Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
5168 |
6011 |
446 |
1070 |
924 |
0 |
0 |
0 |
| OW |
0 |
854 |
139 |
678 |
599 |
73 |
0 |
0 |
| VODI |
0 |
191 |
64 |
298 |
370 |
194 |
0 |
0 |
| ODI |
0 |
62 |
26 |
119 |
200 |
246 |
3 |
0 |
| CDI |
0 |
26 |
31 |
96 |
116 |
451 |
133 |
0 |
| VCDI |
0 |
3 |
12 |
80 |
192 |
793 |
5635 |
7793 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
5064 |
4154 |
360 |
841 |
516 |
121 |
0 |
0 |
| OW |
0 |
821 |
170 |
590 |
1188 |
476 |
0 |
0 |
| VODI |
0 |
266 |
64 |
528 |
781 |
453 |
0 |
0 |
| ODI |
0 |
76 |
9 |
181 |
315 |
329 |
9 |
0 |
| CDI |
0 |
45 |
57 |
122 |
222 |
542 |
158 |
0 |
| VCDI |
0 |
2 |
9 |
125 |
173 |
1112 |
5587 |
7630 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
3977 |
3336 |
371 |
709 |
115 |
9 |
0 |
0 |
| OW |
2 |
695 |
204 |
665 |
566 |
101 |
0 |
0 |
| VODI |
0 |
146 |
79 |
298 |
759 |
444 |
1 |
0 |
| ODI |
0 |
52 |
28 |
122 |
981 |
1060 |
53 |
0 |
| CDI |
0 |
25 |
43 |
103 |
984 |
2173 |
157 |
0 |
| VCDI |
0 |
1 |
15 |
116 |
269 |
1761 |
6267 |
6409 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
3364 |
2744 |
111 |
519 |
692 |
0 |
0 |
0 |
| OW |
0 |
270 |
69 |
284 |
601 |
113 |
0 |
0 |
| VODI |
0 |
40 |
56 |
247 |
911 |
895 |
4 |
0 |
| ODI |
0 |
16 |
26 |
98 |
551 |
1336 |
38 |
0 |
| CDI |
0 |
21 |
10 |
177 |
706 |
2911 |
391 |
0 |
| VCDI |
0 |
13 |
14 |
75 |
318 |
4147 |
7988 |
3340 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3364 |
2782 |
111 |
546 |
873 |
31 |
0 |
0 |
| OW |
0 |
232 |
65 |
250 |
458 |
223 |
0 |
0 |
| VODI |
0 |
45 |
63 |
221 |
802 |
874 |
2 |
0 |
| ODI |
0 |
14 |
22 |
121 |
632 |
1380 |
27 |
0 |
| CDI |
0 |
20 |
11 |
182 |
649 |
2871 |
428 |
0 |
| VCDI |
0 |
11 |
14 |
80 |
365 |
4023 |
7964 |
3340 |
|
Date: 2024-10-26:
| 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 |
1874 |
4248 |
80 |
163 |
241 |
38 |
0 |
0 |
| OW |
0 |
249 |
59 |
206 |
533 |
385 |
0 |
0 |
| VODI |
0 |
39 |
41 |
65 |
370 |
652 |
22 |
0 |
| ODI |
0 |
9 |
27 |
60 |
462 |
1447 |
92 |
0 |
| CDI |
0 |
0 |
13 |
151 |
459 |
3035 |
469 |
0 |
| VCDI |
0 |
0 |
0 |
61 |
357 |
4441 |
8491 |
4257 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1874 |
4267 |
69 |
198 |
438 |
151 |
0 |
0 |
| OW |
0 |
221 |
65 |
152 |
372 |
383 |
6 |
0 |
| VODI |
0 |
49 |
45 |
88 |
327 |
736 |
40 |
0 |
| ODI |
0 |
8 |
30 |
63 |
400 |
1304 |
77 |
0 |
| CDI |
0 |
0 |
11 |
146 |
486 |
3106 |
496 |
0 |
| VCDI |
0 |
0 |
0 |
59 |
399 |
4318 |
8455 |
4257 |
|
Date: 2024-10-28:
| 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 |
3813 |
2341 |
58 |
87 |
14 |
0 |
0 |
0 |
| OW |
0 |
331 |
102 |
148 |
87 |
0 |
0 |
0 |
| VODI |
0 |
12 |
27 |
287 |
172 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
116 |
439 |
482 |
73 |
0 |
| CDI |
0 |
0 |
0 |
36 |
395 |
4223 |
463 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
379 |
4282 |
9048 |
5653 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3813 |
2241 |
70 |
172 |
265 |
98 |
4 |
0 |
| OW |
0 |
361 |
66 |
170 |
205 |
338 |
53 |
0 |
| VODI |
0 |
78 |
31 |
116 |
161 |
408 |
188 |
0 |
| ODI |
0 |
4 |
20 |
68 |
114 |
890 |
182 |
0 |
| CDI |
0 |
0 |
0 |
145 |
220 |
2419 |
448 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
521 |
4862 |
8709 |
5653 |
|
Date: 2024-10-30:
| 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 |
4166 |
2240 |
43 |
42 |
20 |
0 |
0 |
0 |
| OW |
0 |
359 |
70 |
130 |
37 |
0 |
0 |
0 |
| VODI |
0 |
89 |
69 |
168 |
119 |
10 |
0 |
0 |
| ODI |
0 |
0 |
23 |
151 |
292 |
141 |
13 |
0 |
| CDI |
0 |
0 |
0 |
118 |
556 |
1399 |
213 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
322 |
6614 |
9938 |
5752 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4166 |
2109 |
70 |
153 |
266 |
20 |
0 |
0 |
| OW |
0 |
402 |
70 |
143 |
216 |
89 |
22 |
0 |
| VODI |
0 |
120 |
14 |
102 |
140 |
324 |
173 |
0 |
| ODI |
0 |
44 |
21 |
48 |
138 |
515 |
224 |
0 |
| CDI |
0 |
13 |
30 |
132 |
286 |
1406 |
617 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
300 |
5810 |
9128 |
5752 |
|
Date: 2024-11-01:
| 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 |
4279 |
2196 |
24 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
379 |
95 |
179 |
25 |
0 |
0 |
0 |
| VODI |
0 |
110 |
59 |
218 |
103 |
7 |
0 |
0 |
| ODI |
0 |
11 |
22 |
164 |
321 |
69 |
16 |
0 |
| CDI |
0 |
0 |
0 |
151 |
583 |
810 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
351 |
5195 |
10854 |
6680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4279 |
2077 |
90 |
190 |
232 |
73 |
0 |
0 |
| OW |
0 |
419 |
58 |
153 |
151 |
78 |
5 |
0 |
| VODI |
0 |
146 |
16 |
103 |
182 |
389 |
113 |
0 |
| ODI |
0 |
38 |
20 |
72 |
184 |
419 |
219 |
0 |
| CDI |
0 |
16 |
16 |
176 |
375 |
1043 |
650 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
259 |
4079 |
10056 |
6680 |
|
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