Validation of sea ice concentration - Asian sector
Bulletin date: 2024-09-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-30:
| 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 |
11381 |
4792 |
14 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1795 |
249 |
183 |
0 |
0 |
0 |
0 |
| VODI |
0 |
349 |
308 |
1418 |
269 |
0 |
0 |
0 |
| ODI |
0 |
44 |
27 |
863 |
5415 |
562 |
0 |
0 |
| CDI |
0 |
4 |
9 |
23 |
1019 |
3348 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-01:
| 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 |
11670 |
4589 |
12 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1888 |
231 |
199 |
0 |
0 |
0 |
0 |
| VODI |
0 |
451 |
314 |
1334 |
216 |
6 |
0 |
0 |
| ODI |
0 |
59 |
33 |
920 |
5148 |
662 |
0 |
0 |
| CDI |
0 |
8 |
8 |
23 |
1698 |
2613 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-03:
| 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 |
11619 |
5415 |
28 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1424 |
397 |
277 |
0 |
0 |
0 |
0 |
| VODI |
0 |
120 |
168 |
1530 |
343 |
1 |
0 |
0 |
| ODI |
0 |
0 |
8 |
825 |
5520 |
1136 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
309 |
2962 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-05:
| 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 |
11470 |
5575 |
7 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
1612 |
314 |
149 |
0 |
0 |
0 |
0 |
| VODI |
0 |
129 |
207 |
1408 |
408 |
12 |
0 |
0 |
| ODI |
0 |
2 |
11 |
486 |
4797 |
1884 |
9 |
0 |
| CDI |
0 |
0 |
0 |
1 |
368 |
3231 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11470 |
5771 |
45 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
1386 |
295 |
164 |
0 |
0 |
0 |
0 |
| VODI |
0 |
158 |
185 |
1378 |
519 |
17 |
0 |
0 |
| ODI |
0 |
3 |
14 |
496 |
4791 |
2293 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
263 |
2817 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-09-07:
| 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 |
12223 |
4942 |
10 |
1 |
0 |
0 |
0 |
0 |
| OW |
96 |
1553 |
229 |
136 |
0 |
0 |
0 |
0 |
| VODI |
0 |
137 |
251 |
1407 |
340 |
11 |
0 |
0 |
| ODI |
0 |
1 |
5 |
363 |
4708 |
1587 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
426 |
3545 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12260 |
5082 |
12 |
1 |
0 |
0 |
0 |
0 |
| OW |
59 |
1403 |
242 |
150 |
0 |
0 |
0 |
0 |
| VODI |
0 |
147 |
237 |
1423 |
438 |
6 |
0 |
0 |
| ODI |
0 |
1 |
4 |
333 |
4617 |
1950 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
419 |
3187 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-09-09:
| 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 |
13546 |
4582 |
37 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
864 |
244 |
181 |
22 |
0 |
0 |
0 |
| VODI |
0 |
84 |
136 |
1020 |
243 |
14 |
0 |
0 |
| ODI |
0 |
1 |
2 |
163 |
2236 |
484 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
344 |
5126 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1336 |
1333 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13349 |
4097 |
33 |
32 |
10 |
0 |
0 |
0 |
| OW |
197 |
1223 |
203 |
232 |
55 |
3 |
0 |
0 |
| VODI |
0 |
197 |
167 |
963 |
699 |
165 |
0 |
0 |
| ODI |
0 |
14 |
16 |
147 |
1693 |
2728 |
58 |
0 |
| CDI |
0 |
0 |
0 |
0 |
388 |
4040 |
1349 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
24 |
0 |
0 |
|
Date: 2024-09-11:
| 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 |
13714 |
4521 |
23 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
917 |
233 |
149 |
25 |
0 |
0 |
0 |
| VODI |
0 |
118 |
167 |
908 |
264 |
17 |
0 |
0 |
| ODI |
0 |
1 |
6 |
249 |
1677 |
346 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
856 |
3680 |
366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
2305 |
1452 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13592 |
4022 |
36 |
39 |
3 |
0 |
0 |
0 |
| OW |
122 |
1264 |
194 |
246 |
59 |
2 |
0 |
0 |
| VODI |
0 |
254 |
178 |
869 |
728 |
61 |
0 |
0 |
| ODI |
0 |
17 |
21 |
159 |
1906 |
1705 |
8 |
0 |
| CDI |
0 |
0 |
0 |
3 |
202 |
4423 |
1800 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
157 |
12 |
0 |
|
Date: 2024-09-13:
| 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 |
13857 |
4244 |
14 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
948 |
246 |
151 |
8 |
0 |
0 |
0 |
| VODI |
0 |
142 |
221 |
872 |
254 |
22 |
0 |
0 |
| ODI |
0 |
2 |
14 |
298 |
1501 |
437 |
2 |
0 |
| CDI |
0 |
0 |
0 |
4 |
609 |
2352 |
738 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
3033 |
2061 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13795 |
3835 |
49 |
22 |
0 |
0 |
0 |
0 |
| OW |
63 |
1216 |
268 |
342 |
31 |
1 |
0 |
0 |
| VODI |
0 |
274 |
154 |
790 |
680 |
129 |
2 |
0 |
| ODI |
0 |
11 |
23 |
162 |
1623 |
1702 |
145 |
0 |
| CDI |
0 |
0 |
1 |
9 |
89 |
3683 |
2550 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
329 |
104 |
0 |
|
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