Validation of sea ice concentration - Asian sector
Bulletin date: 2021-09-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-09-17:
| 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 |
12232 |
7411 |
51 |
246 |
77 |
0 |
0 |
0 |
| OW |
0 |
510 |
66 |
348 |
121 |
0 |
0 |
0 |
| VODI |
0 |
105 |
25 |
406 |
454 |
7 |
0 |
0 |
| ODI |
0 |
2 |
3 |
37 |
427 |
147 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
144 |
1329 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2806 |
4992 |
0 |
|
...date precedes bulletin
|
Date: 2021-09-19:
| 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 |
12153 |
7126 |
64 |
235 |
87 |
0 |
0 |
0 |
| OW |
0 |
605 |
54 |
351 |
151 |
0 |
0 |
0 |
| VODI |
0 |
134 |
28 |
340 |
493 |
20 |
0 |
0 |
| ODI |
0 |
11 |
6 |
49 |
426 |
158 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
154 |
1182 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1581 |
5535 |
991 |
|
...date precedes bulletin
|
Date: 2021-09-21:
| 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 |
12296 |
7385 |
68 |
274 |
47 |
0 |
0 |
0 |
| OW |
0 |
342 |
68 |
331 |
90 |
0 |
0 |
0 |
| VODI |
0 |
65 |
21 |
447 |
340 |
3 |
0 |
0 |
| ODI |
0 |
11 |
4 |
30 |
543 |
71 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
177 |
1159 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2376 |
5755 |
75 |
|
...date precedes bulletin
|
Date: 2021-09-23:
| 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 |
12126 |
7438 |
49 |
244 |
24 |
0 |
0 |
0 |
| OW |
0 |
499 |
77 |
346 |
103 |
0 |
0 |
0 |
| VODI |
0 |
94 |
26 |
445 |
312 |
2 |
0 |
0 |
| ODI |
0 |
17 |
2 |
69 |
480 |
64 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
269 |
778 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2032 |
6260 |
285 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12126 |
7611 |
63 |
300 |
28 |
0 |
0 |
0 |
| OW |
0 |
304 |
56 |
271 |
81 |
0 |
0 |
0 |
| VODI |
0 |
111 |
33 |
435 |
265 |
0 |
0 |
0 |
| ODI |
0 |
22 |
2 |
96 |
502 |
42 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
312 |
665 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2169 |
6264 |
285 |
|
Date: 2021-09-25:
| 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 |
12040 |
7415 |
50 |
233 |
12 |
0 |
0 |
0 |
| OW |
0 |
579 |
80 |
320 |
112 |
0 |
0 |
0 |
| VODI |
0 |
129 |
19 |
384 |
293 |
16 |
0 |
0 |
| ODI |
0 |
37 |
4 |
97 |
402 |
84 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
269 |
676 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1542 |
5254 |
1984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12040 |
7593 |
63 |
269 |
16 |
0 |
0 |
0 |
| OW |
0 |
392 |
58 |
264 |
70 |
0 |
0 |
0 |
| VODI |
0 |
131 |
28 |
375 |
278 |
5 |
0 |
0 |
| ODI |
0 |
44 |
4 |
119 |
399 |
45 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
328 |
597 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1671 |
5270 |
1984 |
|
Date: 2021-09-27:
| 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 |
11358 |
8112 |
57 |
223 |
13 |
0 |
0 |
0 |
| OW |
0 |
378 |
68 |
351 |
57 |
0 |
0 |
0 |
| VODI |
0 |
90 |
16 |
337 |
325 |
9 |
0 |
0 |
| ODI |
0 |
12 |
0 |
64 |
493 |
61 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
214 |
626 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2070 |
5571 |
1543 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11358 |
7898 |
64 |
352 |
38 |
0 |
0 |
0 |
| OW |
0 |
465 |
45 |
230 |
101 |
4 |
0 |
0 |
| VODI |
0 |
158 |
25 |
253 |
333 |
30 |
0 |
0 |
| ODI |
0 |
62 |
4 |
92 |
308 |
119 |
0 |
0 |
| CDI |
0 |
9 |
3 |
51 |
269 |
421 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
53 |
2192 |
5514 |
1543 |
|
Date: 2021-09-29:
| 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 |
10667 |
8604 |
68 |
255 |
7 |
0 |
0 |
0 |
| OW |
0 |
474 |
46 |
356 |
71 |
0 |
0 |
0 |
| VODI |
0 |
192 |
28 |
305 |
238 |
3 |
0 |
0 |
| ODI |
0 |
34 |
14 |
167 |
300 |
88 |
0 |
0 |
| CDI |
0 |
3 |
1 |
65 |
357 |
383 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
1983 |
4801 |
2490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10667 |
8334 |
65 |
298 |
37 |
0 |
0 |
0 |
| OW |
0 |
554 |
31 |
260 |
78 |
0 |
0 |
0 |
| VODI |
0 |
254 |
30 |
295 |
198 |
27 |
0 |
0 |
| ODI |
0 |
116 |
19 |
136 |
207 |
98 |
0 |
0 |
| CDI |
0 |
49 |
11 |
136 |
306 |
241 |
3 |
0 |
| VCDI |
0 |
0 |
1 |
23 |
229 |
2091 |
4798 |
2490 |
|
Date: 2021-10-01:
| 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 |
11125 |
7364 |
52 |
207 |
112 |
0 |
0 |
0 |
| OW |
0 |
816 |
50 |
332 |
120 |
41 |
0 |
0 |
| VODI |
0 |
183 |
36 |
377 |
222 |
83 |
0 |
0 |
| ODI |
0 |
31 |
9 |
133 |
348 |
120 |
0 |
0 |
| CDI |
0 |
5 |
6 |
59 |
273 |
426 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
112 |
1319 |
5314 |
2753 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11107 |
7190 |
42 |
276 |
149 |
54 |
0 |
0 |
| OW |
18 |
727 |
40 |
194 |
119 |
39 |
0 |
0 |
| VODI |
0 |
314 |
38 |
285 |
158 |
88 |
0 |
0 |
| ODI |
0 |
99 |
11 |
182 |
203 |
102 |
14 |
0 |
| CDI |
0 |
69 |
13 |
95 |
273 |
186 |
54 |
0 |
| VCDI |
0 |
0 |
9 |
79 |
285 |
1520 |
5297 |
2753 |
|
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