Validation of sea ice concentration - Asian sector
Bulletin date: 2023-07-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-30:
| 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 |
292 |
2923 |
441 |
623 |
33 |
0 |
0 |
0 |
| OW |
2 |
28 |
106 |
786 |
288 |
31 |
0 |
0 |
| VODI |
0 |
0 |
9 |
541 |
1411 |
407 |
10 |
0 |
| ODI |
0 |
0 |
0 |
93 |
1980 |
894 |
5 |
0 |
| CDI |
0 |
0 |
0 |
22 |
917 |
7061 |
1199 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1545 |
8207 |
2204 |
|
...date precedes bulletin
|
Date: 2023-07-02:
| 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 |
152 |
3254 |
434 |
575 |
49 |
1 |
0 |
0 |
| OW |
0 |
64 |
112 |
825 |
413 |
58 |
0 |
0 |
| VODI |
0 |
13 |
11 |
577 |
1650 |
530 |
1 |
0 |
| ODI |
0 |
1 |
10 |
97 |
1668 |
921 |
16 |
0 |
| CDI |
0 |
0 |
0 |
41 |
684 |
9125 |
1363 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
3138 |
6071 |
178 |
|
...date precedes bulletin
|
Date: 2023-07-04:
| 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 |
120 |
3262 |
619 |
627 |
34 |
0 |
0 |
0 |
| OW |
0 |
18 |
103 |
814 |
194 |
5 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1057 |
830 |
59 |
1 |
0 |
| ODI |
0 |
0 |
0 |
153 |
2981 |
620 |
7 |
0 |
| CDI |
0 |
0 |
0 |
40 |
712 |
10021 |
992 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
2341 |
6416 |
34 |
|
...date precedes bulletin
|
Date: 2023-07-06:
| 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 |
799 |
3286 |
286 |
441 |
42 |
0 |
0 |
0 |
| OW |
0 |
116 |
154 |
852 |
226 |
6 |
0 |
0 |
| VODI |
0 |
10 |
59 |
1178 |
1037 |
70 |
2 |
0 |
| ODI |
0 |
0 |
0 |
172 |
2653 |
646 |
7 |
0 |
| CDI |
0 |
0 |
0 |
73 |
1528 |
9873 |
650 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
3997 |
3870 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
799 |
3252 |
291 |
494 |
57 |
0 |
0 |
0 |
| OW |
0 |
144 |
150 |
753 |
241 |
14 |
1 |
0 |
| VODI |
0 |
16 |
58 |
1200 |
1005 |
61 |
1 |
0 |
| ODI |
0 |
0 |
0 |
199 |
2558 |
629 |
6 |
0 |
| CDI |
0 |
0 |
0 |
70 |
1618 |
9831 |
526 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
4057 |
3995 |
0 |
|
Date: 2023-07-08:
| 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 |
1549 |
2610 |
317 |
474 |
66 |
0 |
0 |
0 |
| OW |
0 |
175 |
193 |
996 |
322 |
18 |
0 |
0 |
| VODI |
0 |
54 |
80 |
974 |
1409 |
84 |
4 |
0 |
| ODI |
0 |
3 |
11 |
147 |
2599 |
410 |
10 |
0 |
| CDI |
0 |
0 |
8 |
99 |
3446 |
7854 |
571 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
4255 |
3299 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1549 |
2558 |
313 |
533 |
80 |
0 |
0 |
0 |
| OW |
0 |
239 |
197 |
883 |
342 |
32 |
0 |
0 |
| VODI |
0 |
43 |
83 |
1019 |
1408 |
69 |
4 |
0 |
| ODI |
0 |
2 |
9 |
158 |
2521 |
412 |
9 |
0 |
| CDI |
0 |
0 |
7 |
97 |
3486 |
7797 |
529 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
4311 |
3342 |
0 |
|
Date: 2023-07-10:
| 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 |
1586 |
3208 |
482 |
442 |
49 |
0 |
0 |
0 |
| OW |
0 |
45 |
192 |
857 |
114 |
2 |
0 |
0 |
| VODI |
0 |
9 |
7 |
1132 |
753 |
39 |
0 |
0 |
| ODI |
0 |
1 |
7 |
97 |
4925 |
438 |
5 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1558 |
10502 |
506 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
1959 |
3072 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1586 |
2829 |
372 |
568 |
130 |
1 |
0 |
0 |
| OW |
0 |
337 |
209 |
828 |
343 |
52 |
0 |
0 |
| VODI |
0 |
82 |
90 |
928 |
1584 |
116 |
3 |
0 |
| ODI |
0 |
12 |
5 |
139 |
1969 |
817 |
10 |
0 |
| CDI |
0 |
3 |
12 |
103 |
3328 |
8136 |
723 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
102 |
3818 |
2847 |
0 |
|
Date: 2023-07-12:
| 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 |
1543 |
3438 |
527 |
660 |
75 |
0 |
0 |
0 |
| OW |
0 |
108 |
119 |
855 |
214 |
0 |
0 |
0 |
| VODI |
0 |
13 |
10 |
1133 |
995 |
18 |
0 |
0 |
| ODI |
0 |
6 |
10 |
170 |
4818 |
1495 |
0 |
0 |
| CDI |
0 |
0 |
0 |
65 |
1659 |
8614 |
1467 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
154 |
2021 |
1895 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1543 |
3107 |
390 |
655 |
214 |
1 |
0 |
0 |
| OW |
0 |
374 |
188 |
841 |
418 |
13 |
0 |
0 |
| VODI |
0 |
60 |
69 |
1077 |
1769 |
57 |
0 |
0 |
| ODI |
0 |
18 |
8 |
185 |
2374 |
817 |
0 |
0 |
| CDI |
0 |
6 |
11 |
125 |
2987 |
7755 |
1241 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
153 |
3505 |
2121 |
0 |
|
Date: 2023-07-14:
| 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 |
1566 |
3964 |
453 |
557 |
81 |
1 |
0 |
0 |
| OW |
0 |
245 |
231 |
912 |
204 |
2 |
0 |
0 |
| VODI |
0 |
29 |
43 |
1325 |
1029 |
31 |
0 |
0 |
| ODI |
0 |
4 |
14 |
297 |
5784 |
1347 |
0 |
0 |
| CDI |
0 |
0 |
0 |
86 |
2617 |
7355 |
402 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
115 |
2405 |
982 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1566 |
3684 |
364 |
573 |
282 |
7 |
0 |
0 |
| OW |
0 |
448 |
228 |
948 |
329 |
2 |
0 |
0 |
| VODI |
0 |
78 |
113 |
1198 |
1612 |
45 |
0 |
0 |
| ODI |
0 |
29 |
24 |
313 |
2927 |
885 |
0 |
0 |
| CDI |
0 |
3 |
12 |
145 |
4547 |
6159 |
399 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
133 |
4043 |
985 |
0 |
|
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