Validation of sea ice concentration - Asian sector
Bulletin date: 2020-02-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-02-14:
| 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 |
7 |
1 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
9 |
1 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
19 |
2 |
20 |
68 |
10 |
0 |
0 |
| ODI |
0 |
22 |
2 |
23 |
90 |
42 |
2 |
0 |
| CDI |
0 |
23 |
3 |
73 |
84 |
202 |
100 |
4 |
| VCDI |
0 |
60 |
12 |
152 |
194 |
966 |
9384 |
20493 |
|
...date precedes bulletin
|
Date: 2020-02-16:
| 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 |
9 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
16 |
1 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
31 |
2 |
11 |
67 |
9 |
0 |
0 |
| ODI |
0 |
23 |
3 |
18 |
79 |
46 |
1 |
5 |
| CDI |
0 |
14 |
4 |
61 |
69 |
200 |
42 |
65 |
| VCDI |
0 |
63 |
10 |
145 |
166 |
650 |
8411 |
21852 |
|
...date precedes bulletin
|
Date: 2020-02-18:
| 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 |
35 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
56 |
1 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
71 |
6 |
81 |
54 |
0 |
0 |
0 |
| ODI |
0 |
96 |
16 |
92 |
103 |
55 |
1 |
0 |
| CDI |
0 |
160 |
11 |
39 |
108 |
181 |
57 |
24 |
| VCDI |
0 |
19 |
3 |
80 |
189 |
774 |
8322 |
21443 |
|
...date precedes bulletin
|
Date: 2020-02-20:
| 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 |
38 |
0 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
28 |
0 |
20 |
18 |
0 |
0 |
0 |
| VODI |
0 |
74 |
0 |
29 |
97 |
12 |
0 |
0 |
| ODI |
0 |
68 |
11 |
29 |
106 |
87 |
12 |
1 |
| CDI |
0 |
92 |
14 |
101 |
65 |
216 |
139 |
68 |
| VCDI |
0 |
136 |
15 |
134 |
265 |
1257 |
8220 |
20726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
0 |
11 |
3 |
0 |
0 |
0 |
| OW |
0 |
28 |
0 |
16 |
24 |
0 |
0 |
0 |
| VODI |
0 |
71 |
0 |
24 |
104 |
14 |
0 |
0 |
| ODI |
0 |
52 |
7 |
25 |
87 |
81 |
8 |
0 |
| CDI |
0 |
110 |
18 |
100 |
60 |
205 |
117 |
75 |
| VCDI |
0 |
140 |
15 |
141 |
273 |
1272 |
8246 |
20720 |
|
Date: 2020-02-22:
| 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 |
46 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
54 |
0 |
26 |
4 |
0 |
0 |
0 |
| VODI |
0 |
71 |
0 |
61 |
94 |
0 |
0 |
0 |
| ODI |
0 |
56 |
1 |
103 |
94 |
56 |
2 |
0 |
| CDI |
0 |
87 |
9 |
47 |
144 |
130 |
17 |
64 |
| VCDI |
0 |
182 |
22 |
195 |
280 |
1251 |
7440 |
21544 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
43 |
0 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
37 |
0 |
22 |
6 |
0 |
0 |
0 |
| VODI |
0 |
92 |
0 |
96 |
82 |
0 |
0 |
0 |
| ODI |
0 |
62 |
1 |
60 |
113 |
49 |
1 |
0 |
| CDI |
0 |
74 |
6 |
28 |
118 |
120 |
10 |
64 |
| VCDI |
0 |
188 |
25 |
219 |
297 |
1268 |
7448 |
21544 |
|
Date: 2020-02-24:
| 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 |
127 |
1 |
26 |
1 |
0 |
0 |
0 |
| OW |
0 |
230 |
12 |
85 |
6 |
0 |
0 |
0 |
| VODI |
0 |
164 |
16 |
152 |
126 |
4 |
0 |
0 |
| ODI |
0 |
98 |
13 |
123 |
164 |
67 |
17 |
0 |
| CDI |
0 |
157 |
16 |
80 |
188 |
344 |
100 |
7 |
| VCDI |
0 |
19 |
4 |
35 |
179 |
1152 |
8229 |
20140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
57 |
1 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
133 |
2 |
30 |
2 |
0 |
0 |
0 |
| VODI |
0 |
225 |
17 |
115 |
96 |
18 |
0 |
0 |
| ODI |
0 |
81 |
9 |
85 |
68 |
68 |
9 |
0 |
| CDI |
0 |
91 |
3 |
64 |
133 |
147 |
88 |
12 |
| VCDI |
0 |
208 |
30 |
197 |
365 |
1334 |
8249 |
20135 |
|
Date: 2020-02-26:
| 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 |
82 |
4 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
121 |
24 |
136 |
17 |
0 |
0 |
0 |
| VODI |
0 |
47 |
11 |
203 |
185 |
15 |
0 |
4 |
| ODI |
0 |
14 |
3 |
109 |
217 |
115 |
10 |
4 |
| CDI |
0 |
24 |
4 |
154 |
299 |
365 |
127 |
142 |
| VCDI |
0 |
0 |
0 |
30 |
223 |
1642 |
9101 |
18602 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
51 |
2 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
54 |
6 |
43 |
0 |
0 |
0 |
0 |
| VODI |
0 |
144 |
25 |
245 |
101 |
5 |
0 |
3 |
| ODI |
0 |
24 |
10 |
121 |
161 |
94 |
6 |
4 |
| CDI |
0 |
14 |
3 |
136 |
223 |
266 |
76 |
62 |
| VCDI |
0 |
1 |
0 |
127 |
456 |
1772 |
9156 |
18683 |
|
Date: 2020-02-28:
| 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 |
83 |
4 |
17 |
1 |
0 |
0 |
0 |
| OW |
0 |
43 |
6 |
52 |
21 |
0 |
0 |
0 |
| VODI |
0 |
29 |
3 |
100 |
343 |
27 |
0 |
0 |
| ODI |
0 |
17 |
0 |
38 |
134 |
215 |
47 |
0 |
| CDI |
0 |
15 |
0 |
49 |
167 |
387 |
308 |
19 |
| VCDI |
0 |
0 |
0 |
27 |
272 |
1219 |
10832 |
17607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
64 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
0 |
19 |
0 |
0 |
0 |
0 |
| VODI |
0 |
55 |
10 |
128 |
178 |
20 |
0 |
0 |
| ODI |
0 |
12 |
0 |
51 |
220 |
111 |
8 |
1 |
| CDI |
0 |
4 |
0 |
45 |
225 |
337 |
225 |
5 |
| VCDI |
0 |
0 |
0 |
37 |
315 |
1380 |
10954 |
17620 |
|
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