Validation of sea ice concentration - American sector
Bulletin date: 2023-12-14
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-08:
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 |
12962 |
5890 |
374 |
207 |
14 |
0 |
0 |
0 |
OW |
268 |
1076 |
279 |
559 |
68 |
1 |
0 |
0 |
VODI |
90 |
488 |
137 |
933 |
376 |
45 |
0 |
0 |
ODI |
1 |
65 |
10 |
216 |
405 |
282 |
3 |
0 |
CDI |
0 |
27 |
3 |
93 |
226 |
1095 |
214 |
6 |
VCDI |
0 |
3 |
16 |
86 |
170 |
1744 |
8156 |
24643 |
|
...date precedes bulletin
|
Date: 2023-12-10:
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 |
11329 |
5818 |
404 |
690 |
7 |
0 |
0 |
0 |
OW |
413 |
914 |
184 |
801 |
283 |
0 |
0 |
0 |
VODI |
156 |
174 |
94 |
532 |
907 |
84 |
0 |
0 |
ODI |
18 |
21 |
5 |
138 |
487 |
507 |
10 |
0 |
CDI |
0 |
0 |
0 |
69 |
263 |
1049 |
656 |
1 |
VCDI |
0 |
0 |
0 |
22 |
180 |
1605 |
6308 |
27102 |
|
...date precedes bulletin
|
Date: 2023-12-12:
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 |
9750 |
5729 |
515 |
839 |
212 |
0 |
0 |
0 |
OW |
231 |
462 |
264 |
898 |
398 |
2 |
0 |
0 |
VODI |
28 |
70 |
19 |
839 |
539 |
32 |
0 |
0 |
ODI |
0 |
4 |
1 |
315 |
618 |
161 |
0 |
0 |
CDI |
0 |
0 |
0 |
57 |
452 |
1320 |
95 |
0 |
VCDI |
0 |
0 |
0 |
19 |
328 |
2502 |
7390 |
27142 |
|
...date precedes bulletin
|
Date: 2023-12-14:
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 |
8977 |
4948 |
312 |
969 |
271 |
1 |
0 |
0 |
OW |
100 |
782 |
222 |
709 |
456 |
114 |
0 |
0 |
VODI |
13 |
301 |
75 |
675 |
628 |
188 |
0 |
0 |
ODI |
0 |
12 |
1 |
362 |
621 |
324 |
0 |
0 |
CDI |
0 |
0 |
0 |
84 |
472 |
748 |
205 |
3 |
VCDI |
0 |
0 |
0 |
28 |
629 |
3316 |
6346 |
28339 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
8960 |
4949 |
287 |
948 |
322 |
21 |
0 |
0 |
OW |
120 |
791 |
217 |
668 |
377 |
126 |
0 |
0 |
VODI |
10 |
291 |
103 |
713 |
635 |
178 |
0 |
0 |
ODI |
0 |
12 |
3 |
377 |
629 |
325 |
0 |
0 |
CDI |
0 |
0 |
0 |
90 |
481 |
751 |
154 |
7 |
VCDI |
0 |
0 |
0 |
31 |
633 |
3290 |
6397 |
28335 |
|
Date: 2023-12-16:
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 |
8922 |
4385 |
174 |
574 |
431 |
80 |
0 |
0 |
OW |
102 |
609 |
157 |
645 |
424 |
183 |
6 |
0 |
VODI |
42 |
297 |
66 |
542 |
712 |
431 |
14 |
0 |
ODI |
0 |
53 |
9 |
259 |
603 |
421 |
23 |
0 |
CDI |
0 |
3 |
2 |
65 |
419 |
1280 |
529 |
0 |
VCDI |
0 |
0 |
1 |
25 |
203 |
2907 |
5789 |
29844 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
8912 |
4344 |
179 |
631 |
