Validation of sea ice concentration
Bulletin date: 2014-08-07
Model vs. observations, sea ice class contingency tables
Date: 2014-08-01:
| 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 |
20493 |
5982 |
1066 |
948 |
428 |
149 |
30 |
0 |
| OW |
0 |
1 |
52 |
132 |
227 |
139 |
14 |
0 |
| VODI |
0 |
0 |
8 |
89 |
276 |
214 |
19 |
0 |
| ODI |
0 |
0 |
2 |
20 |
112 |
210 |
120 |
0 |
| CDI |
0 |
0 |
2 |
10 |
55 |
201 |
1053 |
39 |
| VCDI |
0 |
0 |
0 |
3 |
18 |
27 |
1807 |
3121 |
|
...date precedes bulletin
|
Date: 2014-08-05:
| 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 |
20879 |
6247 |
825 |
593 |
431 |
134 |
16 |
0 |
| OW |
0 |
1 |
45 |
94 |
159 |
98 |
13 |
0 |
| VODI |
0 |
0 |
13 |
73 |
232 |
209 |
13 |
0 |
| ODI |
0 |
0 |
3 |
20 |
113 |
160 |
58 |
0 |
| CDI |
0 |
0 |
1 |
6 |
45 |
282 |
508 |
460 |
| VCDI |
0 |
0 |
0 |
4 |
33 |
226 |
2315 |
2758 |
|
...date precedes bulletin
|
Date: 2014-08-07:
| 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 |
20685 |
6401 |
941 |
545 |
346 |
141 |
14 |
0 |
| OW |
0 |
13 |
43 |
135 |
149 |
110 |
10 |
0 |
| VODI |
0 |
10 |
11 |
65 |
209 |
185 |
15 |
0 |
| ODI |
0 |
4 |
7 |
32 |
87 |
140 |
51 |
0 |
| CDI |
0 |
0 |
3 |
13 |
70 |
300 |
404 |
399 |
| VCDI |
0 |
0 |
0 |
6 |
15 |
230 |
2421 |
2857 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20685 |
6396 |
938 |
550 |
333 |
131 |
16 |
0 |
| OW |
0 |
19 |
45 |
137 |
134 |
110 |
9 |
0 |
| VODI |
0 |
11 |
12 |
74 |
247 |
205 |
17 |
0 |
| ODI |
0 |
2 |
7 |
21 |
92 |
143 |
59 |
1 |
| CDI |
0 |
0 |
3 |
8 |
58 |
295 |
458 |
387 |
| VCDI |
0 |
0 |
0 |
6 |
12 |
222 |
2356 |
2868 |
|
Date: 2014-08-11:
| 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 |
21926 |
5467 |
1002 |
549 |
91 |
18 |
2 |
0 |
| OW |
1 |
0 |
78 |
249 |
83 |
18 |
5 |
0 |
| VODI |
0 |
0 |
15 |
199 |
219 |
154 |
13 |
0 |
| ODI |
0 |
1 |
4 |
48 |
84 |
134 |
62 |
5 |
| CDI |
0 |
0 |
1 |
9 |
54 |
696 |
486 |
438 |
| VCDI |
0 |
15 |
1 |
5 |
25 |
736 |
2225 |
1949 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21922 |
5439 |
945 |
572 |
108 |
20 |
2 |
0 |
| OW |
5 |
21 |
82 |
261 |
109 |
42 |
5 |
0 |
| VODI |
0 |
7 |
35 |
134 |
152 |
141 |
21 |
0 |
| ODI |
0 |
1 |
30 |
59 |
96 |
119 |
80 |
22 |
| CDI |
0 |
8 |
9 |
33 |
76 |
547 |
738 |
158 |
| VCDI |
0 |
7 |
0 |
0 |
15 |
887 |
1947 |
2212 |
|
Date: 2014-08-13:
| 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 |
21429 |
5695 |
831 |
782 |
343 |
31 |
12 |
0 |
| OW |
0 |
2 |
38 |
131 |
283 |
39 |
7 |
0 |
| VODI |
0 |
0 |
40 |
62 |
183 |
139 |
26 |
0 |
| ODI |
0 |
0 |
19 |
48 |
78 |
108 |
94 |
0 |
| CDI |
0 |
0 |
2 |
23 |
68 |
413 |
796 |
49 |
| VCDI |
0 |
0 |
2 |
8 |
14 |
204 |
2752 |
2316 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21429 |
5617 |
762 |
753 |
378 |
43 |
15 |
0 |
| OW |
0 |
41 |
36 |
143 |
261 |
58 |
7 |
0 |
| VODI |
0 |
33 |
32 |
65 |
156 |
140 |
50 |
0 |
| ODI |
0 |
6 |
67 |
26 |
81 |
102 |
171 |
4 |
| CDI |
0 |
0 |
33 |
59 |
83 |
303 |
1330 |
154 |
| VCDI |
0 |
0 |
2 |
8 |
10 |
288 |
2114 |
2207 |
|
Date: 2014-08-15:
| 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 |
22728 |
4993 |
520 |
709 |
101 |
26 |
12 |
0 |
| OW |
0 |
40 |
48 |
302 |
109 |
23 |
14 |
0 |
| VODI |
0 |
39 |
24 |
88 |
127 |
82 |
58 |
0 |
| ODI |
0 |
15 |
26 |
58 |
56 |
81 |
103 |
0 |
| CDI |
0 |
0 |
16 |
57 |
171 |
239 |
815 |
52 |
| VCDI |
0 |
2 |
0 |
9 |
28 |
198 |
2765 |
2333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22728 |
4863 |
434 |
704 |
126 |
44 |
23 |
0 |
| OW |
0 |
64 |
91 |
268 |
112 |
31 |
20 |
0 |
| VODI |
0 |
56 |
42 |
103 |
106 |
80 |
64 |
0 |
| ODI |
0 |
59 |
24 |
41 |
50 |
79 |
182 |
4 |
| CDI |
0 |
45 |
37 |
83 |
86 |
209 |
2023 |
451 |
| VCDI |
0 |
2 |
6 |
24 |
112 |
206 |
1455 |
1930 |
|
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