Validation of sea ice concentration
Bulletin date: 2013-08-22
Model vs. observations, sea ice class contingency tables
Date: 2013-08-16:
| 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 |
24940 |
5277 |
719 |
346 |
45 |
9 |
1 |
0 |
| OW |
0 |
37 |
49 |
100 |
94 |
12 |
3 |
0 |
| VODI |
0 |
17 |
24 |
127 |
143 |
117 |
23 |
0 |
| ODI |
0 |
1 |
18 |
49 |
168 |
349 |
88 |
0 |
| CDI |
0 |
0 |
1 |
20 |
118 |
414 |
533 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
15 |
1641 |
1919 |
|
...date precedes bulletin
|
Date: 2013-08-20:
| 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 |
26104 |
4810 |
502 |
228 |
34 |
0 |
0 |
0 |
| OW |
0 |
34 |
72 |
126 |
50 |
11 |
5 |
0 |
| VODI |
0 |
7 |
46 |
141 |
215 |
100 |
23 |
0 |
| ODI |
0 |
0 |
10 |
49 |
189 |
318 |
117 |
0 |
| CDI |
0 |
0 |
0 |
21 |
112 |
243 |
1002 |
29 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
94 |
1331 |
1394 |
|
...date precedes bulletin
|
Date: 2013-08-22:
| 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 |
25716 |
5446 |
407 |
168 |
45 |
1 |
0 |
0 |
| OW |
0 |
33 |
87 |
126 |
43 |
11 |
3 |
0 |
| VODI |
0 |
5 |
43 |
186 |
211 |
54 |
34 |
0 |
| ODI |
0 |
0 |
2 |
73 |
226 |
271 |
83 |
0 |
| CDI |
0 |
0 |
1 |
16 |
66 |
416 |
1019 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
46 |
1655 |
918 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25716 |
5471 |
480 |
275 |
102 |
21 |
22 |
0 |
| OW |
0 |
3 |
36 |
55 |
34 |
22 |
14 |
0 |
| VODI |
0 |
5 |
17 |
106 |
127 |
44 |
47 |
0 |
| ODI |
0 |
3 |
5 |
112 |
225 |
221 |
53 |
0 |
| CDI |
0 |
2 |
2 |
20 |
102 |
474 |
1161 |
31 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
17 |
1497 |
895 |
|
Date: 2013-08-26:
| 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 |
25220 |
5960 |
461 |
154 |
21 |
4 |
0 |
0 |
| OW |
0 |
25 |
88 |
159 |
44 |
20 |
1 |
0 |
| VODI |
0 |
6 |
27 |
221 |
222 |
81 |
56 |
0 |
| ODI |
0 |
0 |
0 |
36 |
214 |
222 |
283 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
477 |
829 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
110 |
1904 |
554 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25220 |
5984 |
539 |
295 |
95 |
53 |
43 |
0 |
| OW |
0 |
1 |
28 |
73 |
41 |
25 |
16 |
0 |
| VODI |
0 |
2 |
3 |
101 |
112 |
64 |
43 |
0 |
| ODI |
0 |
4 |
3 |
68 |
161 |
209 |
104 |
0 |
| CDI |
0 |
0 |
3 |
32 |
110 |
534 |
1420 |
8 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
29 |
1447 |
546 |
|
Date: 2013-08-28:
| 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 |
25844 |
5565 |
382 |
165 |
17 |
8 |
1 |
0 |
| OW |
0 |
41 |
137 |
107 |
51 |
10 |
4 |
0 |
| VODI |
0 |
4 |
45 |
206 |
253 |
78 |
55 |
0 |
| ODI |
0 |
2 |
2 |
43 |
224 |
224 |
219 |
0 |
| CDI |
0 |
0 |
0 |
1 |
41 |
384 |
501 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
116 |
1832 |
853 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25844 |
5578 |
472 |
297 |
110 |
48 |
20 |
0 |
| OW |
0 |
19 |
39 |
71 |
49 |
17 |
9 |
0 |
| VODI |
0 |
8 |
22 |
78 |
108 |
36 |
39 |
0 |
| ODI |
0 |
7 |
18 |
59 |
189 |
159 |
69 |
0 |
| CDI |
0 |
0 |
15 |
17 |
130 |
521 |
1080 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
39 |
1395 |
851 |
|
Date: 2013-08-30:
| 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 |
26553 |
4920 |
265 |
129 |
30 |
3 |
0 |
0 |
| OW |
0 |
185 |
91 |
76 |
46 |
12 |
1 |
0 |
| VODI |
0 |
26 |
98 |
226 |
198 |
72 |
73 |
0 |
| ODI |
0 |
0 |
3 |
55 |
233 |
208 |
184 |
0 |
| CDI |
0 |
0 |
0 |
9 |
60 |
303 |
471 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
61 |
1874 |
946 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26553 |
5039 |
375 |
272 |
133 |
46 |
17 |
0 |
| OW |
0 |
33 |
19 |
60 |
51 |
18 |
12 |
0 |
| VODI |
0 |
33 |
21 |
73 |
107 |
40 |
44 |
0 |
| ODI |
0 |
21 |
17 |
54 |
144 |
160 |
73 |
0 |
| CDI |
0 |
5 |
25 |
36 |
133 |
354 |
1218 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
41 |
1239 |
942 |
|
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