Validation of sea ice concentration
Bulletin date: 2014-10-23
Model vs. observations, sea ice class contingency tables
Date: 2014-10-17:
| 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 |
18669 |
5268 |
940 |
221 |
191 |
76 |
16 |
0 |
| OW |
0 |
90 |
557 |
248 |
255 |
53 |
51 |
0 |
| VODI |
0 |
5 |
146 |
163 |
322 |
64 |
47 |
0 |
| ODI |
0 |
1 |
32 |
59 |
143 |
107 |
61 |
0 |
| CDI |
0 |
0 |
15 |
16 |
70 |
179 |
204 |
4 |
| VCDI |
0 |
0 |
8 |
20 |
48 |
229 |
4015 |
4474 |
|
...date precedes bulletin
|
Date: 2014-10-21:
| 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 |
17052 |
6262 |
976 |
259 |
70 |
36 |
21 |
0 |
| OW |
0 |
131 |
244 |
137 |
45 |
30 |
25 |
0 |
| VODI |
0 |
59 |
124 |
217 |
160 |
82 |
49 |
0 |
| ODI |
0 |
9 |
27 |
323 |
268 |
170 |
88 |
0 |
| CDI |
0 |
6 |
13 |
142 |
276 |
342 |
461 |
0 |
| VCDI |
0 |
6 |
11 |
19 |
116 |
348 |
4886 |
3577 |
|
...date precedes bulletin
|
Date: 2014-10-23:
| 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 |
17156 |
6077 |
965 |
202 |
73 |
35 |
23 |
0 |
| OW |
0 |
210 |
239 |
87 |
78 |
25 |
24 |
0 |
| VODI |
0 |
80 |
229 |
175 |
144 |
104 |
48 |
0 |
| ODI |
0 |
11 |
57 |
99 |
129 |
252 |
127 |
0 |
| CDI |
0 |
8 |
45 |
88 |
304 |
398 |
653 |
0 |
| VCDI |
0 |
4 |
24 |
33 |
134 |
406 |
4549 |
3772 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17156 |
6050 |
957 |
218 |
84 |
34 |
22 |
0 |
| OW |
0 |
229 |
254 |
90 |
83 |
32 |
25 |
0 |
| VODI |
0 |
89 |
230 |
153 |
133 |
110 |
53 |
0 |
| ODI |
0 |
10 |
53 |
111 |
146 |
277 |
175 |
0 |
| CDI |
0 |
7 |
39 |
79 |
287 |
373 |
613 |
0 |
| VCDI |
0 |
5 |
26 |
33 |
129 |
394 |
4536 |
3772 |
|
Date: 2014-10-27:
| 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 |
17875 |
6151 |
740 |
172 |
59 |
20 |
34 |
0 |
| OW |
0 |
106 |
344 |
102 |
76 |
34 |
29 |
0 |
| VODI |
0 |
28 |
189 |
239 |
172 |
112 |
43 |
0 |
| ODI |
0 |
14 |
51 |
117 |
203 |
229 |
92 |
0 |
| CDI |
0 |
5 |
43 |
73 |
207 |
532 |
421 |
0 |
| VCDI |
0 |
0 |
8 |
36 |
172 |
534 |
4067 |
3738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17875 |
5659 |
538 |
147 |
74 |
41 |
43 |
0 |
| OW |
0 |
368 |
173 |
40 |
55 |
52 |
17 |
0 |
| VODI |
0 |
162 |
426 |
206 |
119 |
108 |
43 |
0 |
| ODI |
0 |
55 |
84 |
165 |
178 |
177 |
101 |
0 |
| CDI |
0 |
34 |
66 |
75 |
159 |
362 |
338 |
0 |
| VCDI |
0 |
26 |
88 |
106 |
304 |
721 |
4144 |
3738 |
|
Date: 2014-10-29:
| 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 |
17219 |
6388 |
584 |
218 |
76 |
25 |
29 |
0 |
| OW |
0 |
250 |
178 |
80 |
47 |
22 |
22 |
0 |
| VODI |
0 |
118 |
183 |
306 |
156 |
36 |
30 |
0 |
| ODI |
0 |
19 |
59 |
179 |
251 |
117 |
68 |
0 |
| CDI |
0 |
19 |
63 |
121 |
251 |
332 |
251 |
0 |
| VCDI |
0 |
3 |
49 |
113 |
292 |
736 |
4655 |
3522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17219 |
6090 |
465 |
208 |
71 |
36 |
43 |
0 |
| OW |
0 |
316 |
75 |
52 |
36 |
18 |
45 |
0 |
| VODI |
0 |
246 |
197 |
185 |
107 |
48 |
46 |
0 |
| ODI |
0 |
79 |
137 |
238 |
270 |
96 |
92 |
0 |
| CDI |
0 |
37 |
82 |
109 |
210 |
250 |
228 |
0 |
| VCDI |
0 |
29 |
160 |
225 |
379 |
820 |
4601 |
3522 |
|
Date: 2014-10-31:
| 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 |
17245 |
5856 |
601 |
215 |
127 |
45 |
23 |
0 |
| OW |
0 |
170 |
143 |
86 |
59 |
44 |
40 |
0 |
| VODI |
0 |
86 |
187 |
138 |
153 |
111 |
49 |
0 |
| ODI |
0 |
25 |
97 |
142 |
216 |
239 |
61 |
0 |
| CDI |
0 |
8 |
59 |
93 |
181 |
307 |
353 |
0 |
| VCDI |
0 |
1 |
19 |
96 |
309 |
657 |
5076 |
3750 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17245 |
5705 |
512 |
191 |
112 |
44 |
37 |
0 |
| OW |
0 |
164 |
109 |
71 |
43 |
18 |
42 |
0 |
| VODI |
0 |
152 |
141 |
90 |
105 |
97 |
76 |
0 |
| ODI |
0 |
84 |
131 |
142 |
193 |
188 |
79 |
0 |
| CDI |
0 |
31 |
118 |
115 |
236 |
308 |
270 |
0 |
| VCDI |
0 |
10 |
95 |
161 |
356 |
748 |
5098 |
3750 |
|
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