Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-11:
| 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 |
108696 |
23063 |
1191 |
1147 |
93 |
6 |
0 |
0 |
| OW |
1 |
1276 |
873 |
1852 |
304 |
18 |
0 |
0 |
| VODI |
0 |
357 |
744 |
5013 |
1538 |
248 |
0 |
0 |
| ODI |
0 |
5 |
34 |
2309 |
6973 |
3176 |
177 |
0 |
| CDI |
0 |
7 |
13 |
78 |
4625 |
12942 |
1172 |
0 |
| VCDI |
0 |
5 |
2 |
2 |
24 |
2365 |
6719 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-13:
| 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 |
110444 |
22427 |
970 |
925 |
79 |
2 |
0 |
0 |
| OW |
2 |
1884 |
871 |
2027 |
317 |
31 |
0 |
0 |
| VODI |
0 |
741 |
754 |
4168 |
1589 |
194 |
10 |
0 |
| ODI |
0 |
29 |
83 |
2511 |
6827 |
2900 |
117 |
0 |
| CDI |
0 |
15 |
11 |
105 |
4576 |
11635 |
1279 |
1 |
| VCDI |
0 |
4 |
2 |
1 |
30 |
1989 |
7461 |
37 |
|
...date precedes bulletin
|
Date: 2023-08-15:
| 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 |
110265 |
25320 |
1356 |
972 |
69 |
0 |
0 |
0 |
| OW |
0 |
932 |
924 |
1730 |
165 |
0 |
0 |
0 |
| VODI |
0 |
389 |
522 |
5025 |
1448 |
49 |
0 |
0 |
| ODI |
0 |
25 |
37 |
1679 |
8519 |
861 |
1 |
0 |
| CDI |
0 |
2 |
9 |
47 |
4059 |
11322 |
917 |
2 |
| VCDI |
0 |
5 |
2 |
6 |
29 |
1641 |
7906 |
813 |
|
...date precedes bulletin
|
Date: 2023-08-17:
| 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 |
114185 |
22393 |
1141 |
1022 |
85 |
0 |
0 |
0 |
| OW |
20 |
1395 |
901 |
1652 |
183 |
3 |
0 |
0 |
| VODI |
0 |
546 |
638 |
4565 |
1212 |
28 |
0 |
0 |
| ODI |
0 |
33 |
40 |
1848 |
7528 |
1210 |
2 |
0 |
| CDI |
0 |
4 |
8 |
130 |
4862 |
10859 |
562 |
0 |
| VCDI |
0 |
4 |
0 |
5 |
36 |
2362 |
7261 |
325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114205 |
22460 |
1230 |
1153 |
99 |
0 |
0 |
0 |
| OW |
0 |
1352 |
790 |
1515 |
177 |
5 |
0 |
0 |
| VODI |
0 |
525 |
654 |
4425 |
1199 |
29 |
0 |
0 |
| ODI |
0 |
30 |
43 |
1986 |
7464 |
1153 |
2 |
0 |
| CDI |
0 |
4 |
11 |
141 |
4939 |
10778 |
605 |
0 |
| VCDI |
0 |
4 |
0 |
2 |
28 |
2497 |
7218 |
325 |
|
Date: 2023-08-19:
| 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 |
111120 |
25507 |
1250 |
1274 |
153 |
0 |
0 |
0 |
| OW |
2 |
1675 |
898 |
1492 |
180 |
10 |
0 |
0 |
| VODI |
0 |
617 |
719 |
4367 |
1133 |
79 |
0 |
0 |
| ODI |
0 |
32 |
37 |
1792 |
7052 |
1575 |
39 |
2 |
| CDI |
0 |
2 |
7 |
142 |
4662 |
10164 |
1621 |
55 |
| VCDI |
0 |
4 |
0 |
3 |
6 |
1114 |
7719 |
544 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111122 |
25670 |
1340 |
1494 |
174 |
0 |
0 |
0 |
| OW |
0 |
1505 |
847 |
1359 |
197 |
17 |
0 |
0 |
| VODI |
0 |
631 |
672 |
4062 |
1183 |
79 |
0 |
0 |
| ODI |
0 |
25 |
45 |
2003 |
6862 |
1591 |
74 |
2 |
| CDI |
0 |
2 |
7 |
149 |
4762 |
10052 |
1689 |
51 |
| VCDI |
0 |
4 |
0 |
3 |
8 |
1203 |
7616 |
548 |
|
Date: 2023-08-21:
| 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 |
114078 |
23956 |
1272 |
1224 |
78 |
0 |
0 |
0 |
| OW |
31 |
1540 |
675 |
1331 |
219 |
0 |
0 |
0 |
| VODI |
0 |
715 |
733 |
3651 |
1310 |
47 |
0 |
0 |
| ODI |
0 |
52 |
85 |
1979 |
5734 |
2334 |
166 |
0 |
| CDI |
0 |
3 |
15 |
193 |
3725 |
11121 |
2551 |
0 |
| VCDI |
0 |
4 |
0 |
1 |
2 |
1865 |
5659 |
699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114090 |
23772 |
1209 |
1212 |
82 |
0 |
0 |
0 |
| OW |
19 |
1694 |
764 |
1348 |
229 |
0 |
0 |
0 |
| VODI |
0 |
745 |
704 |
3751 |
1285 |
52 |
1 |
0 |
| ODI |
0 |
51 |
88 |
1872 |
5749 |
2429 |
276 |
0 |
| CDI |
0 |
4 |
15 |
196 |
3720 |
10895 |
2450 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
3 |
1991 |
5649 |
699 |
|
Date: 2023-08-23:
| 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 |
115687 |
23116 |
1134 |
1166 |
104 |
0 |
0 |
0 |
| OW |
49 |
1668 |
600 |
1218 |
217 |
0 |
0 |
0 |
| VODI |
14 |
1009 |
785 |
3302 |
1324 |
51 |
0 |
0 |
| ODI |
0 |
145 |
206 |
1833 |
5087 |
2387 |
221 |
0 |
| CDI |
0 |
6 |
27 |
254 |
3481 |
11995 |
3601 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
10 |
1857 |
4471 |
19 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115666 |
22905 |
1065 |
1136 |
112 |
0 |
0 |
0 |
| OW |
48 |
1918 |
702 |
1285 |
183 |
0 |
0 |
0 |
| VODI |
36 |
1031 |
793 |
3408 |
1186 |
57 |
0 |
0 |
| ODI |
0 |
87 |
168 |
1698 |
5207 |
2669 |
405 |
0 |
| CDI |
0 |
3 |
24 |
246 |
3531 |
11374 |
4166 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
4 |
2190 |
3722 |
19 |
|
Date: 2023-08-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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