Validation of sea ice concentration - American sector
Bulletin date: 2020-10-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-10-16:
| 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 |
14009 |
6622 |
88 |
644 |
163 |
5 |
0 |
0 |
| OW |
0 |
333 |
29 |
377 |
308 |
29 |
0 |
0 |
| VODI |
0 |
246 |
30 |
193 |
419 |
119 |
0 |
0 |
| ODI |
0 |
26 |
8 |
121 |
399 |
274 |
5 |
0 |
| CDI |
0 |
0 |
1 |
51 |
189 |
774 |
313 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
246 |
1384 |
9704 |
8754 |
|
...date precedes bulletin
|
Date: 2020-10-18:
| 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 |
14895 |
5266 |
78 |
390 |
193 |
38 |
0 |
0 |
| OW |
1 |
425 |
51 |
329 |
356 |
56 |
0 |
0 |
| VODI |
0 |
103 |
22 |
225 |
543 |
180 |
2 |
0 |
| ODI |
0 |
34 |
5 |
76 |
271 |
362 |
20 |
0 |
| CDI |
0 |
4 |
3 |
39 |
130 |
662 |
122 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
150 |
1468 |
10613 |
8747 |
|
...date precedes bulletin
|
Date: 2020-10-20:
| 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 |
13543 |
6701 |
65 |
238 |
71 |
0 |
0 |
0 |
| OW |
0 |
279 |
38 |
296 |
76 |
8 |
0 |
0 |
| VODI |
0 |
49 |
13 |
446 |
384 |
37 |
0 |
0 |
| ODI |
0 |
3 |
3 |
77 |
878 |
100 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
355 |
818 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
1711 |
7042 |
12556 |
|
...date precedes bulletin
|
Date: 2020-10-22:
| 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 |
14064 |
5891 |
45 |
188 |
60 |
0 |
0 |
0 |
| OW |
1 |
566 |
41 |
250 |
106 |
2 |
0 |
0 |
| VODI |
0 |
115 |
26 |
499 |
218 |
41 |
0 |
0 |
| ODI |
0 |
1 |
0 |
86 |
765 |
92 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
653 |
388 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
139 |
2961 |
5970 |
12684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14053 |
6097 |
48 |
227 |
99 |
0 |
0 |
0 |
| OW |
12 |
407 |
45 |
230 |
79 |
9 |
0 |
0 |
| VODI |
0 |
69 |
19 |
469 |
222 |
35 |
0 |
0 |
| ODI |
0 |
0 |
0 |
98 |
562 |
85 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
720 |
344 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
259 |
3011 |
5970 |
12684 |
|
Date: 2020-10-24:
| 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 |
13664 |
5680 |
56 |
276 |
47 |
0 |
0 |
0 |
| OW |
45 |
529 |
49 |
432 |
176 |
11 |
0 |
0 |
| VODI |
0 |
55 |
24 |
316 |
586 |
53 |
0 |
0 |
| ODI |
0 |
0 |
0 |
47 |
543 |
322 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
362 |
735 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
167 |
3026 |
6350 |
12285 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13657 |
5761 |
66 |
335 |
86 |
2 |
0 |
0 |
| OW |
52 |
465 |
49 |
399 |
146 |
15 |
0 |
0 |
| VODI |
0 |
38 |
14 |
294 |
592 |
61 |
0 |
0 |
| ODI |
0 |
0 |
0 |
44 |
457 |
205 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
395 |
670 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
205 |
3194 |
6343 |
12285 |
|
Date: 2020-10-26:
| 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 |
12025 |
7005 |
105 |
490 |
66 |
0 |
0 |
0 |
| OW |
0 |
111 |
38 |
372 |
112 |
2 |
0 |
0 |
| VODI |
0 |
9 |
6 |
261 |
395 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
831 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
190 |
1484 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1170 |
6151 |
14799 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12025 |
6651 |
87 |
464 |
131 |
2 |
0 |
0 |
| OW |
0 |
439 |
49 |
350 |
239 |
29 |
0 |
0 |
| VODI |
0 |
35 |
13 |
317 |
729 |
219 |
2 |
0 |
| ODI |
0 |
0 |
0 |
21 |
225 |
386 |
14 |
0 |
| CDI |
0 |
0 |
0 |
1 |
176 |
672 |
165 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
123 |
1500 |
6003 |
14799 |
|
Date: 2020-10-28:
| 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 |
12020 |
6154 |
107 |
602 |
240 |
3 |
0 |
0 |
| OW |
0 |
82 |
19 |
403 |
365 |
24 |
0 |
0 |
| VODI |
0 |
8 |
11 |
217 |
400 |
124 |
0 |
0 |
| ODI |
0 |
0 |
1 |
45 |
371 |
318 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
196 |
960 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
1515 |
4768 |
16782 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12015 |
5779 |
86 |
475 |
258 |
18 |
0 |
0 |
| OW |
5 |
398 |
35 |
372 |
229 |
50 |
0 |
0 |
| VODI |
0 |
67 |
17 |
370 |
652 |
313 |
8 |
0 |
| ODI |
0 |
0 |
0 |
54 |
298 |
436 |
43 |
0 |
| CDI |
0 |
0 |
0 |
1 |
147 |
542 |
136 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
1585 |
4659 |
16781 |
|
Date: 2020-10-30:
| 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 |
11233 |
5491 |
109 |
722 |
309 |
21 |
0 |
0 |
| OW |
7 |
57 |
13 |
460 |
723 |
108 |
4 |
0 |
| VODI |
0 |
10 |
2 |
66 |
586 |
425 |
6 |
0 |
| ODI |
0 |
0 |
0 |
32 |
166 |
425 |
64 |
0 |
| CDI |
0 |
0 |
0 |
21 |
109 |
530 |
311 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
947 |
4907 |
17926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11210 |
5198 |
75 |
442 |
144 |
46 |
3 |
0 |
| OW |
21 |
295 |
34 |
519 |
552 |
88 |
2 |
0 |
| VODI |
9 |
62 |
14 |
291 |
917 |
373 |
9 |
0 |
| ODI |
0 |
3 |
1 |
30 |
181 |
652 |
37 |
0 |
| CDI |
0 |
0 |
0 |
19 |
130 |
491 |
265 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
806 |
4976 |
17912 |
|
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