Validation of sea ice concentration - Asian sector
Bulletin date: 2020-03-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-03-20:
| 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 |
55 |
2 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
5 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
14 |
5 |
30 |
15 |
0 |
0 |
0 |
| ODI |
0 |
8 |
1 |
14 |
20 |
11 |
5 |
0 |
| CDI |
0 |
11 |
3 |
7 |
41 |
115 |
144 |
69 |
| VCDI |
0 |
10 |
2 |
75 |
165 |
751 |
10365 |
20101 |
|
...date precedes bulletin
|
Date: 2020-03-22:
| 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 |
30 |
3 |
7 |
11 |
0 |
0 |
0 |
| OW |
0 |
21 |
5 |
8 |
6 |
0 |
0 |
0 |
| VODI |
0 |
13 |
7 |
28 |
13 |
1 |
0 |
0 |
| ODI |
0 |
5 |
1 |
26 |
20 |
19 |
12 |
0 |
| CDI |
0 |
5 |
1 |
13 |
37 |
170 |
155 |
62 |
| VCDI |
0 |
1 |
1 |
20 |
169 |
1189 |
9447 |
20576 |
|
...date precedes bulletin
|
Date: 2020-03-24:
| 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 |
84 |
11 |
57 |
10 |
0 |
0 |
0 |
| OW |
0 |
13 |
5 |
33 |
19 |
0 |
0 |
0 |
| VODI |
0 |
10 |
3 |
42 |
63 |
10 |
0 |
0 |
| ODI |
0 |
0 |
2 |
28 |
144 |
62 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
102 |
167 |
17 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
855 |
8880 |
21422 |
|
...date precedes bulletin
|
Date: 2020-03-26:
| 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 |
99 |
13 |
47 |
9 |
0 |
0 |
0 |
| OW |
0 |
55 |
8 |
42 |
11 |
0 |
0 |
0 |
| VODI |
0 |
41 |
4 |
85 |
108 |
1 |
0 |
0 |
| ODI |
0 |
21 |
0 |
42 |
123 |
35 |
3 |
0 |
| CDI |
0 |
2 |
0 |
2 |
162 |
174 |
101 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
1118 |
11187 |
18511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
125 |
17 |
59 |
10 |
0 |
0 |
0 |
| OW |
0 |
40 |
8 |
59 |
14 |
0 |
0 |
0 |
| VODI |
0 |
31 |
0 |
74 |
113 |
0 |
0 |
0 |
| ODI |
0 |
18 |
0 |
24 |
114 |
30 |
4 |
0 |
| CDI |
0 |
4 |
0 |
2 |
152 |
186 |
108 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
1112 |
11179 |
18509 |
|
Date: 2020-03-28:
| 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 |
67 |
2 |
38 |
38 |
0 |
0 |
0 |
| OW |
0 |
29 |
12 |
40 |
9 |
0 |
0 |
0 |
| VODI |
0 |
33 |
17 |
117 |
56 |
2 |
0 |
0 |
| ODI |
0 |
1 |
1 |
81 |
120 |
31 |
16 |
0 |
| CDI |
0 |
0 |
0 |
7 |
136 |
174 |
109 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
1498 |
12299 |
17073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
64 |
4 |
47 |
38 |
0 |
0 |
0 |
| OW |
0 |
44 |
20 |
47 |
13 |
0 |
0 |
0 |
| VODI |
0 |
22 |
8 |
124 |
69 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
63 |
109 |
22 |
16 |
0 |
| CDI |
0 |
0 |
0 |
2 |
130 |
156 |
123 |
18 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
1522 |
12285 |
17066 |
|
Date: 2020-03-30:
| 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 |
71 |
0 |
9 |
32 |
24 |
0 |
0 |
| OW |
0 |
14 |
5 |
44 |
34 |
8 |
0 |
0 |
| VODI |
0 |
3 |
0 |
23 |
101 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
119 |
134 |
45 |
1 |
| CDI |
0 |
0 |
0 |
0 |
38 |
256 |
152 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
764 |
6645 |
23521 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
48 |
0 |
3 |
27 |
24 |
0 |
0 |
| OW |
0 |
30 |
0 |
14 |
20 |
7 |
0 |
0 |
| VODI |
0 |
9 |
5 |
46 |
63 |
21 |
0 |
0 |
| ODI |
0 |
1 |
0 |
13 |
95 |
68 |
63 |
7 |
| CDI |
0 |
0 |
0 |
0 |
106 |
191 |
111 |
82 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
890 |
6668 |
23444 |
|
Date: 2020-04-01:
| 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 |
43 |
3 |
13 |
1 |
54 |
0 |
0 |
| OW |
0 |
4 |
4 |
25 |
15 |
27 |
0 |
0 |
| VODI |
0 |
0 |
0 |
12 |
60 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
32 |
83 |
12 |
1 |
| CDI |
0 |
0 |
0 |
0 |
18 |
192 |
135 |
117 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
563 |
6945 |
23669 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
36 |
2 |
6 |
1 |
50 |
0 |
0 |
| OW |
0 |
10 |
4 |
12 |
7 |
31 |
0 |
0 |
| VODI |
0 |
1 |
1 |
32 |
47 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
26 |
84 |
27 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
189 |
121 |
108 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
579 |
6944 |
23679 |
|
Date: 2020-04-03:
| 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 |
29 |
4 |
6 |
0 |
35 |
13 |
0 |
| OW |
0 |
1 |
1 |
25 |
2 |
36 |
2 |
0 |
| VODI |
0 |
0 |
0 |
11 |
40 |
34 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
28 |
63 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3 |
149 |
115 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
876 |
9256 |
21309 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
23 |
1 |
5 |
0 |
28 |
14 |
0 |
| OW |
0 |
7 |
4 |
8 |
0 |
27 |
1 |
0 |
| VODI |
0 |
0 |
0 |
30 |
43 |
50 |
4 |
0 |
| ODI |
0 |
0 |
0 |
0 |
24 |
96 |
33 |
0 |
| CDI |
0 |
0 |
0 |
0 |
7 |
170 |
73 |
63 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
822 |
9263 |
21263 |
|
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