Validation of sea ice concentration - Asian sector
Bulletin date: 2020-09-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-09-18:
| 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 |
20586 |
5034 |
22 |
56 |
0 |
0 |
0 |
0 |
| OW |
10 |
372 |
55 |
216 |
37 |
0 |
0 |
0 |
| VODI |
0 |
69 |
18 |
374 |
355 |
1 |
0 |
0 |
| ODI |
0 |
0 |
1 |
17 |
1029 |
375 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
165 |
1318 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
440 |
1356 |
7 |
|
...date precedes bulletin
|
Date: 2020-09-20:
| 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 |
20394 |
5068 |
13 |
16 |
0 |
0 |
0 |
0 |
| OW |
6 |
460 |
46 |
192 |
35 |
0 |
0 |
0 |
| VODI |
0 |
144 |
27 |
339 |
267 |
10 |
0 |
0 |
| ODI |
0 |
9 |
2 |
54 |
724 |
344 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
179 |
1172 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
17 |
1772 |
439 |
|
...date precedes bulletin
|
Date: 2020-09-22:
| 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 |
20049 |
5402 |
60 |
107 |
0 |
0 |
0 |
0 |
| OW |
1 |
166 |
26 |
194 |
66 |
0 |
0 |
0 |
| VODI |
0 |
58 |
25 |
157 |
249 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
349 |
244 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
37 |
844 |
275 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
334 |
2339 |
1046 |
|
...date precedes bulletin
|
Date: 2020-09-24:
| 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 |
20313 |
5130 |
15 |
29 |
0 |
0 |
0 |
0 |
| OW |
1 |
377 |
31 |
157 |
96 |
0 |
0 |
0 |
| VODI |
0 |
174 |
35 |
124 |
211 |
26 |
0 |
0 |
| ODI |
0 |
16 |
12 |
139 |
236 |
132 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
338 |
673 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1940 |
1867 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20313 |
5334 |
26 |
88 |
21 |
0 |
0 |
0 |
| OW |
1 |
243 |
24 |
91 |
111 |
0 |
0 |
0 |
| VODI |
0 |
119 |
40 |
147 |
190 |
30 |
0 |
0 |
| ODI |
0 |
1 |
3 |
127 |
279 |
151 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
281 |
718 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1872 |
1867 |
1 |
|
Date: 2020-09-26:
| 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 |
21014 |
4364 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
1 |
734 |
34 |
133 |
0 |
0 |
0 |
0 |
| VODI |
0 |
282 |
28 |
214 |
128 |
0 |
0 |
0 |
| ODI |
0 |
47 |
23 |
152 |
288 |
24 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
461 |
453 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
1257 |
2380 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21015 |
4841 |
13 |
32 |
0 |
0 |
0 |
0 |
| OW |
0 |
398 |
30 |
116 |
3 |
0 |
0 |
0 |
| VODI |
0 |
172 |
27 |
218 |
144 |
0 |
0 |
0 |
| ODI |
0 |
16 |
18 |
148 |
348 |
41 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
397 |
513 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1180 |
2389 |
0 |
|
Date: 2020-09-28:
| 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 |
19551 |
6459 |
19 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
282 |
57 |
141 |
1 |
0 |
0 |
0 |
| VODI |
0 |
15 |
17 |
401 |
122 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
15 |
701 |
7 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
124 |
748 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2009 |
1369 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19551 |
5811 |
14 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
709 |
33 |
108 |
4 |
0 |
0 |
0 |
| VODI |
0 |
213 |
29 |
279 |
91 |
0 |
0 |
0 |
| ODI |
0 |
23 |
17 |
161 |
370 |
25 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
480 |
372 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2367 |
1388 |
0 |
|
Date: 2020-09-30:
| 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 |
19560 |
6001 |
44 |
250 |
68 |
0 |
0 |
0 |
| OW |
0 |
242 |
19 |
53 |
179 |
0 |
0 |
0 |
| VODI |
0 |
39 |
22 |
235 |
255 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
409 |
129 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
261 |
574 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2324 |
1375 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19560 |
5203 |
28 |
124 |
17 |
0 |
0 |
0 |
| OW |
0 |
766 |
13 |
81 |
124 |
0 |
0 |
0 |
| VODI |
0 |
294 |
30 |
115 |
251 |
6 |
0 |
0 |
| ODI |
0 |
19 |
14 |
224 |
208 |
96 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
526 |
332 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
2596 |
1382 |
0 |
|
Date: 2020-10-02:
| 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 |
19841 |
5400 |
44 |
204 |
63 |
0 |
0 |
0 |
| OW |
3 |
390 |
6 |
83 |
207 |
0 |
0 |
0 |
| VODI |
0 |
142 |
26 |
176 |
149 |
91 |
0 |
0 |
| ODI |
0 |
0 |
2 |
144 |
198 |
172 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
421 |
275 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
3288 |
694 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19843 |
4653 |
29 |
104 |
28 |
0 |
0 |
0 |
| OW |
1 |
739 |
14 |
102 |
154 |
4 |
0 |
0 |
| VODI |
0 |
406 |
3 |
87 |
181 |
90 |
0 |
0 |
| ODI |
0 |
133 |
29 |
177 |
62 |
154 |
0 |
0 |
| CDI |
0 |
1 |
3 |
141 |
428 |
227 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
195 |
3351 |
726 |
0 |
|
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