Validation of sea ice concentration
Bulletin date: 2015-02-19
Model vs. observations, sea ice class contingency tables
Date: 2015-02-13:
| 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 |
12563 |
5456 |
569 |
274 |
80 |
9 |
0 |
0 |
| OW |
0 |
127 |
164 |
107 |
62 |
23 |
2 |
0 |
| VODI |
0 |
48 |
118 |
161 |
117 |
69 |
20 |
0 |
| ODI |
0 |
12 |
65 |
116 |
115 |
115 |
61 |
6 |
| CDI |
0 |
1 |
39 |
104 |
169 |
192 |
202 |
41 |
| VCDI |
0 |
0 |
81 |
190 |
375 |
874 |
8337 |
6003 |
|
...date precedes bulletin
|
Date: 2015-02-17:
| 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 |
13350 |
5523 |
632 |
131 |
55 |
16 |
3 |
0 |
| OW |
0 |
87 |
142 |
102 |
60 |
29 |
10 |
0 |
| VODI |
0 |
63 |
93 |
105 |
84 |
72 |
45 |
0 |
| ODI |
0 |
30 |
51 |
85 |
71 |
104 |
131 |
6 |
| CDI |
0 |
45 |
34 |
77 |
115 |
177 |
395 |
100 |
| VCDI |
0 |
39 |
87 |
137 |
239 |
349 |
6638 |
7555 |
|
...date precedes bulletin
|
Date: 2015-02-19:
| 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 |
13574 |
5367 |
436 |
83 |
10 |
0 |
0 |
0 |
| OW |
0 |
171 |
127 |
95 |
31 |
9 |
0 |
0 |
| VODI |
0 |
113 |
119 |
159 |
55 |
42 |
19 |
13 |
| ODI |
0 |
57 |
56 |
137 |
79 |
87 |
90 |
65 |
| CDI |
0 |
44 |
26 |
102 |
128 |
152 |
267 |
153 |
| VCDI |
0 |
75 |
97 |
281 |
393 |
740 |
6737 |
6878 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13574 |
5401 |
444 |
77 |
12 |
0 |
0 |
0 |
| OW |
0 |
144 |
125 |
112 |
24 |
7 |
0 |
0 |
| VODI |
0 |
111 |
121 |
149 |
64 |
48 |
24 |
11 |
| ODI |
0 |
52 |
51 |
139 |
84 |
90 |
92 |
63 |
| CDI |
0 |
46 |
25 |
99 |
125 |
149 |
253 |
156 |
| VCDI |
0 |
73 |
95 |
281 |
387 |
736 |
6744 |
6879 |
|
Date: 2015-02-23:
| 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 |
11987 |
5260 |
1765 |
369 |
57 |
20 |
2 |
0 |
| OW |
0 |
22 |
167 |
162 |
98 |
31 |
6 |
0 |
| VODI |
0 |
6 |
117 |
144 |
128 |
100 |
48 |
0 |
| ODI |
0 |
0 |
85 |
106 |
123 |
146 |
162 |
0 |
| CDI |
0 |
0 |
35 |
201 |
220 |
175 |
442 |
37 |
| VCDI |
0 |
0 |
24 |
81 |
313 |
846 |
8539 |
5043 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11987 |
5180 |
1527 |
295 |
68 |
25 |
2 |
0 |
| OW |
0 |
46 |
172 |
140 |
60 |
33 |
9 |
0 |
| VODI |
0 |
47 |
143 |
127 |
116 |
87 |
46 |
0 |
| ODI |
0 |
10 |
96 |
75 |
99 |
110 |
183 |
0 |
| CDI |
0 |
5 |
100 |
101 |
113 |
150 |
364 |
20 |
| VCDI |
0 |
0 |
155 |
325 |
483 |
913 |
8595 |
5060 |
|
Date: 2015-02-25:
| 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 |
12532 |
5594 |
912 |
238 |
79 |
23 |
18 |
0 |
| OW |
0 |
29 |
187 |
171 |
62 |
18 |
20 |
0 |
| VODI |
0 |
12 |
129 |
150 |
143 |
54 |
48 |
0 |
| ODI |
0 |
1 |
45 |
134 |
139 |
114 |
119 |
0 |
| CDI |
0 |
1 |
57 |
149 |
183 |
149 |
353 |
6 |
| VCDI |
0 |
0 |
46 |
173 |
328 |
580 |
9817 |
4254 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12532 |
5482 |
775 |
221 |
68 |
25 |
40 |
0 |
| OW |
0 |
81 |
151 |
147 |
68 |
21 |
41 |
0 |
| VODI |
0 |
39 |
157 |
136 |
116 |
75 |
82 |
0 |
| ODI |
0 |
16 |
96 |
100 |
111 |
109 |
155 |
0 |
| CDI |
0 |
9 |
67 |
105 |
143 |
116 |
354 |
3 |
| VCDI |
0 |
10 |
130 |
306 |
428 |
592 |
9703 |
4257 |
|
Date: 2015-02-27:
| 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 |
13128 |
5424 |
528 |
236 |
68 |
18 |
15 |
0 |
| OW |
0 |
144 |
130 |
146 |
89 |
46 |
19 |
0 |
| VODI |
0 |
90 |
135 |
97 |
103 |
87 |
70 |
0 |
| ODI |
0 |
36 |
75 |
101 |
85 |
94 |
184 |
0 |
| CDI |
0 |
35 |
69 |
106 |
129 |
163 |
453 |
1 |
| VCDI |
0 |
33 |
126 |
272 |
283 |
1190 |
10994 |
2065 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13128 |
5183 |
555 |
245 |
78 |
35 |
78 |
0 |
| OW |
0 |
143 |
88 |
121 |
74 |
30 |
59 |
0 |
| VODI |
0 |
124 |
61 |
121 |
124 |
90 |
108 |
0 |
| ODI |
0 |
76 |
65 |
68 |
86 |
125 |
177 |
0 |
| CDI |
0 |
52 |
71 |
82 |
112 |
133 |
379 |
0 |
| VCDI |
0 |
184 |
223 |
321 |
283 |
1185 |
10934 |
2066 |
|
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