Validation of sea ice concentration
Bulletin date: 2013-12-19
Model vs. observations, sea ice class contingency tables
Date: 2013-12-13:
| 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 |
14684 |
6256 |
332 |
140 |
51 |
23 |
12 |
0 |
| OW |
0 |
211 |
124 |
118 |
40 |
16 |
17 |
0 |
| VODI |
0 |
164 |
135 |
140 |
85 |
60 |
40 |
0 |
| ODI |
0 |
74 |
63 |
97 |
121 |
101 |
76 |
0 |
| CDI |
0 |
102 |
63 |
93 |
191 |
217 |
244 |
1 |
| VCDI |
0 |
34 |
108 |
151 |
325 |
1152 |
6784 |
4774 |
|
...date precedes bulletin
|
Date: 2013-12-17:
| 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 |
14863 |
6622 |
413 |
147 |
27 |
22 |
3 |
0 |
| OW |
5 |
138 |
163 |
166 |
59 |
47 |
7 |
0 |
| VODI |
0 |
70 |
135 |
159 |
108 |
133 |
24 |
0 |
| ODI |
0 |
41 |
53 |
115 |
96 |
183 |
83 |
0 |
| CDI |
0 |
52 |
79 |
106 |
128 |
348 |
442 |
45 |
| VCDI |
0 |
0 |
47 |
123 |
201 |
986 |
6189 |
4791 |
|
...date precedes bulletin
|
Date: 2013-12-19:
| 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 |
14450 |
6614 |
478 |
233 |
75 |
19 |
4 |
0 |
| OW |
0 |
187 |
167 |
167 |
105 |
43 |
14 |
0 |
| VODI |
0 |
124 |
161 |
108 |
136 |
85 |
39 |
0 |
| ODI |
0 |
68 |
90 |
94 |
132 |
128 |
90 |
7 |
| CDI |
0 |
47 |
82 |
105 |
147 |
260 |
254 |
120 |
| VCDI |
0 |
7 |
107 |
196 |
339 |
874 |
6486 |
4577 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14450 |
6754 |
631 |
375 |
165 |
64 |
23 |
0 |
| OW |
0 |
97 |
82 |
61 |
52 |
28 |
8 |
0 |
| VODI |
0 |
87 |
111 |
68 |
106 |
65 |
30 |
0 |
| ODI |
0 |
48 |
69 |
83 |
92 |
90 |
80 |
12 |
| CDI |
0 |
47 |
64 |
94 |
150 |
231 |
198 |
130 |
| VCDI |
0 |
14 |
128 |
222 |
369 |
931 |
6548 |
4562 |
|
Date: 2013-12-23:
| 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 |
15056 |
6507 |
363 |
153 |
22 |
18 |
8 |
0 |
| OW |
0 |
357 |
149 |
163 |
36 |
27 |
13 |
0 |
| VODI |
0 |
249 |
179 |
254 |
129 |
85 |
31 |
0 |
| ODI |
0 |
34 |
60 |
166 |
153 |
233 |
145 |
0 |
| CDI |
0 |
23 |
58 |
122 |
147 |
306 |
314 |
24 |
| VCDI |
0 |
0 |
8 |
124 |
222 |
735 |
6777 |
3969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15056 |
6597 |
352 |
222 |
36 |
32 |
12 |
0 |
| OW |
0 |
143 |
87 |
73 |
16 |
13 |
2 |
0 |
| VODI |
0 |
124 |
100 |
121 |
63 |
39 |
35 |
0 |
| ODI |
0 |
65 |
48 |
111 |
78 |
127 |
90 |
1 |
| CDI |
0 |
71 |
45 |
93 |
93 |
174 |
206 |
38 |
| VCDI |
0 |
170 |
185 |
362 |
423 |
1019 |
6943 |
3954 |
|
Date: 2013-12-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2013-12-27:
| 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 |
14951 |
5713 |
524 |
179 |
21 |
2 |
0 |
0 |
| OW |
7 |
370 |
232 |
119 |
54 |
20 |
8 |
0 |
| VODI |
3 |
223 |
247 |
134 |
95 |
52 |
19 |
0 |
| ODI |
1 |
56 |
135 |
100 |
106 |
77 |
57 |
0 |
| CDI |
0 |
33 |
83 |
124 |
139 |
201 |
346 |
15 |
| VCDI |
0 |
8 |
28 |
189 |
254 |
1205 |
7271 |
4018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14960 |
6061 |
575 |
199 |
32 |
13 |
7 |
0 |
| OW |
1 |
109 |
107 |
52 |
22 |
7 |
2 |
0 |
| VODI |
1 |
121 |
158 |
72 |
47 |
35 |
3 |
0 |
| ODI |
0 |
52 |
123 |
70 |
38 |
38 |
44 |
0 |
| CDI |
0 |
35 |
114 |
101 |
74 |
99 |
256 |
22 |
| VCDI |
0 |
25 |
172 |
351 |
456 |
1365 |
7389 |
4011 |
|
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