Validation of sea ice concentration
Bulletin date: 2012-08-30
Model vs. observations, sea ice class contingency tables
Date: 2012-08-24:
| 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 |
25020 |
3886 |
412 |
687 |
183 |
25 |
14 |
0 |
| OW |
0 |
153 |
64 |
154 |
127 |
28 |
15 |
0 |
| VODI |
0 |
9 |
41 |
180 |
469 |
124 |
29 |
0 |
| ODI |
0 |
0 |
1 |
68 |
277 |
196 |
117 |
0 |
| CDI |
0 |
0 |
0 |
17 |
149 |
499 |
555 |
156 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
64 |
1440 |
2250 |
|
...date precedes bulletin
|
Date: 2012-08-28:
| 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 |
25348 |
4326 |
430 |
533 |
153 |
8 |
19 |
0 |
| OW |
0 |
11 |
36 |
154 |
220 |
62 |
4 |
0 |
| VODI |
0 |
0 |
15 |
77 |
324 |
219 |
18 |
3 |
| ODI |
0 |
0 |
0 |
40 |
161 |
348 |
95 |
46 |
| CDI |
0 |
0 |
0 |
11 |
43 |
341 |
853 |
228 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
0 |
988 |
2304 |
|
...date precedes bulletin
|
Date: 2012-08-30:
| 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 |
25560 |
4259 |
517 |
424 |
110 |
22 |
20 |
0 |
| OW |
0 |
53 |
43 |
186 |
204 |
37 |
4 |
0 |
| VODI |
0 |
1 |
21 |
137 |
322 |
107 |
33 |
0 |
| ODI |
0 |
0 |
1 |
67 |
136 |
249 |
110 |
21 |
| CDI |
0 |
0 |
0 |
18 |
84 |
266 |
1133 |
274 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
776 |
2223 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25560 |
4286 |
544 |
595 |
389 |
75 |
47 |
0 |
| OW |
0 |
19 |
19 |
73 |
91 |
22 |
6 |
0 |
| VODI |
0 |
8 |
18 |
88 |
181 |
109 |
41 |
1 |
| ODI |
0 |
0 |
1 |
58 |
109 |
164 |
113 |
17 |
| CDI |
0 |
0 |
0 |
18 |
83 |
312 |
1319 |
701 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
0 |
550 |
1799 |
|
Date: 2012-09-03:
| 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 |
25317 |
4821 |
477 |
285 |
210 |
78 |
18 |
0 |
| OW |
0 |
14 |
77 |
105 |
173 |
65 |
3 |
0 |
| VODI |
0 |
0 |
25 |
51 |
202 |
141 |
5 |
0 |
| ODI |
0 |
0 |
0 |
24 |
127 |
230 |
33 |
0 |
| CDI |
0 |
0 |
0 |
18 |
114 |
383 |
294 |
188 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
88 |
1462 |
2387 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25317 |
4822 |
502 |
359 |
446 |
232 |
48 |
0 |
| OW |
0 |
13 |
37 |
43 |
84 |
56 |
9 |
0 |
| VODI |
0 |
0 |
30 |
48 |
128 |
158 |
31 |
0 |
| ODI |
0 |
0 |
8 |
19 |
71 |
165 |
71 |
2 |
| CDI |
0 |
0 |
2 |
14 |
101 |
374 |
1335 |
968 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
321 |
1605 |
|
Date: 2012-09-05:
| 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 |
25430 |
4813 |
341 |
385 |
216 |
34 |
0 |
0 |
| OW |
0 |
69 |
35 |
84 |
173 |
21 |
0 |
0 |
| VODI |
0 |
24 |
22 |
53 |
187 |
119 |
2 |
0 |
| ODI |
0 |
1 |
7 |
19 |
122 |
180 |
36 |
0 |
| CDI |
0 |
0 |
0 |
24 |
168 |
394 |
616 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
5 |
1193 |
2639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25430 |
4810 |
348 |
438 |
446 |
162 |
21 |
0 |
| OW |
0 |
48 |
18 |
34 |
64 |
45 |
6 |
0 |
| VODI |
0 |
37 |
18 |
43 |
147 |
110 |
31 |
0 |
| ODI |
0 |
9 |
17 |
26 |
54 |
133 |
58 |
0 |
| CDI |
0 |
3 |
4 |
24 |
155 |
302 |
1363 |
849 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
368 |
1797 |
|
Date: 2012-09-07:
| 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 |
25277 |
4847 |
432 |
333 |
204 |
34 |
0 |
0 |
| OW |
0 |
48 |
55 |
94 |
141 |
53 |
0 |
0 |
| VODI |
0 |
4 |
49 |
82 |
144 |
121 |
1 |
0 |
| ODI |
0 |
0 |
7 |
50 |
152 |
182 |
28 |
0 |
| CDI |
0 |
0 |
0 |
46 |
179 |
505 |
833 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
1121 |
2390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25277 |
4802 |
436 |
419 |
460 |
123 |
9 |
0 |
| OW |
0 |
47 |
30 |
29 |
44 |
61 |
3 |
0 |
| VODI |
0 |
42 |
36 |
56 |
108 |
129 |
21 |
0 |
| ODI |
0 |
8 |
22 |
50 |
50 |
143 |
23 |
0 |
| CDI |
0 |
0 |
19 |
51 |
158 |
439 |
1393 |
403 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
534 |
1994 |
|
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