Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-18:
| 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 |
0 |
84 |
34 |
74 |
52 |
1 |
0 |
0 |
| OW |
0 |
15 |
6 |
18 |
16 |
5 |
0 |
0 |
| VODI |
0 |
23 |
17 |
9 |
15 |
5 |
0 |
0 |
| ODI |
0 |
26 |
19 |
4 |
4 |
12 |
1 |
0 |
| CDI |
0 |
44 |
28 |
29 |
18 |
91 |
88 |
8 |
| VCDI |
0 |
240 |
174 |
414 |
346 |
1247 |
10813 |
18102 |
|
...date precedes bulletin
|
Date: 2022-02-20:
| 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 |
66 |
25 |
86 |
33 |
0 |
0 |
0 |
| OW |
0 |
15 |
5 |
28 |
16 |
2 |
0 |
0 |
| VODI |
0 |
19 |
14 |
22 |
12 |
4 |
0 |
0 |
| ODI |
0 |
12 |
12 |
9 |
31 |
6 |
1 |
0 |
| CDI |
0 |
24 |
17 |
8 |
56 |
75 |
63 |
3 |
| VCDI |
0 |
174 |
162 |
224 |
504 |
2063 |
11559 |
16732 |
|
...date precedes bulletin
|
Date: 2022-02-22:
| 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 |
100 |
22 |
29 |
35 |
0 |
0 |
0 |
| OW |
0 |
11 |
5 |
20 |
24 |
3 |
0 |
0 |
| VODI |
0 |
8 |
5 |
19 |
16 |
5 |
2 |
0 |
| ODI |
0 |
6 |
10 |
9 |
8 |
6 |
5 |
0 |
| CDI |
0 |
10 |
14 |
17 |
14 |
86 |
94 |
0 |
| VCDI |
0 |
51 |
77 |
169 |
271 |
1189 |
10591 |
19151 |
|
...date precedes bulletin
|
Date: 2022-02-24:
| 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 |
2 |
146 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
4 |
23 |
25 |
9 |
0 |
0 |
0 |
| VODI |
0 |
0 |
28 |
28 |
11 |
0 |
0 |
0 |
| ODI |
0 |
0 |
27 |
4 |
5 |
7 |
0 |
0 |
| CDI |
0 |
0 |
30 |
9 |
10 |
69 |
16 |
6 |
| VCDI |
0 |
84 |
126 |
109 |
142 |
819 |
11913 |
18395 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2 |
144 |
36 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
26 |
19 |
8 |
0 |
0 |
0 |
| VODI |
0 |
1 |
25 |
29 |
12 |
1 |
0 |
0 |
| ODI |
0 |
0 |
31 |
8 |
6 |
7 |
0 |
0 |
| CDI |
0 |
0 |
30 |
10 |
10 |
80 |
26 |
7 |
| VCDI |
0 |
84 |
124 |
108 |
141 |
807 |
11903 |
18394 |
|
Date: 2022-02-26:
| 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 |
78 |
61 |
43 |
6 |
0 |
0 |
0 |
| OW |
0 |
39 |
12 |
13 |
9 |
2 |
0 |
0 |
| VODI |
0 |
45 |
12 |
5 |
11 |
5 |
1 |
0 |
| ODI |
0 |
33 |
9 |
6 |
10 |
8 |
0 |
0 |
| CDI |
0 |
33 |
15 |
12 |
20 |
24 |
27 |
3 |
| VCDI |
0 |
234 |
123 |
174 |
234 |
680 |
9909 |
20186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
92 |
61 |
39 |
3 |
0 |
0 |
0 |
| OW |
0 |
30 |
12 |
15 |
10 |
2 |
0 |
0 |
| VODI |
0 |
41 |
13 |
7 |
13 |
4 |
0 |
0 |
| ODI |
0 |
35 |
10 |
9 |
11 |
8 |
1 |
0 |
| CDI |
0 |
32 |
15 |
11 |
22 |
28 |
24 |
3 |
| VCDI |
0 |
232 |
121 |
172 |
231 |
677 |
9912 |
20186 |
|
Date: 2022-02-28:
| 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 |
143 |
34 |
48 |
1 |
0 |
0 |
0 |
| OW |
0 |
20 |
10 |
33 |
5 |
0 |
0 |
0 |
| VODI |
0 |
27 |
4 |
21 |
8 |
4 |
0 |
0 |
| ODI |
0 |
12 |
7 |
6 |
15 |
7 |
2 |
0 |
| CDI |
0 |
12 |
14 |
9 |
16 |
22 |
48 |
2 |
| VCDI |
0 |
132 |
87 |
149 |
180 |
569 |
7453 |
22982 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
126 |
23 |
29 |
0 |
0 |
0 |
0 |
| OW |
0 |
19 |
19 |
33 |
4 |
0 |
0 |
0 |
| VODI |
0 |
32 |
4 |
32 |
8 |
2 |
0 |
0 |
| ODI |
0 |
22 |
6 |
8 |
13 |
6 |
1 |
0 |
| CDI |
0 |
17 |
21 |
14 |
18 |
22 |
25 |
6 |
| VCDI |
0 |
130 |
83 |
150 |
182 |
572 |
7477 |
22978 |
|
Date: 2022-03-02:
| 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 |
0 |
126 |
34 |
36 |
2 |
0 |
0 |
0 |
| OW |
0 |
22 |
9 |
27 |
6 |
0 |
0 |
0 |
| VODI |
0 |
23 |
8 |
11 |
8 |
2 |
0 |
0 |
| ODI |
0 |
18 |
3 |
4 |
7 |
3 |
3 |
0 |
| CDI |
0 |
21 |
6 |
3 |
6 |
12 |
37 |
5 |
| VCDI |
0 |
154 |
59 |
128 |
145 |
455 |
6325 |
24374 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
106 |
20 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
20 |
19 |
16 |
2 |
0 |
0 |
0 |
| VODI |
0 |
26 |
9 |
20 |
11 |
0 |
0 |
0 |
| ODI |
0 |
20 |
5 |
11 |
8 |
5 |
0 |
0 |
| CDI |
0 |
29 |
5 |
3 |
6 |
25 |
67 |
18 |
| VCDI |
0 |
163 |
61 |
128 |
147 |
442 |
6298 |
24361 |
|
Date: 2022-03-04:
| 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 |
80 |
35 |
57 |
9 |
0 |
0 |
0 |
| OW |
0 |
9 |
15 |
21 |
5 |
0 |
0 |
0 |
| VODI |
0 |
18 |
3 |
19 |
12 |
7 |
0 |
0 |
| ODI |
0 |
17 |
2 |
8 |
5 |
6 |
6 |
0 |
| CDI |
0 |
17 |
3 |
7 |
9 |
25 |
41 |
0 |
| VCDI |
0 |
123 |
50 |
110 |
112 |
268 |
6716 |
24267 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
74 |
28 |
29 |
4 |
0 |
0 |
0 |
| OW |
0 |
8 |
11 |
36 |
5 |
0 |
0 |
0 |
| VODI |
0 |
9 |
9 |
21 |
15 |
5 |
0 |
0 |
| ODI |
0 |
14 |
3 |
11 |
8 |
10 |
4 |
0 |
| CDI |
0 |
19 |
6 |
10 |
7 |
31 |
53 |
0 |
| VCDI |
0 |
140 |
51 |
115 |
113 |
260 |
6706 |
24267 |
|
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