Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-18:
| 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 |
110395 |
26041 |
1429 |
1226 |
21 |
0 |
0 |
0 |
| OW |
16 |
965 |
807 |
2313 |
86 |
0 |
0 |
0 |
| VODI |
0 |
271 |
267 |
5443 |
975 |
4 |
0 |
0 |
| ODI |
0 |
8 |
3 |
1207 |
8262 |
1029 |
17 |
0 |
| CDI |
0 |
0 |
0 |
28 |
3864 |
11711 |
953 |
15 |
| VCDI |
0 |
4 |
0 |
0 |
13 |
1605 |
5505 |
2565 |
|
...date precedes bulletin
|
Date: 2023-08-20:
| 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 |
114156 |
23321 |
1140 |
928 |
6 |
0 |
0 |
0 |
| OW |
44 |
1445 |
845 |
1839 |
104 |
1 |
0 |
0 |
| VODI |
29 |
304 |
429 |
4746 |
1416 |
27 |
0 |
0 |
| ODI |
0 |
5 |
7 |
1257 |
7068 |
2034 |
97 |
0 |
| CDI |
0 |
0 |
0 |
59 |
2979 |
9755 |
4052 |
10 |
| VCDI |
0 |
4 |
0 |
3 |
10 |
413 |
5407 |
3108 |
|
...date precedes bulletin
|
Date: 2023-08-22:
| 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 |
116190 |
23936 |
1601 |
1213 |
2 |
0 |
0 |
0 |
| OW |
5 |
275 |
644 |
2053 |
42 |
0 |
0 |
0 |
| VODI |
0 |
16 |
65 |
4738 |
976 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
355 |
7833 |
499 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
2064 |
11780 |
2242 |
19 |
| VCDI |
0 |
3 |
1 |
0 |
3 |
763 |
7074 |
2644 |
|
...date precedes bulletin
|
Date: 2023-08-24:
| 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 |
118583 |
22300 |
1348 |
1366 |
20 |
0 |
0 |
0 |
| OW |
5 |
529 |
733 |
2012 |
94 |
0 |
0 |
0 |
| VODI |
0 |
22 |
87 |
3836 |
1171 |
7 |
0 |
0 |
| ODI |
0 |
0 |
2 |
646 |
6933 |
551 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
2822 |
12184 |
2477 |
0 |
| VCDI |
0 |
3 |
1 |
0 |
2 |
2652 |
6392 |
264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118584 |
22428 |
1419 |
1471 |
27 |
0 |
0 |
0 |
| OW |
4 |
390 |
613 |
1823 |
93 |
0 |
0 |
0 |
| VODI |
0 |
33 |
135 |
3783 |
1164 |
3 |
0 |
0 |
| ODI |
0 |
0 |
3 |
776 |
6786 |
602 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
2970 |
12106 |
2621 |
0 |
| VCDI |
0 |
3 |
1 |
0 |
2 |
2683 |
6248 |
264 |
|
Date: 2023-08-26:
| 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 |
116798 |
24924 |
1177 |
1116 |
19 |
0 |
0 |
0 |
| OW |
2 |
758 |
803 |
1939 |
66 |
0 |
0 |
0 |
| VODI |
0 |
31 |
128 |
3374 |
1340 |
19 |
0 |
0 |
| ODI |
0 |
0 |
3 |
776 |
6409 |
684 |
0 |
0 |
| CDI |
0 |
1 |
1 |
23 |
3724 |
12186 |
1953 |
0 |
| VCDI |
0 |
2 |
0 |
0 |
18 |
5098 |
3676 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116798 |
25011 |
1340 |
1281 |
19 |
0 |
0 |
0 |
| OW |
2 |
631 |
534 |
1654 |
71 |
0 |
0 |
0 |
| VODI |
0 |
71 |
230 |
3342 |
1304 |
12 |
0 |
0 |
| ODI |
0 |
0 |
7 |
919 |
6246 |
736 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
3915 |
12032 |
2036 |
0 |
| VCDI |
0 |
3 |
1 |
0 |
21 |
5207 |
3593 |
0 |
|
Date: 2023-08-28:
| 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 |
120819 |
22492 |
1274 |
630 |
11 |
0 |
0 |
0 |
| OW |
0 |
122 |
687 |
1778 |
27 |
0 |
0 |
0 |
| VODI |
0 |
0 |
7 |
4349 |
651 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
389 |
9654 |
424 |
0 |
0 |
| CDI |
0 |
2 |
1 |
24 |
3555 |
12728 |
420 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
28 |
1906 |
5045 |
23 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120817 |
21877 |
1199 |
945 |
29 |
0 |
0 |
0 |
| OW |
2 |
647 |
569 |
1603 |
58 |
0 |
0 |
0 |
| VODI |
0 |
88 |
191 |
3349 |
1312 |
27 |
0 |
0 |
| ODI |
0 |
2 |
9 |
1207 |
5629 |
730 |
0 |
0 |
| CDI |
0 |
0 |
0 |
66 |
6434 |
9315 |
2173 |
12 |
| VCDI |
0 |
3 |
1 |
0 |
464 |
4987 |
3292 |
11 |
|
Date: 2023-08-30:
| 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 |
123114 |
21156 |
1018 |
572 |
12 |
0 |
0 |
0 |
| OW |
0 |
564 |
678 |
1328 |
33 |
0 |
0 |
0 |
| VODI |
0 |
0 |
35 |
4049 |
557 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
976 |
8801 |
278 |
0 |
0 |
| CDI |
0 |
5 |
1 |
30 |
5083 |
11205 |
581 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
61 |
3032 |
3876 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123112 |
20262 |
898 |
858 |
34 |
0 |
0 |
0 |
| OW |
2 |
1024 |
453 |
1247 |
67 |
1 |
0 |
0 |
| VODI |
0 |
430 |
361 |
3029 |
1227 |
47 |
0 |
0 |
| ODI |
0 |
4 |
19 |
1687 |
5108 |
561 |
2 |
0 |
| CDI |
0 |
4 |
0 |
134 |
7585 |
8395 |
1212 |
0 |
| VCDI |
0 |
2 |
1 |
0 |
526 |
5513 |
3243 |
0 |
|
Date: 2023-09-01:
| 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 |
124544 |
20256 |
689 |
498 |
33 |
0 |
0 |
0 |
| OW |
0 |
1006 |
655 |
1105 |
47 |
0 |
0 |
0 |
| VODI |
0 |
22 |
159 |
3528 |
847 |
1 |
0 |
0 |
| ODI |
0 |
2 |
1 |
1106 |
7628 |
875 |
0 |
0 |
| CDI |
0 |
5 |
2 |
59 |
4785 |
11199 |
879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
134 |
2835 |
4148 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124543 |
19129 |
655 |
816 |
64 |
0 |
0 |
0 |
| OW |
1 |
1401 |
381 |
934 |
111 |
0 |
0 |
0 |
| VODI |
0 |
744 |
431 |
2544 |
1263 |
73 |
0 |
0 |
| ODI |
0 |
11 |
36 |
1705 |
4509 |
927 |
0 |
0 |
| CDI |
0 |
5 |
3 |
297 |
6481 |
8567 |
1469 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
1046 |
5343 |
3558 |
0 |
|
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