Validation of sea ice concentration - American sector
Bulletin date: 2020-12-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-27:
| 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 |
1221 |
4892 |
75 |
265 |
155 |
14 |
1 |
0 |
| OW |
147 |
476 |
25 |
326 |
296 |
110 |
38 |
0 |
| VODI |
14 |
264 |
32 |
194 |
424 |
212 |
39 |
0 |
| ODI |
0 |
97 |
18 |
145 |
639 |
384 |
49 |
0 |
| CDI |
0 |
58 |
11 |
140 |
375 |
742 |
211 |
26 |
| VCDI |
0 |
2 |
2 |
84 |
470 |
2758 |
7740 |
22695 |
|
...date precedes bulletin
|
Date: 2020-11-29:
| 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 |
341 |
4782 |
80 |
410 |
145 |
15 |
0 |
0 |
| OW |
1 |
580 |
39 |
259 |
432 |
237 |
28 |
0 |
| VODI |
0 |
143 |
14 |
235 |
395 |
380 |
54 |
0 |
| ODI |
0 |
4 |
6 |
106 |
410 |
399 |
97 |
0 |
| CDI |
0 |
10 |
1 |
61 |
373 |
1015 |
200 |
0 |
| VCDI |
0 |
6 |
3 |
18 |
243 |
2171 |
8271 |
23902 |
|
...date precedes bulletin
|
Date: 2020-12-01:
| 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 |
160 |
4455 |
80 |
254 |
56 |
0 |
0 |
0 |
| OW |
0 |
289 |
58 |
460 |
215 |
3 |
0 |
0 |
| VODI |
0 |
71 |
13 |
210 |
620 |
179 |
0 |
0 |
| ODI |
0 |
2 |
0 |
21 |
636 |
692 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
628 |
1084 |
195 |
4 |
| VCDI |
0 |
0 |
0 |
41 |
276 |
2954 |
7946 |
24250 |
|
...date precedes bulletin
|
Date: 2020-12-03:
| 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 |
207 |
4014 |
73 |
172 |
48 |
0 |
0 |
0 |
| OW |
0 |
453 |
65 |
458 |
205 |
4 |
0 |
0 |
| VODI |
0 |
79 |
12 |
244 |
621 |
59 |
0 |
0 |
| ODI |
0 |
19 |
1 |
33 |
631 |
414 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
799 |
952 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
75 |
701 |
4325 |
9725 |
21452 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
205 |
4044 |
79 |
232 |
64 |
0 |
0 |
0 |
| OW |
2 |
402 |
61 |
398 |
164 |
6 |
0 |
0 |
| VODI |
0 |
105 |
10 |
235 |
587 |
55 |
0 |
0 |
| ODI |
0 |
14 |
1 |
41 |
612 |
362 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
840 |
933 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
76 |
738 |
4398 |
9731 |
21452 |
|
Date: 2020-12-05:
| 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 |
11 |
3589 |
63 |
288 |
135 |
11 |
0 |
0 |
| OW |
0 |
483 |
44 |
356 |
312 |
41 |
0 |
0 |
| VODI |
0 |
112 |
23 |
243 |
439 |
192 |
0 |
0 |
| ODI |
0 |
19 |
4 |
72 |
281 |
597 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
363 |
928 |
76 |
22 |
| VCDI |
0 |
1 |
1 |
61 |
400 |
5144 |
11942 |
19595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11 |
3723 |
77 |
391 |
186 |
17 |
0 |
0 |
| OW |
0 |
336 |
30 |
255 |
251 |
25 |
0 |
0 |
| VODI |
0 |
119 |
23 |
245 |
425 |
210 |
0 |
0 |
| ODI |
0 |
25 |
4 |
57 |
228 |
479 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
377 |
931 |
83 |
20 |
| VCDI |
0 |
1 |
1 |
72 |
463 |
5251 |
11935 |
19597 |
|
Date: 2020-12-07:
| 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 |
0 |
3156 |
81 |
251 |
54 |
0 |
0 |
0 |
| OW |
0 |
295 |
55 |
376 |
170 |
6 |
0 |
0 |
| VODI |
0 |
36 |
12 |
237 |
623 |
74 |
0 |
0 |
| ODI |
0 |
6 |
1 |
24 |
671 |
566 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
491 |
1420 |
90 |
14 |
| VCDI |
0 |
0 |
0 |
42 |
216 |
3571 |
9919 |
23406 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2999 |
96 |
405 |
274 |
26 |
0 |
0 |
| OW |
0 |
319 |
37 |
273 |
335 |
79 |
0 |
0 |
| VODI |
0 |
139 |
10 |
178 |
418 |
324 |
0 |
0 |
| ODI |
0 |
36 |
6 |
22 |
218 |
498 |
7 |
0 |
| CDI |
0 |
0 |
0 |
4 |
380 |
872 |
82 |
22 |
| VCDI |
0 |
0 |
0 |
51 |
600 |
3838 |
9920 |
23398 |
|
Date: 2020-12-09:
| 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 |
15 |
2437 |
78 |
261 |
109 |
0 |
0 |
0 |
| OW |
0 |
614 |
50 |
326 |
200 |
23 |
0 |
0 |
| VODI |
0 |
41 |
13 |
295 |
406 |
243 |
0 |
0 |
| ODI |
0 |
4 |
2 |
143 |
579 |
430 |
109 |
0 |
| CDI |
0 |
0 |
0 |
39 |
584 |
921 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
440 |
4187 |
6570 |
26530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15 |
2410 |
85 |
384 |
266 |
57 |
0 |
0 |
| OW |
0 |
463 |
37 |
254 |
207 |
179 |
0 |
0 |
| VODI |
0 |
183 |
16 |
240 |
318 |
369 |
13 |
0 |
| ODI |
0 |
36 |
4 |
89 |
308 |
383 |
170 |
0 |
| CDI |
0 |
4 |
1 |
71 |
298 |
582 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
921 |
4234 |
6466 |
26530 |
|
Date: 2020-12-11:
| 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 |
0 |
1158 |
70 |
604 |
288 |
12 |
0 |
0 |
| OW |
0 |
375 |
42 |
493 |
292 |
118 |
0 |
0 |
| VODI |
0 |
115 |
16 |
250 |
357 |
291 |
0 |
0 |
| ODI |
0 |
10 |
3 |
33 |
340 |
597 |
28 |
0 |
| CDI |
0 |
0 |
1 |
4 |
236 |
1134 |
179 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
234 |
5069 |
8029 |
25488 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1186 |
68 |
579 |
442 |
163 |
0 |
0 |
| OW |
0 |
260 |
37 |
449 |
268 |
246 |
6 |
0 |
| VODI |
0 |
141 |
21 |
298 |
337 |
442 |
62 |
0 |
| ODI |
0 |
69 |
5 |
51 |
283 |
518 |
139 |
0 |
| CDI |
0 |
2 |
1 |
6 |
104 |
796 |
206 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
313 |
5056 |
7823 |
25488 |
|
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