Validation of sea ice concentration - American sector
Bulletin date: 2020-11-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2020-11-01:
| 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 |
9314 |
6382 |
85 |
668 |
137 |
37 |
0 |
0 |
| OW |
10 |
83 |
18 |
326 |
813 |
284 |
4 |
0 |
| VODI |
0 |
9 |
2 |
61 |
569 |
674 |
44 |
0 |
| ODI |
0 |
0 |
0 |
18 |
227 |
540 |
105 |
0 |
| CDI |
0 |
0 |
0 |
9 |
120 |
493 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
955 |
4885 |
18660 |
|
...date precedes bulletin
|
Date: 2020-11-03:
| 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 |
8782 |
6221 |
90 |
541 |
170 |
6 |
0 |
0 |
| OW |
26 |
158 |
22 |
247 |
236 |
11 |
0 |
0 |
| VODI |
1 |
10 |
2 |
53 |
519 |
68 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
459 |
755 |
21 |
0 |
| CDI |
0 |
0 |
0 |
0 |
204 |
1354 |
346 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
1236 |
4774 |
19494 |
|
...date precedes bulletin
|
Date: 2020-11-05:
| 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 |
7944 |
6362 |
81 |
435 |
134 |
1 |
0 |
0 |
| OW |
43 |
200 |
16 |
224 |
373 |
27 |
0 |
0 |
| VODI |
4 |
70 |
18 |
211 |
411 |
118 |
0 |
0 |
| ODI |
0 |
0 |
0 |
26 |
264 |
354 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
280 |
742 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
420 |
1623 |
5092 |
19960 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7942 |
6381 |
88 |
551 |
262 |
10 |
0 |
0 |
| OW |
46 |
163 |
8 |
108 |
324 |
27 |
0 |
0 |
| VODI |
3 |
86 |
18 |
174 |
300 |
171 |
0 |
0 |
| ODI |
0 |
2 |
1 |
63 |
271 |
404 |
13 |
0 |
| CDI |
0 |
0 |
0 |
2 |
268 |
685 |
543 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
457 |
1568 |
4967 |
19960 |
|
Date: 2020-11-07:
| 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 |
8442 |
5074 |
69 |
219 |
50 |
0 |
0 |
0 |
| OW |
86 |
469 |
28 |
349 |
433 |
14 |
0 |
0 |
| VODI |
4 |
36 |
13 |
193 |
492 |
88 |
2 |
0 |
| ODI |
0 |
6 |
1 |
122 |
313 |
173 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
242 |
448 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
208 |
2678 |
7239 |
18334 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8454 |
5201 |
79 |
340 |
184 |
0 |
0 |
0 |
| OW |
73 |
344 |
17 |
200 |
379 |
20 |
0 |
0 |
| VODI |
5 |
29 |
14 |
196 |
399 |
125 |
2 |
0 |
| ODI |
0 |
11 |
1 |
105 |
299 |
174 |
0 |
0 |
| CDI |
0 |
0 |
0 |
58 |
232 |
462 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
245 |
2620 |
7191 |
18334 |
|
Date: 2020-11-09:
| 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 |
7765 |
5384 |
57 |
191 |
21 |
0 |
0 |
0 |
| OW |
38 |
194 |
38 |
285 |
39 |
0 |
0 |
0 |
| VODI |
15 |
56 |
18 |
385 |
328 |
27 |
0 |
0 |
| ODI |
0 |
1 |
0 |
65 |
692 |
274 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
411 |
677 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
2370 |
7361 |
19093 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7754 |
5014 |
69 |
365 |
133 |
1 |
0 |
0 |
| OW |
38 |
322 |
25 |
266 |
267 |
62 |
0 |
0 |
| VODI |
26 |
286 |
14 |
135 |
523 |
139 |
2 |
0 |
| ODI |
0 |
13 |
4 |
66 |
208 |
298 |
0 |
0 |
| CDI |
0 |
0 |
1 |
52 |
173 |
364 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
261 |
2484 |
7363 |
19093 |
|
Date: 2020-11-11:
| 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 |
7246 |
5571 |
57 |
150 |
2 |
0 |
0 |
0 |
| OW |
49 |
377 |
24 |
192 |
32 |
0 |
0 |
0 |
| VODI |
29 |
119 |
22 |
320 |
198 |
7 |
0 |
0 |
| ODI |
4 |
13 |
7 |
163 |
323 |
139 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
468 |
487 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
267 |
2766 |
7806 |
18961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7249 |
5156 |
61 |
211 |
99 |
18 |
0 |
0 |
| OW |
39 |
439 |
22 |
207 |
96 |
46 |
0 |
0 |
| VODI |
36 |
433 |
19 |
237 |
271 |
158 |
14 |
0 |
| ODI |
4 |
43 |
7 |
102 |
327 |
231 |
9 |
0 |
| CDI |
0 |
9 |
1 |
50 |
202 |
341 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
53 |
295 |
2605 |
7805 |
18961 |
|
Date: 2020-11-13:
| 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 |
6286 |
5323 |
63 |
160 |
6 |
0 |
0 |
0 |
| OW |
36 |
641 |
27 |
234 |
73 |
6 |
0 |
0 |
| VODI |
12 |
350 |
19 |
174 |
299 |
20 |
0 |
0 |
| ODI |
0 |
59 |
10 |
102 |
253 |
203 |
1 |
0 |
| CDI |
0 |
1 |
0 |
34 |
278 |
373 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
501 |
1933 |
7732 |
20639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6299 |
5191 |
59 |
139 |
75 |
43 |
0 |
0 |
| OW |
16 |
478 |
34 |
288 |
114 |
118 |
6 |
0 |
| VODI |
6 |
308 |
9 |
139 |
312 |
200 |
39 |
0 |
| ODI |
13 |
303 |
8 |
58 |
259 |
243 |
41 |
0 |
| CDI |
0 |
94 |
9 |
66 |
198 |
200 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
452 |
1731 |
7558 |
20639 |
|
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