Validation of sea ice concentration
Bulletin date: 2016-05-26
Model vs. observations, sea ice class contingency tables
Date: 2016-05-20:
| 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 |
17420 |
5768 |
867 |
511 |
297 |
109 |
56 |
0 |
| OW |
0 |
21 |
93 |
186 |
149 |
124 |
119 |
5 |
| VODI |
0 |
10 |
55 |
158 |
160 |
191 |
207 |
9 |
| ODI |
0 |
7 |
19 |
110 |
128 |
118 |
474 |
1 |
| CDI |
0 |
7 |
22 |
63 |
156 |
403 |
1615 |
1 |
| VCDI |
0 |
0 |
0 |
23 |
22 |
192 |
4312 |
3971 |
|
...date precedes bulletin
|
Date: 2016-05-24:
| 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 |
16877 |
5891 |
1590 |
837 |
364 |
71 |
36 |
0 |
| OW |
0 |
1 |
54 |
176 |
200 |
85 |
72 |
1 |
| VODI |
0 |
0 |
23 |
108 |
253 |
220 |
206 |
12 |
| ODI |
0 |
0 |
8 |
56 |
137 |
375 |
431 |
1 |
| CDI |
0 |
0 |
1 |
21 |
104 |
804 |
2066 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
29 |
181 |
2938 |
3904 |
|
...date precedes bulletin
|
Date: 2016-05-26:
| 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 |
17085 |
6273 |
1290 |
647 |
289 |
134 |
58 |
0 |
| OW |
0 |
10 |
98 |
142 |
186 |
161 |
84 |
3 |
| VODI |
0 |
3 |
64 |
109 |
179 |
302 |
284 |
10 |
| ODI |
0 |
0 |
21 |
69 |
138 |
259 |
588 |
1 |
| CDI |
0 |
0 |
4 |
46 |
121 |
541 |
2460 |
7 |
| VCDI |
0 |
0 |
0 |
24 |
20 |
41 |
2501 |
3907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17085 |
6272 |
1287 |
668 |
323 |
174 |
90 |
0 |
| OW |
0 |
10 |
101 |
119 |
162 |
160 |
77 |
2 |
| VODI |
0 |
4 |
67 |
110 |
172 |
264 |
270 |
11 |
| ODI |
0 |
0 |
20 |
64 |
127 |
247 |
560 |
1 |
| CDI |
0 |
0 |
2 |
53 |
128 |
551 |
2454 |
8 |
| VCDI |
0 |
0 |
0 |
23 |
21 |
42 |
2524 |
3906 |
|
Date: 2016-05-30:
| 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 |
17693 |
6438 |
926 |
567 |
235 |
227 |
71 |
0 |
| OW |
0 |
21 |
135 |
170 |
173 |
133 |
98 |
11 |
| VODI |
0 |
2 |
54 |
150 |
279 |
254 |
296 |
2 |
| ODI |
0 |
0 |
10 |
47 |
161 |
312 |
833 |
1 |
| CDI |
0 |
0 |
2 |
28 |
136 |
251 |
2422 |
1 |
| VCDI |
0 |
0 |
0 |
24 |
26 |
45 |
2380 |
3545 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17693 |
6378 |
868 |
540 |
291 |
343 |
166 |
11 |
| OW |
0 |
45 |
99 |
142 |
95 |
100 |
183 |
0 |
| VODI |
0 |
33 |
83 |
136 |
182 |
170 |
368 |
2 |
| ODI |
0 |
5 |
55 |
76 |
179 |
144 |
587 |
3 |
| CDI |
0 |
0 |
22 |
68 |
216 |
390 |
2565 |
1 |
| VCDI |
0 |
0 |
0 |
24 |
47 |
75 |
2231 |
3543 |
|
Date: 2016-06-01:
| 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 |
17421 |
6429 |
1225 |
735 |
436 |
124 |
79 |
10 |
| OW |
0 |
11 |
94 |
187 |
254 |
124 |
151 |
1 |
| VODI |
0 |
1 |
27 |
118 |
317 |
295 |
330 |
2 |
| ODI |
0 |
0 |
7 |
68 |
172 |
345 |
578 |
1 |
| CDI |
0 |
0 |
5 |
31 |
77 |
313 |
2279 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
29 |
53 |
2249 |
3567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17421 |
6340 |
1066 |
648 |
509 |
207 |
208 |
11 |
| OW |
0 |
55 |
130 |
126 |
120 |
100 |
150 |
0 |
| VODI |
0 |
35 |
100 |
172 |
190 |
173 |
372 |
2 |
| ODI |
0 |
10 |
46 |
119 |
227 |
233 |
528 |
1 |
| CDI |
0 |
1 |
16 |
74 |
197 |
457 |
2167 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
42 |
84 |
2241 |
3567 |
|
Date: 2016-06-03:
| 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 |
17058 |
6607 |
1075 |
1027 |
438 |
132 |
118 |
11 |
| OW |
0 |
17 |
44 |
258 |
290 |
188 |
154 |
0 |
| VODI |
0 |
11 |
8 |
137 |
303 |
396 |
386 |
2 |
| ODI |
0 |
5 |
4 |
53 |
156 |
352 |
588 |
1 |
| CDI |
0 |
0 |
1 |
32 |
47 |
331 |
2022 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
16 |
37 |
1904 |
3937 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17058 |
6581 |
923 |
936 |
501 |
226 |
233 |
11 |
| OW |
0 |
33 |
133 |
131 |
96 |
122 |
157 |
0 |
| VODI |
0 |
20 |
62 |
189 |
209 |
245 |
340 |
2 |
| ODI |
0 |
6 |
12 |
186 |
245 |
269 |
519 |
1 |
| CDI |
0 |
0 |
2 |
61 |
176 |
491 |
2005 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
23 |
83 |
1918 |
3937 |
|
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