Validation of sea ice concentration - Asian sector
Bulletin date: 2024-09-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-20:
| 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 |
13547 |
4824 |
18 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
642 |
227 |
254 |
31 |
1 |
0 |
0 |
| VODI |
0 |
124 |
108 |
594 |
325 |
102 |
0 |
0 |
| ODI |
0 |
4 |
8 |
133 |
625 |
712 |
41 |
0 |
| CDI |
0 |
0 |
0 |
0 |
105 |
2742 |
1061 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1645 |
4205 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-22:
| 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 |
14060 |
4247 |
16 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
674 |
172 |
233 |
45 |
0 |
0 |
0 |
| VODI |
0 |
121 |
101 |
491 |
328 |
108 |
0 |
0 |
| ODI |
0 |
4 |
8 |
103 |
511 |
491 |
28 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
2444 |
677 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1913 |
5270 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-24:
| 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 |
13447 |
4763 |
57 |
23 |
0 |
0 |
0 |
0 |
| OW |
1 |
500 |
164 |
159 |
23 |
0 |
0 |
0 |
| VODI |
0 |
71 |
82 |
397 |
280 |
32 |
0 |
0 |
| ODI |
0 |
4 |
7 |
66 |
448 |
290 |
0 |
0 |
| CDI |
0 |
1 |
1 |
10 |
52 |
1097 |
1244 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
441 |
8128 |
290 |
|
...date precedes bulletin
|
Date: 2024-09-26:
| 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 |
13945 |
4271 |
28 |
15 |
2 |
0 |
0 |
0 |
| OW |
1 |
415 |
158 |
185 |
25 |
5 |
0 |
0 |
| VODI |
0 |
81 |
48 |
382 |
206 |
65 |
0 |
0 |
| ODI |
0 |
15 |
6 |
79 |
364 |
274 |
5 |
0 |
| CDI |
0 |
3 |
6 |
18 |
63 |
1286 |
671 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
12 |
879 |
7935 |
630 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13945 |
4277 |
41 |
30 |
0 |
0 |
0 |
0 |
| OW |
1 |
407 |
152 |
184 |
46 |
3 |
0 |
0 |
| VODI |
0 |
83 |
41 |
368 |
191 |
74 |
0 |
0 |
| ODI |
0 |
15 |
6 |
76 |
341 |
248 |
4 |
0 |
| CDI |
0 |
3 |
5 |
21 |
82 |
1333 |
758 |
0 |
| VCDI |
0 |
0 |
1 |
4 |
12 |
851 |
7849 |
630 |
|
Date: 2024-09-28:
| 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 |
13593 |
4401 |
50 |
23 |
0 |
0 |
0 |
0 |
| OW |
1 |
349 |
135 |
319 |
23 |
0 |
0 |
0 |
| VODI |
0 |
75 |
59 |
208 |
361 |
77 |
0 |
0 |
| ODI |
0 |
13 |
10 |
52 |
271 |
297 |
4 |
0 |
| CDI |
0 |
5 |
6 |
25 |
93 |
1125 |
548 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
16 |
1258 |
7454 |
1226 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13593 |
4446 |
62 |
73 |
0 |
0 |
0 |
0 |
| OW |
1 |
315 |
129 |
269 |
39 |
3 |
0 |
0 |
| VODI |
0 |
64 |
52 |
212 |
342 |
62 |
0 |
0 |
| ODI |
0 |
13 |
11 |
47 |
273 |
302 |
5 |
0 |
| CDI |
0 |
4 |
5 |
25 |
95 |
1189 |
662 |
0 |
| VCDI |
0 |
1 |
1 |
6 |
15 |
1201 |
7339 |
1226 |
|
Date: 2024-09-30:
| 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 |
13514 |
4346 |
36 |
10 |
0 |
0 |
0 |
0 |
| OW |
1 |
376 |
117 |
121 |
3 |
0 |
0 |
0 |
| VODI |
0 |
38 |
76 |
427 |
115 |
14 |
0 |
0 |
| ODI |
0 |
3 |
5 |
95 |
402 |
171 |
6 |
0 |
| CDI |
0 |
0 |
1 |
8 |
87 |
799 |
179 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
332 |
10202 |
598 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13514 |
4342 |
60 |
49 |
4 |
0 |
0 |
0 |
| OW |
1 |
353 |
108 |
220 |
41 |
4 |
0 |
0 |
| VODI |
0 |
55 |
54 |
326 |
226 |
118 |
5 |
0 |
| ODI |
0 |
9 |
9 |
47 |
241 |
272 |
35 |
0 |
| CDI |
0 |
4 |
4 |
18 |
86 |
576 |
1028 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
346 |
9319 |
598 |
|
Date: 2024-10-02:
| 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 |
13407 |
4367 |
51 |
24 |
1 |
0 |
0 |
0 |
| OW |
1 |
347 |
134 |
161 |
23 |
0 |
0 |
0 |
| VODI |
0 |
29 |
59 |
397 |
125 |
17 |
0 |
0 |
| ODI |
0 |
2 |
5 |
71 |
307 |
186 |
2 |
0 |
| CDI |
0 |
0 |
0 |
7 |
111 |
841 |
184 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1152 |
8654 |
1417 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13407 |
4230 |
87 |
93 |
16 |
2 |
0 |
0 |
| OW |
1 |
379 |
85 |
205 |
70 |
25 |
0 |
0 |
| VODI |
0 |
125 |
55 |
276 |
158 |
192 |
15 |
0 |
| ODI |
0 |
11 |
21 |
72 |
223 |
253 |
53 |
0 |
| CDI |
0 |
0 |
1 |
14 |
98 |
936 |
674 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
788 |
8098 |
1417 |
|
Date: 2024-10-04:
| 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 |
12943 |
4417 |
118 |
48 |
1 |
0 |
0 |
0 |
| OW |
1 |
234 |
115 |
286 |
76 |
4 |
0 |
0 |
| VODI |
0 |
24 |
47 |
239 |
307 |
99 |
2 |
0 |
| ODI |
0 |
0 |
1 |
32 |
158 |
315 |
109 |
0 |
| CDI |
0 |
0 |
0 |
4 |
65 |
708 |
702 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
908 |
8881 |
1238 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12943 |
4410 |
134 |
114 |
36 |
4 |
0 |
0 |
| OW |
1 |
236 |
110 |
286 |
113 |
50 |
0 |
0 |
| VODI |
0 |
29 |
37 |
187 |
308 |
236 |
63 |
0 |
| ODI |
0 |
0 |
0 |
21 |
127 |
354 |
139 |
0 |
| CDI |
0 |
0 |
0 |
1 |
23 |
658 |
834 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
732 |
8658 |
1238 |
|
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