Validation of sea ice concentration - American sector
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
6667 |
2691 |
59 |
84 |
0 |
0 |
0 |
0 |
| OW |
14 |
211 |
67 |
197 |
34 |
0 |
0 |
0 |
| VODI |
5 |
6 |
10 |
306 |
355 |
38 |
0 |
0 |
| ODI |
0 |
0 |
0 |
72 |
526 |
182 |
0 |
0 |
| CDI |
0 |
1 |
0 |
0 |
370 |
972 |
207 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
941 |
4994 |
12686 |
29530 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
6900 |
2505 |
56 |
54 |
0 |
0 |
0 |
0 |
| OW |
9 |
264 |
55 |
144 |
15 |
0 |
0 |
0 |
| VODI |
4 |
48 |
42 |
244 |
194 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
434 |
215 |
14 |
0 |
| CDI |
0 |
1 |
0 |
0 |
227 |
628 |
153 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
1013 |
5079 |
14421 |
28467 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
7292 |
2486 |
61 |
37 |
0 |
0 |
0 |
0 |
| OW |
12 |
284 |
77 |
131 |
22 |
0 |
0 |
0 |
| VODI |
5 |
15 |
36 |
249 |
233 |
19 |
0 |
0 |
| ODI |
1 |
4 |
0 |
65 |
256 |
107 |
3 |
0 |
| CDI |
0 |
2 |
0 |
3 |
183 |
665 |
304 |
27 |
| VCDI |
0 |
0 |
0 |
2 |
855 |
4343 |
13919 |
29533 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
7168 |
2607 |
44 |
113 |
0 |
0 |
0 |
0 |
| OW |
11 |
252 |
37 |
157 |
40 |
0 |
0 |
0 |
| VODI |
1 |
30 |
8 |
195 |
232 |
36 |
0 |
0 |
| ODI |
0 |
7 |
0 |
48 |
248 |
110 |
0 |
0 |
| CDI |
0 |
1 |
0 |
8 |
171 |
677 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
549 |
4563 |
13973 |
29880 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7168 |
2668 |
53 |
136 |
0 |
0 |
0 |
0 |
| OW |
12 |
181 |
23 |
145 |
53 |
0 |
0 |
0 |
| VODI |
0 |
39 |
12 |
173 |
199 |
40 |
0 |
0 |
| ODI |
0 |
8 |
1 |
58 |
257 |
100 |
0 |
0 |
| CDI |
0 |
1 |
0 |
8 |
171 |
659 |
58 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
560 |
4587 |
13977 |
29880 |
|
Date: 2024-01-13:
| 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 |
7519 |
2458 |
46 |
45 |
0 |
0 |
0 |
0 |
| OW |
10 |
226 |
61 |
132 |
42 |
3 |
0 |
0 |
| VODI |
2 |
33 |
19 |
208 |
191 |
31 |
0 |
0 |
| ODI |
1 |
10 |
1 |
46 |
341 |
112 |
8 |
0 |
| CDI |
0 |
4 |
0 |
17 |
291 |
546 |
146 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
1504 |
5798 |
14173 |
27191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7520 |
2498 |
50 |
57 |
0 |
0 |
0 |
0 |
| OW |
9 |
175 |
45 |
121 |
49 |
3 |
0 |
0 |
| VODI |
3 |
42 |
30 |
187 |
156 |
30 |
0 |
0 |
| ODI |
0 |
11 |
2 |
64 |
343 |
96 |
6 |
0 |
| CDI |
0 |
5 |
0 |
17 |
327 |
553 |
161 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
1494 |
5808 |
14160 |
27191 |
|
Date: 2024-01-15:
| 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 |
8105 |
2083 |
39 |
13 |
0 |
0 |
0 |
0 |
| OW |
10 |
177 |
77 |
116 |
5 |
0 |
0 |
0 |
| VODI |
3 |
19 |
3 |
155 |
158 |
2 |
0 |
0 |
| ODI |
0 |
4 |
1 |
28 |
385 |
67 |
0 |
0 |
| CDI |
0 |
2 |
1 |
31 |
329 |
925 |
30 |
4 |
| VCDI |
0 |
0 |
0 |
66 |
1496 |
5908 |
12917 |
28072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8106 |
2004 |
28 |
36 |
8 |
0 |
0 |
0 |
| OW |
8 |
188 |
36 |
64 |
34 |
5 |
0 |
0 |
| VODI |
4 |
74 |
54 |
114 |
111 |
43 |
1 |
0 |
| ODI |
0 |
15 |
2 |
84 |
310 |
132 |
23 |
0 |
| CDI |
0 |
2 |
0 |
25 |
322 |
694 |
104 |
2 |
| VCDI |
0 |
2 |
1 |
86 |
1588 |
6028 |
12819 |
28074 |
|
Date: 2024-01-17:
| 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 |
7819 |
2490 |
56 |
47 |
0 |
0 |
0 |
0 |
| OW |
9 |
183 |
53 |
116 |
13 |
0 |
0 |
0 |
| VODI |
2 |
48 |
26 |
108 |
106 |
11 |
0 |
0 |
| ODI |
0 |
7 |
1 |
43 |
152 |
94 |
11 |
0 |
| CDI |
0 |
0 |
1 |
13 |
161 |
766 |
236 |
7 |
| VCDI |
0 |
0 |
0 |
14 |
837 |
5962 |
12360 |
29479 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7817 |
2259 |
34 |
71 |
18 |
0 |
0 |
0 |
| OW |
10 |
230 |
25 |
42 |
34 |
4 |
0 |
0 |
| VODI |
3 |
176 |
45 |
70 |
51 |
37 |
5 |
0 |
| ODI |
0 |
53 |
28 |
107 |
67 |
86 |
59 |
0 |
| CDI |
0 |
10 |
5 |
41 |
196 |
620 |
173 |
6 |
| VCDI |
0 |
0 |
0 |
10 |
903 |
6086 |
12370 |
29480 |
|
Date: 2024-01-19:
| 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 |
7547 |
2650 |
48 |
49 |
0 |
0 |
0 |
0 |
| OW |
5 |
205 |
50 |
149 |
27 |
0 |
0 |
0 |
| VODI |
3 |
59 |
26 |
147 |
121 |
21 |
0 |
0 |
| ODI |
2 |
13 |
5 |
54 |
118 |
111 |
9 |
0 |
| CDI |
0 |
12 |
0 |
17 |
162 |
298 |
95 |
14 |
| VCDI |
0 |
0 |
0 |
25 |
759 |
5175 |
11404 |
31851 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7532 |
2459 |
36 |
37 |
11 |
0 |
0 |
0 |
| OW |
6 |
239 |
30 |
68 |
25 |
3 |
0 |
0 |
| VODI |
5 |
166 |
36 |
134 |
48 |
32 |
0 |
0 |
| ODI |
7 |
57 |
26 |
103 |
82 |
41 |
33 |
0 |
| CDI |
7 |
18 |
1 |
70 |
156 |
284 |
106 |
3 |
| VCDI |
0 |
0 |
0 |
29 |
865 |
5245 |
11369 |
31862 |
|
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