Validation of sea ice concentration
Bulletin date: 2015-04-23
Model vs. observations, sea ice class contingency tables
Date: 2015-04-17:
| 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 |
13884 |
6583 |
527 |
267 |
100 |
31 |
0 |
0 |
| OW |
0 |
356 |
309 |
170 |
104 |
23 |
0 |
0 |
| VODI |
0 |
64 |
163 |
149 |
104 |
53 |
37 |
0 |
| ODI |
0 |
34 |
69 |
167 |
160 |
127 |
162 |
0 |
| CDI |
0 |
16 |
108 |
252 |
317 |
282 |
816 |
0 |
| VCDI |
0 |
0 |
15 |
96 |
174 |
407 |
7204 |
3737 |
|
...date precedes bulletin
|
Date: 2015-04-21:
| 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 |
13279 |
6475 |
1125 |
417 |
140 |
38 |
0 |
0 |
| OW |
0 |
193 |
207 |
150 |
87 |
30 |
8 |
0 |
| VODI |
0 |
96 |
173 |
181 |
184 |
64 |
48 |
0 |
| ODI |
0 |
9 |
33 |
143 |
235 |
252 |
175 |
0 |
| CDI |
0 |
0 |
18 |
228 |
237 |
315 |
816 |
3 |
| VCDI |
0 |
0 |
6 |
156 |
278 |
520 |
6759 |
3989 |
|
...date precedes bulletin
|
Date: 2015-04-23:
| 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 |
12941 |
6476 |
1095 |
517 |
133 |
44 |
7 |
0 |
| OW |
0 |
136 |
180 |
184 |
55 |
18 |
19 |
0 |
| VODI |
0 |
150 |
114 |
220 |
135 |
72 |
54 |
0 |
| ODI |
0 |
30 |
64 |
199 |
160 |
179 |
191 |
0 |
| CDI |
0 |
10 |
16 |
173 |
249 |
255 |
396 |
0 |
| VCDI |
0 |
1 |
9 |
284 |
402 |
872 |
7411 |
3616 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12941 |
6469 |
1137 |
541 |
130 |
36 |
7 |
0 |
| OW |
0 |
133 |
146 |
178 |
70 |
24 |
18 |
0 |
| VODI |
0 |
163 |
120 |
208 |
131 |
64 |
59 |
0 |
| ODI |
0 |
27 |
50 |
197 |
169 |
198 |
160 |
0 |
| CDI |
0 |
10 |
16 |
184 |
247 |
272 |
436 |
0 |
| VCDI |
0 |
1 |
9 |
269 |
387 |
846 |
7398 |
3616 |
|
Date: 2015-04-27:
| 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 |
14036 |
6616 |
562 |
204 |
44 |
12 |
0 |
0 |
| OW |
5 |
101 |
209 |
133 |
34 |
3 |
0 |
0 |
| VODI |
9 |
24 |
136 |
186 |
127 |
46 |
7 |
0 |
| ODI |
1 |
6 |
50 |
169 |
243 |
160 |
126 |
0 |
| CDI |
1 |
1 |
10 |
90 |
359 |
591 |
878 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
112 |
562 |
6866 |
4327 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14029 |
6353 |
447 |
200 |
44 |
12 |
0 |
0 |
| OW |
11 |
190 |
147 |
102 |
45 |
14 |
0 |
0 |
| VODI |
10 |
124 |
145 |
106 |
70 |
43 |
28 |
0 |
| ODI |
1 |
54 |
121 |
130 |
112 |
51 |
112 |
0 |
| CDI |
1 |
21 |
72 |
135 |
293 |
311 |
494 |
0 |
| VCDI |
0 |
6 |
35 |
130 |
355 |
943 |
7243 |
4327 |
|
Date: 2015-04-29:
| 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 |
14043 |
6586 |
512 |
301 |
76 |
22 |
2 |
0 |
| OW |
3 |
60 |
111 |
157 |
66 |
8 |
4 |
0 |
| VODI |
9 |
28 |
95 |
152 |
108 |
45 |
19 |
0 |
| ODI |
1 |
10 |
57 |
124 |
120 |
133 |
144 |
0 |
| CDI |
1 |
0 |
34 |
134 |
229 |
457 |
720 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
134 |
866 |
8352 |
3125 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14036 |
6321 |
408 |
264 |
79 |
23 |
3 |
0 |
| OW |
10 |
132 |
84 |
147 |
60 |
20 |
9 |
0 |
| VODI |
9 |
127 |
101 |
127 |
76 |
39 |
42 |
0 |
| ODI |
2 |
45 |
86 |
96 |
106 |
91 |
109 |
0 |
| CDI |
0 |
44 |
65 |
139 |
171 |
273 |
492 |
0 |
| VCDI |
0 |
15 |
65 |
114 |
241 |
1085 |
8586 |
3125 |
|
Date: 2015-05-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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