Validation of sea ice concentration
Bulletin date: 2014-03-20
Model vs. observations, sea ice class contingency tables
Date: 2014-03-14:
| 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 |
13635 |
6254 |
342 |
131 |
15 |
0 |
0 |
0 |
| OW |
0 |
253 |
264 |
155 |
62 |
19 |
2 |
0 |
| VODI |
0 |
148 |
199 |
235 |
180 |
80 |
14 |
0 |
| ODI |
0 |
119 |
98 |
166 |
217 |
166 |
63 |
0 |
| CDI |
0 |
102 |
105 |
148 |
289 |
217 |
343 |
10 |
| VCDI |
0 |
49 |
82 |
205 |
481 |
1487 |
6997 |
4087 |
|
...date precedes bulletin
|
Date: 2014-03-18:
| 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 |
13357 |
6349 |
449 |
276 |
100 |
12 |
0 |
0 |
| OW |
0 |
182 |
171 |
155 |
85 |
33 |
0 |
0 |
| VODI |
0 |
74 |
137 |
203 |
192 |
107 |
2 |
0 |
| ODI |
0 |
3 |
58 |
176 |
216 |
333 |
16 |
0 |
| CDI |
0 |
1 |
20 |
140 |
236 |
591 |
276 |
7 |
| VCDI |
0 |
1 |
2 |
71 |
393 |
1471 |
6939 |
4585 |
|
...date precedes bulletin
|
Date: 2014-03-20:
| 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 |
12830 |
6199 |
824 |
375 |
134 |
16 |
4 |
0 |
| OW |
0 |
84 |
133 |
151 |
123 |
32 |
5 |
0 |
| VODI |
0 |
87 |
176 |
134 |
185 |
117 |
13 |
0 |
| ODI |
0 |
1 |
91 |
140 |
187 |
232 |
63 |
0 |
| CDI |
0 |
0 |
43 |
170 |
211 |
448 |
373 |
33 |
| VCDI |
0 |
1 |
17 |
149 |
488 |
1229 |
7182 |
4739 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12830 |
6257 |
918 |
487 |
247 |
58 |
7 |
0 |
| OW |
0 |
44 |
85 |
73 |
81 |
34 |
6 |
0 |
| VODI |
0 |
66 |
142 |
101 |
130 |
96 |
15 |
0 |
| ODI |
0 |
3 |
75 |
103 |
142 |
180 |
66 |
0 |
| CDI |
0 |
1 |
44 |
180 |
205 |
424 |
325 |
38 |
| VCDI |
0 |
1 |
20 |
175 |
523 |
1282 |
7221 |
4734 |
|
Date: 2014-03-24:
| 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 |
13279 |
6159 |
521 |
320 |
127 |
31 |
0 |
0 |
| OW |
0 |
92 |
127 |
129 |
103 |
63 |
2 |
0 |
| VODI |
0 |
68 |
109 |
154 |
136 |
170 |
8 |
0 |
| ODI |
0 |
33 |
39 |
113 |
131 |
249 |
33 |
0 |
| CDI |
0 |
17 |
62 |
94 |
150 |
496 |
319 |
13 |
| VCDI |
0 |
3 |
30 |
107 |
221 |
1148 |
7703 |
4860 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13279 |
6017 |
480 |
317 |
161 |
93 |
0 |
0 |
| OW |
0 |
84 |
71 |
73 |
57 |
41 |
2 |
0 |
| VODI |
0 |
101 |
86 |
94 |
87 |
106 |
3 |
0 |
| ODI |
0 |
59 |
43 |
86 |
74 |
172 |
21 |
0 |
| CDI |
0 |
56 |
71 |
104 |
126 |
320 |
182 |
14 |
| VCDI |
0 |
55 |
137 |
243 |
363 |
1425 |
7857 |
4859 |
|
Date: 2014-03-26:
| 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 |
12911 |
6166 |
744 |
372 |
102 |
12 |
0 |
0 |
| OW |
0 |
113 |
156 |
140 |
87 |
40 |
3 |
0 |
| VODI |
0 |
64 |
180 |
150 |
158 |
73 |
11 |
0 |
| ODI |
0 |
29 |
92 |
107 |
145 |
135 |
55 |
0 |
| CDI |
0 |
15 |
59 |
134 |
171 |
293 |
317 |
3 |
| VCDI |
0 |
5 |
62 |
146 |
335 |
866 |
8090 |
4878 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12911 |
6127 |
699 |
395 |
154 |
57 |
1 |
0 |
| OW |
0 |
93 |
115 |
63 |
49 |
23 |
2 |
0 |
| VODI |
0 |
75 |
149 |
104 |
93 |
45 |
10 |
0 |
| ODI |
0 |
34 |
101 |
101 |
112 |
86 |
19 |
1 |
| CDI |
0 |
30 |
90 |
113 |
183 |
256 |
270 |
16 |
| VCDI |
0 |
33 |
139 |
273 |
407 |
952 |
8174 |
4864 |
|
Date: 2014-03-28:
| 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 |
13427 |
5883 |
575 |
220 |
35 |
6 |
0 |
0 |
| OW |
0 |
168 |
205 |
109 |
73 |
18 |
2 |
0 |
| VODI |
0 |
143 |
182 |
171 |
105 |
102 |
3 |
0 |
| ODI |
0 |
49 |
117 |
146 |
150 |
164 |
44 |
0 |
| CDI |
0 |
65 |
117 |
120 |
125 |
259 |
380 |
22 |
| VCDI |
0 |
7 |
51 |
173 |
262 |
858 |
7615 |
5268 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13427 |
5980 |
674 |
301 |
84 |
25 |
1 |
0 |
| OW |
0 |
84 |
117 |
73 |
48 |
33 |
3 |
0 |
| VODI |
0 |
76 |
130 |
101 |
77 |
62 |
22 |
0 |
| ODI |
0 |
53 |
81 |
115 |
83 |
107 |
50 |
0 |
| CDI |
0 |
60 |
75 |
112 |
160 |
253 |
416 |
7 |
| VCDI |
0 |
62 |
170 |
237 |
298 |
927 |
7552 |
5283 |
|
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