Validation of sea ice concentration - Asian sector
Bulletin date: 2021-06-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-28:
| 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 |
0 |
332 |
16 |
159 |
7 |
0 |
0 |
0 |
| OW |
0 |
169 |
23 |
261 |
114 |
7 |
0 |
0 |
| VODI |
0 |
131 |
23 |
237 |
347 |
28 |
14 |
0 |
| ODI |
0 |
155 |
19 |
275 |
452 |
182 |
44 |
0 |
| CDI |
0 |
334 |
51 |
521 |
1556 |
2610 |
501 |
11 |
| VCDI |
0 |
0 |
0 |
42 |
580 |
4526 |
9527 |
8828 |
|
...date precedes bulletin
|
Date: 2021-05-30:
| 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 |
0 |
463 |
15 |
144 |
11 |
0 |
0 |
0 |
| OW |
0 |
132 |
13 |
328 |
84 |
1 |
0 |
0 |
| VODI |
0 |
161 |
26 |
312 |
335 |
42 |
14 |
0 |
| ODI |
0 |
161 |
20 |
324 |
422 |
217 |
86 |
0 |
| CDI |
0 |
412 |
53 |
595 |
1504 |
2688 |
621 |
0 |
| VCDI |
0 |
3 |
1 |
46 |
781 |
5461 |
9953 |
6653 |
|
...date precedes bulletin
|
Date: 2021-06-01:
| 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 |
0 |
900 |
38 |
194 |
11 |
0 |
0 |
0 |
| OW |
0 |
220 |
42 |
382 |
113 |
1 |
0 |
0 |
| VODI |
0 |
144 |
21 |
527 |
350 |
35 |
0 |
0 |
| ODI |
0 |
264 |
17 |
308 |
650 |
334 |
9 |
0 |
| CDI |
0 |
145 |
26 |
289 |
1495 |
3375 |
375 |
0 |
| VCDI |
0 |
14 |
3 |
22 |
711 |
4422 |
8641 |
8004 |
|
...date precedes bulletin
|
Date: 2021-06-03:
| 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 |
0 |
1126 |
53 |
177 |
27 |
1 |
0 |
0 |
| OW |
0 |
274 |
51 |
420 |
165 |
9 |
0 |
0 |
| VODI |
0 |
173 |
13 |
426 |
428 |
30 |
1 |
0 |
| ODI |
0 |
266 |
22 |
329 |
748 |
524 |
22 |
5 |
| CDI |
0 |
139 |
19 |
239 |
1927 |
2710 |
771 |
41 |
| VCDI |
0 |
17 |
2 |
71 |
696 |
3523 |
8289 |
8348 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1227 |
63 |
278 |
66 |
0 |
0 |
0 |
| OW |
0 |
191 |
42 |
348 |
172 |
9 |
0 |
0 |
| VODI |
0 |
160 |
13 |
401 |
443 |
45 |
1 |
0 |
| ODI |
0 |
264 |
21 |
311 |
714 |
530 |
23 |
5 |
| CDI |
0 |
138 |
19 |
254 |
1895 |
2645 |
823 |
42 |
| VCDI |
0 |
15 |
2 |
70 |
701 |
3568 |
8236 |
8347 |
|
Date: 2021-06-05:
| 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 |
0 |
1284 |
61 |
224 |
65 |
1 |
0 |
0 |
| OW |
0 |
273 |
33 |
329 |
231 |
0 |
0 |
0 |
| VODI |
0 |
241 |
34 |
337 |
473 |
75 |
0 |
0 |
| ODI |
0 |
240 |
25 |
356 |
709 |
821 |
37 |
6 |
| CDI |
0 |
157 |
20 |
332 |
2546 |
2030 |
935 |
61 |
| VCDI |
0 |
9 |
2 |
55 |
1187 |
3473 |
9641 |
5779 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1371 |
67 |
276 |
119 |
1 |
0 |
0 |
| OW |
0 |
227 |
37 |
