Validation of sea ice concentration - Asian sector
Bulletin date: 2020-11-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-13:
| 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 |
1601 |
3103 |
38 |
109 |
164 |
8 |
0 |
0 |
| OW |
0 |
316 |
22 |
204 |
212 |
126 |
0 |
0 |
| VODI |
0 |
149 |
13 |
149 |
445 |
598 |
8 |
0 |
| ODI |
0 |
27 |
17 |
93 |
334 |
736 |
128 |
0 |
| CDI |
0 |
0 |
0 |
94 |
149 |
1431 |
582 |
129 |
| VCDI |
0 |
0 |
0 |
17 |
255 |
6210 |
9382 |
5233 |
|
...date precedes bulletin
|
Date: 2020-11-15:
| 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 |
2146 |
2677 |
0 |
15 |
57 |
87 |
0 |
0 |
| OW |
1 |
483 |
14 |
49 |
48 |
197 |
0 |
0 |
| VODI |
0 |
275 |
32 |
133 |
129 |
263 |
190 |
0 |
| ODI |
0 |
50 |
25 |
186 |
180 |
525 |
245 |
0 |
| CDI |
0 |
0 |
0 |
95 |
450 |
878 |
504 |
88 |
| VCDI |
0 |
0 |
0 |
9 |
346 |
5050 |
11151 |
5504 |
|
...date precedes bulletin
|
Date: 2020-11-17:
| 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 |
2483 |
3183 |
18 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
253 |
24 |
75 |
10 |
0 |
0 |
0 |
| VODI |
0 |
125 |
14 |
225 |
123 |
69 |
0 |
0 |
| ODI |
0 |
43 |
6 |
128 |
385 |
292 |
12 |
0 |
| CDI |
0 |
0 |
0 |
36 |
434 |
1262 |
338 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
291 |
4322 |
10042 |
7863 |
|
...date precedes bulletin
|
Date: 2020-11-19:
| 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 |
2288 |
2823 |
31 |
64 |
0 |
0 |
0 |
0 |
| OW |
0 |
501 |
7 |
128 |
15 |
0 |
0 |
0 |
| VODI |
0 |
211 |
17 |
92 |
116 |
0 |
0 |
0 |
| ODI |
0 |
86 |
7 |
87 |
181 |
240 |
44 |
0 |
| CDI |
0 |
50 |
7 |
117 |
217 |
845 |
362 |
38 |
| VCDI |
0 |
5 |
2 |
75 |
402 |
5136 |
10157 |
7731 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2288 |
2923 |
32 |
118 |
1 |
0 |
0 |
0 |
| OW |
0 |
346 |
10 |
95 |
23 |
0 |
0 |
0 |
| VODI |
0 |
268 |
12 |
71 |
113 |
4 |
0 |
0 |
| ODI |
0 |
92 |
10 |
89 |
171 |
165 |
28 |
0 |
| CDI |
0 |
46 |
5 |
121 |
258 |
846 |
249 |
33 |
| VCDI |
0 |
1 |
2 |
69 |
365 |
5206 |
10286 |
7736 |
|
Date: 2020-11-21:
| 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 |
1664 |
2804 |
29 |
78 |
6 |
0 |
0 |
0 |
| OW |
0 |
549 |
18 |
198 |
38 |
0 |
0 |
0 |
| VODI |
0 |
223 |
19 |
219 |
145 |
11 |
0 |
0 |
| ODI |
0 |
69 |
4 |
79 |
195 |
125 |
6 |
0 |
| CDI |
0 |
41 |
5 |
76 |
249 |
677 |
154 |
9 |
| VCDI |
0 |
1 |
2 |
55 |
300 |
5459 |
10953 |
7622 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1664 |
2891 |
43 |
233 |
14 |
0 |
0 |
0 |
| OW |
0 |
407 |
9 |
143 |
54 |
0 |
0 |
0 |
| VODI |
0 |
292 |
14 |
109 |
152 |
7 |
0 |
0 |
| ODI |
0 |
68 |
6 |
94 |
187 |
107 |
13 |
0 |
| CDI |
0 |
28 |
5 |
84 |
281 |
664 |
119 |
6 |
| VCDI |
0 |
1 |
0 |
42 |
245 |
5494 |
10981 |
7625 |
|
Date: 2020-11-23:
| 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 |
1213 |
3263 |
33 |
141 |
27 |
0 |
0 |
0 |
| OW |
0 |
163 |
25 |
213 |
91 |
1 |
0 |
0 |
| VODI |
0 |
26 |
9 |
203 |
281 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
65 |
387 |
220 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
127 |
626 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
2493 |
10272 |
12055 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1213 |
2712 |
32 |
237 |
170 |
3 |
0 |
0 |
| OW |
0 |
492 |
9 |
74 |
153 |
27 |
0 |
0 |
| VODI |
0 |
240 |
19 |
196 |
179 |
85 |
0 |
0 |
| ODI |
0 |
8 |
7 |
74 |
183 |
172 |
1 |
0 |
| CDI |
0 |
0 |
0 |
43 |
179 |
508 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
2563 |
10253 |
12055 |
|
Date: 2020-11-25:
| 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 |
1323 |
3137 |
28 |
112 |
5 |
0 |
0 |
0 |
| OW |
0 |
265 |
27 |
153 |
55 |
0 |
0 |
0 |
| VODI |
0 |
72 |
4 |
190 |
193 |
8 |
0 |
0 |
| ODI |
0 |
18 |
6 |
103 |
271 |
89 |
4 |
0 |
| CDI |
0 |
0 |
0 |
61 |
218 |
333 |
92 |
39 |
| VCDI |
0 |
0 |
0 |
16 |
158 |
2056 |
7729 |
15317 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1323 |
2695 |
31 |
233 |
196 |
2 |
0 |
0 |
| OW |
0 |
394 |
7 |
41 |
136 |
36 |
0 |
0 |
| VODI |
0 |
299 |
19 |
156 |
118 |
100 |
0 |
0 |
| ODI |
0 |
72 |
3 |
88 |
120 |
112 |
11 |
10 |
| CDI |
0 |
32 |
5 |
83 |
147 |
278 |
95 |
55 |
| VCDI |
0 |
0 |
0 |
34 |
183 |
1958 |
7719 |
15291 |
|
Date: 2020-11-27:
| 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 |
1379 |
3049 |
23 |
55 |
0 |
0 |
0 |
0 |
| OW |
2 |
292 |
31 |
260 |
27 |
0 |
0 |
0 |
| VODI |
0 |
101 |
9 |
167 |
214 |
5 |
0 |
0 |
| ODI |
0 |
61 |
6 |
97 |
288 |
64 |
0 |
0 |
| CDI |
0 |
28 |
3 |
73 |
304 |
249 |
10 |
14 |
| VCDI |
0 |
10 |
4 |
57 |
295 |
2145 |
6047 |
16713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1371 |
2751 |
31 |
187 |
120 |
1 |
0 |
0 |
| OW |
10 |
310 |
14 |
98 |
139 |
30 |
0 |
0 |
| VODI |
0 |
246 |
11 |
168 |
206 |
69 |
0 |
0 |
| ODI |
0 |
103 |
7 |
63 |
152 |
115 |
1 |
5 |
| CDI |
0 |
88 |
8 |
78 |
185 |
239 |
37 |
57 |
| VCDI |
0 |
43 |
5 |
115 |
326 |
2009 |
6019 |
16665 |
|
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