Validation of sea ice concentration - American sector
Bulletin date: 2018-12-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-12-07:
| 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 |
1239 |
16 |
161 |
132 |
56 |
0 |
0 |
| OW |
0 |
549 |
32 |
315 |
407 |
385 |
9 |
0 |
| VODI |
0 |
115 |
37 |
370 |
196 |
275 |
31 |
0 |
| ODI |
0 |
9 |
6 |
111 |
382 |
227 |
73 |
0 |
| CDI |
0 |
0 |
0 |
0 |
422 |
709 |
207 |
3 |
| VCDI |
0 |
0 |
0 |
19 |
311 |
2194 |
11418 |
25450 |
|
...date precedes bulletin
|
Date: 2018-12-09:
| 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 |
0 |
770 |
8 |
35 |
73 |
35 |
12 |
0 |
| OW |
0 |
393 |
42 |
240 |
250 |
337 |
260 |
0 |
| VODI |
0 |
18 |
13 |
263 |
384 |
291 |
146 |
0 |
| ODI |
0 |
0 |
0 |
54 |
363 |
312 |
130 |
0 |
| CDI |
0 |
0 |
0 |
3 |
229 |
747 |
273 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
247 |
2582 |
13244 |
24107 |
|
...date precedes bulletin
|
Date: 2018-12-11:
| 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 |
248 |
8 |
47 |
30 |
9 |
0 |
0 |
| OW |
0 |
326 |
23 |
151 |
168 |
33 |
0 |
0 |
| VODI |
0 |
74 |
21 |
236 |
437 |
139 |
3 |
0 |
| ODI |
0 |
0 |
0 |
27 |
438 |
580 |
584 |
0 |
| CDI |
0 |
0 |
0 |
0 |
380 |
976 |
693 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
190 |
3071 |
11809 |
25160 |
|
...date precedes bulletin
|
Date: 2018-12-13:
| 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 |
0 |
23 |
2 |
23 |
7 |
0 |
0 |
0 |
| OW |
0 |
102 |
7 |
73 |
99 |
7 |
0 |
0 |
| VODI |
0 |
120 |
19 |
309 |
482 |
130 |
6 |
0 |
| ODI |
0 |
1 |
1 |
115 |
897 |
487 |
86 |
0 |
| CDI |
0 |
0 |
0 |
49 |
1227 |
923 |
196 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
415 |
2756 |
11282 |
26019 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
38 |
5 |
53 |
28 |
3 |
0 |
0 |
| OW |
0 |
84 |
3 |
75 |
89 |
14 |
0 |
0 |
| VODI |
0 |
112 |
19 |
245 |
418 |
79 |
2 |
0 |
| ODI |
0 |
11 |
1 |
111 |
787 |
384 |
70 |
0 |
| CDI |
0 |
1 |
1 |
72 |
1293 |
952 |
213 |
3 |
| VCDI |
0 |
0 |
0 |
13 |
512 |
2871 |
11285 |
26019 |
|
Date: 2018-12-15:
| 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 |
0 |
12 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
94 |
6 |
10 |
41 |
28 |
0 |
0 |
| VODI |
0 |
56 |
5 |
91 |
369 |
212 |
50 |
0 |
| ODI |
0 |
0 |
0 |
71 |
886 |
673 |
151 |
0 |
| CDI |
0 |
0 |
0 |
109 |
922 |
1042 |
306 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
279 |
2410 |
10927 |
27112 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
1 |
4 |
12 |
9 |
0 |
0 |
| OW |
0 |
60 |
7 |
7 |
63 |
32 |
0 |
0 |
| VODI |
0 |
77 |
4 |
79 |
302 |
155 |
1 |
0 |
| ODI |
0 |
0 |
0 |
50 |
797 |
518 |
129 |
0 |
| CDI |
0 |
0 |
0 |
93 |
909 |
1171 |
295 |
0 |
| VCDI |
0 |
0 |
0 |
50 |
414 |
2480 |
11009 |
27113 |
|
Date: 2018-12-17:
| 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 |
0 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
139 |
11 |
137 |
27 |
0 |
0 |
0 |
| VODI |
0 |
91 |
13 |
370 |
410 |
27 |
0 |
0 |
| ODI |
0 |
0 |
0 |
64 |
761 |
420 |
58 |
0 |
| CDI |
0 |
0 |
0 |
3 |
420 |
1798 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
3493 |
13437 |
23845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
10 |
2 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
0 |
5 |
18 |
3 |
0 |
0 |
| VODI |
0 |
118 |
10 |
61 |
181 |
77 |
7 |
0 |
| ODI |
0 |
50 |
8 |
296 |
575 |
585 |
74 |
0 |
| CDI |
0 |
17 |
4 |
170 |
520 |
986 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
430 |
4087 |
13497 |
23845 |
|
Date: 2018-12-19:
| 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 |
0 |
0 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
45 |
0 |
47 |
54 |
6 |
0 |
0 |
| VODI |
0 |
80 |
13 |
242 |
595 |
138 |
5 |
0 |
| ODI |
0 |
2 |
2 |
25 |
242 |
787 |
101 |
0 |
| CDI |
0 |
0 |
0 |
7 |
244 |
657 |
318 |
2 |
| VCDI |
0 |
0 |
0 |
6 |
137 |
1780 |
13142 |
27182 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
17 |
0 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
44 |
2 |
18 |
89 |
73 |
0 |
0 |
| ODI |
0 |
66 |
13 |
172 |
488 |
392 |
144 |
0 |
| CDI |
0 |
0 |
0 |
108 |
285 |
793 |
453 |
4 |
| VCDI |
0 |
0 |
0 |
13 |
410 |
2110 |
12969 |
27180 |
|
Date: 2018-12-21:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
6 |
1 |
27 |
0 |
7 |
0 |
0 |
| VODI |
0 |
32 |
7 |
138 |
211 |
114 |
0 |
0 |
| ODI |
0 |
4 |
1 |
138 |
485 |
344 |
62 |
11 |
| CDI |
0 |
0 |
0 |
0 |
178 |
641 |
427 |
150 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
1336 |
9279 |
32211 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
10 |
2 |
34 |
9 |
35 |
0 |
0 |
| ODI |
0 |
32 |
6 |
59 |
215 |
308 |
40 |
1 |
| CDI |
0 |
0 |
1 |
194 |
491 |
417 |
312 |
66 |
| VCDI |
0 |
0 |
0 |
4 |
215 |
1682 |
9416 |
32305 |
|
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