Validation of sea ice concentration
Bulletin date: 2013-02-21
Model vs. observations, sea ice class contingency tables
Date: 2013-02-15:
| 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 |
13265 |
6437 |
632 |
275 |
82 |
2 |
0 |
0 |
| OW |
0 |
231 |
177 |
208 |
103 |
14 |
2 |
0 |
| VODI |
0 |
109 |
111 |
240 |
248 |
57 |
21 |
0 |
| ODI |
0 |
40 |
65 |
193 |
218 |
156 |
72 |
1 |
| CDI |
0 |
9 |
27 |
121 |
236 |
449 |
450 |
18 |
| VCDI |
0 |
2 |
17 |
48 |
143 |
701 |
7028 |
5211 |
|
...date precedes bulletin
|
Date: 2013-02-19:
| 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 |
13239 |
6500 |
464 |
300 |
97 |
12 |
0 |
0 |
| OW |
0 |
122 |
128 |
155 |
94 |
67 |
0 |
0 |
| VODI |
0 |
44 |
88 |
174 |
192 |
181 |
0 |
0 |
| ODI |
0 |
13 |
26 |
98 |
122 |
277 |
56 |
0 |
| CDI |
0 |
5 |
11 |
76 |
166 |
603 |
342 |
0 |
| VCDI |
0 |
0 |
9 |
32 |
119 |
881 |
6700 |
6026 |
|
...date precedes bulletin
|
Date: 2013-02-21:
| 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 |
12966 |
6436 |
460 |
209 |
95 |
35 |
0 |
0 |
| OW |
0 |
189 |
146 |
112 |
67 |
66 |
1 |
0 |
| VODI |
0 |
132 |
120 |
184 |
117 |
98 |
4 |
0 |
| ODI |
0 |
33 |
63 |
153 |
139 |
203 |
51 |
0 |
| CDI |
0 |
14 |
23 |
91 |
129 |
346 |
197 |
31 |
| VCDI |
0 |
3 |
26 |
48 |
118 |
699 |
6770 |
6845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12966 |
6586 |
590 |
302 |
152 |
70 |
1 |
0 |
| OW |
0 |
88 |
63 |
74 |
61 |
61 |
5 |
0 |
| VODI |
0 |
76 |
74 |
124 |
94 |
112 |
11 |
0 |
| ODI |
0 |
29 |
50 |
118 |
89 |
177 |
33 |
0 |
| CDI |
0 |
20 |
28 |
109 |
105 |
222 |
154 |
33 |
| VCDI |
0 |
8 |
33 |
70 |
164 |
805 |
6819 |
6843 |
|
Date: 2013-02-25:
| 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 |
12726 |
6349 |
568 |
564 |
152 |
15 |
0 |
0 |
| OW |
0 |
49 |
91 |
206 |
163 |
48 |
1 |
0 |
| VODI |
0 |
16 |
51 |
170 |
173 |
159 |
9 |
0 |
| ODI |
0 |
1 |
25 |
94 |
103 |
253 |
28 |
0 |
| CDI |
0 |
0 |
11 |
53 |
92 |
416 |
144 |
6 |
| VCDI |
0 |
0 |
7 |
29 |
127 |
723 |
6517 |
7281 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12726 |
6229 |
474 |
494 |
188 |
52 |
1 |
0 |
| OW |
0 |
70 |
57 |
89 |
51 |
24 |
7 |
0 |
| VODI |
0 |
63 |
60 |
133 |
89 |
70 |
10 |
0 |
| ODI |
0 |
31 |
35 |
111 |
108 |
88 |
24 |
0 |
| CDI |
0 |
19 |
42 |
89 |
88 |
263 |
79 |
4 |
| VCDI |
0 |
3 |
85 |
200 |
286 |
1117 |
6578 |
7283 |
|
Date: 2013-02-27:
| 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 |
13060 |
6064 |
675 |
225 |
58 |
3 |
0 |
0 |
| OW |
0 |
166 |
160 |
118 |
71 |
6 |
0 |
0 |
| VODI |
0 |
90 |
141 |
208 |
122 |
74 |
0 |
0 |
| ODI |
0 |
55 |
43 |
145 |
158 |
151 |
15 |
0 |
| CDI |
0 |
4 |
29 |
92 |
175 |
333 |
117 |
17 |
| VCDI |
0 |
0 |
31 |
52 |
177 |
965 |
8425 |
5195 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13060 |
6098 |
627 |
259 |
133 |
22 |
0 |
0 |
| OW |
0 |
99 |
95 |
71 |
43 |
22 |
2 |
0 |
| VODI |
0 |
71 |
108 |
107 |
87 |
61 |
2 |
0 |
| ODI |
0 |
54 |
72 |
118 |
102 |
125 |
61 |
0 |
| CDI |
0 |
35 |
69 |
100 |
113 |
192 |
207 |
37 |
| VCDI |
0 |
22 |
108 |
185 |
283 |
1110 |
8285 |
5175 |
|
Date: 2013-03-01:
| 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 |
12754 |
5939 |
558 |
318 |
94 |
21 |
0 |
0 |
| OW |
0 |
186 |
118 |
141 |
59 |
31 |
1 |
0 |
| VODI |
0 |
135 |
123 |
164 |
105 |
84 |
5 |
0 |
| ODI |
0 |
49 |
82 |
133 |
154 |
184 |
14 |
2 |
| CDI |
0 |
13 |
55 |
91 |
180 |
446 |
137 |
47 |
| VCDI |
0 |
0 |
17 |
96 |
183 |
1065 |
8774 |
4862 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12754 |
6064 |
593 |
379 |
148 |
78 |
2 |
0 |
| OW |
0 |
78 |
70 |
82 |
44 |
31 |
1 |
0 |
| VODI |
0 |
65 |
92 |
108 |
72 |
68 |
10 |
0 |
| ODI |
0 |
39 |
52 |
119 |
99 |
146 |
22 |
0 |
| CDI |
0 |
31 |
67 |
97 |
148 |
331 |
143 |
37 |
| VCDI |
0 |
45 |
79 |
158 |
264 |
1177 |
8753 |
4874 |
|
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