Validation of sea ice concentration
Bulletin date: 2014-07-24
Model vs. observations, sea ice class contingency tables
Date: 2014-07-18:
| 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 |
19164 |
4733 |
2221 |
1444 |
253 |
134 |
61 |
0 |
| OW |
0 |
2 |
89 |
537 |
268 |
28 |
21 |
0 |
| VODI |
0 |
0 |
17 |
374 |
452 |
82 |
18 |
0 |
| ODI |
0 |
0 |
3 |
97 |
342 |
137 |
79 |
0 |
| CDI |
0 |
0 |
0 |
46 |
459 |
781 |
2104 |
469 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
331 |
678 |
1606 |
|
...date precedes bulletin
|
Date: 2014-07-22:
| 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 |
18944 |
5013 |
2445 |
1696 |
273 |
124 |
64 |
0 |
| OW |
0 |
2 |
44 |
327 |
272 |
55 |
21 |
0 |
| VODI |
0 |
0 |
13 |
296 |
468 |
86 |
44 |
0 |
| ODI |
0 |
0 |
0 |
67 |
400 |
243 |
159 |
0 |
| CDI |
0 |
0 |
0 |
1 |
270 |
995 |
2425 |
1200 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
50 |
274 |
795 |
|
...date precedes bulletin
|
Date: 2014-07-24:
| 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 |
18879 |
5242 |
2893 |
1318 |
249 |
141 |
64 |
0 |
| OW |
0 |
0 |
90 |
379 |
258 |
54 |
15 |
0 |
| VODI |
0 |
0 |
23 |
301 |
370 |
74 |
42 |
0 |
| ODI |
0 |
0 |
1 |
82 |
323 |
235 |
189 |
5 |
| CDI |
0 |
0 |
0 |
3 |
175 |
979 |
2386 |
1323 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
141 |
208 |
616 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18879 |
5231 |
2610 |
1416 |
628 |
218 |
77 |
0 |
| OW |
0 |
10 |
231 |
189 |
140 |
76 |
44 |
0 |
| VODI |
0 |
1 |
101 |
247 |
218 |
97 |
174 |
1 |
| ODI |
0 |
0 |
55 |
144 |
228 |
296 |
270 |
11 |
| CDI |
0 |
0 |
10 |
87 |
163 |
776 |
2184 |
1664 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
161 |
155 |
268 |
|
Date: 2014-07-28:
| 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 |
19541 |
5938 |
2229 |
783 |
242 |
96 |
59 |
0 |
| OW |
0 |
3 |
65 |
250 |
171 |
106 |
16 |
0 |
| VODI |
0 |
0 |
18 |
197 |
349 |
226 |
12 |
0 |
| ODI |
0 |
0 |
0 |
50 |
130 |
308 |
114 |
0 |
| CDI |
0 |
0 |
0 |
3 |
28 |
188 |
1097 |
385 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
38 |
1884 |
2536 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19541 |
5895 |
2062 |
837 |
534 |
344 |
77 |
0 |
| OW |
0 |
46 |
116 |
171 |
117 |
130 |
65 |
0 |
| VODI |
0 |
0 |
63 |
134 |
130 |
195 |
250 |
0 |
| ODI |
0 |
0 |
54 |
78 |
98 |
189 |
571 |
49 |
| CDI |
0 |
0 |
17 |
63 |
44 |
98 |
1891 |
2685 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
6 |
328 |
187 |
|
Date: 2014-07-30:
| 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 |
19650 |
6393 |
1216 |
1196 |
410 |
134 |
46 |
0 |
| OW |
0 |
1 |
38 |
187 |
225 |
105 |
12 |
0 |
| VODI |
0 |
0 |
11 |
96 |
308 |
248 |
24 |
0 |
| ODI |
0 |
0 |
0 |
27 |
111 |
237 |
115 |
0 |
| CDI |
0 |
0 |
0 |
10 |
37 |
160 |
1155 |
220 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
36 |
1748 |
2898 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19650 |
6264 |
1142 |
1152 |
667 |
385 |
83 |
0 |
| OW |
0 |
69 |
75 |
118 |
135 |
120 |
86 |
0 |
| VODI |
0 |
53 |
10 |
115 |
139 |
135 |
338 |
0 |
| ODI |
0 |
8 |
25 |
90 |
79 |
152 |
584 |
99 |
| CDI |
0 |
0 |
13 |
41 |
82 |
120 |
1575 |
2718 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
8 |
434 |
301 |
|
Date: 2014-08-01:
| 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 |
20493 |
5982 |
1066 |
948 |
428 |
149 |
30 |
0 |
| OW |
0 |
1 |
52 |
132 |
227 |
139 |
14 |
0 |
| VODI |
0 |
0 |
8 |
89 |
276 |
214 |
19 |
0 |
| ODI |
0 |
0 |
2 |
20 |
112 |
210 |
120 |
0 |
| CDI |
0 |
0 |
2 |
10 |
55 |
201 |
1053 |
39 |
| VCDI |
0 |
0 |
0 |
3 |
18 |
27 |
1807 |
3121 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20493 |
5872 |
972 |
931 |
709 |
393 |
64 |
0 |
| OW |
0 |
58 |
89 |
74 |
119 |
132 |
92 |
0 |
| VODI |
0 |
50 |
32 |
100 |
119 |
153 |
307 |
0 |
| ODI |
0 |
3 |
28 |
61 |
86 |
134 |
553 |
295 |
| CDI |
0 |
0 |
9 |
36 |
80 |
115 |
1439 |
2373 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
13 |
588 |
492 |
|
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