Validation of sea ice concentration - American sector
Bulletin date: 2024-02-29
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-23:
| 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 |
5954 |
2497 |
6 |
22 |
4 |
0 |
0 |
0 |
| OW |
10 |
379 |
96 |
113 |
36 |
0 |
0 |
0 |
| VODI |
3 |
82 |
57 |
200 |
103 |
13 |
0 |
0 |
| ODI |
2 |
6 |
6 |
80 |
232 |
63 |
3 |
0 |
| CDI |
0 |
0 |
1 |
11 |
182 |
348 |
56 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
376 |
2377 |
11261 |
36649 |
|
...date precedes bulletin
|
Date: 2024-02-25:
| 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 |
5801 |
2626 |
11 |
34 |
5 |
0 |
0 |
0 |
| OW |
14 |
302 |
114 |
97 |
52 |
11 |
0 |
0 |
| VODI |
9 |
60 |
44 |
250 |
87 |
27 |
3 |
0 |
| ODI |
4 |
5 |
0 |
66 |
200 |
76 |
7 |
0 |
| CDI |
0 |
0 |
0 |
0 |
92 |
509 |
357 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
2575 |
10772 |
36915 |
|
...date precedes bulletin
|
Date: 2024-02-27:
| 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 |
5096 |
3068 |
132 |
219 |
18 |
0 |
0 |
0 |
| OW |
0 |
120 |
79 |
221 |
91 |
5 |
0 |
0 |
| VODI |
0 |
0 |
4 |
173 |
264 |
31 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
124 |
180 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
15 |
573 |
120 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2467 |
9931 |
38295 |
|
...date precedes bulletin
|
Date: 2024-02-29:
| 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 |
4746 |
3024 |
96 |
135 |
1 |
0 |
0 |
0 |
| OW |
0 |
138 |
40 |
312 |
124 |
0 |
0 |
0 |
| VODI |
0 |
1 |
5 |
136 |
342 |
61 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
122 |
268 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
12 |
522 |
360 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
218 |
2590 |
11777 |
36199 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4746 |
3018 |
107 |
162 |
1 |
0 |
0 |
0 |
| OW |
0 |
143 |
27 |
271 |
132 |
0 |
0 |
0 |
| VODI |
0 |
2 |
7 |
148 |
313 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
141 |
238 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
540 |
342 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
218 |
2614 |
11795 |
36199 |
|
Date: 2024-03-02:
| 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 |
4968 |
2902 |
55 |
62 |
0 |
0 |
0 |
0 |
| OW |
0 |
190 |
105 |
228 |
46 |
0 |
0 |
0 |
| VODI |
0 |
0 |
11 |
252 |
224 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
15 |
275 |
112 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
173 |
519 |
49 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
244 |
2872 |
10064 |
37844 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4968 |
2920 |
73 |
68 |
0 |
0 |
0 |
0 |
| OW |
0 |
169 |
75 |
217 |
53 |
0 |
0 |
0 |
| VODI |
0 |
3 |
23 |
241 |
213 |
19 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
257 |
80 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
192 |
530 |
80 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
247 |
2891 |
10033 |
37845 |
|
Date: 2024-03-04:
| 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 |
5432 |
2852 |
34 |
57 |
0 |
0 |
0 |
0 |
| OW |
0 |
255 |
119 |
126 |
16 |
0 |
0 |
0 |
| VODI |
0 |
2 |
9 |
265 |
150 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
253 |
48 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
106 |
385 |
56 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
148 |
2240 |
11845 |
36802 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5432 |
2712 |
34 |
90 |
25 |
0 |
0 |
0 |
| OW |
0 |
298 |
57 |
33 |
53 |
5 |
0 |
0 |
| VODI |
0 |
89 |
55 |
208 |
80 |
21 |
0 |
0 |
| ODI |
0 |
9 |
16 |
103 |
152 |
41 |
2 |
0 |
| CDI |
0 |
1 |
0 |
39 |
184 |
251 |
77 |
2 |
| VCDI |
0 |
0 |
0 |
2 |
179 |
2358 |
11822 |
36801 |
|
Date: 2024-03-06:
| 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 |
5585 |
2860 |
39 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
224 |
118 |
158 |
9 |
0 |
0 |
0 |
| VODI |
0 |
3 |
37 |
202 |
129 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
76 |
160 |
49 |
4 |
0 |
| CDI |
0 |
0 |
0 |
8 |
229 |
314 |
124 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
1830 |
9812 |
39163 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5585 |
2567 |
42 |
73 |
30 |
1 |
0 |
0 |
| OW |
0 |
288 |
32 |
60 |
42 |
13 |
1 |
0 |
| VODI |
0 |
224 |
63 |
73 |
70 |
22 |
10 |
0 |
| ODI |
0 |
8 |
57 |
169 |
89 |
50 |
24 |
0 |
| CDI |
0 |
0 |
0 |
75 |
241 |
246 |
170 |
24 |
| VCDI |
0 |
0 |
0 |
1 |
132 |
1869 |
9735 |
39145 |
|
Date: 2024-03-08:
| 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 |
5163 |
2897 |
29 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
202 |
146 |
191 |
27 |
0 |
0 |
0 |
| VODI |
0 |
1 |
17 |
305 |
139 |
19 |
0 |
0 |
| ODI |
0 |
0 |
0 |
60 |
280 |
110 |
6 |
0 |
| CDI |
0 |
0 |
0 |
1 |
138 |
628 |
365 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1422 |
9280 |
39790 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5163 |
2637 |
33 |
44 |
2 |
0 |
0 |
0 |
| OW |
0 |
343 |
44 |
72 |
52 |
2 |
0 |
0 |
| VODI |
0 |
120 |
115 |
194 |
122 |
51 |
2 |
0 |
| ODI |
0 |
0 |
0 |
239 |
172 |
159 |
37 |
1 |
| CDI |
0 |
0 |
0 |
20 |
218 |
457 |
148 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
1510 |
9464 |
39768 |
|
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