Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-04:
| 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 |
104810 |
21963 |
1104 |
1579 |
98 |
0 |
0 |
0 |
| OW |
0 |
409 |
609 |
3391 |
259 |
0 |
0 |
0 |
| VODI |
0 |
18 |
45 |
5937 |
3311 |
14 |
0 |
0 |
| ODI |
0 |
0 |
1 |
327 |
10027 |
1674 |
7 |
0 |
| CDI |
0 |
0 |
0 |
51 |
2298 |
14275 |
2951 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
2280 |
6963 |
2620 |
|
...date precedes bulletin
|
Date: 2023-08-06:
| 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 |
107454 |
20439 |
1196 |
1433 |
79 |
0 |
0 |
0 |
| OW |
0 |
915 |
747 |
3219 |
321 |
0 |
0 |
0 |
| VODI |
0 |
67 |
183 |
5714 |
3218 |
12 |
0 |
0 |
| ODI |
0 |
0 |
1 |
585 |
8467 |
2151 |
1 |
0 |
| CDI |
0 |
0 |
0 |
61 |
2681 |
15124 |
2229 |
96 |
| VCDI |
0 |
0 |
0 |
3 |
24 |
3695 |
6314 |
619 |
|
...date precedes bulletin
|
Date: 2023-08-08:
| 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 |
108709 |
21176 |
1382 |
1460 |
75 |
0 |
0 |
0 |
| OW |
0 |
309 |
553 |
2422 |
118 |
0 |
0 |
0 |
| VODI |
0 |
14 |
43 |
6397 |
1837 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
299 |
11017 |
1374 |
1 |
0 |
| CDI |
0 |
0 |
0 |
44 |
2669 |
14574 |
2275 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
21 |
1344 |
4950 |
3983 |
|
...date precedes bulletin
|
Date: 2023-08-10:
| 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 |
109969 |
21109 |
1228 |
1436 |
50 |
0 |
0 |
0 |
| OW |
0 |
587 |
780 |
2434 |
183 |
0 |
0 |
0 |
| VODI |
0 |
40 |
140 |
6047 |
1855 |
29 |
0 |
0 |
| ODI |
0 |
0 |
1 |
520 |
9215 |
2675 |
261 |
0 |
| CDI |
0 |
0 |
0 |
43 |
2761 |
13962 |
2178 |
5 |
| VCDI |
0 |
0 |
0 |
1 |
28 |
1259 |
5734 |
2518 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109969 |
21214 |
1336 |
1612 |
49 |
0 |
0 |
0 |
| OW |
0 |
476 |
687 |
2391 |
196 |
0 |
0 |
0 |
| VODI |
0 |
46 |
125 |
5610 |
1757 |
39 |
0 |
0 |
| ODI |
0 |
0 |
1 |
826 |
9081 |
2506 |
269 |
0 |
| CDI |
0 |
0 |
0 |
41 |
2981 |
14082 |
2174 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
28 |
1298 |
5730 |
2521 |
|
Date: 2023-08-12:
| 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 |
113067 |
19008 |
998 |
1436 |
53 |
0 |
0 |
0 |
| OW |
2 |
1005 |
728 |
2672 |
257 |
2 |
0 |
0 |
| VODI |
0 |
180 |
306 |
5459 |
1653 |
102 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1307 |
8241 |
2679 |
395 |
0 |
| CDI |
0 |
0 |
0 |
75 |
3590 |
12553 |
2000 |
15 |
| VCDI |
0 |
0 |
0 |
5 |
19 |
1225 |
6482 |
1534 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113068 |
19243 |
1088 |
1635 |
70 |
0 |
0 |
0 |
| OW |
1 |
738 |
603 |
2626 |
233 |
0 |
0 |
0 |
| VODI |
0 |
211 |
341 |
5029 |
1719 |
94 |
0 |
0 |
| ODI |
0 |
1 |
0 |
1588 |
7963 |
2635 |
358 |
0 |
| CDI |
0 |
0 |
0 |
71 |
3809 |
12601 |
1987 |
12 |
| VCDI |
0 |
0 |
0 |
5 |
19 |
1231 |
6532 |
1537 |
|
Date: 2023-08-14:
| 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 |
113821 |
21073 |
1195 |
837 |
19 |
0 |
0 |
0 |
| OW |
0 |
275 |
959 |
2250 |
61 |
0 |
0 |
0 |
| VODI |
0 |
4 |
10 |
6959 |
966 |
30 |
0 |
0 |
| ODI |
0 |
0 |
0 |
496 |
10629 |
476 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
1787 |
13983 |
536 |
4 |
| VCDI |
0 |
0 |
0 |
4 |
20 |
889 |
6927 |
2829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113821 |
19422 |
1043 |
1491 |
57 |
0 |
0 |
0 |
| OW |
0 |
1417 |
695 |
2336 |
242 |
6 |
0 |
0 |
| VODI |
0 |
513 |
425 |
4375 |
1600 |
141 |
0 |
0 |
| ODI |
0 |
0 |
1 |
2247 |
7330 |
2700 |
103 |
0 |
| CDI |
0 |
0 |
0 |
102 |
4208 |
11626 |
1562 |
9 |
| VCDI |
0 |
0 |
0 |
4 |
45 |
905 |
5798 |
2824 |
|
Date: 2023-08-16:
| 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 |
113492 |
22544 |
1365 |
1094 |
24 |
0 |
0 |
0 |
| OW |
23 |
492 |
714 |
2681 |
77 |
0 |
0 |
0 |
| VODI |
0 |
202 |
149 |
5698 |
1058 |
16 |
0 |
0 |
| ODI |
0 |
11 |
6 |
909 |
9096 |
885 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
3130 |
12250 |
851 |
28 |
| VCDI |
0 |
0 |
0 |
4 |
46 |
865 |
6818 |
2491 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113509 |
20545 |
993 |
1459 |
79 |
2 |
0 |
0 |
| OW |
6 |
1907 |
754 |
2106 |
188 |
22 |
0 |
0 |
| VODI |
0 |
750 |
456 |
4153 |
1407 |
155 |
0 |
0 |
| ODI |
0 |
26 |
27 |
2587 |
6712 |
2569 |
66 |
0 |
| CDI |
0 |
21 |
4 |
106 |
5012 |
10560 |
1398 |
81 |
| VCDI |
0 |
0 |
0 |
4 |
33 |
708 |
6205 |
2438 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110396 |
24172 |
1177 |
1594 |
77 |
0 |
0 |
0 |
| OW |
15 |
1968 |
792 |
1824 |
276 |
8 |
0 |
0 |
| VODI |
0 |
1085 |
461 |
3826 |
1286 |
221 |
51 |
0 |
| ODI |
0 |
44 |
66 |
2888 |
5912 |
2564 |
185 |
0 |
| CDI |
0 |
16 |
10 |
83 |
5653 |
10218 |
1465 |
71 |
| VCDI |
0 |
4 |
0 |
2 |
17 |
1338 |
4774 |
2509 |
|
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