Validation of sea ice concentration - Asian sector
Bulletin date: 2022-07-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-15:
| 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 |
943 |
5264 |
1373 |
715 |
63 |
3 |
0 |
0 |
| OW |
2 |
205 |
322 |
707 |
177 |
14 |
0 |
0 |
| VODI |
0 |
48 |
193 |
891 |
484 |
53 |
0 |
0 |
| ODI |
0 |
0 |
38 |
329 |
1092 |
920 |
3 |
0 |
| CDI |
0 |
1 |
12 |
264 |
3419 |
9646 |
2055 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
174 |
2069 |
603 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-17:
| 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 |
877 |
5969 |
1083 |
588 |
44 |
0 |
0 |
0 |
| OW |
0 |
303 |
387 |
620 |
138 |
9 |
0 |
0 |
| VODI |
0 |
107 |
254 |
736 |
451 |
61 |
0 |
0 |
| ODI |
0 |
4 |
49 |
356 |
1339 |
863 |
3 |
0 |
| CDI |
0 |
0 |
15 |
237 |
3388 |
11028 |
1302 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
526 |
1188 |
156 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-19:
| 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 |
985 |
6868 |
827 |
454 |
29 |
0 |
0 |
0 |
| OW |
1 |
281 |
342 |
495 |
61 |
0 |
0 |
0 |
| VODI |
0 |
49 |
195 |
792 |
338 |
26 |
0 |
0 |
| ODI |
0 |
4 |
42 |
442 |
2427 |
683 |
0 |
0 |
| CDI |
0 |
1 |
13 |
130 |
3785 |
9946 |
1681 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
288 |
867 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-21:
| 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 |
2482 |
5902 |
583 |
338 |
31 |
2 |
0 |
0 |
| OW |
0 |
376 |
331 |
378 |
85 |
7 |
0 |
0 |
| VODI |
0 |
135 |
222 |
665 |
403 |
21 |
0 |
0 |
| ODI |
0 |
25 |
79 |
448 |
2054 |
1259 |
41 |
0 |
| CDI |
0 |
3 |
20 |
114 |
2822 |
9801 |
2772 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
57 |
142 |
481 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2482 |
5966 |
651 |
412 |
64 |
2 |
0 |
0 |
| OW |
0 |
303 |
274 |
322 |
71 |
7 |
0 |
0 |
| VODI |
0 |
139 |
215 |
631 |
327 |
25 |
0 |
0 |
| ODI |
0 |
29 |
70 |
449 |
1986 |
1411 |
25 |
0 |
| CDI |
0 |
4 |
25 |
132 |
2968 |
9563 |
2771 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
224 |
498 |
0 |
|
Date: 2022-07-23:
| 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 |
290 |
8022 |
965 |
259 |
52 |
0 |
0 |
0 |
| OW |
0 |
661 |
294 |
248 |
39 |
4 |
0 |
0 |
| VODI |
0 |
279 |
242 |
531 |
306 |
37 |
0 |
0 |
| ODI |
0 |
57 |
78 |
466 |
1871 |
1668 |
111 |
0 |
| CDI |
0 |
9 |
26 |
157 |
2359 |
8107 |
4703 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
6 |
217 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
290 |
8155 |
1023 |
285 |
74 |
1 |
0 |
0 |
| OW |
0 |
509 |
244 |
203 |
27 |
6 |
0 |
0 |
| VODI |
0 |
282 |
236 |
536 |
263 |
44 |
0 |
0 |
| ODI |
0 |
67 |
73 |
454 |
1772 |
1589 |
74 |
0 |
| CDI |
0 |
15 |
29 |
183 |
2496 |
8181 |
4690 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1 |
267 |
0 |
|
Date: 2022-07-25:
| 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 |
549 |
8045 |
1582 |
704 |
35 |
0 |
0 |
0 |
| OW |
1 |
358 |
197 |
165 |
14 |
0 |
0 |
0 |
| VODI |
0 |
195 |
221 |
563 |
199 |
10 |
0 |
0 |
| ODI |
0 |
19 |
48 |
354 |
1691 |
677 |
1 |
0 |
| CDI |
0 |
0 |
6 |
85 |
2096 |
8959 |
1648 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
427 |
3230 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
549 |
7537 |
1445 |
633 |
38 |
0 |
0 |
0 |
| OW |
1 |
509 |
214 |
191 |
21 |
0 |
0 |
0 |
| VODI |
0 |
412 |
228 |
395 |
226 |
44 |
0 |
0 |
| ODI |
0 |
139 |
117 |
442 |
1647 |
1793 |
177 |
0 |
| CDI |
0 |
20 |
50 |
210 |
2042 |
8220 |
4686 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
16 |
16 |
0 |
|
Date: 2022-07-27:
| 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 |
697 |
9087 |
1144 |
455 |
26 |
0 |
0 |
0 |
| OW |
0 |
314 |
173 |
158 |
24 |
3 |
0 |
0 |
| VODI |
0 |
198 |
209 |
467 |
289 |
25 |
0 |
0 |
| ODI |
0 |
26 |
79 |
281 |
1513 |
786 |
8 |
0 |
| CDI |
0 |
0 |
21 |
156 |
1711 |
9057 |
2043 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
663 |
2461 |
2 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
697 |
8532 |
987 |
406 |
26 |
1 |
0 |
0 |
| OW |
0 |
487 |
172 |
124 |
16 |
9 |
0 |
0 |
| VODI |
0 |
458 |
227 |
332 |
194 |
86 |
0 |
0 |
| ODI |
0 |
120 |
169 |
402 |
1531 |
2356 |
95 |
0 |
| CDI |
0 |
28 |
71 |
253 |
1704 |
8070 |
4374 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
98 |
12 |
43 |
0 |
|
Date: 2022-07-29:
| 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 |
1269 |
9050 |
1253 |
115 |
26 |
2 |
0 |
0 |
| OW |
1 |
441 |
246 |
117 |
46 |
5 |
0 |
0 |
| VODI |
0 |
172 |
216 |
466 |
276 |
37 |
0 |
0 |
| ODI |
0 |
23 |
99 |
447 |
1578 |
814 |
11 |
0 |
| CDI |
0 |
0 |
7 |
148 |
2460 |
9343 |
820 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
2118 |
425 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1269 |
8524 |
1023 |
89 |
27 |
3 |
0 |
0 |
| OW |
1 |
543 |
180 |
82 |
11 |
7 |
0 |
0 |
| VODI |
0 |
506 |
324 |
264 |
215 |
107 |
0 |
0 |
| ODI |
0 |
108 |
227 |
575 |
1958 |
2459 |
79 |
0 |
| CDI |
0 |
5 |
67 |
283 |
2162 |
9633 |
1137 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
110 |
40 |
0 |
|
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