Validation of sea ice concentration - American sector
Bulletin date: 2024-01-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-12:
| 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 |
7472 |
2430 |
62 |
51 |
0 |
0 |
0 |
0 |
| OW |
11 |
249 |
49 |
133 |
34 |
0 |
0 |
0 |
| VODI |
0 |
34 |
23 |
181 |
230 |
31 |
0 |
0 |
| ODI |
0 |
13 |
1 |
40 |
295 |
94 |
0 |
0 |
| CDI |
0 |
4 |
0 |
5 |
265 |
509 |
75 |
18 |
| VCDI |
0 |
0 |
0 |
3 |
1222 |
4738 |
13904 |
29055 |
|
...date precedes bulletin
|
Date: 2024-01-14:
| 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 |
7904 |
2050 |
38 |
41 |
1 |
0 |
0 |
0 |
| OW |
17 |
252 |
38 |
105 |
46 |
5 |
0 |
0 |
| VODI |
5 |
47 |
7 |
205 |
203 |
49 |
0 |
0 |
| ODI |
0 |
7 |
1 |
49 |
307 |
169 |
1 |
0 |
| CDI |
0 |
3 |
0 |
31 |
262 |
663 |
145 |
1 |
| VCDI |
0 |
0 |
0 |
60 |
1510 |
5912 |
14398 |
26699 |
|
...date precedes bulletin
|
Date: 2024-01-16:
| 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 |
8267 |
2062 |
24 |
33 |
0 |
0 |
0 |
0 |
| OW |
9 |
177 |
68 |
96 |
8 |
0 |
0 |
0 |
| VODI |
3 |
22 |
19 |
176 |
86 |
3 |
0 |
0 |
| ODI |
0 |
5 |
0 |
54 |
216 |
84 |
1 |
0 |
| CDI |
0 |
2 |
1 |
21 |
242 |
1047 |
224 |
2 |
| VCDI |
0 |
0 |
0 |
47 |
1031 |
5890 |
11853 |
29458 |
|
...date precedes bulletin
|
Date: 2024-01-18:
| 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 |
7966 |
2370 |
28 |
40 |
0 |
0 |
0 |
0 |
| OW |
18 |
204 |
64 |
84 |
25 |
0 |
0 |
0 |
| VODI |
4 |
57 |
43 |
116 |
101 |
16 |
0 |
0 |
| ODI |
1 |
12 |
3 |
54 |
109 |
135 |
7 |
0 |
| CDI |
0 |
11 |
0 |
4 |
188 |
381 |
108 |
0 |
| VCDI |
0 |
3 |
0 |
13 |
944 |
5713 |
11690 |
30719 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7964 |
2361 |
27 |
44 |
0 |
0 |
0 |
0 |
| OW |
20 |
205 |
62 |
78 |
24 |
0 |
0 |
0 |
| VODI |
4 |
65 |
48 |
142 |
84 |
27 |
0 |
0 |
| ODI |
1 |
10 |
1 |
34 |
156 |
102 |
11 |
0 |
| CDI |
0 |
12 |
0 |
0 |
171 |
364 |
71 |
0 |
| VCDI |
0 |
4 |
0 |
13 |
932 |
5752 |
11723 |
30719 |
|
Date: 2024-01-20:
| 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 |
7046 |
2914 |
51 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
189 |
81 |
211 |
4 |
0 |
0 |
0 |
| VODI |
0 |
49 |
41 |
225 |
137 |
10 |
0 |
0 |
| ODI |
0 |
4 |
0 |
79 |
149 |
100 |
3 |
0 |
| CDI |
0 |
0 |
0 |
11 |
141 |
458 |
131 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
497 |
4210 |
13751 |
30714 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7046 |
2857 |
65 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
230 |
64 |
203 |
2 |
0 |
0 |
0 |
| VODI |
0 |
66 |
42 |
226 |
135 |
5 |
0 |
0 |
| ODI |
0 |
3 |
2 |
75 |
145 |
93 |
4 |
0 |
| CDI |
0 |
0 |
0 |
3 |
142 |
425 |
117 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
504 |
4255 |
13764 |
30713 |
|
Date: 2024-01-22:
| 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 |
6291 |
3151 |
19 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
215 |
91 |
140 |
0 |
0 |
0 |
0 |
| VODI |
0 |
18 |
15 |
330 |
89 |
0 |
0 |
0 |
| ODI |
0 |
5 |
0 |
21 |
391 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
157 |
630 |
57 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
196 |
3077 |
10769 |
35550 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6291 |
3014 |
30 |
43 |
0 |
0 |
0 |
0 |
| OW |
0 |
298 |
52 |
170 |
21 |
0 |
0 |
0 |
| VODI |
0 |
65 |
39 |
249 |
168 |
4 |
0 |
0 |
| ODI |
0 |
12 |
4 |
32 |
260 |
82 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
152 |
390 |
80 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
232 |
3244 |
10744 |
35550 |
|
Date: 2024-01-24:
| 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 |
6026 |
3050 |
28 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
275 |
69 |
89 |
7 |
0 |
0 |
0 |
| VODI |
0 |
21 |
38 |
308 |
79 |
0 |
0 |
0 |
| ODI |
0 |
4 |
2 |
93 |
305 |
55 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
252 |
480 |
228 |
33 |
| VCDI |
0 |
0 |
0 |
0 |
97 |
2793 |
10925 |
35956 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6026 |
2800 |
15 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
437 |
50 |
95 |
3 |
0 |
0 |
0 |
| VODI |
0 |
101 |
68 |
302 |
125 |
1 |
0 |
0 |
| ODI |
0 |
12 |
4 |
101 |
265 |
111 |
1 |
0 |
| CDI |
0 |
0 |
0 |
5 |
214 |
370 |
172 |
54 |
| VCDI |
0 |
0 |
0 |
0 |
133 |
2846 |
10980 |
35935 |
|
Date: 2024-01-26:
| 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 |
5721 |
3020 |
44 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
286 |
94 |
95 |
14 |
0 |
0 |
0 |
| VODI |
0 |
19 |
25 |
337 |
77 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
288 |
66 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
249 |
451 |
215 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
2491 |
10700 |
36866 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5721 |
2897 |
38 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
344 |
87 |
130 |
19 |
0 |
0 |
0 |
| VODI |
0 |
75 |
37 |
305 |
172 |
26 |
0 |
0 |
| ODI |
0 |
9 |
1 |
78 |
231 |
157 |
20 |
0 |
| CDI |
0 |
0 |
0 |
17 |
175 |
259 |
243 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
2569 |
10652 |
36844 |
|
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