 |
57464 |
21469 |
2306 |
796 |
301 |
93 |
76 |
0 |
| OW |
54 |
432 |
258 |
436 |
266 |
94 |
23 |
0 |
| VODI |
0 |
212 |
153 |
443 |
485 |
186 |
44 |
0 |
| ODI |
0 |
64 |
80 |
238 |
511 |
363 |
50 |
0 |
| CDI |
0 |
22 |
59 |
176 |
553 |
1172 |
271 |
5 |
| VCDI |
0 |
79 |
108 |
310 |
794 |
6513 |
32470 |
57619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57464 |
21515 |
2330 |
996 |
446 |
153 |
88 |
0 |
| OW |
54 |
317 |
194 |
347 |
324 |
126 |
41 |
0 |
| VODI |
0 |
209 |
141 |
258 |
439 |
239 |
65 |
0 |
| ODI |
0 |
88 |
88 |
187 |
318 |
387 |
85 |
0 |
| CDI |
0 |
60 |
81 |
210 |
404 |
849 |
369 |
22 |
| VCDI |
0 |
89 |
130 |
401 |
979 |
6667 |
32286 |
57602 |
|
Date: 2022-02-23:
| 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 |
54484 |
20984 |
5513 |
1020 |
356 |
133 |
55 |
0 |
| OW |
55 |
215 |
333 |
371 |
315 |
107 |
27 |
0 |
| VODI |
0 |
124 |
198 |
333 |
447 |
225 |
34 |
0 |
| ODI |
0 |
49 |
123 |
166 |
391 |
314 |
75 |
0 |
| CDI |
0 |
26 |
89 |
169 |
399 |
896 |
359 |
16 |
| VCDI |
0 |
51 |
99 |
347 |
1046 |
6332 |
33172 |
57600 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54484 |
20965 |
5456 |
1052 |
496 |
220 |
66 |
0 |
| OW |
55 |
177 |
319 |
330 |
360 |
177 |
41 |
0 |
| VODI |
0 |
129 |
208 |
294 |
359 |
239 |
66 |
0 |
| ODI |
0 |
70 |
112 |
161 |
326 |
342 |
117 |
0 |
| CDI |
0 |
37 |
124 |
156 |
347 |
879 |
466 |
4 |
| VCDI |
0 |
71 |
136 |
413 |
1066 |
6150 |
32966 |
57612 |
|
Date: 2022-02-25:
| 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 |
51510 |
24989 |
4020 |
1480 |
368 |
94 |
69 |
0 |
| OW |
55 |
358 |
348 |
309 |
234 |
114 |
26 |
0 |
| VODI |
0 |
224 |
271 |
323 |
367 |
188 |
46 |
0 |
| ODI |
0 |
106 |
126 |
281 |
360 |
216 |
84 |
0 |
| CDI |
0 |
84 |
83 |
199 |
449 |
573 |
136 |
0 |
| VCDI |
0 |
148 |
140 |
311 |
1224 |
5594 |
34334 |
57207 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51511 |
25014 |
4043 |
1622 |
516 |
191 |
100 |
0 |
| OW |
54 |
287 |
281 |
255 |
288 |
192 |
44 |
0 |
| VODI |
0 |
231 |
251 |
243 |
362 |
238 |
109 |
0 |
| ODI |
0 |
97 |
155 |
206 |
291 |
285 |
101 |
0 |
| CDI |
0 |
104 |
101 |
222 |
382 |
590 |
244 |
12 |
| VCDI |
0 |
176 |
157 |
355 |
1163 |
5283 |
34097 |
57195 |
|
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