Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-20:
| 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 |
0 |
175 |
51 |
21 |
2 |
0 |
0 |
0 |
| OW |
0 |
35 |
78 |
79 |
20 |
4 |
0 |
0 |
| VODI |
0 |
11 |
33 |
115 |
85 |
27 |
5 |
0 |
| ODI |
0 |
24 |
46 |
114 |
146 |
66 |
59 |
0 |
| CDI |
0 |
30 |
126 |
230 |
444 |
588 |
491 |
32 |
| VCDI |
0 |
92 |
123 |
446 |
1337 |
4075 |
13177 |
9695 |
|
...date precedes bulletin
|
Date: 2022-05-22:
| 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 |
0 |
103 |
35 |
32 |
5 |
2 |
0 |
0 |
| OW |
0 |
7 |
23 |
99 |
66 |
8 |
0 |
0 |
| VODI |
0 |
19 |
33 |
108 |
89 |
47 |
12 |
0 |
| ODI |
0 |
51 |
30 |
82 |
174 |
67 |
90 |
0 |
| CDI |
0 |
109 |
92 |
241 |
563 |
667 |
794 |
0 |
| VCDI |
0 |
102 |
205 |
404 |
1383 |
4594 |
16621 |
5125 |
|
...date precedes bulletin
|
Date: 2022-05-24:
| 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 |
0 |
37 |
45 |
24 |
3 |
1 |
1 |
0 |
| OW |
0 |
31 |
44 |
83 |
37 |
2 |
1 |
0 |
| VODI |
0 |
52 |
56 |
180 |
110 |
18 |
8 |
0 |
| ODI |
0 |
40 |
46 |
127 |
255 |
91 |
52 |
0 |
| CDI |
0 |
135 |
84 |
347 |
994 |
1173 |
506 |
0 |
| VCDI |
0 |
117 |
97 |
316 |
975 |
4599 |
15173 |
6222 |
|
...date precedes bulletin
|
Date: 2022-05-26:
| 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 |
0 |
71 |
67 |
48 |
4 |
0 |
0 |
0 |
| OW |
0 |
18 |
24 |
102 |
38 |
6 |
0 |
0 |
| VODI |
0 |
37 |
39 |
157 |
109 |
10 |
3 |
0 |
| ODI |
0 |
25 |
45 |
176 |
239 |
75 |
27 |
0 |
| CDI |
0 |
93 |
78 |
284 |
820 |
1316 |
641 |
0 |
| VCDI |
0 |
121 |
99 |
324 |
906 |
4332 |
16243 |
5505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
76 |
61 |
52 |
11 |
0 |
0 |
0 |
| OW |
0 |
19 |
24 |
96 |
33 |
3 |
0 |
0 |
| VODI |
0 |
32 |
44 |
148 |
83 |
13 |
3 |
0 |
| ODI |
0 |
26 |
37 |
180 |
239 |
72 |
46 |
0 |
| CDI |
0 |
103 |
101 |
290 |
843 |
1372 |
696 |
0 |
| VCDI |
0 |
109 |
85 |
325 |
907 |
4279 |
16169 |
5505 |
|
Date: 2022-05-28:
| 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 |
0 |
116 |
78 |
91 |
3 |
0 |
0 |
0 |
| OW |
0 |
40 |
67 |
72 |
11 |
1 |
1 |
0 |
| VODI |
0 |
34 |
67 |
169 |
85 |
10 |
4 |
0 |
| ODI |
0 |
32 |
49 |
152 |
210 |
67 |
32 |
0 |
| CDI |
0 |
65 |
72 |
279 |
946 |
1291 |
622 |
0 |
| VCDI |
0 |
136 |
99 |
327 |
956 |
4552 |
15273 |
6073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
114 |
84 |
115 |
3 |
0 |
0 |
0 |
| OW |
0 |
45 |
44 |
58 |
13 |
2 |
0 |
0 |
