Validation of sea ice concentration
Bulletin date: 2016-07-21
Model vs. observations, sea ice class contingency tables
Date: 2016-07-15:
| 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 |
24171 |
5578 |
759 |
251 |
83 |
51 |
136 |
13 |
| OW |
0 |
6 |
124 |
118 |
106 |
102 |
101 |
0 |
| VODI |
0 |
2 |
18 |
54 |
98 |
208 |
371 |
2 |
| ODI |
0 |
0 |
9 |
6 |
26 |
87 |
664 |
4 |
| CDI |
0 |
0 |
1 |
2 |
9 |
58 |
1731 |
2879 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
13 |
318 |
|
...date precedes bulletin
|
Date: 2016-07-19:
| 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 |
24975 |
4966 |
920 |
288 |
131 |
54 |
112 |
0 |
| OW |
0 |
1 |
43 |
45 |
77 |
68 |
94 |
0 |
| VODI |
0 |
0 |
10 |
47 |
78 |
221 |
259 |
0 |
| ODI |
0 |
0 |
0 |
22 |
39 |
178 |
769 |
38 |
| CDI |
0 |
0 |
0 |
4 |
12 |
42 |
1917 |
2709 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
32 |
2 |
|
...date precedes bulletin
|
Date: 2016-07-21:
| 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 |
24430 |
5512 |
1045 |
357 |
55 |
17 |
94 |
0 |
| OW |
0 |
3 |
85 |
86 |
69 |
37 |
74 |
0 |
| VODI |
0 |
4 |
14 |
109 |
129 |
163 |
318 |
2 |
| ODI |
0 |
0 |
0 |
19 |
28 |
104 |
1025 |
43 |
| CDI |
0 |
0 |
0 |
8 |
9 |
30 |
1511 |
2741 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
31 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24430 |
5511 |
1039 |
363 |
56 |
24 |
101 |
0 |
| OW |
0 |
5 |
81 |
77 |
65 |
30 |
66 |
0 |
| VODI |
0 |
3 |
24 |
99 |
121 |
159 |
297 |
4 |
| ODI |
0 |
0 |
0 |
30 |
39 |
105 |
737 |
44 |
| CDI |
0 |
0 |
0 |
10 |
9 |
33 |
1822 |
2725 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
30 |
14 |
|
Date: 2016-07-25:
| 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 |
24589 |
5327 |
894 |
270 |
236 |
74 |
72 |
0 |
| OW |
0 |
0 |
5 |
58 |
94 |
62 |
61 |
0 |
| VODI |
0 |
0 |
3 |
45 |
144 |
165 |
174 |
7 |
| ODI |
0 |
0 |
1 |
15 |
50 |
184 |
795 |
51 |
| CDI |
0 |
0 |
1 |
0 |
0 |
17 |
1649 |
3043 |
| VCDI |
0 |
0 |
4 |
2 |
4 |
0 |
27 |
36 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24589 |
5327 |
887 |
242 |
189 |
70 |
88 |
0 |
| OW |
0 |
0 |
13 |
71 |
167 |
101 |
86 |
0 |
| VODI |
0 |
0 |
2 |
48 |
137 |
204 |
403 |
7 |
| ODI |
0 |
0 |
1 |
26 |
28 |
119 |
1132 |
126 |
| CDI |
0 |
0 |
1 |
1 |
4 |
8 |
1043 |
3003 |
| VCDI |
0 |
0 |
4 |
2 |
3 |
0 |
26 |
1 |
|
Date: 2016-07-27:
| 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 |
24324 |
5522 |
988 |
408 |
148 |
53 |
30 |
0 |
| OW |
0 |
0 |
8 |
85 |
100 |
75 |
67 |
0 |
| VODI |
0 |
0 |
2 |
65 |
161 |
211 |
278 |
9 |
| ODI |
0 |
0 |
1 |
11 |
38 |
220 |
847 |
32 |
| CDI |
0 |
0 |
1 |
4 |
6 |
25 |
1834 |
2569 |
| VCDI |
0 |
0 |
4 |
2 |
4 |
0 |
26 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24324 |
5522 |
967 |
346 |
99 |
56 |
50 |
0 |
| OW |
0 |
0 |
18 |
115 |
169 |
103 |
69 |
0 |
| VODI |
0 |
0 |
13 |
79 |
140 |
251 |
496 |
17 |
| ODI |
0 |
0 |
1 |
32 |
39 |
161 |
1198 |
242 |
| CDI |
0 |
0 |
1 |
1 |
7 |
13 |
1244 |
2351 |
| VCDI |
0 |
0 |
4 |
2 |
3 |
0 |
25 |
1 |
|
Date: 2016-07-29:
| 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 |
24165 |
5456 |
1116 |
440 |
180 |
63 |
25 |
0 |
| OW |
0 |
0 |
14 |
106 |
116 |
91 |
67 |
0 |
| VODI |
0 |
0 |
8 |
51 |
233 |
292 |
243 |
2 |
| ODI |
0 |
0 |
1 |
7 |
50 |
194 |
873 |
29 |
| CDI |
0 |
0 |
1 |
5 |
7 |
10 |
1507 |
2772 |
| 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 |
24165 |
5456 |
1112 |
395 |
166 |
75 |
37 |
0 |
| OW |
0 |
0 |
15 |
137 |
195 |
118 |
92 |
0 |
| VODI |
0 |
0 |
11 |
64 |
191 |
322 |
498 |
11 |
| ODI |
0 |
0 |
1 |
10 |
33 |
129 |
1356 |
554 |
| CDI |
0 |
0 |
2 |
3 |
2 |
6 |
733 |
2238 |
| VCDI |
0 |
0 |
3 |
2 |
3 |
0 |
23 |
1 |
|
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