Validation of sea ice concentration - Asian sector
Bulletin date: 2024-05-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-24:
| 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 |
0 |
2 |
3 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
81 |
12 |
18 |
8 |
5 |
2 |
0 |
| VODI |
0 |
19 |
32 |
103 |
45 |
8 |
7 |
1 |
| ODI |
0 |
9 |
32 |
123 |
147 |
34 |
29 |
10 |
| CDI |
0 |
4 |
7 |
103 |
516 |
1312 |
536 |
41 |
| VCDI |
0 |
5 |
13 |
115 |
517 |
2310 |
16832 |
9039 |
|
...date precedes bulletin
|
Date: 2024-05-26:
| 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 |
0 |
27 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
8 |
8 |
2 |
1 |
1 |
0 |
| VODI |
0 |
28 |
39 |
79 |
29 |
7 |
24 |
0 |
| ODI |
0 |
16 |
28 |
115 |
124 |
49 |
60 |
0 |
| CDI |
0 |
37 |
42 |
187 |
591 |
1533 |
1330 |
0 |
| VCDI |
0 |
12 |
27 |
144 |
507 |
3591 |
18545 |
4779 |
|
...date precedes bulletin
|
Date: 2024-05-28:
| 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 |
0 |
98 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
88 |
10 |
7 |
7 |
3 |
4 |
0 |
| VODI |
0 |
47 |
31 |
91 |
32 |
18 |
10 |
0 |
| ODI |
0 |
38 |
39 |
166 |
297 |
86 |
21 |
0 |
| CDI |
0 |
52 |
40 |
155 |
660 |
1995 |
390 |
0 |
| VCDI |
0 |
14 |
31 |
119 |
387 |
3839 |
19443 |
3863 |
|
...date precedes bulletin
|
Date: 2024-05-30:
| 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 |
0 |
122 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
61 |
7 |
12 |
8 |
8 |
8 |
0 |
| VODI |
0 |
52 |
43 |
71 |
42 |
19 |
21 |
0 |
| ODI |
0 |
55 |
49 |
213 |
263 |
63 |
18 |
0 |
| CDI |
0 |
71 |
72 |
258 |
1043 |
2424 |
256 |
0 |
| VCDI |
0 |
51 |
50 |
147 |
451 |
3254 |
19227 |
3640 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
126 |
4 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
71 |
9 |
16 |
9 |
9 |
13 |
0 |
| VODI |
0 |
47 |
44 |
74 |
41 |
18 |
18 |
0 |
| ODI |
0 |
46 |
43 |
199 |
244 |
72 |
16 |
0 |
| CDI |
0 |
69 |
73 |
255 |
1083 |
2373 |
287 |
0 |
| VCDI |
0 |
53 |
50 |
156 |
430 |
3296 |
19196 |
3640 |
|
Date: 2024-06-01:
| 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 |
0 |
122 |
3 |
2 |
4 |
0 |
0 |
0 |
| OW |
0 |
48 |
5 |
13 |
23 |
6 |
1 |
0 |
| VODI |
0 |
63 |
31 |
88 |
58 |
19 |
14 |
0 |
| ODI |
0 |
76 |
56 |
239 |
261 |
30 |
3 |
0 |
| CDI |
0 |
100 |
111 |
424 |
1313 |
2424 |
408 |
0 |
| VCDI |
0 |
72 |
51 |
175 |
514 |
3609 |
15315 |
6401 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
131 |
4 |
4 |
5 |
1 |
0 |
0 |
| OW |
0 |
49 |
8 |
12 |
24 |
10 |
2 |
0 |
| VODI |
0 |
63 |
33 |
90 |
56 |
14 |
13 |
0 |
| ODI |
0 |
74 |
46 |
233 |
239 |
29 |
4 |
0 |
| CDI |
0 |
92 |
117 |
439 |
1309 |
2383 |
448 |
0 |
| VCDI |
0 |
72 |
49 |
163 |
540 |
3651 |
15274 |
6401 |
|
Date: 2024-06-03:
| 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 |
0 |
119 |
3 |
2 |
4 |
0 |
0 |
0 |
| OW |
0 |
69 |
28 |
30 |
20 |
11 |
2 |
0 |
| VODI |
0 |
180 |
103 |
236 |
133 |
30 |
14 |
0 |
| ODI |
0 |
63 |
59 |
302 |
590 |
158 |
3 |
0 |
| CDI |
0 |
71 |
60 |
233 |
1149 |
2988 |
502 |
0 |
| VCDI |
0 |
68 |
39 |
123 |
245 |
1736 |
17782 |
4927 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
116 |
5 |
0 |
5 |
1 |
0 |
0 |
| OW |
0 |
40 |
21 |
27 |
26 |
19 |
3 |
0 |
| VODI |
0 |
103 |
46 |
70 |
60 |
22 |
14 |
0 |
| ODI |
0 |
109 |
66 |
223 |
205 |
38 |
5 |
0 |
| CDI |
0 |
117 |
110 |
449 |
1357 |
2143 |
626 |
0 |
| VCDI |
0 |
85 |
44 |
157 |
488 |
2700 |
17655 |
4927 |
|
Date: 2024-06-05:
| 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 |
0 |
105 |
0 |
2 |
10 |
0 |
0 |
0 |
| OW |
0 |
92 |
37 |
54 |
49 |
10 |
2 |
0 |
| VODI |
0 |
230 |
105 |
243 |
152 |
35 |
13 |
0 |
| ODI |
0 |
83 |
56 |
240 |
488 |
217 |
46 |
0 |
| CDI |
0 |
87 |
57 |
238 |
1310 |
2556 |
674 |
0 |
| VCDI |
0 |
125 |
56 |
173 |
389 |
1288 |
16142 |
6718 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
1 |
4 |
11 |
3 |
1 |
0 |
| OW |
0 |
45 |
23 |
43 |
39 |
11 |
4 |
0 |
| VODI |
0 |
133 |
52 |
77 |
75 |
18 |
12 |
0 |
| ODI |
0 |
158 |
74 |
197 |
191 |
29 |
38 |
0 |
| CDI |
0 |
141 |
101 |
421 |
1305 |
2030 |
996 |
0 |
| VCDI |
0 |
144 |
60 |
208 |
777 |
2015 |
15826 |
6718 |
|
Date: 2024-06-07:
| 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 |
0 |
115 |
3 |
15 |
17 |
0 |
0 |
0 |
| OW |
0 |
153 |
47 |
56 |
57 |
19 |
1 |
0 |
| VODI |
0 |
286 |
98 |
231 |
174 |
29 |
11 |
0 |
| ODI |
0 |
133 |
62 |
246 |
492 |
207 |
43 |
0 |
| CDI |
0 |
203 |
91 |
300 |
1801 |
2180 |
386 |
0 |
| VCDI |
0 |
157 |
63 |
176 |
410 |
2215 |
16891 |
4714 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
82 |
8 |
15 |
18 |
3 |
0 |
0 |
| OW |
0 |
71 |
16 |
30 |
31 |
9 |
16 |
0 |
| VODI |
0 |
158 |
48 |
109 |
95 |
29 |
32 |
0 |
| ODI |
0 |
269 |
80 |
180 |
219 |
81 |
45 |
0 |
| CDI |
0 |
266 |
136 |
428 |
1607 |
1983 |
1094 |
4 |
| VCDI |
0 |
201 |
76 |
262 |
981 |
2545 |
16145 |
4710 |
|
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