Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-23:
| 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 |
244 |
2127 |
266 |
575 |
92 |
9 |
0 |
0 |
| OW |
0 |
144 |
96 |
572 |
276 |
31 |
0 |
0 |
| VODI |
0 |
58 |
65 |
612 |
994 |
114 |
2 |
0 |
| ODI |
0 |
2 |
16 |
325 |
1774 |
533 |
41 |
0 |
| CDI |
0 |
0 |
0 |
182 |
2464 |
2557 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
181 |
3541 |
7250 |
6731 |
|
...date precedes bulletin
|
Date: 2023-06-25:
| 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 |
254 |
2338 |
292 |
534 |
87 |
16 |
0 |
0 |
| OW |
0 |
148 |
103 |
604 |
275 |
88 |
0 |
0 |
| VODI |
0 |
58 |
71 |
521 |
1193 |
193 |
0 |
0 |
| ODI |
0 |
4 |
18 |
229 |
1748 |
615 |
9 |
0 |
| CDI |
0 |
0 |
4 |
181 |
1732 |
4017 |
251 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2922 |
9370 |
4189 |
|
...date precedes bulletin
|
Date: 2023-06-27:
| 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 |
252 |
2829 |
407 |
517 |
34 |
1 |
0 |
0 |
| OW |
3 |
23 |
99 |
708 |
146 |
33 |
0 |
0 |
| VODI |
0 |
0 |
2 |
707 |
932 |
106 |
0 |
0 |
| ODI |
0 |
0 |
0 |
156 |
2639 |
657 |
1 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1117 |
5501 |
357 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
3292 |
9916 |
1582 |
|
...date precedes bulletin
|
Date: 2023-06-29:
| 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 |
265 |
2761 |
463 |
720 |
55 |
0 |
0 |
0 |
| OW |
1 |
22 |
84 |
754 |
290 |
12 |
0 |
0 |
| VODI |
0 |
2 |
9 |
518 |
1391 |
230 |
0 |
0 |
| ODI |
0 |
0 |
2 |
121 |
2226 |
811 |
3 |
0 |
| CDI |
0 |
0 |
0 |
34 |
1140 |
6249 |
1218 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1982 |
9184 |
1518 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
266 |
2758 |
461 |
836 |
93 |
1 |
0 |
0 |
| OW |
0 |
25 |
87 |
611 |
316 |
22 |
0 |
0 |
| VODI |
0 |
2 |
8 |
540 |
1281 |
237 |
0 |
0 |
| ODI |
0 |
0 |
2 |
115 |
2227 |
820 |
4 |
0 |
| CDI |
0 |
0 |
0 |
45 |
1198 |
6246 |
1093 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1958 |
9308 |
1518 |
|
Date: 2023-07-01:
| 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 |
370 |
2965 |
448 |
582 |
39 |
1 |
0 |
0 |
| OW |
1 |
41 |
102 |
784 |
361 |
53 |
0 |
0 |
| VODI |
0 |
4 |
13 |
550 |
1413 |
647 |
0 |
0 |
| ODI |
0 |
0 |
2 |
82 |
1624 |
1072 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
666 |
8358 |
1221 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
3660 |
6399 |
553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
371 |
2969 |
468 |
723 |
96 |
14 |
0 |
0 |
| OW |
0 |
35 |
82 |
645 |
367 |
68 |
0 |
0 |
| VODI |
0 |
6 |
11 |
557 |
1392 |
546 |
0 |
0 |
| ODI |
0 |
0 |
4 |
75 |
1565 |
1176 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
707 |
8019 |
1143 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
3968 |
6477 |
553 |
|
Date: 2023-07-03:
| 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 |
158 |
3472 |
444 |
392 |
32 |
1 |
0 |
0 |
| OW |
0 |
17 |
102 |
737 |
148 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1030 |
776 |
65 |
0 |
0 |
| ODI |
0 |
0 |
0 |
108 |
3372 |
411 |
8 |
0 |
| CDI |
0 |
0 |
0 |
27 |
647 |
10457 |
598 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1739 |
7266 |
53 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
158 |
3399 |
400 |
688 |
183 |
8 |
0 |
0 |
| OW |
0 |
73 |
112 |
669 |
427 |
98 |
12 |
0 |
| VODI |
0 |
17 |
27 |
708 |
1695 |
352 |
0 |
0 |
| ODI |
0 |
0 |
7 |
166 |
1906 |
595 |
6 |
0 |
| CDI |
0 |
0 |
0 |
63 |
757 |
8850 |
1257 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
2770 |
6597 |
53 |
|
Date: 2023-07-05:
| 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 |
163 |
3691 |
396 |
489 |
33 |
0 |
0 |
0 |
| OW |
0 |
57 |
118 |
836 |
208 |
18 |
0 |
0 |
| VODI |
0 |
3 |
18 |
1150 |
904 |
70 |
2 |
0 |
| ODI |
0 |
0 |
0 |
157 |
2822 |
639 |
5 |
0 |
| CDI |
0 |
0 |
0 |
56 |
1083 |
10085 |
700 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
3049 |
5250 |
51 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
163 |
3511 |
362 |
717 |
224 |
25 |
0 |
0 |
| OW |
0 |
176 |
114 |
844 |
598 |
105 |
1 |
0 |
| VODI |
0 |
57 |
44 |
807 |
1583 |
239 |
4 |
0 |
| ODI |
0 |
7 |
12 |
236 |
1541 |
834 |
14 |
0 |
| CDI |
0 |
0 |
0 |
84 |
1097 |
9990 |
599 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
2668 |
5339 |
51 |
|
Date: 2023-07-07:
| 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 |
1527 |
2455 |
339 |
545 |
57 |
0 |
0 |
0 |
| OW |
0 |
115 |
137 |
948 |
294 |
9 |
0 |
0 |
| VODI |
0 |
27 |
49 |
1083 |
1258 |
85 |
4 |
0 |
| ODI |
0 |
0 |
1 |
161 |
2677 |
530 |
7 |
0 |
| CDI |
0 |
0 |
1 |
89 |
1682 |
9673 |
531 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
4888 |
2698 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1527 |
2225 |
315 |
817 |
386 |
43 |
1 |
0 |
| OW |
0 |
252 |
132 |
924 |
902 |
94 |
1 |
0 |
| VODI |
0 |
120 |
76 |
676 |
1486 |
136 |
8 |
0 |
| ODI |
0 |
0 |
2 |
284 |
1572 |
906 |
18 |
0 |
| CDI |
0 |
0 |
2 |
125 |
1630 |
9364 |
633 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
204 |
4642 |
2579 |
0 |
|
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