Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-12:
| 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 |
513 |
4501 |
80 |
44 |
7 |
0 |
0 |
0 |
| OW |
1 |
1866 |
472 |
523 |
24 |
0 |
0 |
0 |
| VODI |
0 |
457 |
297 |
3054 |
773 |
0 |
0 |
0 |
| ODI |
0 |
67 |
101 |
1010 |
3464 |
408 |
0 |
0 |
| CDI |
0 |
23 |
15 |
508 |
2767 |
10152 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
438 |
1500 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-14:
| 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 |
592 |
4651 |
65 |
84 |
2 |
0 |
0 |
0 |
| OW |
0 |
2265 |
337 |
544 |
56 |
0 |
0 |
0 |
| VODI |
0 |
842 |
493 |
2278 |
936 |
8 |
0 |
0 |
| ODI |
0 |
122 |
112 |
1107 |
3116 |
479 |
0 |
0 |
| CDI |
0 |
71 |
25 |
575 |
2391 |
10110 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
380 |
1206 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-16:
| 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 |
1261 |
5704 |
42 |
11 |
2 |
0 |
0 |
0 |
| OW |
32 |
3161 |
678 |
356 |
6 |
0 |
0 |
0 |
| VODI |
0 |
229 |
286 |
2724 |
590 |
0 |
0 |
0 |
| ODI |
0 |
39 |
12 |
447 |
4069 |
1139 |
0 |
0 |
| CDI |
0 |
54 |
9 |
164 |
2349 |
9588 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-18:
| 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 |
1897 |
5648 |
17 |
13 |
1 |
0 |
0 |
0 |
| OW |
144 |
2931 |
455 |
391 |
9 |
0 |
0 |
0 |
| VODI |
0 |
356 |
284 |
2602 |
872 |
0 |
0 |
0 |
| ODI |
0 |
78 |
26 |
553 |
3817 |
2401 |
0 |
0 |
| CDI |
0 |
81 |
17 |
140 |
2230 |
8091 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1872 |
6059 |
63 |
24 |
1 |
0 |
0 |
0 |
| OW |
169 |
2469 |
400 |
423 |
10 |
0 |
0 |
0 |
| VODI |
0 |
401 |
300 |
2514 |
904 |
0 |
0 |
0 |
| ODI |
0 |
80 |
21 |
593 |
3698 |
1928 |
0 |
0 |
| CDI |
0 |
85 |
15 |
145 |
2316 |
8564 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-20:
| 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 |
3104 |
5086 |
21 |
5 |
0 |
0 |
0 |
0 |
| OW |
277 |
2490 |
466 |
390 |
10 |
0 |
0 |
0 |
| VODI |
2 |
515 |
292 |
2359 |
1123 |
1 |
0 |
0 |
| ODI |
0 |
215 |
31 |
537 |
3745 |
3353 |
23 |
0 |
| CDI |
0 |
63 |
21 |
80 |
2236 |
6580 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3112 |
5266 |
57 |
23 |
0 |
0 |
0 |
0 |
| OW |
267 |
2247 |
400 |
424 |
15 |
0 |
0 |
0 |
| VODI |
4 |
580 |
304 |
2227 |
1215 |
7 |
0 |
0 |
| ODI |
0 |
215 |
49 |
627 |
3534 |
2574 |
0 |
0 |
| CDI |
0 |
61 |
21 |
70 |
2350 |
7353 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-22:
| 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 |
3706 |
6224 |
18 |
6 |
0 |
0 |
0 |
0 |
| OW |
154 |
2289 |
699 |
363 |
8 |
0 |
0 |
0 |
| VODI |
5 |
145 |
50 |
2707 |
377 |
0 |
0 |
0 |
| ODI |
2 |
53 |
1 |
106 |
7064 |
318 |
0 |
0 |
| CDI |
0 |
1 |
0 |
13 |
772 |
7992 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3553 |
5274 |
48 |
18 |
0 |
0 |
0 |
0 |
| OW |
260 |
2483 |
324 |
437 |
12 |
0 |
0 |
0 |
| VODI |
53 |
626 |
346 |
2017 |
1322 |
17 |
0 |
0 |
| ODI |
1 |
305 |
49 |
627 |
3938 |
2527 |
0 |
0 |
| CDI |
0 |
24 |
1 |
96 |
2947 |
5763 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3 |
0 |
0 |
|
Date: 2024-07-24:
| 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 |
4200 |
6188 |
12 |
8 |
0 |
0 |
0 |
0 |
| OW |
179 |
2308 |
443 |
417 |
2 |
0 |
0 |
0 |
| VODI |
20 |
195 |
147 |
2306 |
831 |
0 |
0 |
0 |
| ODI |
11 |
24 |
0 |
300 |
5700 |
1699 |
0 |
0 |
| CDI |
0 |
1 |
0 |
11 |
372 |
7526 |
196 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4105 |
5071 |
28 |
27 |
0 |
0 |
0 |
0 |
| OW |
254 |
2560 |
262 |
609 |
20 |
0 |
0 |
0 |
| VODI |
38 |
746 |
269 |
1614 |
1580 |
61 |
0 |
0 |
| ODI |
13 |
333 |
43 |
489 |
3081 |
4111 |
109 |
0 |
| CDI |
0 |
6 |
0 |
303 |
2220 |
5049 |
87 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
4 |
0 |
0 |
|
Date: 2024-07-26:
| 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 |
5192 |
5690 |
3 |
13 |
0 |
0 |
0 |
0 |
| OW |
206 |
2425 |
369 |
239 |
1 |
0 |
0 |
0 |
| VODI |
21 |
294 |
280 |
2075 |
998 |
0 |
0 |
0 |
| ODI |
5 |
11 |
0 |
566 |
5460 |
1238 |
0 |
0 |
| CDI |
1 |
2 |
0 |
8 |
927 |
7028 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5002 |
4392 |
22 |
16 |
0 |
0 |
0 |
0 |
| OW |
379 |
2779 |
282 |
526 |
13 |
0 |
0 |
0 |
| VODI |
30 |
867 |
286 |
1359 |
1454 |
157 |
0 |
0 |
| ODI |
13 |
374 |
45 |
474 |
3328 |
3745 |
18 |
0 |
| CDI |
1 |
10 |
17 |
526 |
2584 |
4364 |
26 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
0 |
0 |
0 |
|
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