Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-16:
| 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 |
9780 |
7988 |
559 |
197 |
0 |
0 |
0 |
0 |
| OW |
0 |
400 |
262 |
367 |
21 |
0 |
0 |
0 |
| VODI |
0 |
122 |
226 |
643 |
248 |
36 |
0 |
0 |
| ODI |
0 |
13 |
40 |
428 |
1290 |
516 |
0 |
0 |
| CDI |
0 |
0 |
3 |
46 |
584 |
7017 |
220 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
11 |
1040 |
22 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-18:
| 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 |
9820 |
7848 |
452 |
134 |
0 |
0 |
0 |
0 |
| OW |
0 |
401 |
291 |
380 |
33 |
0 |
0 |
0 |
| VODI |
0 |
104 |
226 |
626 |
278 |
66 |
0 |
0 |
| ODI |
0 |
16 |
42 |
332 |
819 |
402 |
0 |
0 |
| CDI |
0 |
1 |
4 |
41 |
423 |
6780 |
961 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
1006 |
581 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-20:
| 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 |
9708 |
7963 |
440 |
220 |
1 |
0 |
0 |
0 |
| OW |
0 |
181 |
305 |
424 |
46 |
0 |
0 |
0 |
| VODI |
0 |
28 |
82 |
670 |
320 |
46 |
0 |
0 |
| ODI |
0 |
1 |
10 |
112 |
636 |
366 |
10 |
0 |
| CDI |
0 |
0 |
1 |
18 |
234 |
4387 |
1288 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1787 |
2786 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-22:
| 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 |
8931 |
8500 |
330 |
142 |
10 |
0 |
0 |
0 |
| OW |
0 |
418 |
367 |
269 |
63 |
6 |
0 |
0 |
| VODI |
0 |
95 |
151 |
415 |
431 |
98 |
0 |
0 |
| ODI |
0 |
1 |
11 |
108 |
493 |
350 |
22 |
0 |
| CDI |
0 |
0 |
1 |
27 |
178 |
2661 |
759 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1975 |
5257 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8931 |
8525 |
453 |
173 |
18 |
0 |
0 |
0 |
| OW |
0 |
401 |
255 |
280 |
80 |
11 |
0 |
0 |
| VODI |
0 |
87 |
134 |
344 |
406 |
104 |
4 |
0 |
| ODI |
0 |
1 |
18 |
132 |
450 |
337 |
23 |
0 |
| CDI |
0 |
0 |
0 |
32 |
222 |
2635 |
822 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2003 |
5189 |
0 |
|
Date: 2022-09-24:
| 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 |
9129 |
7624 |
181 |
143 |
19 |
2 |
0 |
0 |
| OW |
0 |
760 |
271 |
412 |
91 |
20 |
0 |
0 |
| VODI |
0 |
176 |
135 |
350 |
388 |
159 |
1 |
0 |
| ODI |
0 |
13 |
35 |
74 |
305 |
480 |
21 |
0 |
| CDI |
0 |
0 |
3 |
53 |
193 |
1414 |
506 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
4266 |
4819 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9129 |
7822 |
308 |
207 |
34 |
0 |
0 |
0 |
| OW |
0 |
523 |
154 |
389 |
110 |
32 |
0 |
0 |
| VODI |
0 |
205 |
118 |
271 |
329 |
149 |
2 |
0 |
| ODI |
0 |
20 |
33 |
104 |
299 |
461 |
26 |
0 |
| CDI |
0 |
3 |
12 |
61 |
226 |
1366 |
516 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
4333 |
4803 |
0 |
|
Date: 2022-09-26:
| 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 |
9130 |
8218 |
295 |
114 |
5 |
0 |
0 |
0 |
| OW |
0 |
319 |
319 |
384 |
48 |
2 |
0 |
0 |
| VODI |
0 |
48 |
70 |
399 |
304 |
24 |
0 |
0 |
| ODI |
0 |
0 |
13 |
94 |
422 |
220 |
3 |
0 |
| CDI |
0 |
0 |
0 |
13 |
243 |
1740 |
259 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
4705 |
4670 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9130 |
7518 |
186 |
114 |
22 |
4 |
0 |
0 |
| OW |
0 |
746 |
279 |
355 |
122 |
21 |
2 |
0 |
| VODI |
0 |
283 |
170 |
334 |
317 |
121 |
4 |
0 |
| ODI |
0 |
34 |
44 |
126 |
288 |
392 |
48 |
0 |
| CDI |
0 |
4 |
18 |
75 |
244 |
988 |
466 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
5165 |
4412 |
0 |
|
Date: 2022-09-28:
| 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 |
9703 |
7262 |
261 |
202 |
6 |
0 |
0 |
0 |
| OW |
0 |
324 |
289 |
571 |
96 |
2 |
0 |
0 |
| VODI |
0 |
41 |
85 |
337 |
423 |
22 |
0 |
0 |
| ODI |
0 |
6 |
30 |
118 |
348 |
181 |
1 |
0 |
| CDI |
0 |
0 |
9 |
74 |
269 |
1320 |
258 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
123 |
5014 |
4704 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9703 |
6586 |
176 |
205 |
24 |
2 |
0 |
0 |
| OW |
0 |
665 |
197 |
305 |
147 |
15 |
3 |
0 |
| VODI |
0 |
345 |
213 |
515 |
378 |
166 |
10 |
0 |
| ODI |
0 |
34 |
67 |
175 |
313 |
285 |
32 |
0 |
| CDI |
0 |
3 |
21 |
97 |
270 |
926 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
133 |
5145 |
4620 |
0 |
|
Date: 2022-09-30:
| 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 |
8896 |
7568 |
150 |
111 |
2 |
0 |
0 |
0 |
| OW |
0 |
567 |
309 |
430 |
260 |
9 |
0 |
0 |
| VODI |
0 |
49 |
138 |
333 |
426 |
159 |
0 |
0 |
| ODI |
0 |
9 |
39 |
133 |
217 |
347 |
16 |
0 |
| CDI |
0 |
0 |
10 |
86 |
204 |
1083 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
100 |
4295 |
5878 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8896 |
7196 |
157 |
177 |
75 |
4 |
0 |
0 |
| OW |
0 |
577 |
146 |
171 |
195 |
61 |
0 |
0 |
| VODI |
0 |
380 |
220 |
409 |
435 |
329 |
26 |
0 |
| ODI |
0 |
32 |
92 |
175 |
179 |
323 |
63 |
0 |
| CDI |
0 |
8 |
31 |
144 |
171 |
665 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
154 |
4511 |
5852 |
0 |
|
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