484 |
84 |
2 |
0 |
OW |
111 |
675 |
156 |
515 |
335 |
190 |
11 |
0 |
VODI |
43 |
289 |
64 |
615 |
685 |
451 |
8 |
0 |
ODI |
0 |
37 |
7 |
261 |
616 |
398 |
25 |
0 |
CDI |
0 |
2 |
2 |
68 |
441 |
1335 |
497 |
0 |
VCDI |
0 |
0 |
1 |
20 |
231 |
2844 |
5818 |
29844 |
|
Date: 2023-12-18:
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 |
8456 |
4355 |
139 |
372 |
227 |
147 |
0 |
0 |
OW |
18 |
551 |
151 |
366 |
123 |
139 |
0 |
0 |
VODI |
7 |
65 |
25 |
928 |
265 |
166 |
0 |
0 |
ODI |
0 |
0 |
0 |
311 |
820 |
376 |
0 |
0 |
CDI |
0 |
0 |
0 |
43 |
439 |
2081 |
72 |
40 |
VCDI |
0 |
0 |
0 |
2 |
103 |
3695 |
6990 |
29759 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
8447 |
4026 |
127 |
415 |
323 |
395 |
0 |
0 |
OW |
25 |
804 |
125 |
372 |
155 |
300 |
0 |
0 |
VODI |
9 |
131 |
62 |
676 |
416 |
490 |
56 |
0 |
ODI |
0 |
10 |
1 |
418 |
510 |
715 |
53 |
0 |
CDI |
0 |
0 |
0 |
116 |
422 |
1411 |
644 |
0 |
VCDI |
0 |
0 |
0 |
25 |
151 |
3293 |
6309 |
29799 |
|
Date: 2023-12-20:
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 |
7778 |
4232 |
195 |
309 |
150 |
173 |
0 |
0 |
OW |
11 |
596 |
147 |
393 |
171 |
171 |
0 |
0 |
VODI |
0 |
114 |
55 |
431 |
526 |
235 |
0 |
0 |
ODI |
0 |
1 |
1 |
131 |
663 |
469 |
5 |
0 |
CDI |
0 |
0 |
0 |
26 |
422 |
1325 |
247 |
16 |
VCDI |
0 |
0 |
0 |
0 |
181 |
3169 |
9203 |
29685 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
7759 |
4013 |
182 |
288 |
196 |
465 |
0 |
0 |
OW |
26 |
649 |
140 |
383 |
213 |
291 |
36 |
0 |
VODI |
4 |
271 |
74 |
353 |
464 |
308 |
164 |
0 |
ODI |
0 |
10 |
2 |
199 |
574 |
511 |
261 |
0 |
CDI |
0 |
0 |
0 |
59 |
449 |
1046 |
689 |
5 |
VCDI |
0 |
0 |
0 |
8 |
217 |
2921 |
8305 |
29696 |
|
Date: 2023-12-22:
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 |
7174 |
4026 |
119 |
266 |
178 |
20 |
0 |
0 |
OW |
22 |
515 |
149 |
538 |
265 |
54 |
0 |
0 |
VODI |
3 |
295 |
49 |
495 |
520 |
128 |
15 |
0 |
ODI |
0 |
15 |
8 |
160 |
871 |
238 |
33 |
0 |
CDI |
0 |
0 |
0 |
32 |
786 |
608 |
219 |
22 |
VCDI |
0 |
0 |
0 |
0 |
262 |
3251 |
7551 |
32344 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
7154 |
3752 |
108 |
177 |
169 |
69 |
2 |
0 |
OW |
34 |
672 |
141 |
544 |
327 |
243 |
63 |
0 |
VODI |
11 |
338 |
72 |
514 |
642 |
377 |
98 |
0 |
ODI |
0 |
86 |
4 |
155 |
634 |
315 |
212 |
0 |
CDI |
0 |
3 |
0 |
99 |
740 |
502 |
451 |
15 |
VCDI |
0 |
0 |
0 |
2 |
370 |
2793 |
6992 |
32351 |
|
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