Validation of sea ice concentration
Bulletin date: 2017-02-02
Model vs. observations, sea ice class contingency tables
Date: 2017-01-27:
| 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 |
14960 |
6431 |
1204 |
456 |
128 |
57 |
2 |
0 |
| OW |
0 |
56 |
239 |
179 |
93 |
43 |
7 |
0 |
| VODI |
0 |
6 |
231 |
242 |
127 |
69 |
11 |
0 |
| ODI |
0 |
0 |
235 |
323 |
220 |
153 |
19 |
0 |
| CDI |
0 |
0 |
178 |
294 |
294 |
268 |
208 |
12 |
| VCDI |
0 |
0 |
127 |
239 |
559 |
1310 |
5625 |
3554 |
|
...date precedes bulletin
|
Date: 2017-01-31:
| 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 |
14821 |
6223 |
1254 |
468 |
225 |
92 |
41 |
0 |
| OW |
0 |
11 |
281 |
227 |
158 |
83 |
23 |
0 |
| VODI |
0 |
0 |
273 |
305 |
191 |
115 |
39 |
0 |
| ODI |
0 |
0 |
88 |
181 |
214 |
172 |
97 |
0 |
| CDI |
0 |
0 |
22 |
100 |
204 |
317 |
347 |
11 |
| VCDI |
0 |
0 |
18 |
54 |
275 |
1419 |
6966 |
2844 |
|
...date precedes bulletin
|
Date: 2017-02-02:
| 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 |
14841 |
6186 |
983 |
397 |
224 |
124 |
35 |
0 |
| OW |
0 |
18 |
236 |
127 |
83 |
84 |
18 |
0 |
| VODI |
0 |
4 |
158 |
226 |
173 |
246 |
30 |
0 |
| ODI |
0 |
0 |
52 |
180 |
197 |
315 |
50 |
0 |
| CDI |
0 |
0 |
22 |
153 |
261 |
512 |
336 |
4 |
| VCDI |
0 |
0 |
14 |
99 |
206 |
1216 |
6634 |
3715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14841 |
6184 |
995 |
411 |
231 |
142 |
40 |
0 |
| OW |
0 |
20 |
220 |
105 |
81 |
74 |
16 |
0 |
| VODI |
0 |
4 |
169 |
225 |
149 |
219 |
35 |
0 |
| ODI |
0 |
0 |
49 |
194 |
238 |
351 |
55 |
0 |
| CDI |
0 |
0 |
18 |
153 |
247 |
520 |
322 |
4 |
| VCDI |
0 |
0 |
14 |
94 |
198 |
1191 |
6635 |
3715 |
|
Date: 2017-02-06:
| 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 |
15198 |
6384 |
999 |
239 |
123 |
76 |
29 |
0 |
| OW |
0 |
67 |
233 |
123 |
90 |
84 |
37 |
0 |
| VODI |
0 |
17 |
171 |
136 |
192 |
183 |
49 |
0 |
| ODI |
0 |
3 |
84 |
77 |
135 |
465 |
148 |
7 |
| CDI |
0 |
0 |
61 |
62 |
87 |
421 |
602 |
78 |
| VCDI |
0 |
0 |
40 |
54 |
80 |
496 |
6242 |
4587 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15198 |
6364 |
800 |
194 |
116 |
107 |
50 |
0 |
| OW |
0 |
71 |
256 |
108 |
63 |
60 |
30 |
0 |
| VODI |
0 |
25 |
226 |
127 |
152 |
172 |
59 |
0 |
| ODI |
0 |
10 |
105 |
84 |
120 |
222 |
135 |
13 |
| CDI |
0 |
1 |
113 |
81 |
118 |
469 |
462 |
84 |
| VCDI |
0 |
0 |
88 |
97 |
138 |
695 |
6371 |
4575 |
|
Date: 2017-02-08:
| 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 |
15162 |
6422 |
899 |
359 |
158 |
69 |
33 |
0 |
| OW |
0 |
104 |
227 |
163 |
106 |
67 |
28 |
0 |
| VODI |
0 |
29 |
203 |
185 |
205 |
133 |
101 |
0 |
| ODI |
0 |
6 |
93 |
148 |
222 |
226 |
119 |
2 |
| CDI |
0 |
0 |
52 |
104 |
197 |
355 |
492 |
36 |
| VCDI |
0 |
0 |
52 |
75 |
151 |
559 |
7080 |
3537 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15162 |
6351 |
764 |
338 |
171 |
96 |
55 |
0 |
| OW |
0 |
131 |
195 |
99 |
75 |
44 |
33 |
0 |
| VODI |
0 |
57 |
226 |
176 |
149 |
125 |
79 |
0 |
| ODI |
0 |
19 |
116 |
168 |
191 |
174 |
142 |
5 |
| CDI |
0 |
3 |
117 |
122 |
249 |
393 |
427 |
30 |
| VCDI |
0 |
0 |
108 |
131 |
204 |
577 |
7117 |
3540 |
|
Date: 2017-02-10:
| 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 |
15402 |
6228 |
865 |
416 |
141 |
38 |
27 |
0 |
| OW |
0 |
126 |
272 |
188 |
110 |
33 |
33 |
0 |
| VODI |
0 |
38 |
255 |
254 |
168 |
79 |
94 |
0 |
| ODI |
0 |
6 |
93 |
166 |
212 |
141 |
163 |
11 |
| CDI |
0 |
0 |
63 |
111 |
202 |
387 |
627 |
52 |
| VCDI |
0 |
0 |
64 |
72 |
209 |
719 |
7238 |
2856 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15402 |
6156 |
707 |
411 |
151 |
43 |
52 |
0 |
| OW |
0 |
132 |
228 |
150 |
97 |
38 |
27 |
0 |
| VODI |
0 |
78 |
213 |
212 |
166 |
76 |
99 |
0 |
| ODI |
0 |
27 |
130 |
144 |
166 |
139 |
199 |
5 |
| CDI |
0 |
5 |
145 |
129 |
184 |
286 |
580 |
10 |
| VCDI |
0 |
0 |
189 |
161 |
278 |
815 |
7225 |
2904 |
|
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