Validation of sea ice concentration
Bulletin date: 2015-03-19
Model vs. observations, sea ice class contingency tables
Date: 2015-03-13:
| 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 |
13988 |
5796 |
427 |
62 |
9 |
0 |
0 |
0 |
| OW |
0 |
268 |
303 |
216 |
55 |
30 |
18 |
0 |
| VODI |
0 |
81 |
231 |
351 |
205 |
55 |
47 |
0 |
| ODI |
0 |
38 |
92 |
146 |
127 |
87 |
115 |
0 |
| CDI |
0 |
19 |
112 |
173 |
175 |
138 |
476 |
36 |
| VCDI |
0 |
2 |
23 |
168 |
376 |
503 |
7861 |
4258 |
|
...date precedes bulletin
|
Date: 2015-03-17:
| 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 |
14359 |
6039 |
486 |
194 |
63 |
19 |
0 |
0 |
| OW |
0 |
175 |
178 |
171 |
106 |
50 |
13 |
0 |
| VODI |
0 |
55 |
179 |
190 |
182 |
153 |
52 |
0 |
| ODI |
0 |
14 |
81 |
123 |
155 |
147 |
137 |
0 |
| CDI |
0 |
2 |
74 |
122 |
195 |
403 |
599 |
25 |
| VCDI |
0 |
0 |
16 |
87 |
365 |
1437 |
6227 |
4194 |
|
...date precedes bulletin
|
Date: 2015-03-19:
| 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 |
12915 |
6247 |
1035 |
312 |
75 |
6 |
0 |
0 |
| OW |
0 |
222 |
276 |
152 |
62 |
9 |
0 |
0 |
| VODI |
0 |
87 |
222 |
230 |
149 |
27 |
10 |
0 |
| ODI |
0 |
27 |
108 |
171 |
210 |
53 |
31 |
0 |
| CDI |
0 |
17 |
122 |
178 |
337 |
217 |
103 |
7 |
| VCDI |
0 |
3 |
102 |
274 |
1067 |
2020 |
6321 |
3663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12915 |
6269 |
1053 |
331 |
75 |
6 |
0 |
0 |
| OW |
0 |
197 |
266 |
140 |
54 |
10 |
0 |
0 |
| VODI |
0 |
89 |
217 |
236 |
170 |
28 |
20 |
0 |
| ODI |
0 |
22 |
102 |
151 |
199 |
62 |
30 |
0 |
| CDI |
0 |
17 |
111 |
195 |
355 |
218 |
109 |
7 |
| VCDI |
0 |
9 |
116 |
264 |
1047 |
2008 |
6306 |
3663 |
|
Date: 2015-03-23:
| 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 |
13368 |
5906 |
497 |
158 |
56 |
3 |
0 |
0 |
| OW |
0 |
156 |
268 |
145 |
37 |
8 |
0 |
0 |
| VODI |
0 |
53 |
224 |
302 |
129 |
29 |
0 |
0 |
| ODI |
0 |
6 |
90 |
227 |
226 |
72 |
8 |
0 |
| CDI |
0 |
0 |
18 |
205 |
352 |
325 |
90 |
1 |
| VCDI |
0 |
0 |
16 |
93 |
901 |
5567 |
4753 |
2778 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13368 |
5823 |
550 |
211 |
69 |
10 |
0 |
0 |
| OW |
0 |
117 |
218 |
134 |
54 |
15 |
0 |
0 |
| VODI |
0 |
109 |
162 |
242 |
144 |
38 |
2 |
0 |
| ODI |
0 |
42 |
69 |
140 |
125 |
83 |
7 |
0 |
| CDI |
0 |
27 |
51 |
145 |
270 |
234 |
80 |
2 |
| VCDI |
0 |
3 |
63 |
258 |
1039 |
5624 |
4762 |
2777 |
|
Date: 2015-03-25:
| 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 |
12930 |
5874 |
641 |
218 |
118 |
22 |
1 |
0 |
| OW |
0 |
56 |
266 |
123 |
64 |
18 |
2 |
0 |
| VODI |
0 |
36 |
160 |
175 |
137 |
67 |
13 |
0 |
| ODI |
0 |
0 |
51 |
183 |
221 |
123 |
60 |
0 |
| CDI |
0 |
0 |
11 |
85 |
190 |
224 |
360 |
2 |
| VCDI |
0 |
0 |
7 |
37 |
196 |
770 |
7503 |
6123 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12930 |
5848 |
706 |
240 |
149 |
25 |
3 |
0 |
| OW |
0 |
72 |
189 |
153 |
99 |
45 |
13 |
0 |
| VODI |
0 |
42 |
118 |
188 |
183 |
98 |
44 |
0 |
| ODI |
0 |
4 |
75 |
92 |
130 |
105 |
96 |
0 |
| CDI |
0 |
0 |
37 |
76 |
132 |
208 |
269 |
1 |
| VCDI |
0 |
0 |
11 |
72 |
233 |
743 |
7514 |
6124 |
|
Date: 2015-03-27:
| 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 |
13244 |
5721 |
597 |
210 |
79 |
1 |
0 |
0 |
| OW |
0 |
80 |
293 |
114 |
53 |
13 |
5 |
0 |
| VODI |
0 |
44 |
197 |
181 |
122 |
63 |
15 |
0 |
| ODI |
0 |
5 |
109 |
145 |
188 |
107 |
31 |
0 |
| CDI |
0 |
0 |
64 |
121 |
278 |
202 |
321 |
3 |
| VCDI |
0 |
0 |
33 |
126 |
513 |
1456 |
7663 |
4670 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13244 |
5716 |
644 |
260 |
101 |
10 |
2 |
0 |
| OW |
0 |
78 |
254 |
145 |
101 |
33 |
14 |
0 |
| VODI |
0 |
42 |
182 |
166 |
192 |
110 |
37 |
0 |
| ODI |
0 |
13 |
98 |
110 |
205 |
137 |
90 |
0 |
| CDI |
0 |
1 |
72 |
80 |
197 |
177 |
359 |
4 |
| VCDI |
0 |
0 |
43 |
136 |
437 |
1375 |
7533 |
4669 |
|
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