Validation of sea ice concentration
Bulletin date: 2015-10-08
Model vs. observations, sea ice class contingency tables
Date: 2015-10-02:
| 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 |
23281 |
4827 |
961 |
352 |
242 |
80 |
0 |
0 |
| OW |
0 |
63 |
83 |
47 |
69 |
67 |
4 |
0 |
| VODI |
0 |
7 |
107 |
78 |
41 |
88 |
9 |
0 |
| ODI |
0 |
0 |
9 |
83 |
55 |
95 |
18 |
0 |
| CDI |
0 |
0 |
0 |
46 |
111 |
215 |
138 |
10 |
| VCDI |
0 |
0 |
0 |
3 |
115 |
498 |
2971 |
2294 |
|
...date precedes bulletin
|
Date: 2015-10-06:
| 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 |
23895 |
4741 |
528 |
243 |
142 |
58 |
13 |
0 |
| OW |
0 |
21 |
72 |
46 |
40 |
47 |
11 |
0 |
| VODI |
0 |
3 |
56 |
54 |
87 |
71 |
24 |
0 |
| ODI |
0 |
0 |
9 |
18 |
78 |
112 |
56 |
1 |
| CDI |
0 |
0 |
0 |
19 |
23 |
140 |
250 |
5 |
| VCDI |
0 |
0 |
0 |
5 |
19 |
124 |
3036 |
3020 |
|
...date precedes bulletin
|
Date: 2015-10-08:
| 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 |
23866 |
4835 |
515 |
248 |
118 |
78 |
14 |
0 |
| OW |
1 |
79 |
66 |
46 |
27 |
32 |
29 |
0 |
| VODI |
0 |
12 |
79 |
63 |
42 |
51 |
46 |
0 |
| ODI |
0 |
3 |
19 |
25 |
102 |
59 |
81 |
1 |
| CDI |
0 |
0 |
7 |
27 |
30 |
153 |
253 |
2 |
| VCDI |
0 |
0 |
0 |
5 |
25 |
221 |
3040 |
2767 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23867 |
4836 |
513 |
256 |
130 |
92 |
22 |
0 |
| OW |
0 |
79 |
79 |
36 |
21 |
33 |
30 |
0 |
| VODI |
0 |
11 |
69 |
59 |
41 |
39 |
60 |
0 |
| ODI |
0 |
3 |
19 |
37 |
98 |
68 |
84 |
1 |
| CDI |
0 |
0 |
6 |
23 |
31 |
150 |
270 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
23 |
212 |
2997 |
2767 |
|
Date: 2015-10-12:
| 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 |
24161 |
4221 |
608 |
211 |
120 |
14 |
16 |
0 |
| OW |
109 |
72 |
187 |
66 |
86 |
31 |
13 |
0 |
| VODI |
0 |
2 |
85 |
80 |
106 |
67 |
33 |
0 |
| ODI |
0 |
0 |
7 |
43 |
81 |
131 |
120 |
0 |
| CDI |
0 |
0 |
0 |
10 |
37 |
134 |
429 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
109 |
2903 |
2755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24254 |
4235 |
598 |
218 |
165 |
19 |
17 |
0 |
| OW |
16 |
47 |
132 |
40 |
72 |
45 |
19 |
0 |
| VODI |
0 |
12 |
108 |
63 |
58 |
64 |
43 |
0 |
| ODI |
0 |
1 |
39 |
60 |
70 |
72 |
69 |
0 |
| CDI |
0 |
0 |
10 |
25 |
50 |
107 |
226 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
35 |
179 |
3140 |
2755 |
|
Date: 2015-10-14:
| 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 |
22015 |
6142 |
612 |
217 |
215 |
94 |
1 |
0 |
| OW |
0 |
263 |
153 |
69 |
76 |
53 |
20 |
0 |
| VODI |
0 |
17 |
82 |
122 |
78 |
104 |
19 |
0 |
| ODI |
0 |
0 |
21 |
34 |
75 |
114 |
51 |
0 |
| CDI |
0 |
0 |
4 |
6 |
33 |
135 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
89 |
3252 |
2615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22015 |
6283 |
592 |
212 |
191 |
93 |
1 |
0 |
| OW |
0 |
95 |
109 |
56 |
56 |
45 |
23 |
0 |
| VODI |
0 |
32 |
101 |
84 |
69 |
73 |
21 |
0 |
| ODI |
0 |
9 |
47 |
68 |
76 |
88 |
38 |
0 |
| CDI |
0 |
3 |
20 |
27 |
72 |
148 |
216 |
0 |
| VCDI |
0 |
0 |
3 |
1 |
37 |
142 |
3306 |
2615 |
|
Date: 2015-10-16:
| 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 |
20925 |
6985 |
586 |
273 |
214 |
125 |
1 |
0 |
| OW |
0 |
298 |
232 |
78 |
85 |
62 |
10 |
0 |
| VODI |
0 |
91 |
145 |
104 |
57 |
119 |
34 |
0 |
| ODI |
0 |
2 |
70 |
67 |
57 |
108 |
36 |
0 |
| CDI |
0 |
0 |
26 |
73 |
55 |
173 |
138 |
0 |
| VCDI |
0 |
0 |
1 |
2 |
54 |
228 |
3249 |
2304 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20925 |
6996 |
632 |
254 |
199 |
129 |
3 |
0 |
| OW |
0 |
198 |
130 |
79 |
67 |
34 |
20 |
0 |
| VODI |
0 |
108 |
86 |
47 |
66 |
73 |
26 |
0 |
| ODI |
0 |
47 |
86 |
56 |
33 |
71 |
29 |
0 |
| CDI |
0 |
24 |
63 |
71 |
44 |
154 |
124 |
1 |
| VCDI |
0 |
3 |
63 |
90 |
113 |
354 |
3266 |
2303 |
|
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