Validation of sea ice concentration - Asian sector
Bulletin date: 2022-08-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-12:
| 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 |
2313 |
9833 |
1431 |
284 |
3 |
0 |
0 |
0 |
| OW |
0 |
246 |
232 |
328 |
84 |
0 |
0 |
0 |
| VODI |
0 |
42 |
172 |
812 |
610 |
53 |
0 |
0 |
| ODI |
0 |
0 |
25 |
821 |
3900 |
1678 |
23 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1909 |
6357 |
607 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
41 |
228 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-14:
| 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 |
5539 |
8001 |
432 |
158 |
0 |
0 |
0 |
0 |
| OW |
0 |
316 |
245 |
301 |
78 |
3 |
0 |
0 |
| VODI |
0 |
108 |
199 |
826 |
872 |
87 |
0 |
0 |
| ODI |
0 |
7 |
46 |
703 |
3980 |
1702 |
6 |
0 |
| CDI |
0 |
0 |
0 |
65 |
2765 |
5082 |
373 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
97 |
91 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-16:
| 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 |
6619 |
7628 |
310 |
147 |
8 |
0 |
0 |
0 |
| OW |
0 |
259 |
255 |
268 |
38 |
0 |
0 |
0 |
| VODI |
0 |
74 |
156 |
1034 |
437 |
20 |
0 |
0 |
| ODI |
0 |
2 |
34 |
680 |
4316 |
2174 |
31 |
0 |
| CDI |
0 |
0 |
0 |
19 |
1544 |
4925 |
565 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
192 |
347 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-18:
| 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 |
929 |
12305 |
1281 |
242 |
5 |
0 |
0 |
0 |
| OW |
0 |
333 |
213 |
258 |
35 |
1 |
0 |
0 |
| VODI |
0 |
145 |
214 |
1186 |
605 |
65 |
0 |
0 |
| ODI |
0 |
9 |
47 |
779 |
3779 |
2451 |
42 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1464 |
4724 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
53 |
332 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
929 |
12325 |
1298 |
264 |
8 |
0 |
0 |
0 |
| OW |
0 |
300 |
189 |
249 |
48 |
4 |
0 |
0 |
| VODI |
0 |
151 |
207 |
1108 |
623 |
105 |
0 |
0 |
| ODI |
0 |
16 |
61 |
847 |
3614 |
2303 |
16 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1595 |
4830 |
570 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
52 |
335 |
0 |
|
Date: 2022-08-20:
| 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 |
4780 |
9406 |
465 |
168 |
4 |
0 |
0 |
0 |
| OW |
0 |
465 |
222 |
291 |
49 |
1 |
0 |
0 |
| VODI |
0 |
300 |
224 |
1202 |
824 |
149 |
0 |
0 |
| ODI |
0 |
23 |
98 |
746 |
3310 |
2765 |
16 |
0 |
| CDI |
0 |
0 |
0 |
57 |
1689 |
4144 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
150 |
297 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4780 |
9440 |
491 |
180 |
5 |
0 |
0 |
0 |
| OW |
0 |
412 |
197 |
301 |
74 |
1 |
0 |
0 |
| VODI |
0 |
291 |
216 |
1118 |
773 |
179 |
0 |
0 |
| ODI |
0 |
51 |
104 |
796 |
3183 |
2676 |
13 |
0 |
| CDI |
0 |
0 |
1 |
69 |
1841 |
4212 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
141 |
300 |
0 |
|
Date: 2022-08-22:
| 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 |
2995 |
10783 |
1714 |
185 |
14 |
0 |
0 |
0 |
| OW |
0 |
188 |
394 |
299 |
48 |
0 |
0 |
0 |
| VODI |
0 |
41 |
236 |
1591 |
534 |
5 |
0 |
0 |
| ODI |
0 |
0 |
11 |
680 |
4058 |
1002 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
1484 |
5160 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
183 |
279 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2995 |
10436 |
1438 |
189 |
20 |
0 |
0 |
0 |
| OW |
0 |
348 |
358 |
365 |
114 |
9 |
0 |
0 |
| VODI |
0 |
217 |
439 |
1172 |
900 |
238 |
0 |
0 |
| ODI |
0 |
11 |
119 |
930 |
3147 |
2298 |
16 |
0 |
| CDI |
0 |
0 |
1 |
116 |
1957 |
3752 |
274 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
53 |
170 |
0 |
|
Date: 2022-08-24:
| 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 |
5151 |
9791 |
801 |
195 |
16 |
0 |
0 |
0 |
| OW |
0 |
272 |
333 |
304 |
40 |
0 |
0 |
0 |
| VODI |
0 |
35 |
334 |
1748 |
628 |
24 |
0 |
0 |
| ODI |
0 |
0 |
25 |
871 |
3808 |
598 |
0 |
0 |
| CDI |
0 |
0 |
1 |
64 |
2769 |
3909 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
165 |
164 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5151 |
9273 |
614 |
201 |
34 |
7 |
0 |
0 |
| OW |
0 |
486 |
315 |
342 |
116 |
14 |
0 |
0 |
| VODI |
0 |
319 |
410 |
1255 |
1078 |
274 |
0 |
0 |
| ODI |
0 |
20 |
149 |
1139 |
3727 |
1157 |
11 |
0 |
| CDI |
0 |
0 |
6 |
245 |
2306 |
3183 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
61 |
89 |
0 |
|
Date: 2022-08-26:
| 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 |
7130 |
8456 |
236 |
136 |
8 |
0 |
0 |
0 |
| OW |
0 |
453 |
322 |
297 |
15 |
0 |
0 |
0 |
| VODI |
0 |
124 |
364 |
1777 |
620 |
20 |
0 |
0 |
| ODI |
0 |
3 |
36 |
1010 |
3707 |
518 |
0 |
0 |
| CDI |
0 |
0 |
2 |
108 |
3657 |
2507 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
355 |
1 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7130 |
7774 |
200 |
157 |
40 |
15 |
0 |
0 |
| OW |
0 |
710 |
236 |
337 |
106 |
33 |
0 |
0 |
| VODI |
0 |
482 |
347 |
1415 |
1230 |
165 |
0 |
0 |
| ODI |
0 |
69 |
160 |
1175 |
3544 |
918 |
81 |
0 |
| CDI |
0 |
1 |
17 |
244 |
3113 |
1951 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
318 |
1 |
0 |
|
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