Validation of sea ice concentration - American sector
Bulletin date: 2024-01-25
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-01-21:
| 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 |
6630 |
3008 |
45 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
226 |
66 |
248 |
3 |
0 |
0 |
0 |
| VODI |
0 |
30 |
15 |
257 |
172 |
4 |
0 |
0 |
| ODI |
0 |
4 |
0 |
54 |
255 |
82 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
146 |
532 |
114 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
302 |
3814 |
12809 |
32373 |
|
...date precedes bulletin
|
Date: 2024-01-23:
| 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 |
6150 |
3079 |
27 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
228 |
89 |
120 |
3 |
0 |
0 |
0 |
| VODI |
0 |
23 |
22 |
325 |
87 |
0 |
0 |
0 |
| ODI |
0 |
5 |
0 |
63 |
341 |
43 |
2 |
0 |
| CDI |
0 |
0 |
0 |
3 |
196 |
438 |
195 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
191 |
2769 |
10280 |
36521 |
|
...date precedes bulletin
|
Date: 2024-01-25:
| 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 |
5960 |
2988 |
29 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
289 |
64 |
78 |
17 |
0 |
0 |
0 |
| VODI |
0 |
27 |
57 |
293 |
64 |
2 |
0 |
0 |
| ODI |
0 |
2 |
1 |
126 |
252 |
70 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
243 |
462 |
218 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
2681 |
10561 |
36652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5960 |
3020 |
38 |
27 |
1 |
0 |
0 |
0 |
| OW |
0 |
248 |
59 |
87 |
15 |
0 |
0 |
0 |
| VODI |
0 |
35 |
53 |
260 |
75 |
4 |
0 |
0 |
| ODI |
0 |
3 |
1 |
139 |
239 |
97 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
225 |
472 |
226 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
2642 |
10553 |
36652 |
|
Date: 2024-01-27:
| 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 |
5471 |
3016 |
33 |
53 |
0 |
0 |
0 |
0 |
| OW |
0 |
282 |
121 |
109 |
24 |
0 |
0 |
0 |
| VODI |
0 |
17 |
21 |
359 |
66 |
22 |
0 |
0 |
| ODI |
0 |
0 |
1 |
71 |
289 |
60 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
267 |
341 |
225 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
2244 |
10568 |
37500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5471 |
3054 |
45 |
58 |
2 |
0 |
0 |
0 |
| OW |
0 |
242 |
98 |
122 |
29 |
0 |
0 |
0 |
| VODI |
0 |
19 |
32 |
322 |
68 |
20 |
0 |
0 |
| ODI |
0 |
0 |
1 |
89 |
262 |
74 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
267 |
369 |
197 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
81 |
2204 |
10596 |
37500 |
|
Date: 2024-01-29:
| 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 |
5136 |
3042 |
31 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
232 |
147 |
96 |
1 |
0 |
0 |
0 |
| VODI |
0 |
7 |
24 |
475 |
65 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
45 |
450 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
159 |
684 |
113 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
2145 |
8703 |
39577 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5136 |
3058 |
48 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
194 |
122 |
183 |
27 |
0 |
0 |
0 |
| VODI |
0 |
27 |
32 |
312 |
111 |
23 |
0 |
0 |
| ODI |
0 |
2 |
0 |
88 |
264 |
82 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
237 |
417 |
231 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
89 |
2345 |
8585 |
39573 |
|
Date: 2024-01-31:
| 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 |
5255 |
2804 |
15 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
379 |
82 |
83 |
2 |
0 |
0 |
0 |
| VODI |
0 |
61 |
98 |
330 |
55 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
117 |
294 |
47 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
159 |
555 |
174 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
2542 |
10474 |
37585 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5255 |
2853 |
34 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
342 |
71 |
98 |
19 |
0 |
0 |
0 |
| VODI |
0 |
48 |
88 |
262 |
78 |
27 |
0 |
0 |
| ODI |
0 |
1 |
2 |
134 |
226 |
64 |
13 |
0 |
| CDI |
0 |
0 |
0 |
27 |
156 |
371 |
212 |
24 |
| VCDI |
0 |
0 |
0 |
1 |
116 |
2684 |
10423 |
37575 |
|
Date: 2024-02-02:
| 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 |
5269 |
2745 |
50 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
403 |
81 |
91 |
0 |
0 |
0 |
0 |
| VODI |
0 |
55 |
88 |
375 |
44 |
0 |
0 |
0 |
| ODI |
0 |
0 |
4 |
129 |
285 |
20 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
279 |
441 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
151 |
3427 |
10041 |
37149 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5269 |
2883 |
35 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
283 |
118 |
118 |
5 |
0 |
0 |
0 |
| VODI |
0 |
33 |
64 |
342 |
70 |
1 |
0 |
0 |
| ODI |
0 |
3 |
6 |
142 |
225 |
59 |
5 |
0 |
| CDI |
0 |
1 |
0 |
33 |
277 |
387 |
118 |
17 |
| VCDI |
0 |
0 |
0 |
2 |
182 |
3441 |
9946 |
37132 |
|
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