Validation of sea ice concentration
Bulletin date: 2017-01-19
Model vs. observations, sea ice class contingency tables
Date: 2017-01-13:
| 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 |
15478 |
6939 |
850 |
448 |
258 |
123 |
19 |
0 |
| OW |
0 |
89 |
180 |
176 |
141 |
94 |
78 |
0 |
| VODI |
0 |
39 |
190 |
216 |
184 |
132 |
87 |
0 |
| ODI |
0 |
19 |
94 |
166 |
158 |
202 |
188 |
0 |
| CDI |
0 |
7 |
135 |
162 |
196 |
326 |
481 |
0 |
| VCDI |
0 |
0 |
50 |
178 |
220 |
519 |
6299 |
3038 |
|
...date precedes bulletin
|
Date: 2017-01-17:
| 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 |
15299 |
7362 |
1252 |
452 |
125 |
36 |
7 |
0 |
| OW |
0 |
44 |
424 |
302 |
177 |
88 |
18 |
0 |
| VODI |
0 |
10 |
173 |
302 |
267 |
165 |
109 |
0 |
| ODI |
0 |
4 |
43 |
112 |
218 |
317 |
221 |
0 |
| CDI |
0 |
0 |
24 |
55 |
146 |
412 |
769 |
1 |
| VCDI |
0 |
0 |
13 |
41 |
85 |
337 |
5603 |
3146 |
|
...date precedes bulletin
|
Date: 2017-01-19:
| 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 |
14702 |
7332 |
1084 |
550 |
133 |
30 |
0 |
0 |
| OW |
0 |
184 |
296 |
270 |
167 |
87 |
4 |
0 |
| VODI |
0 |
237 |
377 |
234 |
234 |
185 |
69 |
1 |
| ODI |
0 |
136 |
100 |
146 |
207 |
273 |
247 |
1 |
| CDI |
0 |
47 |
72 |
131 |
239 |
368 |
582 |
52 |
| VCDI |
0 |
2 |
41 |
108 |
350 |
963 |
4205 |
3713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14702 |
7364 |
1135 |
615 |
163 |
31 |
1 |
0 |
| OW |
0 |
166 |
281 |
224 |
130 |
49 |
3 |
0 |
| VODI |
0 |
231 |
354 |
222 |
241 |
204 |
69 |
0 |
| ODI |
0 |
124 |
96 |
163 |
237 |
302 |
215 |
2 |
| CDI |
0 |
52 |
64 |
108 |
221 |
360 |
574 |
49 |
| VCDI |
0 |
1 |
40 |
107 |
338 |
960 |
4245 |
3716 |
|
Date: 2017-01-23:
| 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 |
14640 |
6859 |
1281 |
672 |
224 |
34 |
16 |
0 |
| OW |
0 |
9 |
139 |
190 |
157 |
82 |
5 |
0 |
| VODI |
0 |
3 |
125 |
274 |
247 |
216 |
32 |
0 |
| ODI |
0 |
0 |
86 |
144 |
280 |
352 |
150 |
0 |
| CDI |
0 |
0 |
16 |
45 |
208 |
683 |
647 |
3 |
| VCDI |
0 |
0 |
13 |
32 |
116 |
693 |
5861 |
3625 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14640 |
6796 |
1142 |
577 |
224 |
61 |
14 |
0 |
| OW |
0 |
66 |
173 |
204 |
149 |
92 |
10 |
0 |
| VODI |
0 |
9 |
107 |
186 |
176 |
192 |
32 |
0 |
| ODI |
0 |
0 |
92 |
151 |
171 |
333 |
130 |
0 |
| CDI |
0 |
0 |
107 |
176 |
262 |
490 |
607 |
4 |
| VCDI |
0 |
0 |
39 |
63 |
250 |
892 |
5918 |
3624 |
|
Date: 2017-01-25:
| 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 |
14849 |
6625 |
1490 |
431 |
114 |
32 |
0 |
0 |
| OW |
0 |
28 |
259 |
213 |
113 |
31 |
3 |
0 |
| VODI |
0 |
2 |
175 |
223 |
202 |
117 |
17 |
0 |
| ODI |
0 |
0 |
68 |
167 |
258 |
344 |
82 |
5 |
| CDI |
0 |
0 |
41 |
64 |
193 |
483 |
379 |
60 |
| VCDI |
0 |
0 |
67 |
72 |
165 |
691 |
5980 |
4116 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14849 |
6567 |
1292 |
365 |
114 |
44 |
4 |
0 |
| OW |
0 |
69 |
293 |
211 |
115 |
40 |
6 |
0 |
| VODI |
0 |
19 |
198 |
216 |
201 |
78 |
20 |
0 |
| ODI |
0 |
0 |
117 |
130 |
147 |
197 |
65 |
3 |
| CDI |
0 |
0 |
60 |
111 |
223 |
453 |
372 |
32 |
| VCDI |
0 |
0 |
140 |
137 |
245 |
886 |
5994 |
4146 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14960 |
6379 |
1097 |
462 |
199 |
86 |
13 |
0 |
| OW |
0 |
88 |
270 |
166 |
89 |
80 |
6 |
0 |
| VODI |
0 |
26 |
248 |
232 |
172 |
102 |
22 |
0 |
| ODI |
0 |
0 |
148 |
213 |
156 |
164 |
48 |
0 |
| CDI |
0 |
0 |
155 |
240 |
223 |
303 |
246 |
18 |
| VCDI |
0 |
0 |
296 |
420 |
582 |
1165 |
5537 |
3548 |
|
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