| VODI |
0 |
35 |
87 |
145 |
55 |
6 |
7 |
0 |
| ODI |
0 |
32 |
42 |
174 |
249 |
51 |
52 |
0 |
| CDI |
0 |
71 |
84 |
275 |
950 |
1376 |
679 |
0 |
| VCDI |
0 |
126 |
91 |
323 |
941 |
4486 |
15194 |
6073 |
|
Date: 2022-05-30:
| 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 |
0 |
217 |
154 |
64 |
11 |
0 |
0 |
0 |
| OW |
0 |
76 |
75 |
88 |
13 |
5 |
2 |
0 |
| VODI |
0 |
52 |
86 |
252 |
107 |
8 |
3 |
0 |
| ODI |
0 |
18 |
39 |
274 |
324 |
203 |
18 |
0 |
| CDI |
0 |
68 |
94 |
332 |
857 |
1735 |
535 |
0 |
| VCDI |
0 |
87 |
58 |
158 |
611 |
4052 |
16263 |
5143 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
201 |
124 |
70 |
11 |
1 |
0 |
0 |
| OW |
0 |
67 |
61 |
57 |
19 |
3 |
1 |
0 |
| VODI |
0 |
43 |
69 |
130 |
69 |
8 |
2 |
0 |
| ODI |
0 |
35 |
52 |
224 |
164 |
96 |
56 |
0 |
| CDI |
0 |
56 |
68 |
322 |
770 |
1422 |
842 |
0 |
| VCDI |
0 |
116 |
132 |
365 |
890 |
4473 |
15920 |
5143 |
|
Date: 2022-06-01:
| 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 |
0 |
319 |
125 |
37 |
8 |
0 |
0 |
0 |
| OW |
0 |
96 |
81 |
91 |
6 |
4 |
2 |
0 |
| VODI |
0 |
45 |
110 |
228 |
118 |
34 |
1 |
0 |
| ODI |
0 |
18 |
55 |
231 |
262 |
176 |
109 |
0 |
| CDI |
0 |
92 |
93 |
420 |
920 |
1474 |
1226 |
0 |
| VCDI |
0 |
121 |
99 |
235 |
941 |
5462 |
16960 |
1883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
236 |
70 |
38 |
9 |
0 |
0 |
0 |
| OW |
0 |
91 |
38 |
41 |
17 |
0 |
0 |
0 |
| VODI |
0 |
102 |
98 |
125 |
61 |
23 |
10 |
0 |
| ODI |
0 |
31 |
114 |
189 |
150 |
144 |
149 |
0 |
| CDI |
0 |
80 |
99 |
414 |
673 |
1065 |
1262 |
0 |
| VCDI |
0 |
151 |
144 |
435 |
1345 |
5918 |
16877 |
1883 |
|
Date: 2022-06-03:
| 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 |
0 |
359 |
91 |
20 |
0 |
3 |
0 |
0 |
| OW |
0 |
116 |
108 |
68 |
23 |
5 |
1 |
0 |
| VODI |
0 |
71 |
142 |
218 |
96 |
34 |
32 |
0 |
| ODI |
0 |
33 |
91 |
243 |
233 |
160 |
105 |
0 |
| CDI |
0 |
66 |
119 |
478 |
994 |
1342 |
1292 |
34 |
| VCDI |
0 |
151 |
190 |
334 |
843 |
5132 |
17409 |
1446 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
254 |
48 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
86 |
47 |
39 |
17 |
3 |
2 |
0 |
| VODI |
0 |
118 |
93 |
77 |
69 |
51 |
79 |
0 |
| ODI |
0 |
86 |
137 |
181 |
126 |
113 |
200 |
0 |
| CDI |
0 |
84 |
177 |
528 |
733 |
1110 |
1340 |
31 |
| VCDI |
0 |
168 |
239 |
509 |
1244 |
5399 |
17218 |
1449 |
|
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