Validation of sea ice concentration - Asian sector
Bulletin date: 2020-05-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-05-15:
| 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 |
5 |
905 |
20 |
95 |
8 |
0 |
0 |
0 |
| OW |
0 |
154 |
25 |
333 |
126 |
3 |
0 |
0 |
| VODI |
0 |
84 |
9 |
165 |
316 |
35 |
3 |
0 |
| ODI |
0 |
29 |
5 |
124 |
272 |
115 |
25 |
0 |
| CDI |
0 |
23 |
3 |
142 |
532 |
722 |
349 |
18 |
| VCDI |
0 |
11 |
2 |
119 |
823 |
3582 |
10773 |
12127 |
|
...date precedes bulletin
|
Date: 2020-05-17:
| 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 |
7 |
1041 |
28 |
189 |
12 |
0 |
0 |
0 |
| OW |
0 |
219 |
19 |
337 |
81 |
0 |
0 |
0 |
| VODI |
0 |
106 |
10 |
134 |
244 |
51 |
5 |
0 |
| ODI |
0 |
42 |
10 |
140 |
251 |
182 |
28 |
8 |
| CDI |
0 |
33 |
2 |
169 |
560 |
1055 |
462 |
9 |
| VCDI |
0 |
15 |
3 |
165 |
918 |
3299 |
10114 |
12134 |
|
...date precedes bulletin
|
Date: 2020-05-19:
| 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 |
8 |
1460 |
48 |
219 |
13 |
0 |
0 |
0 |
| OW |
0 |
125 |
29 |
288 |
67 |
5 |
1 |
0 |
| VODI |
0 |
19 |
3 |
223 |
332 |
26 |
3 |
0 |
| ODI |
0 |
18 |
4 |
99 |
444 |
196 |
19 |
0 |
| CDI |
0 |
17 |
5 |
200 |
971 |
1376 |
318 |
0 |
| VCDI |
0 |
0 |
0 |
69 |
701 |
3036 |
9892 |
11848 |
|
...date precedes bulletin
|
Date: 2020-05-21:
| 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 |
42 |
1716 |
55 |
201 |
11 |
0 |
0 |
0 |
| OW |
0 |
77 |
20 |
292 |
68 |
1 |
1 |
0 |
| VODI |
0 |
31 |
7 |
164 |
356 |
7 |
4 |
0 |
| ODI |
0 |
31 |
4 |
85 |
383 |
185 |
31 |
0 |
| CDI |
0 |
44 |
6 |
189 |
1186 |
1022 |
633 |
0 |
| VCDI |
0 |
2 |
3 |
35 |
521 |
3202 |
14379 |
7088 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
42 |
1753 |
61 |
243 |
12 |
0 |
1 |
0 |
| OW |
0 |
47 |
14 |
219 |
50 |
1 |
0 |
0 |
| VODI |
0 |
29 |
7 |
198 |
316 |
5 |
5 |
0 |
| ODI |
0 |
25 |
4 |
84 |
437 |
175 |
38 |
0 |
| CDI |
0 |
35 |
5 |
178 |
1141 |
1043 |
676 |
0 |
| VCDI |
0 |
12 |
4 |
44 |
569 |
3193 |
14328 |
7088 |
|
Date: 2020-05-23:
| 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 |
10 |
1952 |
59 |
221 |
21 |
0 |
0 |
0 |
| OW |
0 |
87 |
14 |
154 |
157 |
2 |
0 |
0 |
| VODI |
0 |
51 |
7 |
112 |
347 |
79 |
3 |
0 |
| ODI |
0 |
78 |
7 |
102 |
270 |
426 |
29 |
0 |
| CDI |
0 |
41 |
11 |
210 |
939 |
1364 |
735 |
0 |
| VCDI |
0 |
0 |
0 |
51 |
516 |
5106 |
13150 |
5771 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10 |
1970 |
59 |
232 |
39 |
2 |
