Validation of sea ice concentration
Bulletin date: 2013-01-17
Model vs. observations, sea ice class contingency tables
Date: 2013-01-11:
| 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 |
14175 |
6715 |
1032 |
541 |
155 |
9 |
0 |
0 |
| OW |
0 |
104 |
198 |
325 |
205 |
23 |
2 |
0 |
| VODI |
0 |
18 |
220 |
423 |
423 |
107 |
7 |
0 |
| ODI |
0 |
3 |
65 |
194 |
366 |
337 |
43 |
0 |
| CDI |
0 |
0 |
12 |
103 |
379 |
750 |
489 |
37 |
| VCDI |
0 |
0 |
5 |
37 |
353 |
1566 |
4920 |
3078 |
|
...date precedes bulletin
|
Date: 2013-01-15:
| 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 |
14711 |
6849 |
520 |
340 |
239 |
51 |
3 |
0 |
| OW |
0 |
175 |
152 |
201 |
214 |
81 |
9 |
0 |
| VODI |
0 |
84 |
102 |
223 |
292 |
131 |
15 |
0 |
| ODI |
0 |
22 |
53 |
207 |
205 |
197 |
86 |
0 |
| CDI |
0 |
5 |
31 |
116 |
352 |
462 |
401 |
14 |
| VCDI |
0 |
0 |
1 |
26 |
183 |
1346 |
6850 |
2470 |
|
...date precedes bulletin
|
Date: 2013-01-17:
| 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 |
14403 |
6763 |
456 |
349 |
208 |
24 |
0 |
0 |
| OW |
0 |
85 |
128 |
190 |
238 |
122 |
0 |
0 |
| VODI |
0 |
27 |
92 |
145 |
276 |
293 |
3 |
0 |
| ODI |
0 |
2 |
47 |
85 |
212 |
318 |
34 |
0 |
| CDI |
0 |
0 |
11 |
103 |
261 |
413 |
188 |
24 |
| VCDI |
0 |
0 |
2 |
73 |
370 |
1403 |
6851 |
3220 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14403 |
6822 |
553 |
504 |
482 |
235 |
4 |
0 |
| OW |
0 |
31 |
63 |
82 |
101 |
92 |
8 |
0 |
| VODI |
0 |
22 |
65 |
104 |
185 |
159 |
13 |
0 |
| ODI |
0 |
2 |
38 |
75 |
174 |
198 |
19 |
0 |
| CDI |
0 |
0 |
15 |
94 |
216 |
346 |
163 |
27 |
| VCDI |
0 |
0 |
2 |
86 |
407 |
1543 |
6869 |
3217 |
|
Date: 2013-01-21:
| 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 |
14661 |
6359 |
587 |
170 |
30 |
16 |
0 |
0 |
| OW |
0 |
244 |
187 |
159 |
104 |
32 |
2 |
0 |
| VODI |
0 |
214 |
135 |
205 |
188 |
136 |
5 |
0 |
| ODI |
0 |
47 |
64 |
174 |
270 |
260 |
76 |
0 |
| CDI |
0 |
10 |
10 |
111 |
246 |
547 |
343 |
0 |
| VCDI |
0 |
1 |
4 |
28 |
108 |
1790 |
7161 |
2735 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14661 |
6467 |
647 |
309 |
201 |
139 |
8 |
0 |
| OW |
0 |
153 |
60 |
59 |
61 |
50 |
7 |
0 |
| VODI |
0 |
152 |
105 |
84 |
88 |
62 |
9 |
0 |
| ODI |
0 |
54 |
61 |
111 |
92 |
106 |
23 |
0 |
| CDI |
0 |
33 |
73 |
147 |
206 |
284 |
230 |
0 |
| VCDI |
0 |
16 |
41 |
137 |
298 |
2140 |
7310 |
2735 |
|
Date: 2013-01-23:
| 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 |
14229 |
6353 |
603 |
256 |
42 |
8 |
0 |
0 |
| OW |
0 |
220 |
178 |
194 |
95 |
30 |
0 |
0 |
| VODI |
0 |
81 |
226 |
205 |
214 |
106 |
1 |
0 |
| ODI |
0 |
27 |
61 |
122 |
265 |
211 |
28 |
0 |
| CDI |
0 |
27 |
32 |
85 |
301 |
407 |
254 |
5 |
| VCDI |
0 |
20 |
26 |
90 |
338 |
1880 |
6890 |
3309 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14229 |
6505 |
729 |
436 |
201 |
95 |
3 |
0 |
| OW |
0 |
64 |
95 |
79 |
90 |
42 |
5 |
0 |
| VODI |
0 |
51 |
117 |
101 |
119 |
69 |
9 |
0 |
| ODI |
0 |
37 |
60 |
79 |
131 |
126 |
38 |
0 |
| CDI |
0 |
28 |
28 |
87 |
191 |
282 |
270 |
6 |
| VCDI |
0 |
43 |
97 |
170 |
523 |
2028 |
6848 |
3308 |
|
Date: 2013-01-25:
| 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 |
13726 |
6532 |
387 |
243 |
40 |
20 |
0 |
0 |
| OW |
0 |
291 |
187 |
188 |
80 |
28 |
0 |
0 |
| VODI |
0 |
115 |
165 |
216 |
199 |
97 |
1 |
0 |
| ODI |
0 |
31 |
65 |
156 |
221 |
228 |
17 |
0 |
| CDI |
0 |
29 |
49 |
77 |
221 |
459 |
129 |
5 |
| VCDI |
0 |
29 |
33 |
148 |
345 |
2336 |
6354 |
3972 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13726 |
6810 |
579 |
461 |
237 |
133 |
9 |
0 |
| OW |
0 |
54 |
62 |
68 |
51 |
55 |
12 |
0 |
| VODI |
0 |
53 |
85 |
119 |
114 |
89 |
15 |
0 |
| ODI |
0 |
35 |
31 |
76 |
114 |
153 |
65 |
0 |
| CDI |
0 |
30 |
21 |
97 |
137 |
306 |
187 |
1 |
| VCDI |
0 |
45 |
108 |
207 |
453 |
2432 |
6213 |
3976 |
|
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