Validation of sea ice concentration - Asian sector
Bulletin date: 2022-08-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-19:
| 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 |
8099 |
6591 |
36 |
57 |
0 |
0 |
0 |
0 |
| OW |
0 |
564 |
54 |
290 |
21 |
0 |
0 |
0 |
| VODI |
0 |
274 |
52 |
1240 |
894 |
12 |
0 |
0 |
| ODI |
0 |
17 |
6 |
400 |
4115 |
2492 |
24 |
0 |
| CDI |
0 |
0 |
0 |
7 |
1157 |
4176 |
1110 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
388 |
6 |
|
...date precedes bulletin
|
Date: 2022-08-21:
| 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 |
8313 |
6480 |
29 |
62 |
0 |
0 |
0 |
0 |
| OW |
0 |
704 |
62 |
364 |
26 |
0 |
0 |
0 |
| VODI |
0 |
415 |
67 |
1271 |
1083 |
69 |
0 |
0 |
| ODI |
0 |
23 |
8 |
509 |
4051 |
2246 |
29 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1256 |
4268 |
384 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
100 |
242 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-23:
| 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 |
8414 |
7419 |
19 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
504 |
101 |
315 |
6 |
0 |
0 |
0 |
| VODI |
0 |
85 |
44 |
1888 |
577 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
275 |
4907 |
301 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1858 |
4878 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
117 |
284 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-25:
| 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 |
8238 |
7664 |
14 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
685 |
90 |
230 |
0 |
0 |
0 |
0 |
| VODI |
0 |
304 |
102 |
1961 |
507 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
609 |
4646 |
41 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
3843 |
2615 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
348 |
1 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8238 |
7800 |
33 |
63 |
0 |
0 |
0 |
0 |
| OW |
0 |
605 |
75 |
266 |
6 |
0 |
0 |
0 |
| VODI |
0 |
248 |
96 |
1870 |
643 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
630 |
4307 |
81 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
4040 |
2597 |
113 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
326 |
16 |
0 |
|
Date: 2022-08-27:
| 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 |
8379 |
7582 |
8 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
901 |
65 |
172 |
0 |
0 |
0 |
0 |
| VODI |
0 |
411 |
128 |
1931 |
453 |
0 |
0 |
0 |
| ODI |
0 |
10 |
5 |
825 |
4273 |
154 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
3820 |
2292 |
150 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
349 |
113 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8379 |
7784 |
15 |
43 |
0 |
0 |
0 |
0 |
| OW |
0 |
729 |
67 |
215 |
1 |
0 |
0 |
0 |
| VODI |
0 |
384 |
120 |
1962 |
523 |
0 |
0 |
0 |
| ODI |
0 |
7 |
4 |
721 |
3939 |
186 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
4086 |
2288 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
321 |
119 |
0 |
|
Date: 2022-08-29:
| 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 |
9101 |
7606 |
14 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
736 |
110 |
269 |
0 |
0 |
0 |
0 |
| VODI |
0 |
93 |
70 |
1979 |
340 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
170 |
7184 |
314 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1140 |
2582 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
304 |
20 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9101 |
7082 |
19 |
29 |
0 |
0 |
0 |
0 |
| OW |
0 |
848 |
39 |
192 |
4 |
0 |
0 |
0 |
| VODI |
0 |
497 |
130 |
1657 |
651 |
76 |
0 |
0 |
| ODI |
0 |
8 |
6 |
556 |
3929 |
347 |
7 |
0 |
| CDI |
0 |
0 |
0 |
0 |
4080 |
2304 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
475 |
20 |
0 |
|
Date: 2022-08-31:
| 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 |
9898 |
6951 |
26 |
20 |
0 |
0 |
0 |
0 |
| OW |
0 |
781 |
79 |
223 |
4 |
0 |
0 |
0 |
| VODI |
0 |
184 |
87 |
1595 |
562 |
0 |
0 |
0 |
| ODI |
0 |
9 |
5 |
383 |
5896 |
1171 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1041 |
2695 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
448 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9898 |
6249 |
12 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
916 |
45 |
146 |
1 |
0 |
0 |
0 |
| VODI |
0 |
697 |
118 |
1439 |
726 |
29 |
0 |
0 |
| ODI |
0 |
63 |
22 |
619 |
3490 |
563 |
3 |
0 |
| CDI |
0 |
0 |
0 |
10 |
3286 |
3144 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
578 |
0 |
0 |
|
Date: 2022-09-02:
| 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 |
9993 |
6708 |
8 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
846 |
88 |
203 |
6 |
0 |
0 |
0 |
| VODI |
0 |
252 |
78 |
1670 |
423 |
0 |
0 |
0 |
| ODI |
0 |
33 |
9 |
486 |
5103 |
1392 |
35 |
0 |
| CDI |
0 |
0 |
0 |
93 |
1361 |
2556 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
490 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9993 |
6082 |
8 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
908 |
42 |
173 |
6 |
0 |
0 |
0 |
| VODI |
0 |
775 |
107 |
1518 |
553 |
21 |
0 |
0 |
| ODI |
0 |
74 |
26 |
741 |
2965 |
714 |
23 |
0 |
| CDI |
0 |
0 |
0 |
29 |
3369 |
3038 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
665 |
0 |
0 |
|
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