Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-09:
| 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 |
1691 |
152 |
151 |
3 |
0 |
0 |
0 |
| OW |
0 |
57 |
63 |
310 |
50 |
2 |
0 |
0 |
| VODI |
0 |
57 |
40 |
343 |
273 |
26 |
0 |
0 |
| ODI |
0 |
16 |
19 |
235 |
565 |
175 |
26 |
0 |
| CDI |
0 |
1 |
8 |
287 |
1040 |
1803 |
427 |
1 |
| VCDI |
0 |
0 |
0 |
49 |
518 |
2983 |
17285 |
3179 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
46 |
1794 |
159 |
175 |
11 |
0 |
0 |
0 |
| OW |
0 |
76 |
62 |
307 |
129 |
2 |
0 |
0 |
| VODI |
0 |
52 |
57 |
314 |
322 |
72 |
2 |
0 |
| ODI |
0 |
9 |
26 |
212 |
519 |
273 |
10 |
0 |
| CDI |
0 |
10 |
20 |
262 |
1297 |
2163 |
703 |
28 |
| VCDI |
0 |
0 |
0 |
44 |
1187 |
4102 |
15979 |
1658 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
302 |
1843 |
126 |
119 |
14 |
0 |
0 |
0 |
| OW |
0 |
65 |
123 |
328 |
103 |
3 |
0 |
0 |
| VODI |
0 |
9 |
20 |
435 |
345 |
22 |
0 |
0 |
| ODI |
0 |
0 |
5 |
195 |
711 |
263 |
34 |
0 |
| CDI |
0 |
0 |
0 |
124 |
832 |
3690 |
1024 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
3231 |
16770 |
1277 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
347 |
1910 |
118 |
173 |
11 |
0 |
0 |
0 |
| OW |
0 |
111 |
120 |
365 |
72 |
1 |
0 |
0 |
| VODI |
0 |
9 |
55 |
425 |
362 |
11 |
2 |
0 |
| ODI |
0 |
0 |
4 |
233 |
799 |
192 |
32 |
0 |
| CDI |
0 |
0 |
2 |
173 |
1322 |
3768 |
1020 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
120 |
3702 |
12546 |
4070 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
347 |
1950 |
132 |
239 |
17 |
0 |
0 |
0 |
| OW |
0 |
65 |
104 |
292 |
68 |
0 |
0 |
0 |
| VODI |
0 |
15 |
55 |
406 |
329 |
15 |
2 |
0 |
| ODI |
0 |
0 |
5 |
239 |
672 |
198 |
36 |
0 |
| CDI |
0 |
0 |
3 |
193 |
1429 |
3658 |
984 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
171 |
3803 |
12578 |
4070 |
|
Date: 2023-06-17:
| 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 |
303 |
1814 |
142 |
253 |
23 |
0 |
0 |
0 |
| OW |
0 |
147 |
106 |
352 |
132 |
6 |
0 |
0 |
| VODI |
0 |
49 |
76 |
404 |
398 |
34 |
0 |
0 |
| ODI |
0 |
2 |
31 |
326 |
900 |
277 |
15 |
0 |
| CDI |
0 |
0 |
1 |
221 |
1678 |
3448 |
1722 |
0 |
| VCDI |
0 |
0 |
0 |
69 |
247 |
2975 |
13681 |
2250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
303 |
1873 |
160 |
305 |
35 |
0 |
0 |
0 |
| OW |
0 |
87 |
84 |
307 |
112 |
9 |
0 |
0 |
| VODI |
0 |
51 |
72 |
374 |
393 |
36 |
0 |
0 |
| ODI |
0 |
1 |
37 |
333 |
793 |
289 |
12 |
0 |
| CDI |
0 |
0 |
3 |
246 |
1740 |
3291 |
1729 |
37 |
| VCDI |
0 |
0 |
0 |
60 |
305 |
3115 |
13677 |
2213 |
|
Date: 2023-06-19:
| 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 |
95 |
2163 |
243 |
342 |
29 |
0 |
0 |
0 |
| OW |
0 |
47 |
118 |
491 |
75 |
3 |
0 |
0 |
| VODI |
0 |
4 |
22 |
742 |
612 |
29 |
0 |
0 |
| ODI |
0 |
0 |
1 |
214 |
2022 |
259 |
4 |
0 |
| CDI |
0 |
0 |
0 |
32 |
1965 |
3604 |
215 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
1481 |
15728 |
1479 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95 |
1972 |
172 |
432 |
69 |
0 |
0 |
0 |
| OW |
0 |
131 |
68 |
344 |
116 |
16 |
0 |
0 |
| VODI |
0 |
97 |
92 |
355 |
467 |
72 |
1 |
0 |
| ODI |
0 |
14 |
48 |
470 |
1007 |
250 |
29 |
0 |
| CDI |
0 |
0 |
4 |
220 |
2843 |
2796 |
1982 |
175 |
| VCDI |
0 |
0 |
0 |
0 |
264 |
2242 |
13935 |
1304 |
|
Date: 2023-06-21:
| 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 |
242 |
2019 |
253 |
512 |
61 |
0 |
0 |
0 |
| OW |
0 |
78 |
116 |
556 |
238 |
17 |
0 |
0 |
| VODI |
0 |
19 |
53 |
575 |
893 |
56 |
0 |
0 |
| ODI |
0 |
1 |
1 |
299 |
1796 |
466 |
10 |
0 |
| CDI |
0 |
0 |
0 |
91 |
2128 |
3083 |
151 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
139 |
2249 |
12688 |
3292 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
242 |
1768 |
164 |
561 |
96 |
0 |
0 |
0 |
| OW |
0 |
169 |
60 |
353 |
187 |
33 |
0 |
0 |
| VODI |
0 |
135 |
116 |
348 |
595 |
82 |
17 |
0 |
| ODI |
0 |
45 |
83 |
503 |
1119 |
415 |
43 |
0 |
| CDI |
0 |
0 |
0 |
254 |
2801 |
3779 |
3558 |
19 |
| VCDI |
0 |
0 |
0 |
14 |
457 |
1562 |
9231 |
3273 |
|
Date: 2023-06-23:
| 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 |
244 |
2127 |
266 |
575 |
92 |
9 |
0 |
0 |
| OW |
0 |
144 |
96 |
572 |
276 |
31 |
0 |
0 |
| VODI |
0 |
58 |
65 |
612 |
994 |
114 |
2 |
0 |
| ODI |
0 |
2 |
16 |
325 |
1774 |
533 |
41 |
0 |
| CDI |
0 |
0 |
0 |
182 |
2464 |
2557 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
181 |
3541 |
7250 |
6731 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
244 |
1848 |
201 |
626 |
161 |
9 |
0 |
0 |
| OW |
0 |
139 |
59 |
315 |
243 |
51 |
6 |
0 |
| VODI |
0 |
224 |
92 |
407 |
646 |
157 |
37 |
0 |
| ODI |
0 |
113 |
76 |
476 |
1117 |
452 |
59 |
0 |
| CDI |
0 |
7 |
15 |
427 |
3107 |
4895 |
2782 |
2038 |
| VCDI |
0 |
0 |
0 |
15 |
507 |
1221 |
4617 |
4693 |
|
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