Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-04
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-28:
| 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 |
150 |
952 |
65 |
164 |
46 |
6 |
0 |
0 |
| OW |
0 |
829 |
260 |
604 |
131 |
34 |
0 |
0 |
| VODI |
0 |
133 |
122 |
1411 |
697 |
71 |
0 |
0 |
| ODI |
0 |
1 |
11 |
749 |
3180 |
210 |
0 |
0 |
| CDI |
0 |
0 |
0 |
159 |
2341 |
8374 |
508 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
1753 |
9320 |
793 |
0 |
|
...date precedes bulletin
|
Date: 2024-06-30:
| 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 |
159 |
1109 |
88 |
178 |
43 |
0 |
0 |
0 |
| OW |
0 |
1198 |
309 |
480 |
147 |
1 |
0 |
0 |
| VODI |
0 |
231 |
206 |
1476 |
801 |
7 |
0 |
0 |
| ODI |
0 |
22 |
66 |
812 |
2822 |
139 |
0 |
0 |
| CDI |
0 |
7 |
7 |
358 |
2935 |
8607 |
569 |
0 |
| VCDI |
0 |
0 |
0 |
167 |
2408 |
6992 |
752 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-02:
| 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 |
164 |
2124 |
125 |
175 |
55 |
0 |
0 |
0 |
| OW |
0 |
1204 |
429 |
464 |
105 |
2 |
0 |
0 |
| VODI |
0 |
85 |
157 |
2535 |
905 |
1 |
0 |
0 |
| ODI |
0 |
1 |
6 |
502 |
3871 |
188 |
0 |
0 |
| CDI |
0 |
0 |
2 |
315 |
2472 |
11696 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
1101 |
3496 |
628 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-04:
| 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 |
166 |
2474 |
99 |
126 |
32 |
0 |
0 |
0 |
| OW |
0 |
1248 |
403 |
520 |
79 |
0 |
0 |
0 |
| VODI |
0 |
127 |
175 |
2762 |
1061 |
0 |
0 |
0 |
| ODI |
0 |
5 |
22 |
548 |
3184 |
331 |
0 |
0 |
| CDI |
0 |
0 |
1 |
591 |
2783 |
10429 |
516 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
892 |
3555 |
965 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
166 |
2589 |
118 |
136 |
39 |
0 |
0 |
0 |
| OW |
0 |
1155 |
381 |
537 |
95 |
0 |
0 |
0 |
| VODI |
0 |
106 |
184 |
2702 |
1019 |
0 |
0 |
0 |
| ODI |
0 |
4 |
16 |
582 |
3098 |
412 |
0 |
0 |
| CDI |
0 |
0 |
1 |
586 |
2797 |
10434 |
442 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
983 |
3469 |
1039 |
0 |
|
Date: 2024-07-06:
| 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 |
175 |
2776 |
97 |
144 |
28 |
0 |
0 |
0 |
| OW |
0 |
1446 |
407 |
578 |
76 |
2 |
0 |
0 |
| VODI |
0 |
177 |
191 |
2664 |
1104 |
4 |
0 |
0 |
| ODI |
0 |
18 |
31 |
568 |
2735 |
391 |
0 |
0 |
| CDI |
0 |
0 |
0 |
585 |
2591 |
9842 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
964 |
4478 |
738 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
175 |
2914 |
133 |
182 |
29 |
2 |
0 |
0 |
| OW |
0 |
1325 |
348 |
612 |
86 |
0 |
0 |
0 |
| VODI |
0 |
166 |
220 |
2577 |
1085 |
4 |
0 |
0 |
| ODI |
0 |
12 |
25 |
611 |
2638 |
529 |
0 |
0 |
| CDI |
0 |
0 |
0 |
536 |
2526 |
9623 |
189 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
1134 |
4559 |
833 |
0 |
|
Date: 2024-07-08:
| 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 |
291 |
3864 |
99 |
105 |
18 |
2 |
0 |
0 |
| OW |
4 |
1250 |
638 |
472 |
19 |
0 |
0 |
0 |
| VODI |
0 |
18 |
61 |
3760 |
554 |
7 |
0 |
0 |
| ODI |
0 |
1 |
0 |
706 |
4686 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
94 |
2894 |
9796 |
329 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
440 |
2418 |
406 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
284 |
3259 |
121 |
141 |
23 |
2 |
0 |
0 |
| OW |
9 |
1521 |
349 |
705 |
77 |
0 |
0 |
0 |
| VODI |
2 |
263 |
280 |
2286 |
973 |
5 |
0 |
0 |
| ODI |
0 |
78 |
38 |
809 |
2191 |
386 |
0 |
0 |
| CDI |
0 |
12 |
10 |
1091 |
3864 |
8224 |
724 |
0 |
| VCDI |
0 |
0 |
0 |
129 |
1483 |
3746 |
11 |
0 |
|
Date: 2024-07-10:
| 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 |
405 |
4398 |
84 |
84 |
8 |
2 |
0 |
0 |
| OW |
2 |
1588 |
512 |
410 |
32 |
0 |
0 |
0 |
| VODI |
0 |
254 |
379 |
3357 |
475 |
0 |
0 |
0 |
| ODI |
0 |
24 |
19 |
1075 |
3526 |
378 |
0 |
0 |
| CDI |
0 |
1 |
3 |
373 |
3146 |
9679 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
389 |
2486 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
402 |
3549 |
94 |
148 |
14 |
2 |
0 |
0 |
| OW |
4 |
1926 |
361 |
641 |
56 |
0 |
0 |
0 |
| VODI |
1 |
493 |
323 |
2161 |
557 |
0 |
0 |
0 |
| ODI |
0 |
185 |
99 |
915 |
1908 |
346 |
0 |
0 |
| CDI |
0 |
112 |
120 |
1286 |
3599 |
8718 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
155 |
1442 |
3479 |
0 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
501 |
3813 |
127 |
148 |
13 |
0 |
0 |
0 |
| OW |
11 |
2075 |
360 |
868 |
97 |
0 |
0 |
0 |
| VODI |
2 |
597 |
256 |
1810 |
729 |
2 |
0 |
0 |
| ODI |
0 |
247 |
76 |
799 |
2065 |
262 |
0 |
0 |
| CDI |
0 |
179 |
143 |
1202 |
2682 |
9183 |
23 |
0 |
| VCDI |
0 |
3 |
3 |
320 |
1887 |
2613 |
0 |
0 |
|
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