Validation of sea ice concentration
Bulletin date: 2015-01-08
Model vs. observations, sea ice class contingency tables
Date: 2015-01-02:
| 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 |
13532 |
6054 |
575 |
150 |
37 |
23 |
20 |
0 |
| OW |
0 |
245 |
188 |
96 |
51 |
15 |
3 |
0 |
| VODI |
0 |
151 |
228 |
135 |
74 |
24 |
22 |
0 |
| ODI |
0 |
73 |
141 |
129 |
92 |
43 |
30 |
2 |
| CDI |
0 |
42 |
114 |
154 |
150 |
96 |
156 |
28 |
| VCDI |
0 |
40 |
125 |
367 |
486 |
601 |
7080 |
5495 |
|
...date precedes bulletin
|
Date: 2015-01-06:
| 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 |
12929 |
6144 |
1178 |
231 |
76 |
14 |
19 |
0 |
| OW |
0 |
298 |
109 |
128 |
48 |
19 |
12 |
0 |
| VODI |
0 |
177 |
86 |
153 |
111 |
46 |
24 |
0 |
| ODI |
0 |
120 |
84 |
177 |
126 |
72 |
42 |
0 |
| CDI |
0 |
85 |
86 |
180 |
186 |
155 |
249 |
7 |
| VCDI |
0 |
1 |
10 |
133 |
269 |
541 |
8278 |
4464 |
|
...date precedes bulletin
|
Date: 2015-01-08:
| 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 |
14238 |
5619 |
477 |
121 |
31 |
15 |
24 |
0 |
| OW |
0 |
241 |
213 |
132 |
60 |
27 |
11 |
0 |
| VODI |
0 |
162 |
203 |
143 |
106 |
58 |
27 |
0 |
| ODI |
0 |
61 |
109 |
98 |
128 |
139 |
54 |
0 |
| CDI |
0 |
47 |
143 |
104 |
144 |
235 |
190 |
5 |
| VCDI |
0 |
20 |
69 |
101 |
223 |
510 |
7935 |
4844 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14238 |
5621 |
480 |
123 |
31 |
16 |
29 |
0 |
| OW |
0 |
220 |
191 |
123 |
56 |
28 |
8 |
0 |
| VODI |
0 |
166 |
212 |
150 |
97 |
48 |
27 |
0 |
| ODI |
0 |
67 |
124 |
99 |
140 |
126 |
53 |
0 |
| CDI |
0 |
56 |
127 |
95 |
134 |
229 |
171 |
5 |
| VCDI |
0 |
20 |
80 |
109 |
234 |
537 |
7953 |
4844 |
|
Date: 2015-01-12:
| 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 |
14098 |
5750 |
477 |
146 |
32 |
8 |
11 |
0 |
| OW |
1 |
251 |
253 |
131 |
52 |
17 |
11 |
0 |
| VODI |
0 |
79 |
251 |
188 |
105 |
99 |
26 |
0 |
| ODI |
0 |
33 |
122 |
161 |
170 |
202 |
106 |
0 |
| CDI |
0 |
27 |
119 |
110 |
175 |
282 |
339 |
24 |
| VCDI |
0 |
0 |
1 |
9 |
42 |
339 |
6455 |
6365 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14098 |
5533 |
399 |
128 |
35 |
7 |
26 |
0 |
| OW |
1 |
243 |
188 |
109 |
44 |
30 |
6 |
0 |
| VODI |
0 |
161 |
154 |
102 |
81 |
91 |
21 |
0 |
| ODI |
0 |
65 |
126 |
122 |
91 |
149 |
75 |
0 |
| CDI |
0 |
50 |
186 |
122 |
130 |
189 |
213 |
38 |
| VCDI |
0 |
88 |
170 |
162 |
195 |
481 |
6607 |
6351 |
|
Date: 2015-01-14:
| 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 |
14014 |
5564 |
413 |
204 |
67 |
4 |
12 |
0 |
| OW |
1 |
193 |
147 |
130 |
79 |
20 |
9 |
0 |
| VODI |
0 |
119 |
149 |
160 |
131 |
51 |
30 |
0 |
| ODI |
0 |
44 |
77 |
100 |
157 |
138 |
137 |
0 |
| CDI |
0 |
33 |
78 |
142 |
172 |
239 |
313 |
45 |
| VCDI |
0 |
10 |
34 |
79 |
187 |
456 |
7326 |
5803 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14014 |
5365 |
374 |
189 |
61 |
10 |
28 |
0 |
| OW |
1 |
240 |
117 |
100 |
73 |
23 |
8 |
0 |
| VODI |
0 |
162 |
118 |
137 |
117 |
47 |
29 |
0 |
| ODI |
0 |
70 |
82 |
80 |
106 |
94 |
133 |
5 |
| CDI |
0 |
58 |
63 |
98 |
126 |
208 |
300 |
66 |
| VCDI |
0 |
68 |
144 |
211 |
310 |
526 |
7329 |
5777 |
|
Date: 2015-01-16:
| 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 |
13584 |
5478 |
563 |
236 |
84 |
27 |
10 |
0 |
| OW |
1 |
159 |
108 |
108 |
109 |
46 |
11 |
0 |
| VODI |
0 |
108 |
86 |
144 |
123 |
107 |
31 |
0 |
| ODI |
0 |
33 |
40 |
90 |
162 |
137 |
98 |
0 |
| CDI |
0 |
15 |
71 |
83 |
111 |
216 |
304 |
7 |
| VCDI |
0 |
0 |
95 |
164 |
189 |
529 |
7476 |
6124 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13584 |
5307 |
535 |
235 |
121 |
35 |
22 |
0 |
| OW |
1 |
136 |
113 |
101 |
97 |
54 |
14 |
0 |
| VODI |
0 |
136 |
66 |
136 |
124 |
125 |
34 |
0 |
| ODI |
0 |
76 |
49 |
64 |
114 |
132 |
63 |
0 |
| CDI |
0 |
56 |
36 |
70 |
110 |
195 |
375 |
32 |
| VCDI |
0 |
82 |
164 |
219 |
212 |
521 |
7422 |
6099 |
|
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