Validation of sea ice concentration
Bulletin date: 2016-01-28
Model vs. observations, sea ice class contingency tables
Date: 2016-01-22:
| 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 |
13665 |
6564 |
1114 |
220 |
60 |
22 |
28 |
0 |
| OW |
2 |
53 |
200 |
144 |
101 |
33 |
18 |
0 |
| VODI |
1 |
45 |
166 |
159 |
139 |
101 |
56 |
0 |
| ODI |
0 |
31 |
84 |
116 |
200 |
155 |
100 |
0 |
| CDI |
0 |
18 |
70 |
98 |
178 |
380 |
471 |
44 |
| VCDI |
0 |
1 |
65 |
93 |
181 |
667 |
7145 |
5171 |
|
...date precedes bulletin
|
Date: 2016-01-26:
| 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 |
15016 |
6598 |
442 |
119 |
39 |
18 |
15 |
0 |
| OW |
16 |
386 |
210 |
130 |
64 |
20 |
14 |
0 |
| VODI |
1 |
176 |
238 |
212 |
190 |
110 |
41 |
0 |
| ODI |
0 |
24 |
75 |
104 |
177 |
232 |
189 |
4 |
| CDI |
0 |
5 |
29 |
95 |
169 |
327 |
679 |
75 |
| VCDI |
0 |
13 |
37 |
64 |
127 |
324 |
7086 |
4269 |
|
...date precedes bulletin
|
Date: 2016-01-28:
| 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 |
14777 |
6539 |
564 |
137 |
33 |
21 |
9 |
0 |
| OW |
18 |
162 |
233 |
148 |
39 |
28 |
8 |
0 |
| VODI |
0 |
165 |
168 |
242 |
205 |
96 |
33 |
0 |
| ODI |
0 |
102 |
170 |
191 |
199 |
271 |
216 |
5 |
| CDI |
0 |
6 |
61 |
144 |
187 |
341 |
584 |
35 |
| VCDI |
0 |
0 |
47 |
111 |
206 |
523 |
7139 |
3996 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14783 |
6514 |
618 |
156 |
34 |
22 |
9 |
0 |
| OW |
12 |
181 |
179 |
153 |
41 |
21 |
6 |
0 |
| VODI |
0 |
144 |
163 |
214 |
232 |
136 |
35 |
0 |
| ODI |
0 |
124 |
165 |
185 |
163 |
259 |
213 |
7 |
| CDI |
0 |
10 |
69 |
151 |
171 |
307 |
574 |
31 |
| VCDI |
0 |
1 |
49 |
114 |
228 |
535 |
7152 |
3998 |
|
Date: 2016-02-01:
| 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 |
15028 |
6547 |
801 |
189 |
35 |
12 |
8 |
0 |
| OW |
7 |
175 |
229 |
193 |
109 |
43 |
30 |
0 |
| VODI |
0 |
163 |
305 |
324 |
190 |
162 |
84 |
0 |
| ODI |
0 |
12 |
134 |
151 |
169 |
200 |
249 |
8 |
| CDI |
0 |
8 |
48 |
172 |
188 |
323 |
723 |
69 |
| VCDI |
0 |
1 |
16 |
126 |
245 |
478 |
6318 |
3887 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15021 |
6113 |
611 |
86 |
17 |
6 |
3 |
0 |
| OW |
14 |
327 |
144 |
97 |
51 |
14 |
12 |
0 |
| VODI |
0 |
171 |
198 |
219 |
102 |
60 |
41 |
0 |
| ODI |
0 |
85 |
140 |
179 |
154 |
163 |
150 |
6 |
| CDI |
0 |
90 |
117 |
142 |
129 |
224 |
489 |
53 |
| VCDI |
0 |
120 |
323 |
432 |
483 |
751 |
6717 |
3905 |
|
Date: 2016-02-03:
| 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 |
15228 |
6329 |
610 |
138 |
61 |
24 |
1 |
0 |
| OW |
3 |
251 |
165 |
151 |
62 |
30 |
15 |
0 |
| VODI |
0 |
213 |
127 |
208 |
164 |
108 |
45 |
0 |
| ODI |
0 |
143 |
127 |
125 |
133 |
151 |
188 |
0 |
| CDI |
0 |
78 |
171 |
216 |
204 |
231 |
528 |
13 |
| VCDI |
0 |
33 |
120 |
499 |
537 |
614 |
6548 |
3567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15213 |
5764 |
464 |
81 |
37 |
10 |
0 |
0 |
| OW |
15 |
361 |
129 |
83 |
41 |
26 |
10 |
0 |
| VODI |
3 |
286 |
133 |
161 |
94 |
62 |
41 |
0 |
| ODI |
0 |
155 |
109 |
122 |
118 |
96 |
144 |
0 |
| CDI |
0 |
142 |
79 |
155 |
147 |
181 |
428 |
10 |
| VCDI |
0 |
339 |
406 |
735 |
724 |
783 |
6702 |
3570 |
|
Date: 2016-02-05:
| 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 |
15310 |
6103 |
490 |
111 |
45 |
10 |
10 |
0 |
| OW |
0 |
275 |
154 |
143 |
35 |
15 |
12 |
0 |
| VODI |
0 |
202 |
147 |
210 |
151 |
42 |
25 |
0 |
| ODI |
0 |
165 |
79 |
133 |
181 |
174 |
91 |
0 |
| CDI |
0 |
93 |
117 |
147 |
196 |
309 |
563 |
19 |
| VCDI |
0 |
70 |
189 |
486 |
608 |
907 |
6338 |
3804 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15287 |
5579 |
362 |
66 |
32 |
8 |
8 |
0 |
| OW |
17 |
303 |
115 |
83 |
21 |
5 |
4 |
0 |
| VODI |
6 |
367 |
132 |
154 |
100 |
32 |
18 |
0 |
| ODI |
0 |
153 |
108 |
134 |
153 |
79 |
69 |
0 |
| CDI |
0 |
137 |
78 |
152 |
145 |
239 |
369 |
16 |
| VCDI |
0 |
369 |
381 |
641 |
765 |
1094 |
6571 |
3807 |
|
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