Validation of sea ice concentration - Asian sector
Bulletin date: 2021-07-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-06-25:
| 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 |
620 |
5269 |
174 |
916 |
271 |
0 |
0 |
0 |
| OW |
0 |
181 |
62 |
750 |
923 |
0 |
0 |
0 |
| VODI |
0 |
75 |
20 |
373 |
1360 |
144 |
0 |
0 |
| ODI |
0 |
13 |
11 |
106 |
1617 |
746 |
1 |
0 |
| CDI |
0 |
0 |
0 |
26 |
946 |
6466 |
934 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
7 |
1664 |
5343 |
3063 |
|
...date precedes bulletin
|
Date: 2021-06-27:
| 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 |
592 |
5655 |
182 |
983 |
554 |
0 |
0 |
0 |
| OW |
0 |
207 |
65 |
689 |
820 |
12 |
0 |
0 |
| VODI |
0 |
75 |
24 |
477 |
1138 |
291 |
3 |
0 |
| ODI |
0 |
1 |
4 |
159 |
1537 |
905 |
51 |
0 |
| CDI |
0 |
0 |
0 |
21 |
758 |
5989 |
1467 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
851 |
7664 |
905 |
|
...date precedes bulletin
|
Date: 2021-06-29:
| 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 |
595 |
5880 |
163 |
997 |
468 |
0 |
0 |
0 |
| OW |
0 |
202 |
92 |
632 |
396 |
0 |
0 |
0 |
| VODI |
0 |
3 |
7 |
723 |
1097 |
20 |
0 |
0 |
| ODI |
0 |
0 |
0 |
59 |
2393 |
550 |
9 |
0 |
| CDI |
0 |
0 |
0 |
1 |
355 |
5947 |
1329 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
1587 |
7163 |
1412 |
|
...date precedes bulletin
|
Date: 2021-07-01:
| 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 |
1073 |
5620 |
152 |
1264 |
323 |
0 |
0 |
0 |
| OW |
0 |
233 |
99 |
776 |
430 |
4 |
0 |
0 |
| VODI |
0 |
13 |
9 |
608 |
1217 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
47 |
1828 |
1219 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
289 |
5985 |
1773 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
1887 |
5778 |
1398 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1073 |
5658 |
172 |
1366 |
423 |
0 |
0 |
0 |
| OW |
0 |
189 |
77 |
710 |
384 |
8 |
0 |
0 |
| VODI |
0 |
19 |
11 |
567 |
1145 |
50 |
0 |
0 |
| ODI |
0 |
0 |
0 |
50 |
1768 |
1080 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
362 |
6014 |
1655 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
6 |
1995 |
5896 |
1398 |
|
Date: 2021-07-03:
| 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 |
1238 |
6417 |
142 |
1262 |
31 |
0 |
0 |
0 |
| OW |
0 |
420 |
98 |
1051 |
230 |
1 |
0 |
0 |
| VODI |
0 |
64 |
22 |
835 |
1067 |
29 |
0 |
0 |
| ODI |
0 |
4 |
3 |
153 |
2286 |
774 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
755 |
6469 |
763 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
3367 |
3508 |
1068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1238 |
6426 |
147 |
1416 |
90 |
0 |
0 |
0 |
| OW |
0 |
408 |
90 |
920 |
195 |
1 |
0 |
0 |
| VODI |
0 |
63 |
24 |
779 |
1084 |
24 |
0 |
0 |
| ODI |
0 |
8 |
4 |
179 |
2193 |
808 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
807 |
6128 |
755 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
16 |
3679 |
3516 |
1068 |
|
Date: 2021-07-05:
| 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 |
1441 |
7440 |
169 |
958 |
28 |
0 |
0 |
0 |
| OW |
0 |
317 |
105 |
899 |
115 |
5 |
0 |
0 |
| VODI |
0 |
11 |
9 |
1074 |
740 |
4 |
0 |
0 |
| ODI |
0 |
1 |
0 |
18 |
3446 |
432 |
1 |
0 |
| CDI |
0 |
0 |
0 |
1 |
855 |
6900 |
576 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
2158 |
4073 |
287 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1441 |
7153 |
170 |
1231 |
124 |
1 |
0 |
0 |
| OW |
0 |
531 |
93 |
716 |
271 |
8 |
0 |
0 |
| VODI |
0 |
78 |
18 |
801 |
1179 |
113 |
0 |
0 |
| ODI |
0 |
7 |
2 |
190 |
2221 |
1079 |
2 |
0 |
| CDI |
0 |
0 |
0 |
12 |
1244 |
5022 |
932 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
3276 |
3716 |
287 |
|
Date: 2021-07-07:
| 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 |
1578 |
8323 |
186 |
765 |
6 |
3 |
0 |
0 |
| OW |
0 |
164 |
68 |
1023 |
141 |
3 |
0 |
0 |
| VODI |
0 |
13 |
7 |
802 |
1366 |
78 |
0 |
0 |
| ODI |
0 |
0 |
0 |
21 |
2816 |
815 |
7 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1297 |
6269 |
363 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
2327 |
3544 |
20 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1578 |
7889 |
169 |
940 |
98 |
6 |
0 |
0 |
| OW |
0 |
529 |
60 |
714 |
257 |
49 |
0 |
0 |
| VODI |
0 |
80 |
30 |
819 |
1326 |
185 |
0 |
0 |
| ODI |
0 |
2 |
2 |
120 |
2268 |
1285 |
17 |
0 |
| CDI |
0 |
0 |
0 |
18 |
1437 |
4829 |
605 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
316 |
3141 |
3292 |
20 |
|
Date: 2021-07-09:
| 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 |
3071 |
7448 |
144 |
568 |
19 |
4 |
0 |
0 |
| OW |
1 |
254 |
83 |
879 |
311 |
4 |
0 |
0 |
| VODI |
0 |
13 |
7 |
700 |
1688 |
154 |
0 |
0 |
| ODI |
0 |
0 |
0 |
43 |
2006 |
1681 |
27 |
0 |
| CDI |
0 |
1 |
0 |
0 |
828 |
6472 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
1876 |
3510 |
65 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2975 |
7100 |
132 |
674 |
229 |
28 |
0 |
0 |
| OW |
97 |
493 |
73 |
510 |
286 |
91 |
0 |
0 |
| VODI |
0 |
120 |
28 |
860 |
1513 |
304 |
19 |
0 |
| ODI |
0 |
2 |
1 |
146 |
1444 |
2008 |
63 |
0 |
| CDI |
0 |
1 |
0 |
0 |
1194 |
5477 |
414 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
221 |
2283 |
3231 |
65 |
|
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