Validation of sea ice concentration - American sector
Bulletin date: 2022-08-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-29:
| 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 |
935 |
11685 |
2629 |
1567 |
198 |
0 |
0 |
0 |
| OW |
0 |
110 |
174 |
655 |
111 |
4 |
0 |
0 |
| VODI |
0 |
48 |
51 |
768 |
639 |
51 |
0 |
0 |
| ODI |
0 |
12 |
2 |
661 |
1856 |
878 |
77 |
0 |
| CDI |
0 |
1 |
3 |
317 |
3281 |
4635 |
2485 |
0 |
| VCDI |
0 |
4 |
0 |
47 |
29 |
3595 |
8114 |
244 |
|
...date precedes bulletin
|
Date: 2022-07-31:
| 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 |
4308 |
9711 |
1729 |
1405 |
119 |
0 |
0 |
0 |
| OW |
0 |
123 |
217 |
640 |
115 |
7 |
0 |
0 |
| VODI |
0 |
37 |
69 |
887 |
642 |
96 |
0 |
0 |
| ODI |
0 |
4 |
9 |
659 |
1841 |
734 |
19 |
0 |
| CDI |
0 |
1 |
1 |
304 |
2884 |
5938 |
854 |
0 |
| VCDI |
0 |
4 |
4 |
70 |
95 |
3409 |
8217 |
714 |
|
...date precedes bulletin
|
Date: 2022-08-02:
| 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 |
3244 |
11572 |
1774 |
1264 |
71 |
0 |
0 |
0 |
| OW |
0 |
112 |
185 |
604 |
125 |
2 |
0 |
0 |
| VODI |
0 |
43 |
103 |
1236 |
691 |
55 |
0 |
0 |
| ODI |
0 |
14 |
2 |
506 |
2494 |
536 |
2 |
0 |
| CDI |
0 |
30 |
22 |
119 |
2819 |
6020 |
180 |
0 |
| VCDI |
0 |
5 |
1 |
2 |
17 |
3639 |
6919 |
1458 |
|
...date precedes bulletin
|
Date: 2022-08-04:
| 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 |
2817 |
12152 |
2216 |
1101 |
51 |
0 |
0 |
0 |
| OW |
0 |
115 |
197 |
806 |
133 |
2 |
0 |
0 |
| VODI |
0 |
38 |
126 |
1309 |
583 |
29 |
0 |
0 |
| ODI |
0 |
38 |
17 |
522 |
2434 |
249 |
0 |
0 |
| CDI |
0 |
58 |
13 |
119 |
3189 |
6194 |
175 |
0 |
| VCDI |
0 |
5 |
0 |
4 |
11 |
3716 |
6415 |
1032 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2817 |
12173 |
2244 |
1155 |
54 |
0 |
0 |
0 |
| OW |
0 |
94 |
146 |
684 |
149 |
1 |
0 |
0 |
| VODI |
0 |
37 |
145 |
1354 |
585 |
30 |
0 |
0 |
| ODI |
0 |
42 |
19 |
524 |
2402 |
267 |
0 |
0 |
| CDI |
0 |
55 |
15 |
140 |
3199 |
6098 |
146 |
0 |
| VCDI |
0 |
5 |
0 |
4 |
12 |
3794 |
6444 |
1032 |
|
Date: 2022-08-06:
| 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 |
6204 |
9854 |
1609 |
920 |
63 |
1 |
0 |
0 |
| OW |
0 |
124 |
262 |
798 |
173 |
4 |
0 |
0 |
| VODI |
0 |
50 |
156 |
1168 |
575 |
97 |
0 |
0 |
| ODI |
0 |
43 |
28 |
663 |
2032 |
418 |
0 |
0 |
| CDI |
0 |
40 |
15 |
289 |
4525 |
5286 |
408 |
0 |
| VCDI |
0 |
7 |
0 |
5 |
35 |
4143 |
5871 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6204 |
9871 |
1615 |
1006 |
89 |
3 |
0 |
0 |
| OW |
