Validation of sea ice concentration
Bulletin date: 2012-09-20
Model vs. observations, sea ice class contingency tables
Date: 2012-09-14:
| 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 |
26040 |
4635 |
124 |
296 |
224 |
20 |
0 |
0 |
| OW |
0 |
133 |
54 |
146 |
95 |
25 |
0 |
0 |
| VODI |
0 |
26 |
33 |
125 |
220 |
97 |
2 |
0 |
| ODI |
0 |
0 |
3 |
35 |
136 |
207 |
24 |
6 |
| CDI |
0 |
0 |
0 |
16 |
161 |
329 |
359 |
54 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
43 |
1488 |
2261 |
|
...date precedes bulletin
|
Date: 2012-09-18:
| 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 |
25066 |
5877 |
416 |
354 |
41 |
10 |
0 |
0 |
| OW |
0 |
63 |
145 |
127 |
84 |
35 |
0 |
0 |
| VODI |
0 |
11 |
23 |
159 |
255 |
104 |
5 |
0 |
| ODI |
0 |
0 |
0 |
48 |
131 |
208 |
39 |
0 |
| CDI |
0 |
0 |
0 |
21 |
66 |
283 |
244 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
33 |
1414 |
2155 |
|
...date precedes bulletin
|
Date: 2012-09-20:
| 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 |
25610 |
5284 |
318 |
389 |
55 |
6 |
0 |
0 |
| OW |
0 |
75 |
140 |
159 |
149 |
24 |
0 |
0 |
| VODI |
0 |
3 |
59 |
138 |
249 |
84 |
8 |
0 |
| ODI |
0 |
0 |
2 |
31 |
148 |
193 |
35 |
0 |
| CDI |
0 |
0 |
0 |
31 |
58 |
331 |
276 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
18 |
1912 |
1633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25610 |
5358 |
460 |
615 |
321 |
55 |
0 |
0 |
| OW |
0 |
4 |
33 |
26 |
53 |
27 |
0 |
0 |
| VODI |
0 |
0 |
16 |
59 |
128 |
63 |
5 |
0 |
| ODI |
0 |
0 |
10 |
45 |
106 |
246 |
31 |
0 |
| CDI |
0 |
0 |
0 |
3 |
47 |
242 |
329 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
23 |
1866 |
1617 |
|
Date: 2012-09-24:
| 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 |
25314 |
5126 |
402 |
307 |
174 |
3 |
0 |
0 |
| OW |
0 |
6 |
65 |
99 |
94 |
20 |
0 |
0 |
| VODI |
0 |
0 |
21 |
126 |
167 |
100 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
168 |
274 |
6 |
0 |
| CDI |
0 |
0 |
0 |
2 |
116 |
354 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
38 |
232 |
2433 |
1655 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25314 |
5132 |
478 |
507 |
501 |
185 |
0 |
0 |
| OW |
0 |
0 |
9 |
38 |
47 |
41 |
1 |
0 |
| VODI |
0 |
0 |
1 |
31 |
69 |
119 |
5 |
0 |
| ODI |
0 |
0 |
0 |
9 |
83 |
255 |
58 |
0 |
| CDI |
0 |
0 |
0 |
5 |
55 |
307 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
76 |
2153 |
1655 |
|
Date: 2012-09-26:
| 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 |
24948 |
5422 |
333 |
267 |
200 |
17 |
0 |
0 |
| OW |
0 |
16 |
47 |
68 |
89 |
52 |
0 |
0 |
| VODI |
0 |
0 |
24 |
100 |
145 |
122 |
0 |
0 |
| ODI |
0 |
0 |
2 |
36 |
163 |
182 |
8 |
0 |
| CDI |
0 |
0 |
0 |
8 |
171 |
356 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
49 |
328 |
2461 |
1674 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24948 |
5431 |
379 |
421 |
474 |
243 |
0 |
0 |
| OW |
0 |
6 |
15 |
17 |
34 |
45 |
0 |
0 |
| VODI |
0 |
1 |
12 |
22 |
66 |
109 |
1 |
0 |
| ODI |
0 |
0 |
0 |
18 |
78 |
209 |
34 |
0 |
| CDI |
0 |
0 |
0 |
8 |
139 |
310 |
322 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
141 |
2236 |
1674 |
|
Date: 2012-09-28:
| 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 |
24383 |
5705 |
375 |
242 |
248 |
18 |
0 |
0 |
| OW |
0 |
9 |
37 |
83 |
148 |
48 |
0 |
0 |
| VODI |
0 |
5 |
23 |
56 |
110 |
200 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
117 |
241 |
3 |
0 |
| CDI |
0 |
0 |
0 |
9 |
98 |
350 |
113 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
84 |
516 |
2359 |
1787 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24383 |
5713 |
419 |
398 |
527 |
306 |
2 |
0 |
| OW |
0 |
4 |
5 |
11 |
28 |
84 |
3 |
0 |
| VODI |
0 |
2 |
10 |
12 |
35 |
126 |
2 |
0 |
| ODI |
0 |
0 |
1 |
13 |
52 |
206 |
18 |
0 |
| CDI |
0 |
0 |
0 |
8 |
128 |
396 |
288 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
255 |
2162 |
1787 |
|
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