Validation of sea ice concentration
Bulletin date: 2014-03-27
Model vs. observations, sea ice class contingency tables
Date: 2014-03-21:
| 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 |
12953 |
6060 |
831 |
262 |
112 |
21 |
0 |
0 |
| OW |
0 |
78 |
158 |
155 |
74 |
38 |
2 |
0 |
| VODI |
0 |
95 |
130 |
182 |
154 |
107 |
7 |
0 |
| ODI |
0 |
59 |
113 |
126 |
159 |
170 |
42 |
0 |
| CDI |
0 |
2 |
84 |
155 |
217 |
420 |
395 |
32 |
| VCDI |
0 |
1 |
45 |
203 |
474 |
1246 |
7235 |
4822 |
|
...date precedes bulletin
|
Date: 2014-03-25:
| 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 |
13327 |
6081 |
487 |
317 |
137 |
32 |
1 |
0 |
| OW |
0 |
103 |
151 |
110 |
105 |
47 |
1 |
0 |
| VODI |
0 |
73 |
109 |
124 |
138 |
129 |
5 |
0 |
| ODI |
0 |
30 |
81 |
120 |
139 |
207 |
22 |
0 |
| CDI |
0 |
4 |
44 |
95 |
178 |
488 |
294 |
14 |
| VCDI |
0 |
3 |
19 |
102 |
177 |
902 |
7677 |
5346 |
|
...date precedes bulletin
|
Date: 2014-03-27:
| 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 |
12869 |
6216 |
812 |
266 |
99 |
16 |
1 |
0 |
| OW |
0 |
97 |
200 |
121 |
66 |
44 |
7 |
0 |
| VODI |
0 |
56 |
206 |
144 |
112 |
97 |
23 |
0 |
| ODI |
0 |
13 |
113 |
119 |
130 |
137 |
83 |
0 |
| CDI |
0 |
3 |
126 |
117 |
152 |
219 |
398 |
8 |
| VCDI |
0 |
0 |
60 |
167 |
251 |
781 |
7933 |
5157 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12869 |
6290 |
929 |
352 |
155 |
47 |
6 |
0 |
| OW |
0 |
49 |
163 |
66 |
47 |
42 |
12 |
0 |
| VODI |
0 |
30 |
152 |
120 |
87 |
74 |
17 |
0 |
| ODI |
0 |
14 |
94 |
105 |
103 |
102 |
69 |
0 |
| CDI |
0 |
2 |
112 |
108 |
148 |
210 |
364 |
12 |
| VCDI |
0 |
0 |
67 |
183 |
270 |
819 |
7977 |
5153 |
|
Date: 2014-03-31:
| 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 |
13095 |
6163 |
738 |
331 |
55 |
17 |
3 |
0 |
| OW |
0 |
95 |
230 |
184 |
77 |
26 |
4 |
0 |
| VODI |
0 |
33 |
164 |
230 |
185 |
85 |
23 |
0 |
| ODI |
0 |
22 |
87 |
169 |
195 |
164 |
97 |
3 |
| CDI |
0 |
12 |
27 |
148 |
237 |
373 |
569 |
7 |
| VCDI |
0 |
16 |
58 |
173 |
313 |
863 |
7954 |
4194 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13095 |
6049 |
742 |
395 |
114 |
48 |
10 |
0 |
| OW |
0 |
78 |
123 |
87 |
44 |
29 |
8 |
0 |
| VODI |
0 |
53 |
141 |
134 |
103 |
60 |
18 |
0 |
| ODI |
0 |
30 |
84 |
149 |
140 |
94 |
76 |
3 |
| CDI |
0 |
36 |
92 |
183 |
211 |
289 |
444 |
8 |
| VCDI |
0 |
95 |
122 |
287 |
450 |
1008 |
8094 |
4193 |
|
Date: 2014-04-02:
| 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 |
12885 |
6072 |
663 |
280 |
189 |
32 |
1 |
0 |
| OW |
0 |
137 |
166 |
116 |
109 |
69 |
1 |
0 |
| VODI |
0 |
95 |
131 |
151 |
177 |
136 |
19 |
0 |
| ODI |
0 |
25 |
57 |
156 |
145 |
198 |
61 |
0 |
| CDI |
0 |
10 |
41 |
128 |
235 |
407 |
397 |
5 |
| VCDI |
0 |
7 |
64 |
142 |
214 |
1211 |
8068 |
4419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12885 |
6040 |
646 |
292 |
247 |
88 |
8 |
0 |
| OW |
0 |
76 |
104 |
57 |
63 |
56 |
9 |
0 |
| VODI |
0 |
74 |
121 |
116 |
101 |
85 |
25 |
0 |
| ODI |
0 |
36 |
60 |
104 |
132 |
123 |
78 |
0 |
| CDI |
0 |
33 |
52 |
164 |
191 |
330 |
344 |
16 |
| VCDI |
0 |
87 |
139 |
240 |
335 |
1371 |
8083 |
4408 |
|
Date: 2014-04-04:
| 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 |
12516 |
5961 |
765 |
454 |
183 |
58 |
12 |
0 |
| OW |
0 |
93 |
219 |
143 |
87 |
49 |
15 |
0 |
| VODI |
0 |
59 |
138 |
184 |
142 |
134 |
46 |
0 |
| ODI |
0 |
12 |
75 |
135 |
165 |
168 |
112 |
0 |
| CDI |
0 |
8 |
61 |
179 |
206 |
339 |
595 |
12 |
| VCDI |
0 |
2 |
28 |
77 |
221 |
1158 |
8726 |
3882 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12516 |
5975 |
863 |
495 |
232 |
112 |
36 |
0 |
| OW |
0 |
52 |
97 |
81 |
37 |
30 |
19 |
0 |
| VODI |
0 |
37 |
92 |
140 |
81 |
69 |
28 |
0 |
| ODI |
0 |
18 |
72 |
123 |
115 |
130 |
116 |
0 |
| CDI |
0 |
24 |
69 |
152 |
176 |
279 |
327 |
6 |
| VCDI |
0 |
29 |
93 |
181 |
363 |
1286 |
8980 |
3888 |
|
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