Validation of sea ice concentration
Bulletin date: 2013-07-11
Model vs. observations, sea ice class contingency tables
Date: 2013-07-05:
| 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 |
18209 |
6260 |
932 |
1730 |
552 |
260 |
73 |
4 |
| OW |
0 |
3 |
80 |
496 |
734 |
364 |
126 |
0 |
| VODI |
0 |
0 |
32 |
209 |
281 |
708 |
430 |
2 |
| ODI |
0 |
0 |
3 |
17 |
78 |
211 |
819 |
1 |
| CDI |
0 |
0 |
0 |
0 |
65 |
238 |
2089 |
139 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
539 |
1733 |
|
...date precedes bulletin
|
Date: 2013-07-09:
| 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 |
19363 |
5812 |
1068 |
1463 |
887 |
131 |
79 |
0 |
| OW |
0 |
21 |
119 |
352 |
598 |
333 |
57 |
0 |
| VODI |
0 |
0 |
53 |
134 |
299 |
605 |
298 |
1 |
| ODI |
0 |
0 |
2 |
14 |
73 |
306 |
1181 |
1 |
| CDI |
0 |
0 |
0 |
1 |
16 |
204 |
1308 |
159 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
136 |
693 |
1652 |
|
...date precedes bulletin
|
Date: 2013-07-11:
| 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 |
19776 |
6335 |
1321 |
1413 |
180 |
52 |
57 |
0 |
| OW |
0 |
114 |
162 |
529 |
358 |
236 |
63 |
0 |
| VODI |
0 |
5 |
32 |
224 |
305 |
440 |
376 |
0 |
| ODI |
0 |
0 |
1 |
10 |
51 |
139 |
1120 |
0 |
| CDI |
0 |
0 |
0 |
0 |
6 |
170 |
1172 |
72 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
164 |
1080 |
1453 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19776 |
6441 |
1484 |
1947 |
635 |
436 |
130 |
0 |
| OW |
0 |
4 |
21 |
83 |
87 |
81 |
54 |
0 |
| VODI |
0 |
3 |
10 |
89 |
94 |
147 |
242 |
0 |
| ODI |
0 |
6 |
1 |
49 |
64 |
171 |
885 |
0 |
| CDI |
0 |
0 |
0 |
8 |
22 |
264 |
1635 |
83 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
102 |
922 |
1442 |
|
Date: 2013-07-15:
| 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 |
20721 |
6687 |
1391 |
907 |
266 |
90 |
60 |
0 |
| OW |
0 |
48 |
145 |
373 |
174 |
54 |
70 |
0 |
| VODI |
0 |
0 |
32 |
197 |
176 |
138 |
136 |
0 |
| ODI |
0 |
0 |
8 |
45 |
169 |
291 |
381 |
0 |
| CDI |
0 |
0 |
0 |
0 |
35 |
371 |
1134 |
28 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
39 |
1410 |
1841 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20721 |
6710 |
1515 |
1284 |
557 |
283 |
177 |
0 |
| OW |
0 |
16 |
28 |
86 |
53 |
55 |
71 |
0 |
| VODI |
0 |
9 |
29 |
84 |
99 |
166 |
226 |
0 |
| ODI |
0 |
0 |
4 |
52 |
75 |
132 |
622 |
0 |
| CDI |
0 |
0 |
0 |
16 |
36 |
286 |
1764 |
314 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
61 |
331 |
1555 |
|
Date: 2013-07-17:
| 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 |
19933 |
7706 |
1134 |
1192 |
341 |
137 |
68 |
0 |
| OW |
0 |
42 |
165 |
201 |
128 |
72 |
75 |
0 |
| VODI |
0 |
0 |
41 |
141 |
167 |
114 |
101 |
0 |
| ODI |
0 |
0 |
4 |
34 |
95 |
321 |
328 |
0 |
| CDI |
0 |
0 |
0 |
7 |
37 |
407 |
1221 |
5 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
100 |
1224 |
1875 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19933 |
7710 |
1277 |
1413 |
569 |
366 |
234 |
0 |
| OW |
0 |
22 |
14 |
49 |
48 |
85 |
74 |
0 |
| VODI |
0 |
11 |
27 |
38 |
61 |
151 |
237 |
0 |
| ODI |
0 |
5 |
17 |
37 |
48 |
160 |
494 |
0 |
| CDI |
0 |
0 |
9 |
38 |
41 |
355 |
1519 |
205 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
34 |
459 |
1675 |
|
Date: 2013-07-19:
| 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 |
20746 |
6855 |
1531 |
950 |
322 |
115 |
27 |
0 |
| OW |
0 |
37 |
119 |
246 |
165 |
63 |
48 |
0 |
| VODI |
0 |
11 |
45 |
161 |
167 |
100 |
95 |
0 |
| ODI |
0 |
0 |
17 |
55 |
188 |
271 |
271 |
0 |
| CDI |
0 |
0 |
2 |
13 |
56 |
500 |
1225 |
7 |
| VCDI |
0 |
0 |
1 |
2 |
7 |
33 |
1196 |
1772 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20746 |
6896 |
1670 |
1273 |
659 |
362 |
131 |
0 |
| OW |
0 |
5 |
22 |
65 |
58 |
72 |
59 |
0 |
| VODI |
0 |
2 |
16 |
55 |
93 |
133 |
191 |
0 |
| ODI |
0 |
0 |
5 |
23 |
53 |
139 |
481 |
0 |
| CDI |
0 |
0 |
2 |
11 |
37 |
360 |
1310 |
112 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
16 |
690 |
1667 |
|
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