Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-16:
| 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 |
332 |
1840 |
150 |
218 |
8 |
0 |
0 |
0 |
| OW |
0 |
118 |
136 |
343 |
104 |
0 |
0 |
0 |
| VODI |
0 |
18 |
65 |
424 |
382 |
8 |
1 |
0 |
| ODI |
0 |
0 |
7 |
286 |
880 |
204 |
29 |
1 |
| CDI |
0 |
0 |
0 |
163 |
1486 |
3902 |
1367 |
43 |
| VCDI |
0 |
0 |
0 |
0 |
230 |
2725 |
14089 |
2523 |
|
...date precedes bulletin
|
Date: 2023-06-18:
| 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 |
284 |
1773 |
140 |
287 |
55 |
0 |
0 |
0 |
| OW |
0 |
174 |
91 |
384 |
152 |
1 |
0 |
0 |
| VODI |
0 |
85 |
78 |
418 |
436 |
47 |
0 |
0 |
| ODI |
0 |
13 |
48 |
328 |
1051 |
187 |
13 |
0 |
| CDI |
0 |
0 |
7 |
255 |
2253 |
3287 |
1428 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
279 |
3060 |
12804 |
2637 |
|
...date precedes bulletin
|
Date: 2023-06-20:
| 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 |
247 |
2012 |
266 |
436 |
48 |
0 |
0 |
0 |
| OW |
0 |
52 |
97 |
574 |
140 |
6 |
0 |
0 |
| VODI |
0 |
3 |
35 |
622 |
780 |
48 |
0 |
0 |
| ODI |
0 |
0 |
1 |
274 |
1910 |
299 |
5 |
0 |
| CDI |
0 |
0 |
0 |
78 |
2241 |
3101 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
99 |
1755 |
13578 |
3251 |
|
...date precedes bulletin
|
Date: 2023-06-22:
| 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 |
231 |
2071 |
255 |
546 |
77 |
0 |
0 |
0 |
| OW |
0 |
138 |
115 |
525 |
292 |
20 |
0 |
0 |
| VODI |
0 |
32 |
76 |
585 |
902 |
72 |
0 |
0 |
| ODI |
0 |
0 |
6 |
317 |
1891 |
484 |
20 |
0 |
| CDI |
0 |
0 |
0 |
124 |
2338 |
2767 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
138 |
3002 |
8200 |
6639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
231 |
2093 |
270 |
606 |
105 |
4 |
0 |
0 |
| OW |
0 |
112 |
98 |
468 |
281 |
18 |
0 |
0 |
| VODI |
0 |
35 |
77 |
600 |
849 |
76 |
2 |
0 |
| ODI |
0 |
1 |
7 |
305 |
1828 |
464 |
20 |
0 |
| CDI |
0 |
0 |
0 |
118 |
2479 |
2898 |
186 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
2885 |
8231 |
6639 |
|
Date: 2023-06-24:
| 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 |
234 |
2231 |
275 |
540 |
99 |
15 |
0 |
0 |
| OW |
0 |
152 |
105 |
553 |
305 |
72 |
0 |
0 |
| VODI |
0 |
83 |
77 |
552 |
1021 |
198 |
6 |
0 |
| ODI |
0 |
3 |
19 |
330 |
1670 |
662 |
31 |
0 |
| CDI |
0 |
0 |
0 |
247 |
2105 |
2994 |
275 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
3393 |
8537 |
5216 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
234 |
2228 |
294 |
651 |
114 |
33 |
0 |
0 |
| OW |
0 |
142 |
87 |
434 |
315 |
64 |
0 |
0 |
| VODI |
0 |
94 |
75 |
564 |
1006 |
219 |
12 |
0 |
| ODI |
0 |
5 |
20 |
321 |
1611 |
630 |
27 |
0 |
| CDI |
0 |
0 |
0 |
252 |
2173 |
3004 |
216 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
3384 |
8594 |
5216 |
|
Date: 2023-06-26:
| 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 |
254 |
2570 |
418 |
464 |
39 |
5 |
0 |
0 |
| OW |
0 |
40 |
131 |
648 |
124 |
24 |
0 |
0 |
| VODI |
0 |
0 |
7 |
840 |
725 |
54 |
0 |
0 |
| ODI |
0 |
0 |
0 |
169 |
3112 |
411 |
3 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1020 |
5702 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
2356 |
11003 |
1753 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
254 |
2399 |
366 |
664 |
114 |
37 |
0 |
0 |
| OW |
0 |
141 |
89 |
573 |
337 |
91 |
0 |
0 |
| VODI |
0 |
66 |
79 |
546 |
1131 |
264 |
3 |
0 |
| ODI |
0 |
4 |
20 |
223 |
1621 |
537 |
11 |
0 |
| CDI |
0 |
0 |
2 |
136 |
1789 |
3958 |
427 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
3665 |
10746 |
1753 |
|
Date: 2023-06-28:
| 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 |
238 |
2915 |
408 |
587 |
45 |
1 |
0 |
0 |
| OW |
2 |
17 |
86 |
738 |
196 |
31 |
0 |
0 |
| VODI |
0 |
0 |
6 |
622 |
1159 |
116 |
0 |
0 |
| ODI |
0 |
0 |
0 |
165 |
2343 |
790 |
6 |
0 |
| CDI |
0 |
0 |
0 |
37 |
1000 |
5804 |
742 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
3334 |
9022 |
1652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
240 |
2654 |
293 |
738 |
173 |
21 |
0 |
0 |
| OW |
0 |
214 |
125 |
563 |
359 |
146 |
0 |
0 |
| VODI |
0 |
57 |
62 |
455 |
1136 |
448 |
1 |
0 |
| ODI |
0 |
7 |
16 |
217 |
1353 |
598 |
14 |
0 |
| CDI |
0 |
0 |
4 |
176 |
1694 |
4847 |
849 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
4016 |
8906 |
1652 |
|
Date: 2023-06-30:
| 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 |
292 |
2923 |
441 |
623 |
33 |
0 |
0 |
0 |
| OW |
2 |
28 |
106 |
786 |
288 |
31 |
0 |
0 |
| VODI |
0 |
0 |
9 |
541 |
1411 |
407 |
10 |
0 |
| ODI |
0 |
0 |
0 |
93 |
1980 |
894 |
5 |
0 |
| CDI |
0 |
0 |
0 |
22 |
917 |
7061 |
1199 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1545 |
8207 |
2204 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
294 |
2790 |
377 |
765 |
182 |
58 |
0 |
0 |
| OW |
0 |
122 |
125 |
559 |
408 |
264 |
2 |
0 |
| VODI |
0 |
28 |
31 |
474 |
1073 |
604 |
9 |
0 |
| ODI |
0 |
11 |
14 |
182 |
1176 |
579 |
12 |
0 |
| CDI |
0 |
0 |
9 |
85 |
1664 |
5333 |
790 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
150 |
3100 |
8608 |
2204 |
|
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