Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-26:
| 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 |
7130 |
8456 |
236 |
136 |
8 |
0 |
0 |
0 |
| OW |
0 |
453 |
322 |
297 |
15 |
0 |
0 |
0 |
| VODI |
0 |
124 |
364 |
1777 |
620 |
20 |
0 |
0 |
| ODI |
0 |
3 |
36 |
1010 |
3707 |
518 |
0 |
0 |
| CDI |
0 |
0 |
2 |
108 |
3657 |
2507 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
355 |
1 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-28:
| 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 |
7928 |
7765 |
220 |
84 |
2 |
0 |
0 |
0 |
| OW |
0 |
574 |
296 |
284 |
8 |
0 |
0 |
0 |
| VODI |
0 |
178 |
453 |
1649 |
614 |
51 |
0 |
0 |
| ODI |
0 |
7 |
37 |
1031 |
3646 |
557 |
0 |
0 |
| CDI |
0 |
0 |
1 |
99 |
3545 |
2518 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
423 |
50 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-30:
| 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 |
8385 |
8010 |
331 |
158 |
4 |
0 |
0 |
0 |
| OW |
0 |
249 |
395 |
440 |
9 |
0 |
0 |
0 |
| VODI |
0 |
54 |
241 |
1536 |
575 |
13 |
0 |
0 |
| ODI |
0 |
7 |
19 |
665 |
5759 |
1102 |
8 |
0 |
| CDI |
0 |
0 |
0 |
43 |
1182 |
2505 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
384 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-01:
| 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 |
8887 |
7459 |
332 |
154 |
1 |
0 |
0 |
0 |
| OW |
0 |
315 |
316 |
460 |
21 |
0 |
0 |
0 |
| VODI |
0 |
98 |
272 |
1235 |
762 |
80 |
0 |
0 |
| ODI |
0 |
11 |
43 |
595 |
4404 |
2065 |
185 |
0 |
| CDI |
0 |
0 |
0 |
77 |
1005 |
2722 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
498 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8887 |
7471 |
337 |
163 |
1 |
0 |
0 |
0 |
| OW |
0 |
298 |
310 |
463 |
21 |
0 |
0 |
0 |
| VODI |
0 |
98 |
263 |
1179 |
732 |
99 |
0 |
0 |
| ODI |
0 |
16 |
52 |
639 |
4367 |
2000 |
175 |
0 |
| CDI |
0 |
0 |
1 |
77 |
1072 |
2747 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
519 |
0 |
0 |
|
Date: 2022-09-03:
| 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 |
8289 |
7859 |
354 |
121 |
0 |
0 |
0 |
0 |
| OW |
0 |
355 |
415 |
377 |
6 |
0 |
0 |
0 |
| VODI |
0 |
96 |
299 |
1551 |
410 |
12 |
0 |
0 |
| ODI |
0 |
6 |
32 |
840 |
4633 |
1216 |
2 |
0 |
| CDI |
0 |
0 |
4 |
186 |
1627 |
2804 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
61 |
444 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8289 |
7895 |
361 |
161 |
1 |
0 |
0 |
0 |
| OW |
0 |
308 |
372 |
355 |
14 |
0 |
0 |
0 |
| VODI |
0 |
102 |
322 |
1467 |
437 |
17 |
0 |
0 |
| ODI |
0 |
11 |
45 |
874 |
4412 |
1223 |
2 |
0 |
| CDI |
0 |
0 |
4 |
218 |
1809 |
2736 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
500 |
0 |
0 |
|
Date: 2022-09-05:
| 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 |
8634 |
7861 |
609 |
179 |
0 |
0 |
0 |
0 |
| OW |
0 |
193 |
352 |
611 |
11 |
0 |
0 |
0 |
| VODI |
0 |
33 |
163 |
1602 |
509 |
5 |
0 |
0 |
| ODI |
0 |
0 |
10 |
673 |
4742 |
1115 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
1463 |
3138 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
117 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8634 |
7502 |
351 |
89 |
3 |
0 |
0 |
0 |
| OW |
0 |
386 |
327 |
321 |
24 |
0 |
0 |
0 |
| VODI |
0 |
166 |
361 |
1352 |
329 |
9 |
0 |
0 |
| ODI |
0 |
33 |
88 |
1040 |
3608 |
1121 |
0 |
0 |
| CDI |
0 |
0 |
7 |
305 |
2500 |
2514 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
279 |
731 |
0 |
0 |
|
Date: 2022-09-07:
| 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 |
8304 |
8369 |
597 |
170 |
0 |
0 |
0 |
0 |
| OW |
0 |
223 |
319 |
580 |
28 |
0 |
0 |
0 |
| VODI |
0 |
50 |
164 |
1251 |
414 |
41 |
0 |
0 |
| ODI |
0 |
0 |
22 |
775 |
3420 |
1374 |
5 |
0 |
| CDI |
0 |
0 |
0 |
39 |
1549 |
3886 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
451 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8304 |
7901 |
299 |
82 |
1 |
0 |
0 |
0 |
| OW |
0 |
426 |
321 |
275 |
31 |
3 |
0 |
0 |
| VODI |
0 |
248 |
330 |
1093 |
258 |
50 |
0 |
0 |
| ODI |
0 |
67 |
149 |
1065 |
2343 |
1383 |
3 |
0 |
| CDI |
0 |
0 |
3 |
275 |
2464 |
3160 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
343 |
1156 |
0 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8626 |
7693 |
302 |
96 |
2 |
0 |
0 |
0 |
| OW |
0 |
439 |
292 |
219 |
48 |
0 |
0 |
0 |
| VODI |
0 |
293 |
386 |
1021 |
277 |
35 |
0 |
0 |
| ODI |
0 |
64 |
160 |
849 |
2158 |
1174 |
0 |
0 |
| CDI |
0 |
0 |
3 |
158 |
2013 |
4148 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
367 |
1127 |
0 |
0 |
|
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