Validation of sea ice concentration - American sector
Bulletin date: 2024-02-08
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-02-04:
| 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 |
5504 |
2585 |
50 |
72 |
0 |
0 |
0 |
0 |
| OW |
0 |
417 |
56 |
116 |
2 |
0 |
0 |
0 |
| VODI |
0 |
90 |
91 |
309 |
64 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
124 |
234 |
26 |
1 |
0 |
| CDI |
0 |
0 |
0 |
26 |
240 |
280 |
78 |
1 |
| VCDI |
0 |
0 |
0 |
1 |
346 |
3599 |
10083 |
36832 |
|
...date precedes bulletin
|
Date: 2024-02-06:
| 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 |
5640 |
2817 |
31 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
338 |
117 |
116 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
24 |
330 |
139 |
6 |
0 |
0 |
| ODI |
0 |
3 |
4 |
54 |
193 |
55 |
0 |
0 |
| CDI |
0 |
4 |
2 |
23 |
155 |
347 |
26 |
14 |
| VCDI |
0 |
0 |
1 |
15 |
207 |
3134 |
8316 |
39096 |
|
...date precedes bulletin
|
Date: 2024-02-08:
| 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 |
6174 |
2517 |
6 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
379 |
72 |
66 |
10 |
0 |
0 |
0 |
| VODI |
0 |
121 |
59 |
192 |
114 |
1 |
0 |
0 |
| ODI |
0 |
50 |
17 |
84 |
147 |
20 |
0 |
0 |
| CDI |
0 |
32 |
19 |
57 |
176 |
308 |
37 |
2 |
| VCDI |
0 |
19 |
13 |
175 |
509 |
2737 |
7414 |
39704 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6174 |
2468 |
8 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
410 |
66 |
58 |
9 |
0 |
0 |
0 |
| VODI |
0 |
152 |
58 |
190 |
121 |
0 |
0 |
0 |
| ODI |
0 |
55 |
36 |
92 |
145 |
21 |
0 |
0 |
| CDI |
0 |
13 |
13 |
71 |
163 |
294 |
50 |
3 |
| VCDI |
0 |
20 |
5 |
162 |
518 |
2751 |
7401 |
39703 |
|
Date: 2024-02-10:
| 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 |
5920 |
2541 |
15 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
324 |
88 |
124 |
9 |
0 |
0 |
0 |
| VODI |
0 |
143 |
51 |
226 |
130 |
6 |
0 |
0 |
| ODI |
0 |
76 |
12 |
78 |
268 |
56 |
1 |
0 |
| CDI |
0 |
64 |
24 |
77 |
196 |
552 |
56 |
6 |
| VCDI |
0 |
8 |
0 |
23 |
303 |
3712 |
8805 |
37326 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5920 |
2463 |
19 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
396 |
81 |
115 |
6 |
0 |
0 |
0 |
| VODI |
0 |
165 |
51 |
219 |
134 |
8 |
0 |
0 |
| ODI |
0 |
88 |
22 |
92 |
268 |
47 |
1 |
0 |
| CDI |
0 |
33 |
16 |
85 |
202 |
555 |
55 |
12 |
| VCDI |
0 |
11 |
1 |
17 |
296 |
3716 |
8806 |
37320 |
|
Date: 2024-02-12:
| 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 |
5491 |
2865 |
34 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
279 |
126 |
102 |
21 |
0 |
0 |
0 |
| VODI |
0 |
20 |
35 |
404 |
123 |
0 |
0 |
0 |
| ODI |
0 |
10 |
0 |
54 |
294 |
98 |
0 |
0 |
| CDI |
0 |
9 |
0 |
14 |
102 |
816 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
155 |
2354 |
9425 |
38290 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5491 |
2729 |
34 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
312 |
97 |
141 |
31 |
0 |
0 |
0 |
| VODI |
0 |
99 |
58 |
236 |
168 |
32 |
0 |
0 |
| ODI |
0 |
21 |
5 |
123 |
186 |
153 |
0 |
0 |
| CDI |
0 |
19 |
1 |
60 |
139 |
390 |
163 |
0 |
| VCDI |
0 |
3 |
0 |
11 |
171 |
2693 |
9341 |
38290 |
|
Date: 2024-02-14:
| 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 |
5126 |
2979 |
51 |
37 |
3 |
0 |
0 |
0 |
| OW |
0 |
228 |
104 |
224 |
29 |
1 |
0 |
0 |
| VODI |
0 |
19 |
3 |
259 |
281 |
16 |
0 |
0 |
| ODI |
0 |
13 |
2 |
8 |
258 |
191 |
0 |
2 |
| CDI |
0 |
6 |
1 |
12 |
58 |
510 |
428 |
38 |
| VCDI |
0 |
0 |
0 |
0 |
59 |
2300 |
11194 |
36791 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5126 |
3001 |
81 |
135 |
0 |
0 |
0 |
0 |
| OW |
0 |
180 |
68 |
277 |
86 |
8 |
0 |
0 |
| VODI |
0 |
31 |
7 |
103 |
391 |
141 |
0 |
0 |
| ODI |
0 |
23 |
2 |
15 |
131 |
297 |
10 |
0 |
| CDI |
0 |
10 |
3 |
4 |
21 |
333 |
153 |
35 |
| VCDI |
0 |
0 |
0 |
6 |
59 |
2239 |
11459 |
36796 |
|
Date: 2024-02-16:
| 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 |
4946 |
2987 |
37 |
29 |
0 |
0 |
0 |
0 |
| OW |
0 |
280 |
91 |
227 |
35 |
5 |
0 |
0 |
| VODI |
0 |
13 |
29 |
231 |
286 |
37 |
0 |
0 |
| ODI |
0 |
5 |
0 |
33 |
218 |
207 |
6 |
0 |
| CDI |
0 |
1 |
0 |
9 |
30 |
643 |
216 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
25 |
1954 |
8804 |
39845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4946 |
3116 |
106 |
243 |
102 |
4 |
0 |
0 |
| OW |
0 |
129 |
37 |
184 |
226 |
49 |
0 |
0 |
| VODI |
0 |
25 |
11 |
66 |
167 |
303 |
14 |
0 |
| ODI |
0 |
16 |
3 |
30 |
59 |
283 |
76 |
0 |
| CDI |
0 |
0 |
0 |
7 |
13 |
358 |
224 |
74 |
| VCDI |
0 |
0 |
0 |
1 |
27 |
1849 |
8712 |
39771 |
|
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