Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-26
Data source: OSI SAF N.H. 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 |
159 |
11 |
76 |
3 |
0 |
0 |
0 |
| OW |
0 |
46 |
12 |
117 |
41 |
0 |
0 |
0 |
| VODI |
0 |
6 |
3 |
131 |
128 |
8 |
0 |
0 |
| ODI |
0 |
7 |
5 |
130 |
215 |
72 |
26 |
0 |
| CDI |
0 |
53 |
11 |
156 |
614 |
711 |
367 |
29 |
| VCDI |
0 |
85 |
8 |
222 |
1579 |
4221 |
10642 |
12188 |
|
...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 |
85 |
10 |
76 |
6 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
127 |
72 |
4 |
0 |
0 |
| VODI |
0 |
2 |
4 |
127 |
149 |
22 |
4 |
0 |
| ODI |
0 |
50 |
7 |
62 |
229 |
105 |
41 |
0 |
| CDI |
0 |
102 |
9 |
137 |
738 |
821 |
655 |
4 |
| VCDI |
0 |
128 |
17 |
210 |
1688 |
4348 |
11007 |
11036 |
|
...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 |
74 |
6 |
28 |
3 |
0 |
0 |
0 |
| OW |
0 |
32 |
11 |
133 |
22 |
0 |
0 |
0 |
| VODI |
0 |
34 |
10 |
183 |
172 |
24 |
1 |
0 |
| ODI |
0 |
42 |
1 |
66 |
391 |
87 |
24 |
0 |
| CDI |
0 |
103 |
12 |
173 |
1353 |
1383 |
215 |
0 |
| VCDI |
0 |
97 |
10 |
152 |
1152 |
4845 |
10254 |
10989 |
|
...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 |
137 |
5 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
13 |
119 |
41 |
0 |
0 |
0 |
| VODI |
0 |
5 |
5 |
172 |
160 |
12 |
1 |
0 |
| ODI |
0 |
23 |
5 |
109 |
359 |
67 |
24 |
0 |
| CDI |
0 |
108 |
7 |
142 |
1194 |
1496 |
285 |
0 |
| VCDI |
0 |
92 |
11 |
176 |
1060 |
4755 |
10344 |
11092 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
6 |
66 |
0 |
0 |
0 |
0 |
| OW |
0 |
24 |
10 |
103 |
38 |
0 |
0 |
0 |
| VODI |
0 |
8 |
7 |
158 |
136 |
12 |
2 |
0 |
| ODI |
0 |
23 |
4 |
108 |
349 |
70 |
46 |
0 |
| CDI |
0 |
112 |
8 |
170 |
1219 |
1570 |
326 |
0 |
| VCDI |
0 |
85 |
11 |
161 |
1072 |
4678 |
10280 |
11092 |
|
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 |
223 |
11 |
53 |
1 |
0 |
0 |
0 |
| OW |
0 |
63 |
13 |
105 |
10 |
0 |
1 |
0 |
| VODI |
0 |
18 |
7 |
203 |
132 |
7 |
2 |
0 |
| ODI |
0 |
8 |
6 |
187 |
264 |
58 |
19 |
0 |
| CDI |
0 |
80 |
8 |
153 |
1301 |
1393 |
340 |
0 |
| VCDI |
0 |
115 |
15 |
194 |
968 |
4782 |
10390 |
10952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
228 |
13 |
73 |
2 |
0 |
0 |
0 |
| OW |
0 |
48 |
13 |
88 |
12 |
1 |
0 |
0 |
| VODI |
0 |
28 |
6 |
193 |
98 |
5 |
5 |
0 |
| ODI |
0 |
11 |
5 |
190 |
299 |
60 |
35 |
0 |
| CDI |
0 |
89 |
10 |
166 |
1290 |
1478 |
402 |
0 |
| VCDI |
0 |
103 |
13 |
185 |
975 |
4696 |
10310 |
10952 |
|
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 |
370 |
10 |
57 |
9 |
0 |
0 |
0 |
| OW |
0 |
94 |
18 |
127 |
19 |
0 |
1 |
0 |
| VODI |
0 |
18 |
12 |
317 |
152 |
9 |
0 |
0 |
| ODI |
0 |
22 |
6 |
180 |
608 |
57 |
3 |
0 |
| CDI |
0 |
105 |
13 |
235 |
1076 |
2059 |
133 |
0 |
| VCDI |
0 |
72 |
6 |
92 |
493 |
4448 |
12828 |
8433 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
300 |
9 |
87 |
11 |
0 |
0 |
0 |
| OW |
0 |
76 |
9 |
93 |
28 |
1 |
1 |
0 |
| VODI |
0 |
76 |
11 |
120 |
106 |
7 |
1 |
0 |
| ODI |
0 |
20 |
8 |
223 |
280 |
54 |
42 |
0 |
| CDI |
0 |
66 |
12 |
238 |
1021 |
1626 |
517 |
0 |
| VCDI |
0 |
143 |
16 |
247 |
911 |
4885 |
12404 |
8433 |
|
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 |
392 |
6 |
74 |
17 |
0 |
0 |
0 |
| OW |
0 |
97 |
13 |
130 |
39 |
0 |
1 |
0 |
| VODI |
0 |
57 |
15 |
237 |
221 |
6 |
0 |
0 |
| ODI |
0 |
30 |
10 |
186 |
456 |
149 |
20 |
0 |
| CDI |
0 |
110 |
13 |
302 |
1241 |
1804 |
755 |
0 |
| VCDI |
0 |
99 |
10 |
186 |
850 |
5388 |
11921 |
7247 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
270 |
6 |
50 |
27 |
0 |
0 |
0 |
| OW |
0 |
73 |
3 |
73 |
38 |
0 |
0 |
0 |
| VODI |
0 |
135 |
9 |
123 |
133 |
12 |
7 |
0 |
| ODI |
0 |
70 |
19 |
217 |
257 |
136 |
78 |
0 |
| CDI |
0 |
106 |
14 |
312 |
929 |
1383 |
849 |
0 |
| VCDI |
0 |
131 |
16 |
340 |
1440 |
5816 |
11763 |
7247 |
|
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 |
421 |
9 |
33 |
10 |
0 |
0 |
0 |
| OW |
0 |
123 |
14 |
142 |
41 |
0 |
1 |
0 |
| VODI |
0 |
83 |
33 |
274 |
166 |
32 |
5 |
0 |
| ODI |
0 |
59 |
5 |
177 |
466 |
122 |
36 |
0 |
| CDI |
0 |
158 |
11 |
197 |
1457 |
1410 |
1063 |
29 |
| VCDI |
0 |
195 |
23 |
219 |
1050 |
4701 |
12206 |
7111 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
271 |
6 |
41 |
11 |
0 |
0 |
0 |
| OW |
0 |
79 |
3 |
73 |
37 |
1 |
1 |
0 |
| VODI |
0 |
135 |
12 |
113 |
138 |
60 |
29 |
0 |
| ODI |
0 |
127 |
33 |
178 |
240 |
104 |
161 |
0 |
| CDI |
0 |
169 |
13 |
324 |
1092 |
1250 |
1128 |
27 |
| VCDI |
0 |
258 |
28 |
313 |
1672 |
4850 |
11992 |
7113 |
|
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