Validation of sea ice concentration - American sector
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
5207 |
2623 |
34 |
50 |
3 |
0 |
0 |
0 |
| OW |
7 |
403 |
64 |
137 |
93 |
0 |
0 |
0 |
| VODI |
6 |
65 |
50 |
231 |
221 |
38 |
0 |
0 |
| ODI |
1 |
12 |
0 |
49 |
277 |
118 |
0 |
0 |
| CDI |
0 |
4 |
0 |
4 |
168 |
510 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
2506 |
6347 |
41762 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
5259 |
2887 |
36 |
40 |
7 |
0 |
0 |
0 |
| OW |
0 |
299 |
120 |
188 |
48 |
0 |
0 |
0 |
| VODI |
0 |
15 |
5 |
273 |
207 |
23 |
0 |
0 |
| ODI |
0 |
3 |
0 |
5 |
270 |
138 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
118 |
736 |
78 |
5 |
| VCDI |
0 |
0 |
0 |
2 |
318 |
2483 |
8079 |
39589 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
5640 |
2727 |
11 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
323 |
110 |
180 |
40 |
0 |
0 |
0 |
| VODI |
0 |
52 |
44 |
219 |
142 |
12 |
0 |
0 |
| ODI |
0 |
5 |
2 |
44 |
257 |
74 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
160 |
491 |
60 |
4 |
| VCDI |
0 |
0 |
0 |
33 |
361 |
2601 |
10304 |
37316 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5640 |
2792 |
20 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
260 |
95 |
173 |
37 |
0 |
0 |
0 |
| VODI |
0 |
50 |
50 |
214 |
94 |
10 |
0 |
0 |
| ODI |
0 |
5 |
2 |
66 |
295 |
80 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
170 |
488 |
91 |
4 |
| VCDI |
0 |
0 |
0 |
34 |
364 |
2600 |
10273 |
37316 |
|
Date: 2024-02-24:
| 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 |
5954 |
2498 |
4 |
31 |
5 |
0 |
0 |
0 |
| OW |
11 |
405 |
67 |
87 |
41 |
4 |
0 |
0 |
| VODI |
3 |
77 |
65 |
201 |
79 |
23 |
3 |
0 |
| ODI |
2 |
4 |
8 |
103 |
184 |
66 |
9 |
0 |
| CDI |
0 |
1 |
0 |
7 |
161 |
465 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
204 |
2535 |
9140 |
38656 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5950 |
2540 |
6 |
16 |
7 |
0 |
0 |
0 |
| OW |
14 |
342 |
54 |
97 |
39 |
5 |
0 |
0 |
| VODI |
4 |
99 |
77 |
168 |
62 |
23 |
3 |
0 |
| ODI |
1 |
3 |
7 |
139 |
196 |
62 |
8 |
0 |
| CDI |
1 |
1 |
0 |
9 |
150 |
485 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
220 |
2518 |
9160 |
38656 |
|
Date: 2024-02-26:
| 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 |
5797 |
2782 |
22 |
42 |
16 |
0 |
0 |
0 |
| OW |
17 |
180 |
132 |
116 |
32 |
4 |
0 |
0 |
| VODI |
4 |
10 |
15 |
303 |
116 |
16 |
0 |
0 |
| ODI |
1 |
2 |
0 |
10 |
235 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
51 |
563 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
2420 |
10425 |
37650 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5790 |
2659 |
33 |
42 |
17 |
3 |
0 |
0 |
| OW |
13 |
263 |
86 |
84 |
46 |
18 |
0 |
0 |
| VODI |
13 |
44 |
50 |
268 |
74 |
22 |
0 |
0 |
| ODI |
3 |
7 |
0 |
77 |
198 |
83 |
0 |
0 |
| CDI |
0 |
1 |
0 |
0 |
103 |
426 |
257 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
105 |
2504 |
10292 |
37648 |
|
Date: 2024-02-28:
| 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 |
4912 |
3044 |
118 |
194 |
2 |
0 |
0 |
0 |
| OW |
0 |
100 |
65 |
262 |
147 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
140 |
314 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
87 |
219 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
11 |
491 |
167 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2600 |
11202 |
37089 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4912 |
3054 |
121 |
214 |
31 |
0 |
0 |
0 |
| OW |
0 |
89 |
58 |
237 |
106 |
13 |
0 |
0 |
| VODI |
0 |
1 |
6 |
140 |
331 |
99 |
1 |
0 |
| ODI |
0 |
0 |
0 |
7 |
82 |
308 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
11 |
438 |
259 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2514 |
11106 |
37086 |
|
Date: 2024-03-01:
| 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 |
4754 |
3020 |
57 |
86 |
0 |
0 |
0 |
0 |
| OW |
0 |
119 |
71 |
325 |
85 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
151 |
344 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
179 |
218 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
57 |
706 |
215 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
3252 |
11813 |
35618 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4754 |
2965 |
59 |
105 |
25 |
0 |
0 |
0 |
| OW |
0 |
158 |
52 |
276 |
96 |
4 |
0 |
0 |
| VODI |
0 |
16 |
18 |
179 |
315 |
127 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
193 |
294 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
37 |
555 |
187 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
105 |
3248 |
11841 |
35618 |
|
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