Validation of sea ice concentration
Bulletin date: 2015-05-28
Model vs. observations, sea ice class contingency tables
Date: 2015-05-22:
| 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 |
14992 |
6386 |
858 |
335 |
100 |
36 |
16 |
0 |
| OW |
0 |
13 |
166 |
236 |
86 |
64 |
33 |
0 |
| VODI |
0 |
1 |
95 |
253 |
173 |
105 |
35 |
5 |
| ODI |
0 |
0 |
14 |
150 |
190 |
207 |
169 |
8 |
| CDI |
0 |
0 |
3 |
84 |
221 |
519 |
1537 |
9 |
| VCDI |
0 |
0 |
0 |
9 |
36 |
185 |
6529 |
3209 |
|
...date precedes bulletin
|
Date: 2015-05-26:
| 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 |
15565 |
6216 |
701 |
658 |
118 |
16 |
59 |
0 |
| OW |
0 |
21 |
113 |
289 |
104 |
35 |
20 |
0 |
| VODI |
0 |
4 |
92 |
236 |
186 |
107 |
96 |
4 |
| ODI |
0 |
1 |
32 |
129 |
207 |
198 |
314 |
2 |
| CDI |
0 |
0 |
7 |
85 |
115 |
448 |
1761 |
0 |
| VCDI |
0 |
104 |
8 |
55 |
48 |
251 |
6499 |
2163 |
|
...date precedes bulletin
|
Date: 2015-05-28:
| 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 |
16175 |
5507 |
917 |
600 |
131 |
24 |
28 |
0 |
| OW |
0 |
44 |
142 |
257 |
110 |
38 |
13 |
0 |
| VODI |
0 |
8 |
122 |
191 |
214 |
128 |
101 |
4 |
| ODI |
0 |
0 |
51 |
117 |
170 |
226 |
304 |
2 |
| CDI |
0 |
0 |
16 |
84 |
109 |
221 |
1960 |
1 |
| VCDI |
0 |
104 |
7 |
74 |
54 |
151 |
5696 |
2966 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16175 |
5511 |
971 |
681 |
142 |
25 |
29 |
0 |
| OW |
0 |
36 |
104 |
194 |
111 |
34 |
17 |
0 |
| VODI |
0 |
12 |
109 |
177 |
206 |
150 |
88 |
4 |
| ODI |
0 |
0 |
49 |
112 |
161 |
199 |
281 |
2 |
| CDI |
0 |
0 |
15 |
91 |
119 |
239 |
1940 |
0 |
| VCDI |
0 |
104 |
7 |
68 |
49 |
141 |
5747 |
2967 |
|
Date: 2015-06-01:
| 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 |
16646 |
5587 |
1115 |
413 |
130 |
22 |
31 |
3 |
| OW |
0 |
53 |
272 |
229 |
99 |
36 |
10 |
1 |
| VODI |
0 |
1 |
108 |
282 |
199 |
124 |
89 |
0 |
| ODI |
0 |
0 |
47 |
144 |
168 |
272 |
260 |
1 |
| CDI |
0 |
0 |
17 |
61 |
98 |
295 |
1941 |
13 |
| VCDI |
0 |
0 |
7 |
14 |
35 |
122 |
4531 |
3591 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16646 |
5547 |
1067 |
424 |
162 |
42 |
34 |
1 |
| OW |
0 |
80 |
230 |
195 |
80 |
42 |
32 |
3 |
| VODI |
0 |
13 |
144 |
226 |
160 |
151 |
181 |
0 |
| ODI |
0 |
1 |
61 |
156 |
149 |
193 |
282 |
1 |
| CDI |
0 |
0 |
43 |
108 |
129 |
292 |
1958 |
21 |
| VCDI |
0 |
0 |
21 |
34 |
49 |
151 |
4375 |
3583 |
|
Date: 2015-06-03:
| 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 |
17023 |
5646 |
1146 |
342 |
105 |
28 |
37 |
3 |
| OW |
0 |
32 |
239 |
173 |
128 |
41 |
41 |
0 |
| VODI |
0 |
0 |
139 |
204 |
147 |
141 |
126 |
0 |
| ODI |
0 |
0 |
49 |
126 |
121 |
170 |
274 |
2 |
| CDI |
0 |
0 |
23 |
78 |
112 |
191 |
2195 |
1 |
| VCDI |
0 |
0 |
4 |
15 |
27 |
69 |
4477 |
3392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17023 |
5523 |
1016 |
363 |
142 |
46 |
49 |
3 |
| OW |
0 |
137 |
210 |
147 |
84 |
59 |
73 |
0 |
| VODI |
0 |
17 |
200 |
127 |
126 |
129 |
251 |
0 |
| ODI |
0 |
1 |
102 |
115 |
126 |
121 |
362 |
2 |
| CDI |
0 |
0 |
64 |
144 |
122 |
211 |
2003 |
18 |
| VCDI |
0 |
0 |
8 |
42 |
40 |
74 |
4412 |
3375 |
|
Date: 2015-06-05:
| 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 |
16388 |
6300 |
1123 |
359 |
144 |
39 |
52 |
3 |
| OW |
0 |
42 |
267 |
138 |
131 |
63 |
60 |
0 |
| VODI |
0 |
6 |
151 |
186 |
165 |
145 |
175 |
0 |
| ODI |
0 |
0 |
51 |
103 |
123 |
132 |
320 |
0 |
| CDI |
0 |
0 |
42 |
70 |
102 |
306 |
2299 |
1 |
| VCDI |
0 |
0 |
8 |
15 |
16 |
45 |
3936 |
3561 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16388 |
6152 |
1070 |
358 |
155 |
50 |
75 |
3 |
| OW |
0 |
119 |
197 |
115 |
101 |
62 |
121 |
0 |
| VODI |
0 |
61 |
148 |
139 |
127 |
148 |
245 |
0 |
| ODI |
0 |
13 |
80 |
69 |
116 |
155 |
470 |
0 |
| CDI |
0 |
3 |
117 |
146 |
146 |
256 |
2221 |
0 |
| VCDI |
0 |
0 |
30 |
44 |
36 |
59 |
3710 |
3562 |
|
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