Validation of sea ice concentration - Asian sector
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. 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 |
4635 |
6319 |
256 |
226 |
0 |
0 |
0 |
0 |
| OW |
0 |
282 |
346 |
1218 |
23 |
0 |
0 |
0 |
| VODI |
0 |
14 |
39 |
1911 |
1188 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
163 |
4798 |
1076 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
888 |
6972 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1001 |
506 |
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 |
4380 |
6707 |
304 |
222 |
3 |
0 |
0 |
0 |
| OW |
0 |
413 |
394 |
1255 |
42 |
0 |
0 |
0 |
| VODI |
0 |
38 |
117 |
2019 |
1117 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
268 |
4401 |
1095 |
1 |
0 |
| CDI |
0 |
0 |
0 |
12 |
1299 |
6978 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
702 |
245 |
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 |
4529 |
7564 |
464 |
254 |
2 |
0 |
0 |
0 |
| OW |
0 |
162 |
311 |
858 |
18 |
0 |
0 |
0 |
| VODI |
0 |
2 |
21 |
2417 |
711 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
104 |
6026 |
945 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
774 |
6194 |
498 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
14 |
214 |
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 |
5685 |
6839 |
414 |
361 |
3 |
0 |
0 |
0 |
| OW |
0 |
328 |
370 |
719 |
69 |
0 |
0 |
0 |
| VODI |
0 |
4 |
101 |
2302 |
778 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
214 |
4785 |
2202 |
261 |
0 |
| CDI |
0 |
0 |
0 |
0 |
717 |
5138 |
703 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
56 |
5 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5685 |
6933 |
478 |
409 |
6 |
0 |
0 |
0 |
| OW |
0 |
231 |
341 |
793 |
68 |
0 |
0 |
0 |
| VODI |
0 |
7 |
66 |
1964 |
779 |
37 |
0 |
0 |
| ODI |
0 |
0 |
0 |
430 |
4613 |
2041 |
263 |
0 |
| CDI |
0 |
0 |
0 |
0 |
886 |
5296 |
701 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
50 |
5 |
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 |
6081 |
6896 |
281 |
401 |
9 |
0 |
0 |
0 |
| OW |
2 |
594 |
244 |
705 |
151 |
2 |
0 |
0 |
| VODI |
0 |
131 |
227 |
2032 |
767 |
102 |
0 |
0 |
| ODI |
0 |
0 |
0 |
524 |
4316 |
2259 |
395 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1455 |
4141 |
328 |
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 |
6083 |
7035 |
313 |
478 |
15 |
0 |
0 |
0 |
| OW |
0 |
455 |
207 |
708 |
136 |
0 |
0 |
0 |
| VODI |
0 |
131 |
232 |
1751 |
768 |
94 |
0 |
0 |
| ODI |
0 |
0 |
0 |
725 |
4126 |
2229 |
358 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1653 |
4200 |
365 |
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 |
6278 |
8272 |
276 |
167 |
0 |
0 |
0 |
0 |
| OW |
0 |
62 |
300 |
729 |
7 |
0 |
0 |
0 |
| VODI |
0 |
1 |
4 |
2745 |
401 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
154 |
5526 |
282 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
506 |
5969 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
58 |
170 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6278 |
7319 |
257 |
378 |
8 |
0 |
0 |
0 |
| OW |
0 |
698 |
172 |
628 |
146 |
6 |
0 |
0 |
| VODI |
0 |
318 |
151 |
1684 |
683 |
141 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1105 |
3860 |
2367 |
103 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1743 |
3798 |
239 |
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 |
5649 |
9052 |
369 |
266 |
0 |
0 |
0 |
0 |
| OW |
0 |
162 |
219 |
912 |
23 |
0 |
0 |
0 |
| VODI |
0 |
5 |
49 |
2388 |
481 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
218 |
5069 |
577 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
583 |
5685 |
301 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
45 |
23 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5643 |
7958 |
324 |
376 |
42 |
2 |
0 |
0 |
| OW |
6 |
902 |
149 |
702 |
91 |
22 |
0 |
0 |
| VODI |
0 |
359 |
164 |
1665 |
693 |
155 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1041 |
3756 |
2405 |
63 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1574 |
3729 |
261 |
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 |
5854 |
9136 |
333 |
221 |
0 |
0 |
0 |
0 |
| OW |
0 |
372 |
374 |
616 |
11 |
0 |
0 |
0 |
| VODI |
0 |
67 |
147 |
2260 |
396 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
266 |
4615 |
897 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
520 |
5672 |
278 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
10 |
34 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5839 |
7976 |
335 |
374 |
23 |
0 |
0 |
0 |
| OW |
15 |
1016 |
251 |
462 |
135 |
8 |
0 |
0 |
| VODI |
0 |
580 |
243 |
1419 |
644 |
221 |
51 |
0 |
| ODI |
0 |
3 |
25 |
1108 |
3345 |
2472 |
169 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1395 |
3880 |
93 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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