Validation of sea ice concentration - Asian sector
Bulletin date: 2025-03-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-07:
| 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 |
164 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
152 |
10 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
149 |
11 |
34 |
8 |
0 |
0 |
0 |
| ODI |
0 |
57 |
5 |
16 |
13 |
13 |
1 |
0 |
| CDI |
0 |
36 |
3 |
11 |
24 |
29 |
33 |
5 |
| VCDI |
0 |
76 |
33 |
80 |
52 |
376 |
8837 |
21853 |
|
...date precedes bulletin
|
Date: 2025-03-09:
| 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 |
158 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
174 |
12 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
98 |
15 |
29 |
7 |
0 |
0 |
0 |
| ODI |
0 |
57 |
8 |
25 |
14 |
6 |
3 |
0 |
| CDI |
0 |
44 |
28 |
58 |
21 |
22 |
41 |
15 |
| VCDI |
0 |
13 |
11 |
65 |
83 |
119 |
3796 |
27159 |
|
...date precedes bulletin
|
Date: 2025-03-11:
| 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 |
236 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
147 |
11 |
10 |
2 |
0 |
0 |
0 |
| VODI |
0 |
83 |
13 |
36 |
17 |
0 |
0 |
0 |
| ODI |
0 |
27 |
13 |
25 |
11 |
8 |
0 |
0 |
| CDI |
0 |
15 |
18 |
36 |
25 |
39 |
19 |
26 |
| VCDI |
0 |
0 |
3 |
17 |
57 |
185 |
4520 |
26480 |
|
...date precedes bulletin
|
Date: 2025-03-13:
| 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 |
225 |
6 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
109 |
13 |
17 |
3 |
0 |
0 |
0 |
| VODI |
0 |
70 |
8 |
26 |
13 |
0 |
0 |
0 |
| ODI |
0 |
47 |
5 |
17 |
12 |
0 |
1 |
0 |
| CDI |
0 |
18 |
22 |
38 |
44 |
59 |
60 |
21 |
| VCDI |
0 |
6 |
4 |
22 |
69 |
374 |
11162 |
19610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
227 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
103 |
16 |
17 |
2 |
0 |
0 |
0 |
| VODI |
0 |
74 |
8 |
28 |
15 |
0 |
0 |
0 |
| ODI |
0 |
41 |
6 |
17 |
16 |
0 |
2 |
0 |
| CDI |
0 |
25 |
21 |
32 |
40 |
57 |
60 |
21 |
| VCDI |
0 |
5 |
4 |
27 |
68 |
376 |
11161 |
19610 |
|
Date: 2025-03-15:
| 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 |
0 |
226 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
113 |
11 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
91 |
8 |
13 |
13 |
0 |
0 |
0 |
| ODI |
0 |
55 |
14 |
8 |
12 |
9 |
7 |
0 |
| CDI |
0 |
35 |
6 |
26 |
31 |
63 |
62 |
6 |
| VCDI |
0 |
87 |
16 |
46 |
92 |
632 |
12489 |
17899 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
230 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
10 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
93 |
7 |
10 |
10 |
0 |
0 |
0 |
| ODI |
0 |
53 |
15 |
14 |
15 |
5 |
10 |
0 |
| CDI |
0 |
31 |
8 |
24 |
31 |
61 |
86 |
6 |
| VCDI |
0 |
88 |
15 |
45 |
92 |
638 |
12462 |
17899 |
|
Date: 2025-03-17:
| 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 |
0 |
212 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
131 |
10 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
37 |
27 |
48 |
19 |
2 |
0 |
0 |
| ODI |
0 |
25 |
4 |
27 |
33 |
38 |
5 |
1 |
| CDI |
0 |
8 |
8 |
25 |
83 |
166 |
95 |
20 |
| VCDI |
0 |
0 |
0 |
6 |
162 |
1283 |
14028 |
15572 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
174 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
103 |
8 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
64 |
23 |
26 |
3 |
1 |
0 |
0 |
| ODI |
0 |
33 |
3 |
26 |
37 |
17 |
10 |
0 |
| CDI |
0 |
34 |
9 |
28 |
62 |
146 |
121 |
19 |
| VCDI |
0 |
5 |
8 |
30 |
195 |
1325 |
13997 |
15574 |
|
Date: 2025-03-19:
| 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 |
0 |
189 |
11 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
89 |
4 |
14 |
3 |
0 |
0 |
0 |
| VODI |
0 |
43 |
16 |
23 |
20 |
1 |
0 |
0 |
| ODI |
0 |
22 |
9 |
23 |
41 |
33 |
15 |
0 |
| CDI |
0 |
5 |
7 |
21 |
136 |
195 |
135 |
11 |
| VCDI |
0 |
0 |
2 |
25 |
170 |
1014 |
13777 |
16025 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
163 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
83 |
6 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
55 |
17 |
24 |
7 |
0 |
0 |
0 |
| ODI |
0 |
24 |
7 |
20 |
38 |
13 |
9 |
0 |
| CDI |
0 |
22 |
12 |
41 |
102 |
133 |
168 |
8 |
| VCDI |
0 |
1 |
4 |
17 |
223 |
1097 |
13750 |
16028 |
|
Date: 2025-03-21:
| 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 |
0 |
158 |
13 |
13 |
2 |
0 |
0 |
0 |
| OW |
0 |
82 |
7 |
14 |
10 |
0 |
0 |
0 |
| VODI |
0 |
44 |
7 |
22 |
23 |
2 |
0 |
0 |
| ODI |
0 |
26 |
8 |
16 |
25 |
36 |
4 |
2 |
| CDI |
0 |
8 |
10 |
30 |
51 |
157 |
136 |
5 |
| VCDI |
0 |
4 |
6 |
23 |
76 |
689 |
12673 |
17700 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
110 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
89 |
10 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
63 |
10 |
25 |
6 |
0 |
0 |
0 |
| ODI |
0 |
32 |
4 |
20 |
38 |
7 |
11 |
4 |
| CDI |
0 |
10 |
13 |
38 |
62 |
87 |
146 |
30 |
| VCDI |
0 |
18 |
11 |
29 |
81 |
790 |
12656 |
17673 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri Mar 28 02:05:41 UTC 2025 on arcval2