Validation of sea ice concentration
Bulletin date: 2013-02-28
Model vs. observations, sea ice class contingency tables
Date: 2013-02-22:
| 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 |
12983 |
6329 |
436 |
219 |
83 |
1 |
0 |
0 |
| OW |
0 |
198 |
116 |
154 |
67 |
20 |
0 |
0 |
| VODI |
0 |
130 |
109 |
185 |
142 |
67 |
2 |
0 |
| ODI |
0 |
47 |
62 |
116 |
139 |
205 |
41 |
0 |
| CDI |
0 |
24 |
33 |
91 |
154 |
354 |
200 |
48 |
| VCDI |
0 |
7 |
33 |
69 |
160 |
870 |
6696 |
6829 |
|
...date precedes bulletin
|
Date: 2013-02-26:
| 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 |
13077 |
6319 |
548 |
259 |
92 |
13 |
0 |
0 |
| OW |
0 |
125 |
134 |
132 |
75 |
38 |
0 |
0 |
| VODI |
0 |
38 |
102 |
185 |
147 |
114 |
4 |
0 |
| ODI |
0 |
1 |
34 |
127 |
148 |
190 |
21 |
0 |
| CDI |
0 |
0 |
11 |
47 |
129 |
400 |
109 |
30 |
| VCDI |
0 |
0 |
3 |
23 |
147 |
720 |
6627 |
7251 |
|
...date precedes bulletin
|
Date: 2013-02-28:
| 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 |
12403 |
6195 |
835 |
378 |
73 |
6 |
0 |
0 |
| OW |
0 |
196 |
151 |
133 |
68 |
6 |
0 |
0 |
| VODI |
0 |
132 |
129 |
185 |
122 |
51 |
0 |
0 |
| ODI |
0 |
31 |
75 |
175 |
146 |
126 |
8 |
0 |
| CDI |
0 |
7 |
50 |
120 |
208 |
332 |
119 |
27 |
| VCDI |
0 |
0 |
29 |
105 |
262 |
840 |
8925 |
4772 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12403 |
6357 |
948 |
484 |
133 |
16 |
0 |
0 |
| OW |
0 |
91 |
104 |
89 |
43 |
15 |
0 |
0 |
| VODI |
0 |
67 |
90 |
153 |
91 |
46 |
3 |
0 |
| ODI |
0 |
29 |
53 |
138 |
122 |
103 |
7 |
0 |
| CDI |
0 |
15 |
37 |
106 |
193 |
239 |
118 |
30 |
| VCDI |
0 |
2 |
37 |
126 |
297 |
942 |
8924 |
4769 |
|
Date: 2013-03-04:
| 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 |
12395 |
6226 |
797 |
545 |
170 |
18 |
5 |
0 |
| OW |
0 |
91 |
103 |
215 |
119 |
37 |
11 |
0 |
| VODI |
0 |
22 |
55 |
169 |
156 |
86 |
27 |
0 |
| ODI |
0 |
2 |
21 |
111 |
176 |
151 |
67 |
0 |
| CDI |
0 |
0 |
8 |
60 |
155 |
269 |
269 |
7 |
| VCDI |
0 |
0 |
0 |
68 |
148 |
678 |
8772 |
5211 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12395 |
6113 |
693 |
478 |
146 |
27 |
11 |
0 |
| OW |
0 |
72 |
61 |
74 |
59 |
24 |
6 |
0 |
| VODI |
0 |
73 |
81 |
117 |
78 |
32 |
17 |
0 |
| ODI |
0 |
42 |
48 |
123 |
84 |
70 |
28 |
0 |
| CDI |
0 |
34 |
39 |
116 |
166 |
149 |
149 |
7 |
| VCDI |
0 |
7 |
62 |
260 |
391 |
937 |
8940 |
5211 |
|
Date: 2013-03-06:
| 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 |
13272 |
5907 |
420 |
218 |
94 |
32 |
23 |
0 |
| OW |
0 |
216 |
132 |
80 |
94 |
31 |
16 |
0 |
| VODI |
0 |
109 |
87 |
133 |
139 |
71 |
29 |
0 |
| ODI |
0 |
20 |
38 |
100 |
139 |
185 |
70 |
0 |
| CDI |
0 |
4 |
9 |
44 |
169 |
338 |
249 |
13 |
| VCDI |
0 |
1 |
7 |
46 |
169 |
705 |
8142 |
5869 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13272 |
5831 |
365 |
194 |
93 |
45 |
35 |
0 |
| OW |
0 |
106 |
88 |
51 |
42 |
18 |
20 |
0 |
| VODI |
0 |
133 |
102 |
69 |
71 |
39 |
24 |
0 |
| ODI |
0 |
94 |
56 |
62 |
94 |
83 |
40 |
0 |
| CDI |
0 |
66 |
39 |
98 |
138 |
195 |
129 |
11 |
| VCDI |
0 |
27 |
43 |
147 |
366 |
982 |
8281 |
5871 |
|
Date: 2013-03-08:
| 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 |
12723 |
5788 |
423 |
325 |
197 |
97 |
15 |
0 |
| OW |
0 |
199 |
93 |
102 |
103 |
74 |
17 |
0 |
| VODI |
0 |
172 |
53 |
127 |
150 |
111 |
23 |
0 |
| ODI |
0 |
31 |
38 |
80 |
161 |
217 |
49 |
0 |
| CDI |
0 |
15 |
17 |
53 |
151 |
400 |
273 |
64 |
| VCDI |
0 |
6 |
9 |
34 |
127 |
637 |
6956 |
7310 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12723 |
5861 |
426 |
336 |
229 |
109 |
31 |
0 |
| OW |
0 |
68 |
63 |
53 |
61 |
45 |
12 |
0 |
| VODI |
0 |
74 |
46 |
83 |
89 |
88 |
19 |
0 |
| ODI |
0 |
64 |
26 |
76 |
86 |
131 |
27 |
0 |
| CDI |
0 |
90 |
30 |
76 |
150 |
308 |
154 |
55 |
| VCDI |
0 |
54 |
42 |
97 |
274 |
855 |
7090 |
7319 |
|
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