Validation of sea ice concentration
Bulletin date: 2015-11-19
Model vs. observations, sea ice class contingency tables
Date: 2015-11-13:
| 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 |
18691 |
6032 |
513 |
176 |
76 |
133 |
84 |
0 |
| OW |
19 |
602 |
274 |
151 |
84 |
36 |
7 |
0 |
| VODI |
0 |
194 |
252 |
179 |
266 |
170 |
26 |
0 |
| ODI |
0 |
19 |
81 |
88 |
119 |
295 |
58 |
0 |
| CDI |
0 |
9 |
61 |
62 |
82 |
236 |
248 |
0 |
| VCDI |
0 |
3 |
50 |
50 |
106 |
446 |
4656 |
2433 |
|
...date precedes bulletin
|
Date: 2015-11-17:
| 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 |
18357 |
7030 |
646 |
207 |
105 |
63 |
96 |
0 |
| OW |
0 |
175 |
298 |
186 |
141 |
25 |
7 |
0 |
| VODI |
0 |
36 |
100 |
137 |
228 |
181 |
19 |
0 |
| ODI |
0 |
10 |
31 |
78 |
111 |
267 |
150 |
0 |
| CDI |
0 |
2 |
26 |
70 |
115 |
177 |
433 |
0 |
| VCDI |
0 |
0 |
10 |
17 |
88 |
204 |
3738 |
3503 |
|
...date precedes bulletin
|
Date: 2015-11-19:
| 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 |
18054 |
6600 |
842 |
201 |
156 |
106 |
95 |
0 |
| OW |
0 |
303 |
388 |
194 |
87 |
33 |
8 |
0 |
| VODI |
0 |
18 |
276 |
294 |
265 |
80 |
31 |
0 |
| ODI |
0 |
2 |
49 |
121 |
206 |
121 |
142 |
0 |
| CDI |
0 |
0 |
27 |
67 |
130 |
135 |
264 |
0 |
| VCDI |
0 |
0 |
4 |
43 |
122 |
454 |
4206 |
2943 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18054 |
6687 |
918 |
249 |
163 |
115 |
96 |
0 |
| OW |
0 |
222 |
358 |
210 |
110 |
29 |
10 |
0 |
| VODI |
0 |
12 |
231 |
251 |
271 |
90 |
31 |
0 |
| ODI |
0 |
2 |
45 |
97 |
179 |
127 |
150 |
0 |
| CDI |
0 |
0 |
27 |
68 |
112 |
105 |
220 |
0 |
| VCDI |
0 |
0 |
7 |
45 |
131 |
463 |
4239 |
2943 |
|
Date: 2015-11-23:
| 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 |
18145 |
5805 |
961 |
353 |
167 |
226 |
38 |
0 |
| OW |
48 |
675 |
268 |
192 |
133 |
48 |
13 |
0 |
| VODI |
37 |
287 |
148 |
227 |
301 |
201 |
28 |
0 |
| ODI |
4 |
0 |
10 |
51 |
171 |
281 |
155 |
0 |
| CDI |
0 |
0 |
0 |
19 |
98 |
321 |
228 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
41 |
498 |
4624 |
2263 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18199 |
5922 |
627 |
275 |
153 |
239 |
40 |
0 |
| OW |
9 |
568 |
277 |
110 |
91 |
38 |
17 |
0 |
| VODI |
26 |
262 |
282 |
169 |
186 |
148 |
35 |
0 |
| ODI |
0 |
14 |
155 |
160 |
181 |
183 |
89 |
0 |
| CDI |
0 |
1 |
44 |
100 |
155 |
241 |
123 |
0 |
| VCDI |
0 |
0 |
2 |
30 |
145 |
726 |
4782 |
2263 |
|
Date: 2015-11-25:
| 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 |
17446 |
6172 |
577 |
244 |
99 |
120 |
169 |
0 |
| OW |
2 |
410 |
275 |
123 |
103 |
52 |
14 |
0 |
| VODI |
0 |
387 |
277 |
266 |
473 |
313 |
37 |
0 |
| ODI |
0 |
83 |
86 |
93 |
233 |
349 |
191 |
0 |
| CDI |
0 |
0 |
15 |
38 |
92 |
211 |
232 |
3 |
| VCDI |
0 |
0 |
4 |
28 |
105 |
408 |
3300 |
4037 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17445 |
6220 |
577 |
224 |
104 |
128 |
170 |
0 |
| OW |
3 |
405 |
164 |
114 |
112 |
67 |
12 |
0 |
| VODI |
0 |
386 |
273 |
186 |
286 |
243 |
61 |
0 |
| ODI |
0 |
37 |
123 |
108 |
221 |
238 |
147 |
0 |
| CDI |
0 |
4 |
66 |
83 |
198 |
246 |
171 |
12 |
| VCDI |
0 |
0 |
31 |
77 |
184 |
531 |
3382 |
4028 |
|
Date: 2015-11-27:
| 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 |
17455 |
6014 |
461 |
168 |
50 |
50 |
171 |
0 |
| OW |
2 |
337 |
222 |
77 |
70 |
14 |
18 |
0 |
| VODI |
0 |
235 |
299 |
187 |
236 |
71 |
16 |
0 |
| ODI |
0 |
96 |
145 |
151 |
470 |
419 |
143 |
0 |
| CDI |
0 |
0 |
56 |
62 |
151 |
571 |
407 |
19 |
| VCDI |
0 |
0 |
27 |
64 |
92 |
271 |
3463 |
4307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17450 |
6006 |
534 |
255 |
157 |
120 |
193 |
0 |
| OW |
7 |
221 |
156 |
90 |
185 |
83 |
31 |
0 |
| VODI |
0 |
304 |
165 |
121 |
266 |
277 |
98 |
0 |
| ODI |
0 |
133 |
153 |
76 |
199 |
241 |
215 |
3 |
| CDI |
0 |
14 |
88 |
52 |
122 |
300 |
213 |
10 |
| VCDI |
0 |
4 |
114 |
115 |
140 |
375 |
3468 |
4313 |
|
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