Validation of sea ice concentration - Asian sector
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-04:
| 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 |
3568 |
7504 |
247 |
114 |
3 |
0 |
0 |
0 |
| OW |
0 |
718 |
460 |
619 |
72 |
0 |
0 |
0 |
| VODI |
0 |
138 |
223 |
1766 |
1013 |
12 |
0 |
0 |
| ODI |
0 |
9 |
23 |
578 |
4301 |
1126 |
0 |
0 |
| CDI |
0 |
0 |
2 |
23 |
1233 |
6738 |
85 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1173 |
334 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-06:
| 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 |
4822 |
6482 |
186 |
120 |
6 |
0 |
0 |
0 |
| OW |
0 |
910 |
403 |
702 |
89 |
0 |
0 |
0 |
| VODI |
0 |
203 |
228 |
1796 |
1064 |
0 |
0 |
0 |
| ODI |
0 |
8 |
24 |
744 |
3919 |
1070 |
0 |
0 |
| CDI |
0 |
0 |
2 |
48 |
2594 |
5699 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
824 |
123 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-08:
| 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 |
5252 |
7084 |
289 |
182 |
6 |
0 |
0 |
0 |
| OW |
0 |
505 |
338 |
446 |
60 |
0 |
0 |
0 |
| VODI |
0 |
130 |
283 |
1933 |
792 |
13 |
0 |
0 |
| ODI |
0 |
0 |
8 |
668 |
5263 |
1136 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
1288 |
6019 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
157 |
71 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-10:
| 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 |
5647 |
7085 |
282 |
262 |
26 |
0 |
0 |
0 |
| OW |
0 |
573 |
334 |
490 |
89 |
0 |
0 |
0 |
| VODI |
0 |
173 |
333 |
1874 |
796 |
37 |
0 |
0 |
| ODI |
0 |
0 |
0 |
738 |
3860 |
2779 |
85 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1056 |
5130 |
370 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
7 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5647 |
7204 |
327 |
307 |
26 |
0 |
0 |
0 |
| OW |
0 |
482 |
338 |
523 |
90 |
0 |
0 |
0 |
| VODI |
0 |
140 |
275 |
1604 |
789 |
45 |
0 |
0 |
| ODI |
0 |
5 |
9 |
930 |
3727 |
2579 |
97 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1195 |
5328 |
358 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
48 |
7 |
0 |
|
Date: 2023-08-12:
| 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 |
5638 |
7535 |
254 |
219 |
22 |
0 |
0 |
0 |
| OW |
0 |
767 |
335 |
466 |
116 |
14 |
0 |
0 |
| VODI |
0 |
331 |
357 |
1626 |
809 |
128 |
8 |
0 |
| ODI |
0 |
0 |
4 |
908 |
3785 |
2620 |
177 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1598 |
4144 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
39 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5638 |
7688 |
303 |
274 |
21 |
0 |
0 |
0 |
| OW |
0 |
625 |
299 |
447 |
126 |
9 |
0 |
0 |
| VODI |
0 |
317 |
341 |
1414 |
769 |
129 |
6 |
0 |
| ODI |
0 |
3 |
7 |
1083 |
3631 |
2552 |
162 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1783 |
4235 |
198 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
20 |
0 |
0 |
|
Date: 2023-08-14:
| 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 |
6361 |
8327 |
209 |
90 |
6 |
0 |
0 |
0 |
| OW |
0 |
441 |
278 |
347 |
32 |
0 |
0 |
0 |
| VODI |
0 |
94 |
300 |
2104 |
646 |
10 |
0 |
0 |
| ODI |
0 |
0 |
5 |
600 |
4884 |
472 |
1 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1059 |
5522 |
65 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
175 |
53 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6361 |
7502 |
201 |
159 |
17 |
0 |
0 |
0 |
| OW |
0 |
843 |
230 |
401 |
162 |
14 |
0 |
0 |
| VODI |
0 |
509 |
311 |
1240 |
748 |
166 |
3 |
0 |
| ODI |
0 |
8 |
50 |
1320 |
3612 |
2388 |
57 |
0 |
| CDI |
0 |
0 |
0 |
22 |
2088 |
3611 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2023-08-16:
| 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 |
5879 |
8983 |
280 |
178 |
16 |
0 |
0 |
0 |
| OW |
0 |
382 |
277 |
587 |
69 |
1 |
0 |
0 |
| VODI |
0 |
144 |
280 |
1824 |
667 |
14 |
0 |
0 |
| ODI |
0 |
1 |
8 |
702 |
4457 |
696 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
1057 |
5346 |
156 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
51 |
17 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5875 |
7886 |
270 |
262 |
45 |
7 |
0 |
0 |
| OW |
4 |
1045 |
206 |
442 |
130 |
45 |
0 |
0 |
| VODI |
0 |
554 |
284 |
1254 |
739 |
201 |
4 |
0 |
| ODI |
0 |
25 |
85 |
1297 |
3356 |
2472 |
30 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1996 |
3383 |
139 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2023-08-18:
| 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 |
5675 |
9415 |
258 |
188 |
8 |
0 |
0 |
0 |
| OW |
0 |
564 |
318 |
438 |
53 |
0 |
0 |
0 |
| VODI |
0 |
266 |
343 |
1818 |
433 |
12 |
0 |
0 |
| ODI |
0 |
2 |
16 |
650 |
4195 |
915 |
1 |
0 |
| CDI |
0 |
0 |
0 |
15 |
1141 |
5062 |
252 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
15 |
29 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5660 |
8303 |
273 |
274 |
37 |
0 |
0 |
0 |
| OW |
15 |
1131 |
208 |
370 |
145 |
17 |
1 |
0 |
| VODI |
0 |
760 |
332 |
1127 |
609 |
276 |
54 |
0 |
| ODI |
0 |
53 |
122 |
1327 |
3037 |
2444 |
139 |
0 |
| CDI |
0 |
0 |
0 |
11 |
2002 |
3267 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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