Validation of sea ice concentration
Bulletin date: 2014-02-20
Model vs. observations, sea ice class contingency tables
Date: 2014-02-14:
| 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 |
15220 |
5730 |
288 |
92 |
13 |
11 |
0 |
0 |
| OW |
0 |
424 |
148 |
84 |
21 |
8 |
1 |
0 |
| VODI |
0 |
579 |
230 |
179 |
79 |
36 |
18 |
0 |
| ODI |
0 |
135 |
187 |
236 |
155 |
135 |
58 |
1 |
| CDI |
0 |
70 |
126 |
229 |
189 |
231 |
250 |
33 |
| VCDI |
0 |
53 |
115 |
176 |
233 |
485 |
6575 |
4586 |
|
...date precedes bulletin
|
Date: 2014-02-18:
| 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 |
14335 |
6033 |
846 |
269 |
60 |
4 |
1 |
0 |
| OW |
0 |
386 |
290 |
150 |
43 |
12 |
1 |
0 |
| VODI |
0 |
220 |
321 |
245 |
127 |
48 |
29 |
0 |
| ODI |
0 |
148 |
115 |
236 |
194 |
138 |
71 |
0 |
| CDI |
0 |
43 |
117 |
191 |
240 |
353 |
485 |
31 |
| VCDI |
0 |
4 |
29 |
127 |
173 |
670 |
6268 |
4366 |
|
...date precedes bulletin
|
Date: 2014-02-20:
| 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 |
13662 |
6181 |
625 |
359 |
148 |
14 |
0 |
0 |
| OW |
0 |
100 |
180 |
155 |
139 |
49 |
1 |
0 |
| VODI |
0 |
92 |
161 |
325 |
303 |
108 |
20 |
0 |
| ODI |
0 |
64 |
51 |
213 |
374 |
234 |
64 |
0 |
| CDI |
0 |
115 |
33 |
125 |
375 |
572 |
335 |
0 |
| VCDI |
0 |
58 |
65 |
125 |
249 |
1074 |
5867 |
4804 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13662 |
6284 |
780 |
483 |
304 |
70 |
4 |
0 |
| OW |
0 |
53 |
80 |
107 |
64 |
22 |
5 |
0 |
| VODI |
0 |
37 |
90 |
228 |
177 |
67 |
15 |
0 |
| ODI |
0 |
57 |
69 |
226 |
401 |
197 |
55 |
0 |
| CDI |
0 |
96 |
28 |
135 |
363 |
515 |
339 |
1 |
| VCDI |
0 |
83 |
68 |
123 |
279 |
1180 |
5869 |
4803 |
|
Date: 2014-02-24:
| 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 |
14230 |
6366 |
359 |
136 |
50 |
16 |
0 |
0 |
| OW |
0 |
270 |
225 |
112 |
87 |
59 |
3 |
0 |
| VODI |
0 |
182 |
229 |
184 |
302 |
251 |
7 |
0 |
| ODI |
0 |
13 |
100 |
87 |
166 |
316 |
77 |
0 |
| CDI |
0 |
3 |
60 |
133 |
138 |
373 |
218 |
13 |
| VCDI |
0 |
0 |
24 |
138 |
279 |
1058 |
6193 |
4962 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14230 |
6218 |
419 |
167 |
126 |
99 |
4 |
0 |
| OW |
0 |
135 |
77 |
42 |
35 |
22 |
5 |
0 |
| VODI |
0 |
169 |
94 |
72 |
75 |
77 |
5 |
0 |
| ODI |
0 |
113 |
94 |
89 |
177 |
194 |
31 |
0 |
| CDI |
0 |
65 |
126 |
115 |
177 |
295 |
150 |
16 |
| VCDI |
0 |
134 |
187 |
305 |
432 |
1386 |
6303 |
4959 |
|
Date: 2014-02-26:
| 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 |
12996 |
6443 |
1141 |
260 |
117 |
22 |
0 |
0 |
| OW |
0 |
168 |
223 |
184 |
135 |
44 |
1 |
0 |
| VODI |
0 |
136 |
264 |
309 |
235 |
86 |
9 |
0 |
| ODI |
0 |
65 |
115 |
206 |
297 |
172 |
86 |
5 |
| CDI |
0 |
20 |
46 |
136 |
277 |
258 |
296 |
73 |
| VCDI |
0 |
1 |
39 |
149 |
262 |
874 |
7078 |
4191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12996 |
6462 |
1292 |
360 |
166 |
43 |
5 |
0 |
| OW |
0 |
66 |
92 |
111 |
59 |
17 |
2 |
0 |
| VODI |
0 |
71 |
103 |
164 |
128 |
40 |
17 |
0 |
| ODI |
0 |
70 |
73 |
174 |
165 |
103 |
38 |
3 |
| CDI |
0 |
46 |
51 |
160 |
251 |
205 |
210 |
65 |
| VCDI |
0 |
118 |
217 |
275 |
554 |
1048 |
7198 |
4201 |
|
Date: 2014-02-28:
| 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 |
13474 |
6394 |
609 |
154 |
59 |
18 |
0 |
0 |
| OW |
0 |
226 |
168 |
149 |
101 |
72 |
1 |
0 |
| VODI |
0 |
200 |
184 |
168 |
174 |
189 |
12 |
0 |
| ODI |
0 |
101 |
66 |
122 |
219 |
400 |
67 |
0 |
| CDI |
0 |
84 |
69 |
91 |
165 |
461 |
213 |
49 |
| VCDI |
0 |
16 |
65 |
99 |
190 |
676 |
7329 |
4585 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13474 |
6390 |
681 |
247 |
142 |
150 |
6 |
0 |
| OW |
0 |
76 |
87 |
48 |
44 |
34 |
3 |
0 |
| VODI |
0 |
81 |
90 |
83 |
100 |
111 |
13 |
0 |
| ODI |
0 |
87 |
59 |
83 |
120 |
145 |
33 |
0 |
| CDI |
0 |
76 |
66 |
81 |
136 |
320 |
203 |
21 |
| VCDI |
0 |
311 |
178 |
241 |
366 |
1056 |
7364 |
4613 |
|
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