Validation of sea ice concentration - American sector
Bulletin date: 2024-11-28
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-22:
| 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 |
22320 |
1290 |
63 |
114 |
25 |
0 |
0 |
0 |
| OW |
133 |
357 |
88 |
305 |
132 |
0 |
0 |
0 |
| VODI |
46 |
172 |
76 |
305 |
272 |
53 |
0 |
0 |
| ODI |
4 |
79 |
17 |
162 |
381 |
275 |
0 |
0 |
| CDI |
0 |
18 |
5 |
90 |
558 |
770 |
12 |
0 |
| VCDI |
0 |
3 |
0 |
14 |
442 |
4800 |
10880 |
16970 |
|
...date precedes bulletin
|
Date: 2024-11-24:
| 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 |
22078 |
1251 |
61 |
91 |
35 |
0 |
0 |
0 |
| OW |
124 |
288 |
107 |
312 |
249 |
1 |
0 |
0 |
| VODI |
34 |
120 |
42 |
315 |
240 |
103 |
0 |
0 |
| ODI |
1 |
49 |
20 |
197 |
269 |
282 |
0 |
0 |
| CDI |
0 |
13 |
4 |
52 |
271 |
889 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
132 |
2722 |
8300 |
22497 |
|
...date precedes bulletin
|
Date: 2024-11-26:
| 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 |
19317 |
3615 |
128 |
154 |
6 |
3 |
0 |
0 |
| OW |
52 |
248 |
48 |
202 |
66 |
1 |
0 |
0 |
| VODI |
17 |
75 |
43 |
344 |
367 |
87 |
0 |
0 |
| ODI |
2 |
3 |
3 |
79 |
477 |
94 |
13 |
0 |
| CDI |
0 |
0 |
0 |
20 |
261 |
703 |
92 |
2 |
| VCDI |
0 |
0 |
0 |
21 |
92 |
1954 |
7387 |
25255 |
|
...date precedes bulletin
|
Date: 2024-11-28:
| 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 |
18316 |
3696 |
115 |
211 |
9 |
0 |
0 |
0 |
| OW |
285 |
442 |
46 |
217 |
132 |
4 |
0 |
0 |
| VODI |
57 |
117 |
39 |
271 |
319 |
58 |
0 |
0 |
| ODI |
9 |
8 |
3 |
77 |
381 |
241 |
0 |
0 |
| CDI |
1 |
0 |
4 |
21 |
270 |
849 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
204 |
2138 |
7398 |
25201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18292 |
3735 |
119 |
225 |
26 |
0 |
0 |
0 |
| OW |
307 |
413 |
50 |
198 |
116 |
3 |
0 |
0 |
| VODI |
59 |
106 |
26 |
269 |
288 |
71 |
0 |
0 |
| ODI |
8 |
9 |
9 |
77 |
399 |
238 |
0 |
0 |
| CDI |
2 |
0 |
3 |
25 |
257 |
797 |
73 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
229 |
2181 |
7406 |
25201 |
|
Date: 2024-11-30:
| 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 |
17778 |
3904 |
107 |
122 |
2 |
0 |
0 |
0 |
| OW |
157 |
564 |
65 |
259 |
66 |
16 |
0 |
0 |
| VODI |
32 |
135 |
64 |
273 |
221 |
138 |
14 |
0 |
| ODI |
2 |
22 |
7 |
110 |
236 |
197 |
87 |
0 |
| CDI |
1 |
5 |
1 |
41 |
205 |
786 |
152 |
12 |
| VCDI |
0 |
1 |
1 |
10 |
197 |
1706 |
7107 |
26428 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17788 |
3946 |
120 |
192 |
16 |
0 |
0 |
0 |
| OW |
151 |
529 |
65 |
190 |
69 |
11 |
0 |
0 |
| VODI |
28 |
125 |
46 |
273 |
214 |
99 |
17 |
0 |
| ODI |
1 |
26 |
11 |
99 |
229 |
241 |
87 |
0 |
| CDI |
1 |
4 |
2 |
51 |
192 |
782 |
136 |
11 |
| VCDI |
1 |
1 |
1 |
10 |
207 |
1710 |
7120 |
26429 |
|
Date: 2024-12-02:
| 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 |
15455 |
5360 |
133 |
117 |
0 |
0 |
0 |
0 |
| OW |
0 |
425 |
228 |
455 |
29 |
0 |
0 |
0 |
| VODI |
3 |
39 |
30 |
637 |
195 |
23 |
1 |
0 |
| ODI |
0 |
5 |
1 |
111 |
520 |
117 |
30 |
0 |
| CDI |
0 |
3 |
1 |
15 |
203 |
884 |
170 |
1 |
| VCDI |
0 |
1 |
0 |
7 |
161 |
1723 |
5463 |
28685 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15454 |
5110 |
163 |
287 |
43 |
1 |
0 |
0 |
| OW |
1 |
600 |
168 |
411 |
84 |
29 |
0 |
0 |
| VODI |
3 |
101 |
51 |
421 |
244 |
79 |
46 |
0 |
| ODI |
0 |
15 |
9 |
188 |
301 |
216 |
102 |
0 |
| CDI |
0 |
5 |
2 |
25 |
248 |
580 |
214 |
0 |
| VCDI |
0 |
2 |
0 |
10 |
188 |
1842 |
5302 |
28686 |
|
Date: 2024-12-04:
| 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 |
15188 |
4163 |
88 |
72 |
0 |
0 |
0 |
0 |
| OW |
16 |
940 |
176 |
410 |
171 |
19 |
0 |
0 |
| VODI |
3 |
116 |
88 |
552 |
412 |
135 |
0 |
0 |
| ODI |
0 |
9 |
10 |
191 |
454 |
129 |
8 |
0 |
| CDI |
0 |
0 |
0 |
20 |
369 |
544 |
199 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
242 |
1972 |
8230 |
26296 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15170 |
4283 |
87 |
82 |
10 |
8 |
0 |
0 |
| OW |
34 |
759 |
183 |
393 |
217 |
45 |
0 |
0 |
| VODI |
3 |
172 |
85 |
496 |
410 |
148 |
69 |
0 |
| ODI |
0 |
11 |
5 |
186 |
389 |
254 |
86 |
0 |
| CDI |
0 |
3 |
2 |
76 |
390 |
526 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
232 |
1818 |
8155 |
26296 |
|
Date: 2024-12-06:
| 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 |
13790 |
4493 |
72 |
79 |
20 |
0 |
0 |
0 |
| OW |
85 |
906 |
136 |
243 |
69 |
0 |
0 |
0 |
| VODI |
3 |
352 |
158 |
610 |
402 |
175 |
0 |
0 |
| ODI |
0 |
26 |
12 |
266 |
371 |
501 |
0 |
0 |
| CDI |
0 |
0 |
0 |
54 |
369 |
633 |
143 |
17 |
| VCDI |
0 |
0 |
0 |
7 |
133 |
1814 |
7868 |
27424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13807 |
4694 |
102 |
112 |
61 |
0 |
0 |
0 |
| OW |
68 |
726 |
152 |
280 |
163 |
77 |
6 |
0 |
| VODI |
3 |
321 |
102 |
471 |
350 |
337 |
60 |
0 |
| ODI |
0 |
34 |
22 |
275 |
236 |
327 |
75 |
0 |
| CDI |
0 |
2 |
0 |
100 |
453 |
606 |
219 |
1 |
| VCDI |
0 |
0 |
0 |
21 |
101 |
1776 |
7651 |
27440 |
|
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