Validation of sea ice concentration
Bulletin date: 2015-01-29
Model vs. observations, sea ice class contingency tables
Date: 2015-01-23:
| 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 |
13634 |
5366 |
693 |
277 |
82 |
54 |
2 |
0 |
| OW |
0 |
137 |
82 |
142 |
85 |
78 |
10 |
4 |
| VODI |
0 |
83 |
84 |
114 |
127 |
135 |
37 |
2 |
| ODI |
0 |
39 |
91 |
87 |
105 |
156 |
131 |
0 |
| CDI |
0 |
8 |
123 |
90 |
121 |
190 |
396 |
13 |
| VCDI |
0 |
28 |
105 |
109 |
187 |
528 |
6281 |
7051 |
|
...date precedes bulletin
|
Date: 2015-01-27:
| 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 |
13973 |
5697 |
535 |
106 |
23 |
5 |
0 |
0 |
| OW |
0 |
83 |
206 |
112 |
46 |
25 |
3 |
0 |
| VODI |
0 |
39 |
158 |
181 |
138 |
94 |
18 |
0 |
| ODI |
0 |
12 |
84 |
134 |
130 |
106 |
91 |
0 |
| CDI |
0 |
4 |
77 |
115 |
124 |
151 |
405 |
35 |
| VCDI |
0 |
0 |
87 |
122 |
197 |
347 |
5752 |
7652 |
|
...date precedes bulletin
|
Date: 2015-01-29:
| 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 |
13817 |
5435 |
428 |
182 |
74 |
10 |
1 |
0 |
| OW |
0 |
140 |
154 |
105 |
80 |
21 |
5 |
0 |
| VODI |
0 |
79 |
100 |
143 |
136 |
105 |
28 |
0 |
| ODI |
0 |
29 |
50 |
101 |
164 |
116 |
108 |
0 |
| CDI |
0 |
33 |
30 |
85 |
213 |
259 |
308 |
15 |
| VCDI |
0 |
34 |
73 |
156 |
198 |
398 |
5066 |
8588 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13817 |
5448 |
437 |
188 |
83 |
10 |
1 |
0 |
| OW |
0 |
130 |
139 |
81 |
66 |
17 |
6 |
0 |
| VODI |
0 |
73 |
99 |
146 |
127 |
75 |
22 |
0 |
| ODI |
0 |
31 |
58 |
112 |
163 |
141 |
105 |
0 |
| CDI |
0 |
35 |
27 |
91 |
212 |
253 |
326 |
18 |
| VCDI |
0 |
33 |
75 |
154 |
214 |
413 |
5056 |
8585 |
|
Date: 2015-02-02:
| 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 |
13118 |
5440 |
743 |
319 |
129 |
60 |
14 |
0 |
| OW |
0 |
111 |
77 |
80 |
71 |
52 |
26 |
0 |
| VODI |
0 |
67 |
95 |
80 |
79 |
108 |
71 |
0 |
| ODI |
0 |
18 |
78 |
93 |
98 |
137 |
158 |
0 |
| CDI |
0 |
1 |
80 |
90 |
100 |
228 |
471 |
8 |
| VCDI |
0 |
0 |
53 |
118 |
156 |
601 |
8548 |
5291 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13118 |
5257 |
674 |
289 |
132 |
59 |
11 |
0 |
| OW |
0 |
105 |
88 |
84 |
47 |
57 |
33 |
0 |
| VODI |
0 |
113 |
84 |
72 |
93 |
110 |
111 |
0 |
| ODI |
0 |
92 |
56 |
73 |
91 |
157 |
136 |
0 |
| CDI |
0 |
57 |
81 |
91 |
96 |
204 |
409 |
9 |
| VCDI |
0 |
13 |
143 |
171 |
174 |
599 |
8588 |
5290 |
|
Date: 2015-02-04:
| 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 |
13206 |
5520 |
558 |
215 |
118 |
58 |
12 |
0 |
| OW |
0 |
152 |
116 |
81 |
51 |
49 |
37 |
0 |
| VODI |
0 |
70 |
104 |
68 |
61 |
69 |
110 |
0 |
| ODI |
0 |
38 |
85 |
56 |
73 |
84 |
174 |
0 |
| CDI |
0 |
27 |
71 |
52 |
109 |
306 |
648 |
4 |
| VCDI |
0 |
246 |
105 |
138 |
157 |
421 |
9737 |
3881 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13206 |
5314 |
525 |
214 |
114 |
49 |
16 |
0 |
| OW |
0 |
145 |
79 |
72 |
65 |
51 |
34 |
0 |
| VODI |
0 |
132 |
70 |
74 |
68 |
72 |
113 |
0 |
| ODI |
0 |
96 |
81 |
51 |
71 |
129 |
263 |
0 |
| CDI |
0 |
63 |
89 |
62 |
91 |
205 |
479 |
1 |
| VCDI |
0 |
303 |
195 |
137 |
160 |
481 |
9813 |
3884 |
|
Date: 2015-02-06:
| 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 |
13120 |
5490 |
472 |
172 |
91 |
48 |
14 |
0 |
| OW |
0 |
224 |
124 |
57 |
50 |
49 |
30 |
0 |
| VODI |
0 |
220 |
141 |
71 |
63 |
50 |
80 |
0 |
| ODI |
0 |
94 |
140 |
74 |
96 |
92 |
143 |
3 |
| CDI |
0 |
76 |
90 |
91 |
120 |
257 |
643 |
42 |
| VCDI |
0 |
134 |
188 |
251 |
371 |
627 |
7962 |
5007 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13120 |
5332 |
602 |
225 |
99 |
54 |
17 |
0 |
| OW |
0 |
189 |
92 |
66 |
94 |
43 |
40 |
0 |
| VODI |
0 |
176 |
59 |
58 |
85 |
108 |
130 |
0 |
| ODI |
0 |
117 |
53 |
36 |
69 |
105 |
224 |
0 |
| CDI |
0 |
121 |
70 |
50 |
114 |
203 |
632 |
12 |
| VCDI |
0 |
303 |
279 |
281 |
330 |
610 |
7829 |
5040 |
|
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