Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-08
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-02:
| 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 |
8985 |
3875 |
2 |
14 |
0 |
0 |
0 |
0 |
| OW |
284 |
1480 |
229 |
105 |
0 |
0 |
0 |
0 |
| VODI |
50 |
196 |
309 |
2294 |
639 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
310 |
5173 |
379 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1794 |
6924 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-04:
| 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 |
9350 |
3590 |
3 |
5 |
0 |
0 |
0 |
0 |
| OW |
279 |
1468 |
206 |
114 |
0 |
0 |
0 |
0 |
| VODI |
42 |
273 |
272 |
2284 |
910 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
380 |
4990 |
381 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2302 |
6247 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-06:
| 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 |
9507 |
4266 |
10 |
11 |
0 |
0 |
0 |
0 |
| OW |
160 |
1268 |
380 |
137 |
1 |
0 |
0 |
0 |
| VODI |
2 |
9 |
85 |
2746 |
422 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
216 |
6440 |
1040 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
530 |
5830 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-08:
| 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 |
9659 |
4341 |
8 |
6 |
0 |
0 |
0 |
0 |
| OW |
148 |
1246 |
324 |
170 |
2 |
0 |
0 |
0 |
| VODI |
0 |
32 |
171 |
2745 |
467 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
313 |
6221 |
1108 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
368 |
5043 |
724 |
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 |
9662 |
4367 |
8 |
3 |
0 |
0 |
0 |
0 |
| OW |
145 |
1220 |
322 |
179 |
2 |
0 |
0 |
0 |
| VODI |
0 |
32 |
173 |
2776 |
502 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
276 |
5852 |
1558 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
702 |
4593 |
724 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-10:
| 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 |
10120 |
4014 |
10 |
0 |
0 |
0 |
0 |
0 |
| OW |
85 |
1440 |
226 |
138 |
3 |
0 |
0 |
0 |
| VODI |
0 |
163 |
266 |
2641 |
557 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
244 |
6524 |
1222 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
424 |
4735 |
284 |
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 |
10109 |
3953 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
96 |
1494 |
198 |
140 |
1 |
0 |
0 |
0 |
| VODI |
0 |
170 |
297 |
2639 |
734 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
240 |
5912 |
1888 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
861 |
4069 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-12:
| 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 |
9983 |
4739 |
5 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
1319 |
514 |
180 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
41 |
3001 |
296 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
98 |
6693 |
185 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
446 |
5522 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9955 |
4024 |
4 |
2 |
0 |
0 |
0 |
0 |
| OW |
28 |
1686 |
175 |
128 |
4 |
0 |
0 |
0 |
| VODI |
0 |
354 |
376 |
2742 |
969 |
0 |
0 |
0 |
| ODI |
0 |
2 |
5 |
412 |
4828 |
1857 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1634 |
3850 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-14:
| 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 |
10619 |
4035 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
1588 |
246 |
93 |
3 |
0 |
0 |
0 |
| VODI |
0 |
170 |
312 |
3109 |
242 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
325 |
5948 |
377 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1014 |
4902 |
105 |
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 |
10608 |
3199 |
2 |
8 |
1 |
0 |
0 |
0 |
| OW |
11 |
1808 |
105 |
169 |
16 |
0 |
0 |
0 |
| VODI |
0 |
772 |
431 |
2744 |
852 |
0 |
0 |
0 |
| ODI |
0 |
14 |
20 |
607 |
4514 |
1677 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
1824 |
3602 |
105 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-16:
| 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 |
10756 |
3830 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
1753 |
195 |
73 |
5 |
0 |
0 |
0 |
| VODI |
0 |
318 |
390 |
2958 |
264 |
0 |
0 |
0 |
| ODI |
0 |
6 |
9 |
453 |
5966 |
517 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1439 |
3946 |
190 |
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 |
10739 |
3001 |
2 |
10 |
2 |
0 |
0 |
0 |
| OW |
17 |
1875 |
125 |
153 |
25 |
0 |
0 |
0 |
| VODI |
0 |
981 |
439 |
2791 |
781 |
0 |
0 |
0 |
| ODI |
0 |
50 |
27 |
546 |
4621 |
1724 |
0 |
0 |
| CDI |
0 |
0 |
1 |
12 |
2245 |
2739 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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