Validation of sea ice concentration - Asian sector
Bulletin date: 2024-03-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-08:
| 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 |
240 |
13 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
37 |
7 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
47 |
3 |
11 |
6 |
0 |
0 |
0 |
| ODI |
0 |
35 |
9 |
14 |
17 |
2 |
0 |
0 |
| CDI |
0 |
16 |
13 |
18 |
15 |
58 |
37 |
0 |
| VCDI |
0 |
8 |
5 |
46 |
168 |
626 |
6073 |
24549 |
|
...date precedes bulletin
|
Date: 2024-03-10:
| 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 |
242 |
6 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
5 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
41 |
5 |
9 |
2 |
0 |
0 |
0 |
| ODI |
0 |
31 |
8 |
11 |
12 |
2 |
0 |
0 |
| CDI |
0 |
15 |
12 |
18 |
5 |
17 |
0 |
0 |
| VCDI |
0 |
6 |
8 |
47 |
85 |
356 |
3644 |
27446 |
|
...date precedes bulletin
|
Date: 2024-03-12:
| 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 |
240 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
10 |
3 |
3 |
0 |
0 |
0 |
| VODI |
0 |
31 |
7 |
17 |
6 |
1 |
0 |
0 |
| ODI |
0 |
24 |
9 |
9 |
11 |
4 |
0 |
0 |
| CDI |
0 |
8 |
6 |
30 |
14 |
45 |
14 |
0 |
| VCDI |
0 |
3 |
5 |
55 |
81 |
361 |
6130 |
24919 |
|
...date precedes bulletin
|
Date: 2024-03-14:
| 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 |
163 |
21 |
14 |
1 |
0 |
0 |
0 |
| OW |
0 |
22 |
9 |
13 |
5 |
0 |
0 |
0 |
| VODI |
0 |
2 |
16 |
21 |
6 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
26 |
6 |
5 |
0 |
0 |
| CDI |
0 |
1 |
0 |
15 |
23 |
64 |
61 |
7 |
| VCDI |
0 |
0 |
1 |
13 |
109 |
759 |
8766 |
21930 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
164 |
20 |
15 |
1 |
0 |
0 |
0 |
| OW |
0 |
20 |
10 |
12 |
5 |
0 |
0 |
0 |
| VODI |
0 |
3 |
16 |
20 |
6 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
25 |
6 |
5 |
0 |
0 |
| CDI |
0 |
1 |
1 |
15 |
22 |
59 |
64 |
7 |
| VCDI |
0 |
0 |
0 |
15 |
110 |
764 |
8763 |
21930 |
|
Date: 2024-03-16:
| 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 |
170 |
15 |
11 |
4 |
0 |
0 |
0 |
| OW |
0 |
38 |
8 |
6 |
2 |
0 |
0 |
0 |
| VODI |
0 |
43 |
6 |
5 |
3 |
0 |
0 |
0 |
| ODI |
0 |
26 |
6 |
7 |
4 |
0 |
0 |
0 |
| CDI |
0 |
15 |
14 |
14 |
12 |
29 |
88 |
1 |
| VCDI |
0 |
6 |
16 |
122 |
141 |
516 |
11292 |
19462 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
181 |
16 |
11 |
4 |
0 |
0 |
0 |
| OW |
0 |
36 |
8 |
4 |
2 |
0 |
0 |
0 |
| VODI |
0 |
38 |
5 |
6 |
0 |
0 |
0 |
0 |
| ODI |
0 |
27 |
8 |
7 |
4 |
0 |
0 |
0 |
| CDI |
0 |
15 |
14 |
16 |
17 |
26 |
97 |
1 |
| VCDI |
0 |
1 |
14 |
121 |
139 |
519 |
11283 |
19462 |
|
Date: 2024-03-18:
| 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 |
156 |
26 |
30 |
4 |
0 |
0 |
0 |
| OW |
0 |
37 |
9 |
7 |
4 |
0 |
0 |
0 |
| VODI |
0 |
31 |
5 |
7 |
10 |
0 |
0 |
0 |
| ODI |
0 |
19 |
9 |
10 |
12 |
2 |
2 |
0 |
| CDI |
0 |
4 |
14 |
22 |
13 |
46 |
46 |
7 |
| VCDI |
0 |
8 |
15 |
92 |
114 |
528 |
11306 |
19487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
137 |
21 |
24 |
3 |
0 |
0 |
0 |
| OW |
0 |
35 |
10 |
8 |
2 |
0 |
0 |
0 |
| VODI |
0 |
38 |
4 |
9 |
4 |
0 |
0 |
0 |
| ODI |
0 |
22 |
6 |
6 |
10 |
0 |
1 |
0 |
| CDI |
0 |
10 |
14 |
12 |
21 |
35 |
50 |
9 |
| VCDI |
0 |
13 |
23 |
109 |
117 |
541 |
11303 |
19485 |
|
Date: 2024-03-20:
| 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 |
114 |
24 |
30 |
8 |
0 |
0 |
0 |
| OW |
0 |
14 |
15 |
19 |
2 |
0 |
0 |
0 |
| VODI |
0 |
2 |
6 |
29 |
10 |
2 |
0 |
0 |
| ODI |
0 |
0 |
3 |
21 |
14 |
4 |
5 |
0 |
| CDI |
0 |
0 |
0 |
14 |
25 |
56 |
82 |
2 |
| VCDI |
0 |
0 |
0 |
6 |
120 |
597 |
11602 |
19256 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
16 |
28 |
8 |
0 |
0 |
0 |
| OW |
0 |
19 |
16 |
18 |
0 |
0 |
0 |
0 |
| VODI |
0 |
10 |
13 |
27 |
9 |
1 |
0 |
0 |
| ODI |
0 |
0 |
3 |
21 |
11 |
3 |
2 |
0 |
| CDI |
0 |
0 |
0 |
15 |
34 |
58 |
90 |
2 |
| VCDI |
0 |
0 |
0 |
10 |
117 |
597 |
11597 |
19256 |
|
Date: 2024-03-22:
| 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 |
58 |
29 |
28 |
32 |
1 |
0 |
0 |
| OW |
0 |
4 |
6 |
26 |
13 |
1 |
0 |
0 |
| VODI |
0 |
0 |
1 |
9 |
38 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
28 |
12 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
27 |
22 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
332 |
9328 |
22052 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
53 |
23 |
28 |
40 |
0 |
0 |
0 |
| OW |
0 |
9 |
9 |
22 |
22 |
2 |
0 |
0 |
| VODI |
0 |
0 |
4 |
9 |
31 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
26 |
18 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
27 |
37 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
301 |
9280 |
22052 |
|
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