0 |
0 |
| OW |
0 |
74 |
14 |
124 |
115 |
0 |
0 |
0 |
| VODI |
0 |
57 |
7 |
143 |
347 |
61 |
3 |
0 |
| ODI |
0 |
52 |
8 |
103 |
289 |
400 |
40 |
0 |
| CDI |
0 |
52 |
4 |
180 |
815 |
1445 |
736 |
0 |
| VCDI |
0 |
4 |
6 |
68 |
645 |
5069 |
13138 |
5771 |
|
Date: 2020-05-25:
| 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 |
39 |
2072 |
40 |
142 |
32 |
0 |
0 |
0 |
| OW |
0 |
91 |
36 |
247 |
33 |
2 |
0 |
0 |
| VODI |
0 |
11 |
9 |
301 |
312 |
2 |
13 |
0 |
| ODI |
0 |
8 |
2 |
90 |
854 |
223 |
56 |
0 |
| CDI |
0 |
1 |
2 |
69 |
971 |
2155 |
427 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
191 |
5928 |
12378 |
5332 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39 |
1891 |
40 |
209 |
47 |
1 |
0 |
0 |
| OW |
0 |
99 |
19 |
139 |
142 |
4 |
0 |
0 |
| VODI |
0 |
100 |
13 |
176 |
370 |
92 |
9 |
0 |
| ODI |
0 |
59 |
7 |
109 |
467 |
394 |
132 |
0 |
| CDI |
0 |
28 |
8 |
164 |
837 |
1541 |
1092 |
4 |
| VCDI |
0 |
6 |
2 |
65 |
530 |
6278 |
11641 |
5328 |
|
Date: 2020-05-27:
| 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 |
1 |
2136 |
65 |
238 |
32 |
1 |
0 |
0 |
| OW |
0 |
29 |
18 |
371 |
77 |
15 |
13 |
0 |
| VODI |
0 |
18 |
1 |
166 |
522 |
54 |
10 |
0 |
| ODI |
0 |
12 |
1 |
43 |
733 |
428 |
40 |
0 |
| CDI |
0 |
15 |
2 |
75 |
979 |
2353 |
340 |
0 |
| VCDI |
0 |
5 |
5 |
34 |
365 |
6075 |
11732 |
5078 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1940 |
41 |
249 |
78 |
1 |
0 |
0 |
| OW |
0 |
85 |
21 |
183 |
176 |
15 |
2 |
0 |
| VODI |
0 |
90 |
10 |
193 |
481 |
216 |
36 |
0 |
| ODI |
0 |
43 |
8 |
82 |
467 |
719 |
106 |
0 |
| CDI |
0 |
29 |
5 |
149 |
810 |
1795 |
989 |
0 |
| VCDI |
0 |
28 |
7 |
71 |
696 |
6180 |
11002 |
5078 |
|
Date: 2020-05-29:
| 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 |
2 |
2224 |
68 |
328 |
39 |
23 |
1 |
0 |
| OW |
0 |
53 |
16 |
333 |
169 |
21 |
0 |
0 |
| VODI |
0 |
35 |
5 |
180 |
637 |
114 |
13 |
0 |
| ODI |
0 |
24 |
2 |
91 |
547 |
762 |
35 |
0 |
| CDI |
0 |
25 |
3 |
107 |
976 |
2210 |
737 |
3 |
| VCDI |
0 |
8 |
3 |
35 |
428 |
6179 |
11655 |
3991 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
2019 |
48 |
336 |
112 |
16 |
1 |
0 |
| OW |
0 |
94 |
19 |
198 |
277 |
52 |
2 |
0 |
| VODI |
0 |
124 |
10 |
142 |
539 |
307 |
30 |
0 |
| ODI |
0 |
61 |
10 |
92 |
317 |
857 |
190 |
1 |
| CDI |
0 |
35 |
5 |
231 |
893 |
2076 |
1256 |
18 |
| VCDI |
0 |
36 |
5 |
75 |
658 |
6001 |
10962 |
3975 |
|
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