Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-09:
| 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 |
8626 |
8145 |
508 |
160 |
0 |
0 |
0 |
0 |
| OW |
0 |
265 |
386 |
617 |
31 |
0 |
0 |
0 |
| VODI |
0 |
75 |
217 |
1032 |
458 |
21 |
0 |
0 |
| ODI |
0 |
4 |
32 |
549 |
2955 |
1280 |
3 |
0 |
| CDI |
0 |
0 |
0 |
19 |
1374 |
4663 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
520 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-11:
| 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 |
9548 |
7377 |
305 |
107 |
9 |
0 |
0 |
0 |
| OW |
0 |
443 |
401 |
461 |
92 |
0 |
0 |
0 |
| VODI |
0 |
159 |
264 |
735 |
514 |
59 |
0 |
0 |
| ODI |
0 |
10 |
48 |
465 |
2253 |
1149 |
33 |
0 |
| CDI |
0 |
0 |
0 |
37 |
757 |
5499 |
486 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
830 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-13:
| 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 |
9891 |
7851 |
641 |
309 |
2 |
0 |
0 |
0 |
| OW |
0 |
180 |
256 |
396 |
39 |
0 |
0 |
0 |
| VODI |
0 |
50 |
105 |
778 |
308 |
24 |
0 |
0 |
| ODI |
0 |
4 |
13 |
228 |
2222 |
447 |
2 |
0 |
| CDI |
0 |
0 |
0 |
17 |
913 |
6510 |
362 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
529 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-15:
| 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 |
10051 |
7739 |
527 |
282 |
1 |
0 |
0 |
0 |
| OW |
0 |
312 |
328 |
347 |
19 |
0 |
0 |
0 |
| VODI |
0 |
92 |
168 |
718 |
253 |
32 |
0 |
0 |
| ODI |
0 |
15 |
34 |
410 |
1574 |
452 |
1 |
0 |
| CDI |
0 |
0 |
1 |
45 |
737 |
6780 |
302 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
17 |
839 |
2 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10051 |
7696 |
560 |
366 |
1 |
0 |
0 |
0 |
| OW |
0 |
326 |
272 |
295 |
38 |
0 |
0 |
0 |
| VODI |
0 |
120 |
181 |
603 |
233 |
24 |
0 |
0 |
| ODI |
0 |
16 |
44 |
497 |
1184 |
295 |
1 |
0 |
| CDI |
0 |
0 |
1 |
45 |
1136 |
6997 |
295 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
787 |
9 |
0 |
|
Date: 2022-09-17:
| 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 |
8999 |
8760 |
511 |
143 |
0 |
0 |
0 |
0 |
| OW |
0 |
393 |
290 |
373 |
23 |
0 |
0 |
0 |
| VODI |
0 |
120 |
224 |
633 |
266 |
44 |
0 |
0 |
| ODI |
0 |
16 |
41 |
376 |
983 |
608 |
0 |
0 |
| CDI |
0 |
0 |
4 |
45 |
457 |
6961 |
509 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
967 |
319 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8999 |
8673 |
583 |
275 |
3 |
0 |
0 |
0 |
| OW |
0 |
455 |
203 |
273 |
44 |
8 |
0 |
0 |
| VODI |
0 |
148 |
228 |
561 |
209 |
30 |
0 |
0 |
| ODI |
0 |
13 |
51 |
410 |
776 |
359 |
0 |
0 |
| CDI |
0 |
0 |
5 |
51 |
701 |
7152 |
508 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1031 |
320 |
0 |
|
Date: 2022-09-19:
| 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 |
10137 |
7621 |
493 |
162 |
0 |
0 |
0 |
0 |
| OW |
0 |
153 |
372 |
374 |
28 |
0 |
0 |
0 |
| VODI |
0 |
22 |
76 |
754 |
276 |
29 |
0 |
0 |
| ODI |
0 |
3 |
12 |
162 |
776 |
292 |
1 |
0 |
| CDI |
0 |
0 |
3 |
12 |
247 |
5731 |
1148 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1419 |
1768 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10137 |
7374 |
542 |
282 |
15 |
0 |
0 |
0 |
| OW |
0 |
351 |
208 |
343 |
69 |
14 |
0 |
0 |
| VODI |
0 |
67 |
177 |
562 |
273 |
50 |
0 |
0 |
| ODI |
0 |
7 |
26 |
233 |
647 |
344 |
6 |
0 |
| CDI |
0 |
0 |
3 |
44 |
323 |
5815 |
1757 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1248 |
1154 |
0 |
|
Date: 2022-09-21:
| 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 |
9176 |
8440 |
374 |
118 |
5 |
0 |
0 |
0 |
| OW |
0 |
334 |
356 |
321 |
43 |
12 |
0 |
0 |
| VODI |
0 |
53 |
138 |
646 |
264 |
61 |
2 |
0 |
| ODI |
0 |
1 |
11 |
100 |
579 |
355 |
17 |
0 |
| CDI |
0 |
0 |
0 |
22 |
175 |
3389 |
1298 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1780 |
4009 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9176 |
8061 |
488 |
215 |
28 |
6 |
0 |
0 |
| OW |
0 |
573 |
191 |
263 |
79 |
13 |
0 |
0 |
| VODI |
0 |
172 |
147 |
480 |
219 |
66 |
1 |
0 |
| ODI |
0 |
21 |
43 |
191 |
390 |
363 |
26 |
0 |
| CDI |
0 |
1 |
10 |
52 |
334 |
3187 |
1631 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
19 |
1962 |
3668 |
0 |
|
Date: 2022-09-23:
| 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 |
10038 |
7117 |
253 |
142 |
16 |
1 |
0 |
0 |
| OW |
0 |
576 |
268 |
363 |
82 |
12 |
0 |
0 |
| VODI |
0 |
127 |
138 |
389 |
430 |
110 |
0 |
0 |
| ODI |
0 |
2 |
30 |
95 |
314 |
451 |
22 |
0 |
| CDI |
0 |
0 |
0 |
38 |
167 |
1749 |
695 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
34 |
2449 |
5970 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10038 |
6992 |
391 |
323 |
78 |
20 |
0 |
0 |
| OW |
0 |
488 |
150 |
277 |
96 |
29 |
0 |
0 |
| VODI |
0 |
247 |
66 |
246 |
376 |
170 |
8 |
0 |
| ODI |
0 |
71 |
47 |
74 |
213 |
338 |
58 |
0 |
| CDI |
0 |
24 |
35 |
107 |
220 |
1590 |
1003 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
60 |
2625 |
5618 |
0 |
|
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