Validation of sea ice concentration
Bulletin date: 2016-07-28
Model vs. observations, sea ice class contingency tables
Date: 2016-07-22:
| 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 |
24528 |
5631 |
840 |
172 |
86 |
28 |
46 |
128 |
| OW |
0 |
2 |
39 |
76 |
92 |
60 |
102 |
10 |
| VODI |
0 |
0 |
1 |
43 |
130 |
178 |
366 |
31 |
| ODI |
0 |
0 |
0 |
17 |
40 |
82 |
1090 |
88 |
| CDI |
0 |
0 |
0 |
1 |
4 |
12 |
1185 |
3014 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
10 |
27 |
|
...date precedes bulletin
|
Date: 2016-07-26:
| 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 |
24558 |
5336 |
901 |
306 |
229 |
63 |
75 |
0 |
| OW |
0 |
0 |
8 |
56 |
79 |
77 |
79 |
0 |
| VODI |
0 |
0 |
2 |
49 |
115 |
207 |
248 |
18 |
| ODI |
0 |
0 |
1 |
9 |
26 |
169 |
878 |
54 |
| CDI |
0 |
0 |
1 |
0 |
4 |
22 |
1743 |
2809 |
| VCDI |
0 |
0 |
4 |
2 |
4 |
0 |
26 |
1 |
|
...date precedes bulletin
|
Date: 2016-07-28:
| 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 |
24114 |
5430 |
1206 |
457 |
187 |
62 |
29 |
0 |
| OW |
0 |
0 |
9 |
98 |
102 |
89 |
66 |
0 |
| VODI |
0 |
0 |
11 |
48 |
192 |
271 |
255 |
3 |
| ODI |
0 |
0 |
1 |
6 |
33 |
228 |
841 |
36 |
| CDI |
0 |
0 |
1 |
0 |
5 |
11 |
1576 |
2757 |
| VCDI |
0 |
0 |
4 |
2 |
4 |
0 |
24 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24114 |
5430 |
1202 |
459 |
171 |
69 |
28 |
0 |
| OW |
0 |
0 |
13 |
92 |
100 |
69 |
57 |
0 |
| VODI |
0 |
0 |
11 |
50 |
198 |
229 |
221 |
5 |
| ODI |
0 |
0 |
1 |
8 |
45 |
249 |
586 |
29 |
| CDI |
0 |
0 |
3 |
0 |
6 |
45 |
1864 |
2737 |
| VCDI |
0 |
0 |
2 |
2 |
3 |
0 |
35 |
26 |
|
Date: 2016-08-01:
| 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 |
24862 |
4951 |
657 |
510 |
204 |
109 |
51 |
0 |
| OW |
0 |
0 |
7 |
78 |
130 |
96 |
41 |
0 |
| VODI |
0 |
0 |
2 |
37 |
146 |
265 |
157 |
0 |
| ODI |
0 |
0 |
0 |
7 |
61 |
226 |
998 |
6 |
| CDI |
0 |
0 |
0 |
5 |
6 |
6 |
1614 |
2776 |
| VCDI |
0 |
0 |
0 |
7 |
5 |
4 |
34 |
101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24862 |
4951 |
654 |
493 |
195 |
138 |
81 |
0 |
| OW |
0 |
0 |
7 |
88 |
163 |
122 |
58 |
0 |
| VODI |
0 |
0 |
5 |
45 |
152 |
337 |
339 |
0 |
| ODI |
0 |
0 |
0 |
7 |
32 |
87 |
863 |
50 |
| CDI |
0 |
0 |
0 |
5 |
6 |
18 |
1539 |
2833 |
| VCDI |
0 |
0 |
0 |
6 |
4 |
4 |
15 |
0 |
|
Date: 2016-08-03:
| 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 |
24438 |
5203 |
1071 |
370 |
162 |
97 |
33 |
0 |
| OW |
0 |
2 |
39 |
139 |
122 |
90 |
30 |
0 |
| VODI |
0 |
0 |
16 |
150 |
272 |
217 |
108 |
0 |
| ODI |
0 |
0 |
1 |
17 |
115 |
463 |
790 |
4 |
| CDI |
0 |
0 |
1 |
6 |
6 |
86 |
1819 |
2227 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
3 |
48 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24438 |
5205 |
1058 |
370 |
211 |
130 |
58 |
0 |
| OW |
0 |
0 |
47 |
172 |
157 |
81 |
40 |
0 |
| VODI |
0 |
0 |
21 |
129 |
267 |
349 |
172 |
0 |
| ODI |
0 |
0 |
1 |
7 |
39 |
305 |
824 |
31 |
| CDI |
0 |
0 |
1 |
5 |
4 |
88 |
1721 |
2201 |
| VCDI |
0 |
0 |
0 |
6 |
5 |
3 |
13 |
0 |
|
Date: 2016-08-05:
| 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 |
24166 |
5061 |
1004 |
736 |
234 |
79 |
50 |
0 |
| OW |
0 |
0 |
8 |
158 |
181 |
87 |
34 |
0 |
| VODI |
0 |
0 |
4 |
74 |
324 |
356 |
96 |
0 |
| ODI |
0 |
0 |
0 |
5 |
122 |
597 |
602 |
2 |
| CDI |
0 |
0 |
0 |
5 |
14 |
182 |
1871 |
2074 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
3 |
14 |
3 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24166 |
5061 |
1007 |
770 |
348 |
153 |
86 |
0 |
| OW |
0 |
0 |
6 |
134 |
211 |
167 |
66 |
0 |
| VODI |
0 |
0 |
3 |
67 |
280 |
471 |
188 |
0 |
| ODI |
0 |
0 |
0 |
5 |
33 |
486 |
889 |
33 |
| CDI |
0 |
0 |
0 |
4 |
5 |
24 |
1425 |
2046 |
| VCDI |
0 |
0 |
0 |
5 |
4 |
3 |
13 |
0 |
|
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