Validation of sea ice concentration - Asian sector
Bulletin date: 2020-04-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-24:
| 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 |
112 |
5 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
95 |
17 |
81 |
46 |
0 |
0 |
0 |
| VODI |
0 |
30 |
5 |
131 |
256 |
34 |
0 |
0 |
| ODI |
0 |
40 |
1 |
118 |
309 |
132 |
19 |
8 |
| CDI |
0 |
18 |
9 |
69 |
301 |
658 |
204 |
15 |
| VCDI |
0 |
6 |
1 |
36 |
268 |
2728 |
9735 |
16593 |
|
...date precedes bulletin
|
Date: 2020-04-26:
| 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 |
108 |
2 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
182 |
18 |
108 |
47 |
0 |
0 |
0 |
| VODI |
0 |
71 |
22 |
149 |
250 |
52 |
0 |
0 |
| ODI |
0 |
43 |
8 |
99 |
273 |
241 |
40 |
0 |
| CDI |
0 |
36 |
7 |
60 |
218 |
812 |
278 |
14 |
| VCDI |
0 |
19 |
5 |
56 |
303 |
2733 |
10638 |
15187 |
|
...date precedes bulletin
|
Date: 2020-04-28:
| 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 |
168 |
3 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
74 |
12 |
162 |
61 |
0 |
0 |
0 |
| VODI |
0 |
22 |
4 |
180 |
269 |
35 |
3 |
0 |
| ODI |
0 |
14 |
4 |
44 |
360 |
213 |
35 |
0 |
| CDI |
0 |
5 |
2 |
28 |
243 |
990 |
348 |
4 |
| VCDI |
0 |
1 |
0 |
39 |
183 |
2059 |
11184 |
15292 |
|
...date precedes bulletin
|
Date: 2020-04-30:
| 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 |
105 |
7 |
26 |
3 |
0 |
0 |
0 |
| OW |
0 |
106 |
14 |
180 |
81 |
0 |
0 |
0 |
| VODI |
0 |
14 |
6 |
138 |
232 |
26 |
0 |
0 |
| ODI |
0 |
4 |
4 |
52 |
350 |
257 |
31 |
0 |
| CDI |
0 |
0 |
0 |
42 |
246 |
901 |
343 |
9 |
| VCDI |
0 |
0 |
0 |
14 |
138 |
3252 |
13395 |
12106 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
109 |
4 |
11 |
3 |
0 |
0 |
0 |
| OW |
0 |
103 |
16 |
144 |
78 |
0 |
0 |
0 |
| VODI |
0 |
13 |
7 |
196 |
204 |
25 |
0 |
0 |
| ODI |
0 |
4 |
4 |
43 |
356 |
191 |
37 |
0 |
| CDI |
0 |
0 |
0 |
44 |
275 |
989 |
435 |
9 |
| VCDI |
0 |
0 |
0 |
14 |
134 |
3231 |
13297 |
12106 |
|
Date: 2020-05-02:
| 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 |
113 |
11 |
54 |
8 |
0 |
0 |
0 |
| OW |
0 |
79 |
15 |
174 |
74 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
75 |
283 |
25 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
353 |
267 |
5 |
5 |
| CDI |
0 |
0 |
0 |
26 |
213 |
973 |
545 |
8 |
| VCDI |
0 |
0 |
0 |
18 |
109 |
2584 |
11758 |
14282 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
124 |
7 |
63 |
40 |
0 |
0 |
0 |
| OW |
0 |
62 |
13 |
117 |
50 |
1 |
0 |
0 |
| VODI |
0 |
6 |
6 |
125 |
246 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
364 |
191 |
12 |
3 |
| CDI |
0 |
0 |
0 |
28 |
210 |
1040 |
468 |
10 |
| VCDI |
0 |
0 |
0 |
17 |
130 |
2594 |
11828 |
14282 |
|
Date: 2020-05-04:
| 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 |
140 |
13 |
45 |
0 |
0 |
0 |
0 |
| OW |
0 |
60 |
11 |
144 |
16 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
93 |
169 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
350 |
192 |
11 |
1 |
| CDI |
0 |
0 |
0 |
0 |
125 |
1039 |
141 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1383 |
12897 |
15209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
151 |
14 |
114 |
46 |
0 |
0 |
0 |
| OW |
0 |
49 |
10 |
96 |
52 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
65 |
203 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
202 |
297 |
26 |
0 |
| CDI |
0 |
0 |
0 |
0 |
148 |
969 |
597 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1309 |
12426 |
15208 |
|
Date: 2020-05-06:
| 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 |
223 |
11 |
64 |
1 |
0 |
0 |
0 |
| OW |
0 |
61 |
18 |
104 |
32 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
157 |
148 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
36 |
337 |
63 |
1 |
0 |
| CDI |
0 |
0 |
0 |
13 |
223 |
580 |
132 |
5 |
| VCDI |
0 |
0 |
0 |
2 |
97 |
2293 |
11039 |
16436 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
222 |
11 |
121 |
57 |
0 |
0 |
0 |
| OW |
0 |
60 |
12 |
63 |
73 |
3 |
0 |
0 |
| VODI |
0 |
2 |
6 |
111 |
153 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
52 |
229 |
125 |
3 |
1 |
| CDI |
0 |
0 |
0 |
25 |
210 |
686 |
195 |
16 |
| VCDI |
0 |
0 |
0 |
4 |
116 |
2115 |
10974 |
16424 |
|
Date: 2020-05-08:
| 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 |
258 |
7 |
51 |
3 |
0 |
0 |
0 |
| OW |
0 |
151 |
24 |
82 |
9 |
0 |
0 |
0 |
| VODI |
0 |
52 |
8 |
198 |
113 |
7 |
0 |
0 |
| ODI |
0 |
26 |
7 |
80 |
296 |
33 |
15 |
0 |
| CDI |
0 |
6 |
3 |
57 |
244 |
380 |
115 |
0 |
| VCDI |
0 |
2 |
1 |
48 |
262 |
2162 |
12576 |
14806 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
316 |
14 |
112 |
25 |
0 |
0 |
0 |
| OW |
0 |
101 |
13 |
79 |
43 |
5 |
0 |
0 |
| VODI |
0 |
19 |
11 |
159 |
120 |
1 |
0 |
1 |
| ODI |
0 |
28 |
2 |
46 |
227 |
40 |
43 |
26 |
| CDI |
0 |
24 |
7 |
49 |
217 |
394 |
202 |
37 |
| VCDI |
0 |
7 |
3 |
71 |
295 |
2142 |
12461 |
14742 |
|
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