263 |
237 |
2 |
0 |
0 |
| VODI |
0 |
219 |
23 |
354 |
442 |
140 |
0 |
0 |
| ODI |
0 |
228 |
28 |
361 |
730 |
734 |
47 |
7 |
| CDI |
0 |
150 |
18 |
307 |
2414 |
2039 |
1017 |
62 |
| VCDI |
0 |
9 |
2 |
72 |
1269 |
3484 |
9549 |
5777 |
|
Date: 2021-06-07:
| 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 |
0 |
1825 |
82 |
230 |
61 |
0 |
0 |
0 |
| OW |
0 |
303 |
55 |
370 |
126 |
3 |
0 |
0 |
| VODI |
0 |
180 |
25 |
579 |
513 |
11 |
0 |
0 |
| ODI |
0 |
107 |
18 |
229 |
1914 |
268 |
3 |
7 |
| CDI |
0 |
43 |
6 |
64 |
2206 |
3057 |
372 |
10 |
| VCDI |
0 |
1 |
0 |
2 |
744 |
5596 |
9754 |
3318 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1529 |
96 |
310 |
161 |
3 |
0 |
0 |
| OW |
0 |
258 |
13 |
211 |
262 |
29 |
0 |
0 |
| VODI |
0 |
281 |
35 |
364 |
533 |
207 |
1 |
4 |
| ODI |
0 |
270 |
18 |
315 |
993 |
663 |
52 |
5 |
| CDI |
0 |
120 |
23 |
259 |
2340 |
2223 |
1132 |
36 |
| VCDI |
0 |
1 |
1 |
15 |
1275 |
5810 |
8944 |
3290 |
|
Date: 2021-06-09:
| 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 |
0 |
2281 |
95 |
337 |
93 |
0 |
0 |
0 |
| OW |
0 |
308 |
50 |
420 |
234 |
11 |
0 |
0 |
| VODI |
0 |
198 |
15 |
366 |
690 |
79 |
0 |
6 |
| ODI |
0 |
102 |
24 |
228 |
1713 |
895 |
2 |
2 |
| CDI |
0 |
45 |
7 |
59 |
1234 |
3162 |
455 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
1026 |
4510 |
9087 |
4335 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1792 |
79 |
358 |
216 |
0 |
0 |
0 |
| OW |
0 |
299 |
26 |
181 |
294 |
55 |
0 |
1 |
| VODI |
0 |
382 |
35 |
317 |
613 |
371 |
15 |
5 |
| ODI |
0 |
321 |
21 |
263 |
1039 |
633 |
48 |
6 |
| CDI |
0 |
140 |
30 |
284 |
1808 |
2830 |
1529 |
19 |
| VCDI |
0 |
0 |
0 |
7 |
1020 |
4768 |
7952 |
4325 |
|
Date: 2021-06-11:
| 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 |
21 |
2588 |
86 |
383 |
94 |
0 |
0 |
0 |
| OW |
0 |
333 |
45 |
416 |
319 |
12 |
0 |
0 |
| VODI |
0 |
195 |
23 |
336 |
831 |
124 |
0 |
6 |
| ODI |
0 |
91 |
20 |
286 |
1627 |
1058 |
17 |
2 |
| CDI |
0 |
45 |
9 |
60 |
742 |
3053 |
674 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
639 |
4186 |
7249 |
6496 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21 |
2040 |
64 |
399 |
269 |
1 |
0 |
1 |
| OW |
0 |
362 |
25 |
175 |
311 |
77 |
0 |
4 |
| VODI |
0 |
454 |
37 |
342 |
723 |
414 |
0 |
4 |
| ODI |
0 |
308 |
30 |
295 |
1066 |
612 |
52 |
8 |
| CDI |
0 |
88 |
27 |
270 |
1584 |
3509 |
2029 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
299 |
3820 |
5859 |
6488 |
|
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