Validation of sea ice concentration - American sector
Bulletin date: 2018-12-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-12-14:
| 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 |
25 |
1 |
1 |
4 |
0 |
0 |
0 |
| OW |
0 |
83 |
5 |
52 |
78 |
13 |
0 |
0 |
| VODI |
0 |
57 |
10 |
221 |
461 |
140 |
36 |
0 |
| ODI |
0 |
0 |
0 |
105 |
1050 |
565 |
156 |
0 |
| CDI |
0 |
0 |
0 |
127 |
1155 |
694 |
292 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
410 |
2304 |
10027 |
27793 |
|
...date precedes bulletin
|
Date: 2018-12-16:
| 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 |
0 |
4 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
86 |
2 |
6 |
19 |
0 |
0 |
0 |
| VODI |
0 |
116 |
20 |
106 |
318 |
215 |
21 |
0 |
| ODI |
0 |
1 |
1 |
174 |
643 |
692 |
22 |
0 |
| CDI |
0 |
0 |
0 |
246 |
544 |
1213 |
217 |
3 |
| VCDI |
0 |
0 |
0 |
3 |
306 |
2769 |
11856 |
26261 |
|
...date precedes bulletin
|
Date: 2018-12-18:
| 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 |
0 |
20 |
1 |
5 |
11 |
0 |
0 |
0 |
| OW |
0 |
115 |
8 |
174 |
101 |
10 |
0 |
0 |
| VODI |
0 |
68 |
15 |
249 |
448 |
216 |
1 |
0 |
| ODI |
0 |
0 |
0 |
32 |
341 |
663 |
100 |
0 |
| CDI |
0 |
0 |
0 |
43 |
289 |
763 |
385 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
158 |
2696 |
14300 |
24649 |
|
...date precedes bulletin
|
Date: 2018-12-20:
| 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 |
0 |
0 |
0 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
2 |
49 |
30 |
0 |
0 |
0 |
| VODI |
0 |
69 |
8 |
202 |
556 |
61 |
0 |
0 |
| ODI |
0 |
7 |
3 |
57 |
325 |
601 |
32 |
0 |
| CDI |
0 |
0 |
0 |
4 |
153 |
794 |
323 |
4 |
| VCDI |
0 |
0 |
0 |
1 |
102 |
1314 |
10951 |
30191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
7 |
1 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
20 |
3 |
32 |
24 |
0 |
0 |
0 |
| VODI |
0 |
64 |
6 |
181 |
542 |
76 |
0 |
0 |
| ODI |
0 |
8 |
3 |
77 |
336 |
576 |
63 |
0 |
| CDI |
0 |
0 |
0 |
4 |
158 |
840 |
284 |
6 |
| VCDI |
0 |
0 |
0 |
1 |
106 |
1278 |
10959 |
30189 |
|
Date: 2018-12-22:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
2 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
71 |
41 |
70 |
0 |
0 |
| ODI |
0 |
0 |
0 |
125 |
615 |
278 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
333 |
455 |
329 |
112 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
1658 |
7188 |
34502 |
|
|
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 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
10 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
52 |
31 |
74 |
0 |
0 |
| ODI |
0 |
0 |
0 |
134 |
574 |
300 |
21 |
5 |
| CDI |
0 |
0 |
0 |
4 |
373 |
482 |
284 |
131 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
1605 |
7225 |
34478 |
|
Date: 2018-12-24:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
8 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
282 |
40 |
5 |
0 |
| CDI |
0 |
0 |
0 |
15 |
463 |
768 |
185 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
245 |
1835 |
8257 |
33736 |
|
|
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 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
3 |
14 |
17 |
0 |
| ODI |
0 |
0 |
0 |
3 |
128 |
41 |
86 |
0 |
| CDI |
0 |
0 |
0 |
21 |
429 |
525 |
197 |
25 |
| VCDI |
0 |
0 |
0 |
7 |
438 |
2068 |
8147 |
33716 |
|
Date: 2018-12-26:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
60 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
60 |
245 |
186 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
424 |
2424 |
12152 |
30190 |
|
|
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 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
35 |
6 |
1 |
0 |
| ODI |
0 |
0 |
0 |
48 |
60 |
18 |
50 |
0 |
| CDI |
0 |
0 |
0 |
43 |
200 |
181 |
278 |
19 |
| VCDI |
0 |
0 |
0 |
24 |
435 |
2418 |
11877 |
30171 |
|
Date: 2018-12-28:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
5 |
3 |
0 |
| CDI |
0 |
0 |
0 |
3 |
194 |
164 |
33 |
1 |
| VCDI |
0 |
0 |
0 |
19 |
590 |
2124 |
12037 |
30693 |
|
|
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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
3 |
0 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
24 |
13 |
39 |
1 |
| CDI |
0 |
0 |
0 |
0 |
162 |
211 |
183 |
53 |
| VCDI |
0 |
0 |
0 |
22 |
595 |
2069 |
11849 |
30640 |
|
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