Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-29
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-23:
| 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 |
11508 |
4055 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2041 |
336 |
147 |
0 |
0 |
0 |
0 |
| VODI |
0 |
87 |
341 |
2507 |
262 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
164 |
6378 |
1131 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
676 |
3458 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-25:
| 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 |
11740 |
3878 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2237 |
230 |
117 |
0 |
0 |
0 |
0 |
| VODI |
0 |
228 |
436 |
2169 |
244 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
309 |
6809 |
868 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
400 |
3427 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-27:
| 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 |
11716 |
4989 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1842 |
429 |
188 |
0 |
0 |
0 |
0 |
| VODI |
0 |
21 |
125 |
2054 |
203 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
235 |
6267 |
346 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
950 |
3557 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
171 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-29:
| 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 |
13006 |
4069 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
37 |
1937 |
260 |
83 |
0 |
0 |
0 |
0 |
| VODI |
0 |
179 |
271 |
1722 |
198 |
0 |
0 |
0 |
| ODI |
0 |
0 |
15 |
393 |
6326 |
105 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
1523 |
2940 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
9 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13042 |
4131 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
1855 |
262 |
108 |
0 |
0 |
0 |
0 |
| VODI |
0 |
199 |
271 |
1677 |
352 |
0 |
0 |
0 |
| ODI |
0 |
0 |
13 |
406 |
6088 |
133 |
0 |
0 |
| CDI |
0 |
0 |
0 |
30 |
1607 |
2889 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
32 |
0 |
0 |
|
Date: 2024-08-31:
| 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 |
13242 |
3960 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
3 |
1969 |
196 |
115 |
0 |
0 |
0 |
0 |
| VODI |
0 |
250 |
273 |
1646 |
153 |
0 |
0 |
0 |
| ODI |
0 |
3 |
25 |
542 |
6231 |
137 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
786 |
3542 |
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 |
13242 |
4062 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
3 |
1866 |
218 |
153 |
0 |
0 |
0 |
0 |
| VODI |
0 |
252 |
255 |
1586 |
417 |
0 |
0 |
0 |
| ODI |
0 |
2 |
21 |
570 |
5852 |
243 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
901 |
3436 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-09-02:
| 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 |
13451 |
4656 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1472 |
452 |
190 |
0 |
0 |
0 |
0 |
| VODI |
0 |
2 |
50 |
1894 |
158 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
138 |
7243 |
119 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
399 |
2871 |
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 |
13359 |
4019 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
92 |
1723 |
228 |
273 |
0 |
0 |
0 |
0 |
| VODI |
0 |
387 |
252 |
1370 |
536 |
0 |
0 |
0 |
| ODI |
0 |
1 |
21 |
568 |
5788 |
188 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
1476 |
2802 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-09-04:
| 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 |
13913 |
4072 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
440 |
1214 |
261 |
206 |
0 |
0 |
0 |
0 |
| VODI |
0 |
16 |
128 |
1640 |
424 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
137 |
6627 |
570 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
308 |
3139 |
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 |
13598 |
3721 |
6 |
1 |
0 |
0 |
0 |
0 |
| OW |
620 |
1286 |
195 |
342 |
0 |
0 |
0 |
0 |
| VODI |
135 |
294 |
174 |
1161 |
754 |
0 |
0 |
0 |
| ODI |
0 |
1 |
15 |
479 |
5651 |
394 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
954 |
3315 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-09-06:
| 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 |
14241 |
3862 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
323 |
1265 |
304 |
162 |
0 |
0 |
0 |
0 |
| VODI |
0 |
48 |
161 |
1575 |
378 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
6038 |
944 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
556 |
3152 |
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 |
13838 |
3600 |
11 |
0 |
0 |
0 |
0 |
0 |
| OW |
637 |
1356 |
286 |
279 |
1 |
0 |
0 |
0 |
| VODI |
89 |
219 |
169 |
1319 |
687 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
225 |
5277 |
564 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1007 |
3532 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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