0 |
99 |
227 |
687 |
169 |
2 |
0 |
0 |
| VODI |
0 |
57 |
183 |
1171 |
558 |
106 |
0 |
0 |
| ODI |
0 |
55 |
30 |
659 |
2027 |
380 |
0 |
0 |
| CDI |
0 |
30 |
15 |
315 |
4526 |
5233 |
390 |
0 |
| VCDI |
0 |
6 |
0 |
5 |
34 |
4225 |
5889 |
0 |
|
Date: 2022-08-08:
| 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 |
4568 |
11440 |
2006 |
972 |
43 |
0 |
0 |
0 |
| OW |
0 |
75 |
306 |
736 |
92 |
10 |
0 |
0 |
| VODI |
0 |
21 |
120 |
1314 |
611 |
50 |
9 |
0 |
| ODI |
0 |
2 |
11 |
603 |
4587 |
380 |
18 |
0 |
| CDI |
0 |
1 |
0 |
27 |
2725 |
5232 |
182 |
0 |
| VCDI |
0 |
7 |
1 |
2 |
9 |
2064 |
6312 |
1330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4559 |
11346 |
2022 |
1085 |
92 |
3 |
0 |
0 |
| OW |
9 |
63 |
200 |
653 |
167 |
30 |
11 |
0 |
| VODI |
0 |
52 |
147 |
1002 |
746 |
183 |
18 |
0 |
| ODI |
0 |
77 |
66 |
564 |
2220 |
349 |
3 |
0 |
| CDI |
0 |
2 |
8 |
348 |
4791 |
4407 |
375 |
21 |
| VCDI |
0 |
6 |
1 |
2 |
51 |
2764 |
6114 |
1309 |
|
Date: 2022-08-10:
| 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 |
5628 |
10628 |
2158 |
941 |
47 |
0 |
0 |
0 |
| OW |
0 |
43 |
327 |
825 |
113 |
0 |
0 |
0 |
| VODI |
0 |
15 |
133 |
1352 |
664 |
29 |
0 |
0 |
| ODI |
0 |
3 |
15 |
1110 |
3724 |
411 |
0 |
0 |
| CDI |
0 |
2 |
0 |
122 |
2337 |
4734 |
1090 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
8 |
1009 |
6383 |
2006 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5623 |
10547 |
2160 |
943 |
91 |
0 |
0 |
0 |
| OW |
5 |
53 |
196 |
666 |
170 |
35 |
0 |
0 |
| VODI |
0 |
55 |
145 |
1063 |
805 |
134 |
0 |
0 |
| ODI |
0 |
34 |
94 |
803 |
1882 |
292 |
9 |
0 |
| CDI |
0 |
3 |
38 |
875 |
3908 |
4212 |
1352 |
26 |
| VCDI |
0 |
5 |
0 |
3 |
37 |
1510 |
6112 |
1980 |
|
Date: 2022-08-12:
| 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 |
6820 |
10409 |
1469 |
924 |
57 |
0 |
0 |
0 |
| OW |
3 |
93 |
370 |
792 |
105 |
0 |
0 |
0 |
| VODI |
2 |
45 |
147 |
1545 |
523 |
25 |
0 |
0 |
| ODI |
0 |
10 |
21 |
1314 |
3310 |
197 |
0 |
0 |
| CDI |
0 |
2 |
1 |
215 |
2308 |
5593 |
901 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
20 |
2056 |
6275 |
305 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6812 |
10296 |
1374 |
837 |
112 |
0 |
0 |
0 |
| OW |
10 |
110 |
247 |
622 |
97 |
35 |
0 |
0 |
| VODI |
3 |
106 |
198 |
1140 |
689 |
52 |
0 |
0 |
| ODI |
0 |
44 |
103 |
1081 |
1770 |
255 |
11 |
0 |
| CDI |
0 |
3 |
86 |
1111 |
3631 |
5870 |
1311 |
0 |
| VCDI |
0 |
6 |
0 |
2 |
24 |
1659 |
5854 |
305 |
|
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