Validation of sea ice concentration
Bulletin date: 2013-05-02
Model vs. observations, sea ice class contingency tables
Date: 2013-04-26:
| 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 |
13358 |
5576 |
628 |
384 |
87 |
28 |
6 |
0 |
| OW |
0 |
159 |
208 |
238 |
135 |
35 |
14 |
0 |
| VODI |
0 |
43 |
148 |
255 |
239 |
140 |
109 |
0 |
| ODI |
0 |
13 |
73 |
232 |
255 |
202 |
203 |
0 |
| CDI |
0 |
8 |
53 |
172 |
353 |
401 |
821 |
0 |
| VCDI |
0 |
0 |
11 |
107 |
472 |
711 |
7520 |
4022 |
|
...date precedes bulletin
|
Date: 2013-04-30:
| 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 |
13012 |
5950 |
1024 |
452 |
385 |
145 |
67 |
0 |
| OW |
0 |
28 |
106 |
291 |
252 |
114 |
17 |
0 |
| VODI |
0 |
11 |
48 |
229 |
267 |
295 |
97 |
0 |
| ODI |
0 |
6 |
42 |
96 |
187 |
394 |
212 |
0 |
| CDI |
0 |
1 |
56 |
135 |
208 |
763 |
1045 |
0 |
| VCDI |
0 |
0 |
13 |
66 |
129 |
616 |
6699 |
3961 |
|
...date precedes bulletin
|
Date: 2013-05-02:
| 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 |
13377 |
5889 |
845 |
646 |
162 |
42 |
0 |
0 |
| OW |
0 |
53 |
144 |
294 |
212 |
50 |
6 |
0 |
| VODI |
0 |
23 |
73 |
361 |
282 |
153 |
56 |
0 |
| ODI |
0 |
8 |
41 |
196 |
163 |
218 |
201 |
0 |
| CDI |
0 |
4 |
15 |
226 |
363 |
614 |
1403 |
0 |
| VCDI |
0 |
0 |
9 |
101 |
176 |
709 |
6306 |
3998 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13377 |
5922 |
984 |
1046 |
474 |
180 |
47 |
0 |
| OW |
0 |
28 |
39 |
113 |
95 |
54 |
13 |
0 |
| VODI |
0 |
16 |
41 |
168 |
121 |
80 |
42 |
0 |
| ODI |
0 |
5 |
34 |
158 |
128 |
148 |
171 |
0 |
| CDI |
0 |
4 |
14 |
216 |
346 |
624 |
1401 |
6 |
| VCDI |
0 |
2 |
15 |
123 |
194 |
700 |
6298 |
3992 |
|
Date: 2013-05-06:
| 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 |
13968 |
6166 |
562 |
350 |
147 |
52 |
0 |
0 |
| OW |
0 |
52 |
214 |
285 |
189 |
62 |
4 |
0 |
| VODI |
0 |
12 |
106 |
240 |
450 |
216 |
25 |
0 |
| ODI |
0 |
1 |
26 |
92 |
258 |
487 |
289 |
0 |
| CDI |
0 |
4 |
23 |
88 |
294 |
856 |
1683 |
9 |
| VCDI |
0 |
0 |
2 |
41 |
88 |
391 |
5665 |
4022 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13968 |
6220 |
740 |
649 |
505 |
251 |
8 |
0 |
| OW |
0 |
7 |
53 |
54 |
63 |
47 |
12 |
0 |
| VODI |
0 |
3 |
60 |
67 |
104 |
75 |
55 |
0 |
| ODI |
0 |
0 |
35 |
85 |
135 |
160 |
187 |
0 |
| CDI |
0 |
1 |
34 |
111 |
280 |
630 |
1259 |
3 |
| VCDI |
0 |
4 |
11 |
130 |
339 |
901 |
6145 |
4028 |
|
Date: 2013-05-08:
| 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 |
13698 |
6077 |
1010 |
492 |
129 |
66 |
5 |
0 |
| OW |
0 |
40 |
142 |
379 |
138 |
48 |
15 |
0 |
| VODI |
0 |
15 |
91 |
277 |
298 |
156 |
131 |
0 |
| ODI |
0 |
5 |
29 |
106 |
255 |
227 |
329 |
0 |
| CDI |
0 |
2 |
12 |
137 |
294 |
849 |
1768 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
42 |
320 |
5743 |
4057 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13698 |
6111 |
1154 |
831 |
382 |
195 |
96 |
0 |
| OW |
0 |
6 |
37 |
89 |
48 |
34 |
31 |
0 |
| VODI |
0 |
9 |
27 |
108 |
86 |
73 |
100 |
0 |
| ODI |
0 |
6 |
42 |
95 |
128 |
104 |
202 |
0 |
| CDI |
0 |
6 |
22 |
168 |
298 |
561 |
1355 |
0 |
| VCDI |
0 |
1 |
2 |
137 |
214 |
699 |
6207 |
4057 |
|
Date: 2013-05-10:
| 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 |
13901 |
6225 |
734 |
439 |
75 |
16 |
3 |
0 |
| OW |
0 |
55 |
129 |
418 |
190 |
29 |
16 |
0 |
| VODI |
0 |
9 |
92 |
242 |
361 |
167 |
76 |
0 |
| ODI |
0 |
7 |
26 |
149 |
270 |
293 |
298 |
0 |
| CDI |
0 |
0 |
11 |
178 |
403 |
808 |
1551 |
0 |
| VCDI |
0 |
0 |
1 |
55 |
61 |
412 |
5588 |
4131 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13901 |
6282 |
873 |
914 |
468 |
138 |
53 |
0 |
| OW |
0 |
7 |
29 |
64 |
88 |
55 |
43 |
0 |
| VODI |
0 |
4 |
43 |
90 |
87 |
116 |
103 |
0 |
| ODI |
0 |
3 |
29 |
110 |
133 |
126 |
182 |
0 |
| CDI |
0 |
0 |
18 |
139 |
319 |
550 |
1088 |
0 |
| VCDI |
0 |
0 |
1 |
164 |
265 |
740 |
6063 |
4131 |
|
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