Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-06
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-31:
| 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 |
150 |
102 |
14 |
13 |
1 |
4 |
0 |
0 |
| OW |
0 |
40 |
8 |
34 |
27 |
9 |
0 |
0 |
| VODI |
0 |
6 |
14 |
120 |
147 |
24 |
2 |
0 |
| ODI |
0 |
0 |
0 |
183 |
497 |
28 |
3 |
0 |
| CDI |
0 |
0 |
0 |
149 |
1660 |
2327 |
140 |
0 |
| VCDI |
0 |
0 |
0 |
111 |
801 |
3371 |
13362 |
9749 |
|
...date precedes bulletin
|
Date: 2024-06-02:
| 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 |
150 |
87 |
23 |
8 |
3 |
0 |
0 |
0 |
| OW |
0 |
29 |
8 |
39 |
33 |
3 |
1 |
0 |
| VODI |
0 |
19 |
13 |
165 |
145 |
13 |
2 |
0 |
| ODI |
0 |
0 |
0 |
287 |
379 |
21 |
1 |
0 |
| CDI |
0 |
0 |
0 |
296 |
1865 |
2386 |
304 |
0 |
| VCDI |
0 |
0 |
0 |
135 |
732 |
3209 |
13622 |
9118 |
|
...date precedes bulletin
|
Date: 2024-06-04:
| 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 |
150 |
106 |
7 |
1 |
10 |
0 |
0 |
0 |
| OW |
0 |
41 |
29 |
106 |
58 |
2 |
2 |
0 |
| VODI |
0 |
2 |
9 |
508 |
276 |
10 |
0 |
0 |
| ODI |
0 |
1 |
3 |
200 |
874 |
73 |
1 |
0 |
| CDI |
0 |
1 |
11 |
123 |
1517 |
3125 |
368 |
0 |
| VCDI |
0 |
0 |
0 |
107 |
515 |
1399 |
12167 |
11294 |
|
...date precedes bulletin
|
Date: 2024-06-06:
| 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 |
150 |
95 |
2 |
10 |
16 |
0 |
0 |
0 |
| OW |
0 |
40 |
21 |
169 |
73 |
3 |
2 |
0 |
| VODI |
0 |
2 |
16 |
564 |
237 |
16 |
4 |
0 |
| ODI |
0 |
3 |
8 |
240 |
769 |
162 |
12 |
0 |
| CDI |
0 |
20 |
29 |
236 |
1752 |
2840 |
406 |
0 |
| VCDI |
0 |
2 |
15 |
162 |
605 |
1237 |
11650 |
11528 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
101 |
3 |
16 |
25 |
0 |
1 |
0 |
| OW |
0 |
30 |
22 |
212 |
77 |
3 |
1 |
0 |
| VODI |
0 |
6 |
12 |
521 |
256 |
16 |
6 |
0 |
| ODI |
0 |
1 |
8 |
229 |
701 |
162 |
11 |
0 |
| CDI |
0 |
23 |
33 |
255 |
1802 |
2734 |
335 |
0 |
| VCDI |
0 |
1 |
13 |
148 |
591 |
1343 |
11720 |
11528 |
|
Date: 2024-06-08:
| 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 |
150 |
126 |
8 |
48 |
37 |
3 |
0 |
0 |
| OW |
0 |
76 |
61 |
195 |
53 |
17 |
0 |
0 |
| VODI |
0 |
65 |
96 |
446 |
246 |
32 |
1 |
0 |
| ODI |
0 |
33 |
20 |
255 |
754 |
160 |
13 |
0 |
| CDI |
0 |
84 |
41 |
383 |
2082 |
2495 |
267 |
0 |
| VCDI |
0 |
27 |
30 |
227 |
613 |
1932 |
9949 |
12071 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
135 |
14 |
67 |
59 |
5 |
0 |
0 |
| OW |
0 |
66 |
58 |
212 |
52 |
11 |
0 |
0 |
| VODI |
0 |
69 |
96 |
426 |
240 |
31 |
2 |
0 |
| ODI |
0 |
24 |
15 |
250 |
724 |
161 |
14 |
0 |
| CDI |
0 |
88 |
41 |
349 |
2072 |
2272 |
224 |
0 |
| VCDI |
0 |
29 |
32 |
250 |
638 |
2159 |
9990 |
12071 |
|
Date: 2024-06-10:
| 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 |
150 |
166 |
23 |
91 |
38 |
6 |
0 |
0 |
| OW |
0 |
284 |
156 |
210 |
34 |
12 |
0 |
0 |
| VODI |
0 |
118 |
77 |
717 |
275 |
30 |
4 |
0 |
| ODI |
0 |
17 |
29 |
253 |
1515 |
160 |
13 |
0 |
| CDI |
0 |
0 |
1 |
186 |
1477 |
3148 |
227 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
151 |
1876 |
11899 |
9747 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
150 |
19 |
91 |
56 |
19 |
0 |
0 |
| OW |
0 |
109 |
58 |
195 |
57 |
20 |
1 |
0 |
| VODI |
0 |
130 |
94 |
393 |
249 |
48 |
11 |
0 |
| ODI |
0 |
38 |
26 |
211 |
682 |
220 |
22 |
0 |
| CDI |
0 |
154 |
73 |
423 |
1944 |
2416 |
285 |
0 |
| VCDI |
0 |
4 |
16 |
150 |
502 |
2509 |
11824 |
9747 |
|
Date: 2024-06-12:
| 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 |
150 |
179 |
14 |
73 |
20 |
20 |
0 |
0 |
| OW |
0 |
304 |
163 |
248 |
46 |
27 |
0 |
0 |
| VODI |
0 |
161 |
105 |
700 |
273 |
63 |
4 |
0 |
| ODI |
0 |
14 |
21 |
303 |
1253 |
464 |
11 |
0 |
| CDI |
0 |
12 |
8 |
222 |
1593 |
3362 |
454 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
245 |
2989 |
9617 |
9969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
157 |
10 |
78 |
27 |
53 |
0 |
0 |
| OW |
0 |
140 |
68 |
180 |
43 |
44 |
0 |
0 |
| VODI |
0 |
136 |
95 |
414 |
272 |
84 |
11 |
0 |
| ODI |
0 |
53 |
37 |
296 |
602 |
297 |
30 |
0 |
| CDI |
0 |
184 |
95 |
515 |
2032 |
3064 |
333 |
1 |
| VCDI |
0 |
0 |
6 |
72 |
454 |
3383 |
9712 |
9968 |
|
Date: 2024-06-14:
| 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 |
150 |
166 |
21 |
49 |
31 |
14 |
0 |
0 |
| OW |
0 |
246 |
128 |
268 |
44 |
35 |
0 |
0 |
| VODI |
0 |
194 |
106 |
724 |
282 |
104 |
2 |
0 |
| ODI |
0 |
25 |
35 |
403 |
1190 |
568 |
17 |
0 |
| CDI |
0 |
0 |
3 |
258 |
1930 |
3968 |
762 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
281 |
4160 |
9013 |
7917 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
151 |
25 |
68 |
48 |
34 |
0 |
0 |
| OW |
0 |
116 |
65 |
247 |
78 |
45 |
0 |
0 |
| VODI |
0 |
112 |
82 |
538 |
351 |
119 |
8 |
0 |
| ODI |
0 |
54 |
31 |
306 |
717 |
454 |
20 |
0 |
| CDI |
0 |
182 |
66 |
397 |
1919 |
3704 |
626 |
0 |
| VCDI |
0 |
16 |
24 |
148 |
645 |
4493 |
9140 |
7917 |
|
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