Validation of sea ice concentration - American sector
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
5295 |
2717 |
28 |
61 |
2 |
0 |
0 |
0 |
| OW |
0 |
334 |
94 |
60 |
49 |
1 |
0 |
0 |
| VODI |
0 |
28 |
53 |
285 |
82 |
24 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
229 |
60 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
212 |
267 |
75 |
6 |
| VCDI |
0 |
0 |
0 |
17 |
364 |
2361 |
11090 |
37332 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
5529 |
2909 |
31 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
204 |
138 |
147 |
17 |
0 |
0 |
0 |
| VODI |
0 |
1 |
15 |
238 |
120 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
175 |
68 |
2 |
0 |
| CDI |
0 |
0 |
0 |
8 |
171 |
317 |
85 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
2018 |
12578 |
36315 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
5422 |
2857 |
25 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
265 |
97 |
155 |
16 |
0 |
0 |
0 |
| VODI |
0 |
7 |
41 |
243 |
134 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
165 |
79 |
7 |
0 |
| CDI |
0 |
0 |
0 |
16 |
248 |
504 |
235 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
1489 |
7858 |
41191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5422 |
2865 |
36 |
20 |
0 |
0 |
0 |
0 |
| OW |
0 |
253 |
80 |
147 |
30 |
0 |
0 |
0 |
| VODI |
0 |
11 |
47 |
220 |
107 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
112 |
173 |
69 |
5 |
0 |
| CDI |
0 |
0 |
0 |
16 |
238 |
575 |
243 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
1421 |
7852 |
41188 |
|
Date: 2024-03-09:
| 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 |
4910 |
2954 |
45 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
130 |
148 |
284 |
29 |
0 |
0 |
0 |
| VODI |
0 |
0 |
6 |
311 |
188 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
323 |
147 |
8 |
0 |
| CDI |
0 |
0 |
0 |
0 |
68 |
615 |
271 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1540 |
8694 |
40505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4910 |
2929 |
75 |
37 |
1 |
0 |
0 |
0 |
| OW |
0 |
155 |
111 |
272 |
36 |
0 |
0 |
0 |
| VODI |
0 |
0 |
13 |
299 |
165 |
29 |
0 |
0 |
| ODI |
0 |
0 |
0 |
14 |
326 |
137 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
80 |
646 |
236 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1513 |
8732 |
40505 |
|
Date: 2024-03-11:
| 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 |
4616 |
2907 |
19 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
186 |
157 |
99 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
5 |
422 |
78 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
456 |
44 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
138 |
593 |
37 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
2104 |
11731 |
37516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4616 |
2869 |
48 |
9 |
3 |
0 |
0 |
0 |
| OW |
0 |
219 |
121 |
264 |
35 |
12 |
0 |
0 |
| VODI |
0 |
5 |
12 |
265 |
261 |
25 |
3 |
0 |
| ODI |
0 |
0 |
0 |
27 |
298 |
126 |
15 |
0 |
| CDI |
0 |
0 |
0 |
0 |
86 |
494 |
195 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
2092 |
11558 |
37504 |
|
Date: 2024-03-13:
| 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 |
4277 |
2829 |
14 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
339 |
88 |
87 |
20 |
2 |
0 |
0 |
| VODI |
0 |
7 |
37 |
412 |
70 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
43 |
467 |
47 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
235 |
568 |
113 |
31 |
| VCDI |
0 |
0 |
0 |
0 |
143 |
2192 |
10937 |
38246 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4277 |
2867 |
28 |
33 |
1 |
0 |
0 |
0 |
| OW |
0 |
300 |
90 |
198 |
42 |
14 |
0 |
0 |
| VODI |
0 |
8 |
21 |
291 |
236 |
32 |
4 |
0 |
| ODI |
0 |
0 |
0 |
31 |
355 |
109 |
21 |
10 |
| CDI |
0 |
0 |
0 |
0 |
159 |
505 |
312 |
111 |
| VCDI |
0 |
0 |
0 |
0 |
142 |
2163 |
10715 |
38156 |
|
Date: 2024-03-15:
| 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 |
4143 |
2736 |
10 |
12 |
2 |
0 |
0 |
0 |
| OW |
0 |
413 |
82 |
63 |
19 |
0 |
0 |
0 |
| VODI |
0 |
39 |
66 |
357 |
86 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
113 |
459 |
61 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
235 |
583 |
116 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
216 |
2092 |
8497 |
40796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4143 |
2745 |
22 |
19 |
8 |
0 |
0 |
0 |
| OW |
0 |
397 |
80 |
118 |
36 |
10 |
0 |
0 |
| VODI |
0 |
44 |
49 |
326 |
155 |
26 |
1 |
0 |
| ODI |
0 |
2 |
7 |
71 |
422 |
114 |
10 |
0 |
| CDI |
0 |
0 |
0 |
11 |
172 |
542 |
446 |
74 |
| VCDI |
0 |
0 |
0 |
0 |
224 |
2051 |
8157 |
40749 |
|
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