Validation of sea ice concentration - Asian sector
Bulletin date: 2022-07-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-08:
| 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 |
142 |
4866 |
1079 |
559 |
53 |
2 |
0 |
0 |
| OW |
0 |
195 |
304 |
659 |
273 |
46 |
0 |
0 |
| VODI |
0 |
110 |
181 |
688 |
518 |
124 |
4 |
0 |
| ODI |
0 |
55 |
46 |
404 |
1009 |
316 |
12 |
0 |
| CDI |
0 |
21 |
24 |
247 |
2447 |
8336 |
731 |
0 |
| VCDI |
0 |
4 |
13 |
19 |
493 |
4918 |
3184 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-10:
| 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 |
82 |
5555 |
854 |
482 |
78 |
6 |
0 |
0 |
| OW |
2 |
250 |
312 |
590 |
249 |
52 |
0 |
0 |
| VODI |
0 |
110 |
241 |
642 |
486 |
108 |
4 |
0 |
| ODI |
0 |
40 |
67 |
447 |
898 |
282 |
12 |
0 |
| CDI |
0 |
15 |
34 |
285 |
3260 |
9055 |
1638 |
0 |
| VCDI |
0 |
3 |
1 |
6 |
206 |
3122 |
2608 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-12:
| 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 |
116 |
6027 |
965 |
729 |
71 |
19 |
0 |
0 |
| OW |
2 |
166 |
257 |
596 |
181 |
28 |
0 |
0 |
| VODI |
0 |
46 |
123 |
858 |
634 |
43 |
1 |
0 |
| ODI |
0 |
3 |
12 |
359 |
1536 |
346 |
0 |
0 |
| CDI |
0 |
1 |
15 |
159 |
3748 |
8550 |
1522 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
75 |
2993 |
1901 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-14:
| 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 |
1232 |
4619 |
1464 |
793 |
85 |
3 |
0 |
0 |
| OW |
2 |
212 |
269 |
656 |
232 |
24 |
0 |
0 |
| VODI |
0 |
54 |
178 |
820 |
519 |
120 |
0 |
0 |
| ODI |
0 |
0 |
34 |
331 |
942 |
968 |
3 |
0 |
| CDI |
0 |
1 |
14 |
218 |
3378 |
9874 |
1580 |
0 |
| VCDI |
0 |
1 |
0 |
3 |
55 |
2495 |
903 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1232 |
4641 |
1481 |
847 |
125 |
5 |
0 |
0 |
| OW |
2 |
177 |
260 |
577 |
209 |
20 |
0 |
0 |
| VODI |
0 |
66 |
169 |
818 |
465 |
115 |
0 |
0 |
| ODI |
0 |
1 |
37 |
363 |
1070 |
971 |
2 |
0 |
| CDI |
0 |
2 |
12 |
216 |
3277 |
9667 |
1554 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
2706 |
930 |
0 |
|
Date: 2022-07-16:
| 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 |
341 |
6335 |
1059 |
675 |
51 |
2 |
0 |
0 |
| OW |
2 |
274 |
348 |
670 |
150 |
12 |
0 |
0 |
| VODI |
0 |
80 |
260 |
828 |
425 |
48 |
0 |
0 |
| ODI |
0 |
4 |
51 |
359 |
1439 |
642 |
5 |
0 |
| CDI |
0 |
1 |
5 |
309 |
3633 |
9806 |
2079 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
257 |
1638 |
294 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
341 |
6380 |
1080 |
721 |
91 |
2 |
0 |
0 |
| OW |
2 |
207 |
313 |
614 |
109 |
16 |
0 |
0 |
| VODI |
0 |
100 |
267 |
814 |
405 |
49 |
0 |
0 |
| ODI |
0 |
6 |
58 |
383 |
1620 |
702 |
12 |
0 |
| CDI |
0 |
1 |
5 |
309 |
3439 |
9824 |
2010 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
291 |
1555 |
356 |
0 |
|
Date: 2022-07-18:
| 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 |
418 |
6667 |
1232 |
521 |
26 |
0 |
0 |
0 |
| OW |
0 |
354 |
386 |
528 |
67 |
5 |
0 |
0 |
| VODI |
0 |
51 |
219 |
807 |
362 |
25 |
0 |
0 |
| ODI |
0 |
4 |
23 |
396 |
2327 |
641 |
0 |
0 |
| CDI |
0 |
0 |
13 |
110 |
2888 |
11255 |
1200 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
11 |
565 |
980 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
418 |
6600 |
1197 |
542 |
61 |
4 |
0 |
0 |
| OW |
0 |
317 |
345 |
544 |
90 |
11 |
0 |
0 |
| VODI |
0 |
149 |
227 |
640 |
395 |
75 |
0 |
0 |
| ODI |
0 |
10 |
80 |
388 |
1598 |
1100 |
22 |
0 |
| CDI |
0 |
1 |
24 |
248 |
3118 |
10235 |
2036 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
419 |
1066 |
122 |
0 |
|
Date: 2022-07-20:
| 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 |
1738 |
6461 |
608 |
413 |
34 |
0 |
0 |
0 |
| OW |
1 |
309 |
364 |
401 |
87 |
8 |
0 |
0 |
| VODI |
0 |
75 |
221 |
754 |
317 |
29 |
0 |
0 |
| ODI |
0 |
24 |
52 |
473 |
2260 |
960 |
17 |
0 |
| CDI |
0 |
2 |
20 |
116 |
3321 |
9755 |
2404 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
112 |
693 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1738 |
6167 |
596 |
448 |
83 |
3 |
0 |
0 |
| OW |
1 |
429 |
303 |
396 |
69 |
9 |
0 |
0 |
| VODI |
0 |
216 |
228 |
578 |
360 |
58 |
0 |
0 |
| ODI |
0 |
48 |
109 |
488 |
1576 |
1253 |
88 |
0 |
| CDI |
0 |
11 |
29 |
247 |
3906 |
8910 |
2842 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
631 |
184 |
0 |
|
Date: 2022-07-22:
| 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 |
1573 |
6760 |
780 |
280 |
43 |
2 |
0 |
0 |
| OW |
0 |
509 |
318 |
314 |
53 |
4 |
0 |
0 |
| VODI |
0 |
230 |
240 |
653 |
301 |
36 |
0 |
0 |
| ODI |
0 |
43 |
85 |
445 |
1935 |
1526 |
54 |
0 |
| CDI |
0 |
10 |
27 |
133 |
2453 |
9233 |
3543 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
54 |
27 |
417 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1573 |
6502 |
805 |
286 |
73 |
2 |
0 |
0 |
| OW |
0 |
557 |
230 |
250 |
32 |
5 |
0 |
0 |
| VODI |
0 |
370 |
225 |
530 |
338 |
90 |
0 |
0 |
| ODI |
0 |
101 |
157 |
456 |
1378 |
1678 |
224 |
0 |
| CDI |
0 |
22 |
33 |
304 |
2951 |
8937 |
3539 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
116 |
251 |
0 |
|
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