Validation of sea ice concentration - American sector
Bulletin date: 2017-08-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-08-11:
| 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 |
16766 |
7761 |
83 |
364 |
31 |
0 |
0 |
0 |
| OW |
0 |
625 |
26 |
452 |
43 |
0 |
0 |
0 |
| VODI |
0 |
219 |
50 |
706 |
465 |
0 |
0 |
0 |
| ODI |
0 |
11 |
6 |
547 |
2572 |
254 |
0 |
0 |
| CDI |
0 |
0 |
0 |
93 |
2275 |
3617 |
90 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
18 |
3643 |
4556 |
589 |
|
...date precedes bulletin
|
Date: 2017-08-13:
| 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 |
17426 |
7122 |
81 |
313 |
38 |
0 |
0 |
0 |
| OW |
0 |
748 |
38 |
403 |
71 |
0 |
0 |
0 |
| VODI |
0 |
298 |
50 |
660 |
590 |
2 |
0 |
0 |
| ODI |
0 |
31 |
9 |
536 |
2708 |
160 |
0 |
0 |
| CDI |
0 |
5 |
3 |
268 |
2561 |
3371 |
156 |
5 |
| VCDI |
0 |
0 |
0 |
5 |
84 |
4168 |
3726 |
230 |
|
...date precedes bulletin
|
Date: 2017-08-15:
| 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 |
17109 |
7807 |
81 |
227 |
20 |
1 |
0 |
0 |
| OW |
0 |
928 |
55 |
463 |
29 |
0 |
0 |
0 |
| VODI |
0 |
124 |
31 |
1103 |
519 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
268 |
3677 |
262 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
956 |
5271 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
19 |
3055 |
3682 |
94 |
|
...date precedes bulletin
|
Date: 2017-08-17:
| 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 |
18130 |
7014 |
59 |
258 |
18 |
0 |
0 |
0 |
| OW |
0 |
1043 |
65 |
476 |
56 |
0 |
0 |
0 |
| VODI |
0 |
115 |
37 |
984 |
970 |
2 |
0 |
0 |
| ODI |
0 |
0 |
2 |
221 |
3271 |
281 |
4 |
0 |
| CDI |
0 |
0 |
0 |
10 |
1910 |
3938 |
206 |
2 |
| VCDI |
0 |
0 |
0 |
5 |
3 |
3314 |
3456 |
16 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18130 |
7252 |
68 |
363 |
34 |
0 |
0 |
0 |
| OW |
0 |
709 |
42 |
390 |
81 |
0 |
0 |
0 |
| VODI |
0 |
208 |
51 |
874 |
783 |
12 |
0 |
0 |
| ODI |
0 |
3 |
2 |
305 |
3301 |
315 |
5 |
0 |
| CDI |
0 |
0 |
0 |
18 |
2028 |
3943 |
235 |
2 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
3265 |
3426 |
16 |
|
Date: 2017-08-19:
| 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 |
18293 |
6990 |
53 |
242 |
86 |
1 |
0 |
0 |
| OW |
0 |
1025 |
42 |
477 |
68 |
0 |
0 |
0 |
| VODI |
0 |
205 |
41 |
892 |
1289 |
14 |
0 |
0 |
| ODI |
0 |
6 |
4 |
515 |
2569 |
546 |
3 |
0 |
| CDI |
0 |
0 |
0 |
77 |
1586 |
3590 |
1134 |
8 |
| VCDI |
0 |
0 |
0 |
4 |
19 |
994 |
3827 |
1266 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18293 |
7169 |
63 |
347 |
113 |
1 |
0 |
0 |
| OW |
0 |
707 |
19 |
396 |
103 |
1 |
0 |
0 |
| VODI |
0 |
342 |
53 |
824 |
1011 |
41 |
0 |
0 |
| ODI |
0 |
8 |
5 |
536 |
2752 |
564 |
5 |
0 |
| CDI |
0 |
0 |
0 |
101 |
1624 |
3556 |
1157 |
4 |
| VCDI |
0 |
0 |
0 |
3 |
14 |
982 |
3802 |
1270 |
|
Date: 2017-08-21:
| 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 |
19259 |
5620 |
53 |
251 |
69 |
2 |
0 |
0 |
| OW |
273 |
1343 |
65 |
388 |
18 |
0 |
0 |
0 |
| VODI |
0 |
114 |
27 |
1400 |
313 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
209 |
4483 |
193 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
978 |
3756 |
406 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
360 |
3784 |
2415 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19532 |
6053 |
61 |
400 |
106 |
2 |
0 |
0 |
| OW |
0 |
709 |
34 |
413 |
93 |
0 |
0 |
0 |
| VODI |
0 |
304 |
46 |
973 |
1151 |
25 |
0 |
0 |
| ODI |
0 |
11 |
4 |
419 |
2900 |
442 |
5 |
0 |
| CDI |
0 |
0 |
0 |
67 |
1593 |
3637 |
1282 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
78 |
206 |
2903 |
2415 |
|
Date: 2017-08-23:
| 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 |
18638 |
6794 |
62 |
268 |
18 |
0 |
0 |
0 |
| OW |
122 |
1228 |
67 |
482 |
11 |
0 |
0 |
0 |
| VODI |
0 |
82 |
42 |
1205 |
622 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
356 |
4027 |
403 |
3 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1289 |
2973 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
23 |
910 |
4102 |
1854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18760 |
7052 |
62 |
424 |
51 |
0 |
0 |
0 |
| OW |
0 |
702 |
42 |
350 |
88 |
7 |
0 |
0 |
| VODI |
0 |
330 |
62 |
914 |
1309 |
62 |
0 |
0 |
| ODI |
0 |
20 |
5 |
539 |
2653 |
560 |
0 |
0 |
| CDI |
0 |
0 |
0 |
121 |
1877 |
3194 |
1273 |
11 |
| VCDI |
0 |
0 |
0 |
1 |
12 |
464 |
3078 |
1843 |
|
Date: 2017-08-25:
| 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 |
19341 |
5959 |
59 |
286 |
8 |
0 |
0 |
0 |
| OW |
176 |
1369 |
64 |
474 |
16 |
0 |
0 |
0 |
| VODI |
0 |
199 |
53 |
1096 |
854 |
2 |
0 |
0 |
| ODI |
0 |
6 |
4 |
522 |
3742 |
354 |
0 |
0 |
| CDI |
0 |
0 |
0 |
114 |
1576 |
2624 |
162 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
40 |
1941 |
4374 |
449 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19517 |
6360 |
68 |
455 |
54 |
0 |
0 |
0 |
| OW |
0 |
713 |
40 |
339 |
75 |
3 |
0 |
0 |
| VODI |
0 |
405 |
58 |
828 |
1467 |
82 |
0 |
0 |
| ODI |
0 |
55 |
13 |
592 |
2642 |
467 |
0 |
0 |
| CDI |
0 |
0 |
1 |
278 |
1961 |
2928 |
881 |
54 |
| VCDI |
0 |
0 |
0 |
2 |
37 |
1441 |
3655 |
395 |
|
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