Validation of sea ice concentration
Bulletin date: 2013-07-18
Model vs. observations, sea ice class contingency tables
Date: 2013-07-12:
| 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 |
20597 |
6411 |
1074 |
782 |
259 |
87 |
52 |
0 |
| OW |
0 |
149 |
165 |
471 |
345 |
251 |
83 |
0 |
| VODI |
0 |
16 |
51 |
198 |
256 |
418 |
450 |
0 |
| ODI |
0 |
0 |
4 |
18 |
48 |
159 |
1018 |
0 |
| CDI |
0 |
0 |
0 |
1 |
15 |
175 |
1243 |
81 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
148 |
950 |
1441 |
|
...date precedes bulletin
|
Date: 2013-07-16:
| 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 |
20214 |
7252 |
1336 |
1117 |
353 |
74 |
87 |
0 |
| OW |
0 |
19 |
75 |
373 |
118 |
43 |
82 |
0 |
| VODI |
0 |
0 |
23 |
170 |
153 |
116 |
121 |
0 |
| ODI |
0 |
0 |
3 |
37 |
136 |
257 |
382 |
0 |
| CDI |
0 |
0 |
0 |
7 |
33 |
366 |
1194 |
7 |
| VCDI |
0 |
0 |
0 |
2 |
10 |
73 |
1325 |
1861 |
|
...date precedes bulletin
|
Date: 2013-07-18:
| 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 |
21255 |
6901 |
965 |
1032 |
224 |
109 |
54 |
0 |
| OW |
0 |
42 |
103 |
256 |
148 |
58 |
64 |
0 |
| VODI |
0 |
7 |
46 |
116 |
179 |
117 |
100 |
0 |
| ODI |
0 |
0 |
10 |
49 |
124 |
248 |
354 |
0 |
| CDI |
0 |
0 |
0 |
16 |
58 |
455 |
1269 |
17 |
| VCDI |
0 |
0 |
0 |
1 |
7 |
47 |
1042 |
1946 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21255 |
6943 |
1067 |
1256 |
361 |
155 |
101 |
0 |
| OW |
0 |
4 |
27 |
74 |
51 |
29 |
28 |
0 |
| VODI |
0 |
3 |
20 |
64 |
137 |
100 |
57 |
0 |
| ODI |
0 |
0 |
9 |
57 |
117 |
212 |
221 |
0 |
| CDI |
0 |
0 |
1 |
19 |
67 |
500 |
1395 |
31 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
38 |
1081 |
1932 |
|
Date: 2013-07-22:
| 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 |
21904 |
6525 |
1010 |
604 |
584 |
266 |
22 |
0 |
| OW |
0 |
24 |
32 |
107 |
163 |
273 |
39 |
0 |
| VODI |
0 |
7 |
15 |
21 |
129 |
309 |
132 |
0 |
| ODI |
0 |
0 |
1 |
6 |
46 |
338 |
1037 |
0 |
| CDI |
0 |
0 |
0 |
1 |
4 |
109 |
859 |
138 |
| VCDI |
0 |
0 |
1 |
1 |
5 |
9 |
901 |
1797 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21904 |
6523 |
1016 |
620 |
732 |
545 |
78 |
0 |
| OW |
0 |
19 |
14 |
50 |
46 |
83 |
44 |
0 |
| VODI |
0 |
11 |
16 |
34 |
71 |
125 |
92 |
0 |
| ODI |
0 |
2 |
9 |
21 |
46 |
165 |
250 |
0 |
| CDI |
0 |
1 |
4 |
15 |
33 |
377 |
1372 |
29 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
9 |
1154 |
1906 |
|
Date: 2013-07-24:
| 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 |
22409 |
6496 |
1191 |
857 |
141 |
59 |
18 |
0 |
| OW |
0 |
22 |
88 |
241 |
134 |
35 |
22 |
0 |
| VODI |
0 |
4 |
15 |
116 |
167 |
179 |
71 |
0 |
| ODI |
0 |
1 |
2 |
15 |
48 |
281 |
1003 |
0 |
| CDI |
0 |
0 |
0 |
4 |
3 |
151 |
810 |
86 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
5 |
722 |
2021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22409 |
6443 |
1225 |
1033 |
274 |
127 |
52 |
0 |
| OW |
0 |
27 |
29 |
51 |
44 |
32 |
32 |
0 |
| VODI |
0 |
32 |
22 |
89 |
58 |
66 |
65 |
0 |
| ODI |
0 |
10 |
12 |
33 |
73 |
85 |
217 |
0 |
| CDI |
0 |
11 |
8 |
28 |
45 |
397 |
1462 |
49 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
818 |
2058 |
|
Date: 2013-07-26:
| 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 |
22353 |
6036 |
1833 |
824 |
125 |
42 |
38 |
0 |
| OW |
0 |
28 |
83 |
202 |
142 |
46 |
37 |
0 |
| VODI |
0 |
4 |
18 |
100 |
178 |
162 |
118 |
0 |
| ODI |
0 |
0 |
4 |
26 |
48 |
245 |
967 |
0 |
| CDI |
0 |
0 |
0 |
2 |
6 |
218 |
964 |
117 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
2 |
617 |
1832 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22353 |
6002 |
1885 |
932 |
257 |
127 |
83 |
0 |
| OW |
0 |
26 |
13 |
61 |
43 |
29 |
24 |
0 |
| VODI |
0 |
23 |
23 |
83 |
79 |
48 |
58 |
0 |
| ODI |
0 |
9 |
10 |
57 |
75 |
85 |
229 |
0 |
| CDI |
0 |
8 |
7 |
22 |
46 |
412 |
1697 |
117 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
14 |
650 |
1832 |
|
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