Validation of sea ice concentration
Bulletin date: 2013-12-12
Model vs. observations, sea ice class contingency tables
Date: 2013-12-06:
| 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 |
14162 |
6196 |
668 |
369 |
30 |
18 |
28 |
0 |
| OW |
0 |
270 |
120 |
199 |
34 |
11 |
24 |
0 |
| VODI |
0 |
123 |
121 |
259 |
136 |
33 |
25 |
0 |
| ODI |
0 |
77 |
106 |
156 |
129 |
96 |
66 |
0 |
| CDI |
0 |
52 |
71 |
148 |
189 |
238 |
269 |
17 |
| VCDI |
0 |
5 |
124 |
225 |
431 |
1395 |
6472 |
4327 |
|
...date precedes bulletin
|
Date: 2013-12-10:
| 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 |
14996 |
6095 |
452 |
145 |
109 |
47 |
20 |
0 |
| OW |
18 |
125 |
170 |
98 |
50 |
32 |
33 |
0 |
| VODI |
16 |
144 |
109 |
140 |
166 |
89 |
38 |
0 |
| ODI |
0 |
68 |
86 |
156 |
135 |
179 |
97 |
1 |
| CDI |
0 |
2 |
33 |
102 |
156 |
368 |
343 |
16 |
| VCDI |
0 |
0 |
2 |
50 |
219 |
704 |
7005 |
4605 |
|
...date precedes bulletin
|
Date: 2013-12-12:
| 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 |
15005 |
6110 |
328 |
118 |
22 |
22 |
22 |
0 |
| OW |
13 |
216 |
174 |
92 |
31 |
9 |
34 |
0 |
| VODI |
14 |
109 |
137 |
168 |
76 |
53 |
58 |
0 |
| ODI |
2 |
92 |
63 |
124 |
154 |
93 |
82 |
0 |
| CDI |
0 |
75 |
60 |
151 |
174 |
309 |
220 |
3 |
| VCDI |
0 |
6 |
52 |
147 |
241 |
1001 |
7341 |
4218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15032 |
6245 |
446 |
193 |
43 |
30 |
45 |
0 |
| OW |
2 |
105 |
99 |
74 |
32 |
18 |
26 |
0 |
| VODI |
0 |
94 |
88 |
107 |
74 |
37 |
63 |
0 |
| ODI |
0 |
69 |
60 |
108 |
110 |
79 |
79 |
0 |
| CDI |
0 |
87 |
63 |
130 |
144 |
207 |
167 |
3 |
| VCDI |
0 |
8 |
58 |
188 |
295 |
1116 |
7377 |
4218 |
|
Date: 2013-12-16:
| 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 |
14683 |
6572 |
476 |
167 |
39 |
8 |
16 |
0 |
| OW |
5 |
133 |
209 |
158 |
76 |
39 |
17 |
0 |
| VODI |
0 |
55 |
123 |
153 |
105 |
104 |
45 |
0 |
| ODI |
0 |
25 |
33 |
109 |
126 |
223 |
87 |
1 |
| CDI |
0 |
4 |
49 |
90 |
177 |
494 |
404 |
12 |
| VCDI |
0 |
0 |
36 |
64 |
140 |
650 |
6555 |
4957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14688 |
6440 |
468 |
209 |
40 |
25 |
40 |
0 |
| OW |
0 |
107 |
102 |
49 |
37 |
20 |
17 |
0 |
| VODI |
0 |
106 |
110 |
94 |
54 |
48 |
42 |
0 |
| ODI |
0 |
66 |
63 |
85 |
77 |
96 |
62 |
2 |
| CDI |
0 |
45 |
59 |
94 |
122 |
292 |
236 |
39 |
| VCDI |
0 |
25 |
124 |
210 |
333 |
1037 |
6727 |
4929 |
|
Date: 2013-12-18:
| 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 |
14882 |
6388 |
381 |
156 |
79 |
35 |
5 |
0 |
| OW |
0 |
186 |
213 |
132 |
78 |
54 |
14 |
0 |
| VODI |
0 |
110 |
174 |
149 |
107 |
84 |
43 |
0 |
| ODI |
0 |
66 |
85 |
94 |
118 |
137 |
92 |
1 |
| CDI |
0 |
51 |
102 |
91 |
173 |
255 |
343 |
112 |
| VCDI |
0 |
16 |
110 |
190 |
465 |
889 |
6170 |
4589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14882 |
6261 |
455 |
261 |
117 |
52 |
29 |
0 |
| OW |
0 |
124 |
67 |
57 |
36 |
25 |
13 |
0 |
| VODI |
0 |
155 |
97 |
64 |
59 |
57 |
31 |
0 |
| ODI |
0 |
115 |
93 |
50 |
64 |
68 |
98 |
34 |
| CDI |
0 |
82 |
120 |
87 |
105 |
195 |
311 |
119 |
| VCDI |
0 |
80 |
233 |
293 |
639 |
1057 |
6185 |
4549 |
|
Date: 2013-12-20:
| 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 |
14740 |
6543 |
292 |
208 |
26 |
5 |
1 |
0 |
| OW |
0 |
279 |
142 |
191 |
67 |
26 |
8 |
0 |
| VODI |
0 |
146 |
127 |
152 |
138 |
81 |
21 |
0 |
| ODI |
0 |
82 |
66 |
96 |
125 |
150 |
66 |
0 |
| CDI |
0 |
74 |
69 |
103 |
113 |
323 |
306 |
8 |
| VCDI |
0 |
88 |
139 |
216 |
295 |
958 |
7050 |
3899 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14740 |
6519 |
358 |
290 |
116 |
62 |
33 |
0 |
| OW |
0 |
145 |
57 |
66 |
43 |
32 |
15 |
0 |
| VODI |
0 |
160 |
62 |
91 |
45 |
55 |
38 |
0 |
| ODI |
0 |
128 |
67 |
79 |
63 |
79 |
134 |
0 |
| CDI |
0 |
89 |
78 |
94 |
84 |
184 |
291 |
22 |
| VCDI |
0 |
171 |
213 |
346 |
413 |
1131 |
6941 |
3885 |
|
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