Validation of sea ice concentration - American sector
Bulletin date: 2022-09-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-26:
| 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 |
15151 |
7491 |
51 |
128 |
4 |
0 |
0 |
0 |
| OW |
0 |
1258 |
56 |
263 |
2 |
0 |
0 |
0 |
| VODI |
0 |
522 |
74 |
1786 |
174 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
464 |
2083 |
116 |
0 |
0 |
| CDI |
0 |
2 |
0 |
11 |
1825 |
3944 |
510 |
0 |
| VCDI |
0 |
2 |
0 |
5 |
25 |
1240 |
5815 |
2863 |
|
...date precedes bulletin
|
Date: 2022-08-28:
| 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 |
15265 |
7501 |
50 |
155 |
13 |
0 |
0 |
0 |
| OW |
7 |
1334 |
43 |
268 |
3 |
0 |
0 |
0 |
| VODI |
0 |
827 |
90 |
1419 |
110 |
11 |
0 |
0 |
| ODI |
0 |
3 |
2 |
748 |
1802 |
114 |
32 |
0 |
| CDI |
0 |
3 |
0 |
27 |
2254 |
3581 |
366 |
15 |
| VCDI |
0 |
1 |
0 |
1 |
24 |
1439 |
5542 |
2816 |
|
...date precedes bulletin
|
Date: 2022-08-30:
| 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 |
15719 |
8911 |
55 |
107 |
16 |
0 |
0 |
0 |
| OW |
0 |
778 |
70 |
275 |
5 |
0 |
0 |
0 |
| VODI |
0 |
380 |
66 |
1659 |
137 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
437 |
2797 |
156 |
26 |
0 |
| CDI |
0 |
1 |
2 |
8 |
798 |
3008 |
593 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
3061 |
4577 |
2196 |
|
...date precedes bulletin
|
Date: 2022-09-01:
| 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 |
15597 |
9259 |
56 |
117 |
32 |
1 |
0 |
0 |
| OW |
5 |
861 |
48 |
214 |
7 |
0 |
0 |
0 |
| VODI |
0 |
610 |
87 |
1279 |
99 |
21 |
0 |
0 |
| ODI |
0 |
5 |
0 |
826 |
2152 |
258 |
0 |
0 |
| CDI |
0 |
1 |
2 |
25 |
1217 |
2434 |
414 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
3483 |
4509 |
2212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15589 |
9463 |
63 |
153 |
32 |
1 |
0 |
0 |
| OW |
13 |
746 |
47 |
188 |
6 |
0 |
0 |
0 |
| VODI |
0 |
524 |
81 |
1396 |
168 |
26 |
0 |
0 |
| ODI |
0 |
2 |
0 |
711 |
2226 |
254 |
0 |
0 |
| CDI |
0 |
1 |
2 |
13 |
1072 |
2455 |
307 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
3461 |
4616 |
2212 |
|
Date: 2022-09-03:
| 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 |
16477 |
8422 |
73 |
227 |
33 |
1 |
0 |
0 |
| OW |
0 |
993 |
36 |
226 |
11 |
0 |
0 |
0 |
| VODI |
0 |
823 |
83 |
860 |
154 |
32 |
0 |
0 |
| ODI |
0 |
2 |
2 |
1048 |
1470 |
483 |
8 |
0 |
| CDI |
0 |
1 |
2 |
70 |
1435 |
2069 |
595 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
3862 |
4888 |
1407 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16477 |
8592 |
77 |
270 |
33 |
1 |
0 |
0 |
| OW |
0 |
959 |
31 |
208 |
20 |
4 |
0 |
0 |
| VODI |
0 |
689 |
86 |
1046 |
161 |
30 |
0 |
0 |
| ODI |
0 |
0 |
0 |
849 |
1553 |
344 |
8 |
0 |
| CDI |
0 |
1 |
2 |
58 |
1296 |
2102 |
513 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
3966 |
4970 |
1407 |
|
Date: 2022-09-05:
| 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 |
18000 |
8555 |
65 |
175 |
33 |
2 |
0 |
0 |
| OW |
0 |
643 |
61 |
295 |
1 |
0 |
0 |
0 |
| VODI |
0 |
99 |
36 |
1496 |
120 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
389 |
1998 |
126 |
3 |
0 |
| CDI |
0 |
2 |
1 |
12 |
916 |
2967 |
219 |
7 |
| VCDI |
0 |
0 |
0 |
1 |
108 |
3764 |
4607 |
1164 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17977 |
7387 |
57 |
194 |
34 |
3 |
0 |
0 |
| OW |
23 |
1013 |
25 |
205 |
20 |
12 |
0 |
0 |
| VODI |
0 |
856 |
55 |
724 |
151 |
39 |
0 |
0 |
| ODI |
0 |
41 |
25 |
1105 |
1246 |
148 |
3 |
0 |
| CDI |
0 |
2 |
1 |
139 |
1464 |
1990 |
241 |
28 |
| VCDI |
0 |
0 |
0 |
1 |
261 |
4668 |
4585 |
1143 |
|
Date: 2022-09-07:
| 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 |
18540 |
7681 |
99 |
513 |
74 |
0 |
0 |
0 |
| OW |
0 |
604 |
33 |
295 |
74 |
0 |
0 |
0 |
| VODI |
0 |
181 |
47 |
1030 |
342 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
522 |
1336 |
465 |
9 |
0 |
| CDI |
0 |
1 |
2 |
14 |
1206 |
2077 |
1082 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
16 |
4249 |
4081 |
1239 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18529 |
6805 |
70 |
358 |
36 |
4 |
0 |
0 |
| OW |
11 |
832 |
29 |
263 |
67 |
24 |
0 |
0 |
| VODI |
0 |
714 |
52 |
604 |
279 |
39 |
13 |
0 |
| ODI |
0 |
113 |
27 |
905 |
1196 |
235 |
26 |
0 |
| CDI |
0 |
3 |
3 |
246 |
1451 |
1798 |
706 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
4743 |
4427 |
1234 |
|
Date: 2022-09-09:
| 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 |
18239 |
8129 |
89 |
384 |
48 |
5 |
0 |
0 |
| OW |
0 |
773 |
40 |
349 |
7 |
0 |
0 |
0 |
| VODI |
0 |
224 |
43 |
905 |
431 |
21 |
0 |
0 |
| ODI |
0 |
0 |
2 |
487 |
922 |
637 |
12 |
0 |
| CDI |
0 |
2 |
1 |
41 |
1772 |
1744 |
1008 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
67 |
4081 |
4642 |
757 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18228 |
7110 |
58 |
241 |
53 |
7 |
0 |
0 |
| OW |
11 |
920 |
31 |
275 |
35 |
24 |
0 |
0 |
| VODI |
0 |
818 |
36 |
475 |
248 |
32 |
18 |
0 |
| ODI |
0 |
255 |
40 |
782 |
961 |
299 |
35 |
0 |
| CDI |
0 |
25 |
11 |
396 |
1793 |
1379 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
157 |
4747 |
5062 |
757 |
|
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