Validation of sea ice concentration
Bulletin date: 2012-08-09
Model vs. observations, sea ice class contingency tables
Date: 2012-08-03:
| 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 |
22570 |
5018 |
815 |
1371 |
205 |
16 |
1 |
0 |
| OW |
0 |
5 |
38 |
248 |
256 |
61 |
19 |
0 |
| VODI |
0 |
1 |
6 |
113 |
515 |
289 |
217 |
0 |
| ODI |
0 |
0 |
0 |
12 |
101 |
364 |
958 |
0 |
| CDI |
0 |
0 |
0 |
1 |
2 |
36 |
1133 |
2097 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
64 |
887 |
|
...date precedes bulletin
|
Date: 2012-08-07:
| 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 |
24079 |
4312 |
400 |
1007 |
408 |
24 |
2 |
0 |
| OW |
0 |
14 |
34 |
119 |
281 |
37 |
21 |
0 |
| VODI |
0 |
0 |
4 |
87 |
368 |
257 |
90 |
0 |
| ODI |
0 |
0 |
0 |
21 |
199 |
501 |
681 |
2 |
| CDI |
0 |
0 |
0 |
5 |
4 |
82 |
1196 |
943 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
440 |
1801 |
|
...date precedes bulletin
|
Date: 2012-08-09:
| 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 |
23974 |
4368 |
801 |
685 |
439 |
30 |
0 |
0 |
| OW |
0 |
7 |
32 |
127 |
281 |
55 |
24 |
0 |
| VODI |
0 |
0 |
1 |
66 |
313 |
429 |
82 |
0 |
| ODI |
0 |
0 |
0 |
22 |
79 |
600 |
546 |
0 |
| CDI |
0 |
0 |
0 |
10 |
6 |
48 |
1458 |
1136 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
178 |
1622 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23974 |
4375 |
827 |
834 |
846 |
214 |
76 |
0 |
| OW |
0 |
0 |
5 |
35 |
90 |
92 |
20 |
0 |
| VODI |
0 |
0 |
2 |
22 |
132 |
216 |
64 |
0 |
| ODI |
0 |
0 |
0 |
11 |
43 |
437 |
449 |
0 |
| CDI |
0 |
0 |
0 |
8 |
7 |
203 |
1319 |
1207 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
360 |
1551 |
|
Date: 2012-08-13:
| 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 |
24492 |
4295 |
549 |
689 |
296 |
27 |
0 |
0 |
| OW |
0 |
14 |
62 |
162 |
155 |
21 |
33 |
0 |
| VODI |
0 |
2 |
12 |
212 |
412 |
256 |
119 |
0 |
| ODI |
0 |
0 |
0 |
24 |
127 |
203 |
419 |
5 |
| CDI |
0 |
0 |
0 |
0 |
16 |
108 |
813 |
518 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
5 |
1018 |
2355 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24492 |
4299 |
595 |
911 |
656 |
142 |
85 |
0 |
| OW |
0 |
10 |
17 |
64 |
80 |
42 |
27 |
0 |
| VODI |
0 |
2 |
11 |
59 |
120 |
129 |
152 |
0 |
| ODI |
0 |
0 |
0 |
38 |
134 |
225 |
457 |
6 |
| CDI |
0 |
0 |
0 |
15 |
16 |
82 |
1549 |
1874 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
132 |
998 |
|
Date: 2012-08-15:
| 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 |
24730 |
4073 |
486 |
725 |
266 |
14 |
0 |
0 |
| OW |
0 |
12 |
85 |
186 |
99 |
35 |
23 |
0 |
| VODI |
0 |
0 |
16 |
254 |
415 |
246 |
161 |
0 |
| ODI |
0 |
0 |
0 |
35 |
127 |
135 |
315 |
1 |
| CDI |
0 |
0 |
0 |
0 |
36 |
206 |
932 |
775 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
25 |
1064 |
1942 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24730 |
4081 |
553 |
1031 |
520 |
130 |
76 |
0 |
| OW |
0 |
4 |
18 |
47 |
87 |
47 |
34 |
0 |
| VODI |
0 |
0 |
16 |
58 |
140 |
124 |
156 |
0 |
| ODI |
0 |
0 |
0 |
54 |
177 |
168 |
367 |
1 |
| CDI |
0 |
0 |
0 |
10 |
19 |
192 |
1614 |
2410 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
248 |
307 |
|
Date: 2012-08-17:
| 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 |
24850 |
3807 |
451 |
836 |
197 |
35 |
6 |
0 |
| OW |
0 |
8 |
53 |
225 |
127 |
37 |
17 |
0 |
| VODI |
0 |
2 |
18 |
246 |
439 |
264 |
167 |
0 |
| ODI |
0 |
0 |
0 |
50 |
140 |
152 |
234 |
26 |
| CDI |
0 |
0 |
0 |
1 |
59 |
289 |
1255 |
1196 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
781 |
1433 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24850 |
3817 |
512 |
1156 |
528 |
188 |
75 |
0 |
| OW |
0 |
0 |
6 |
56 |
90 |
67 |
29 |
0 |
| VODI |
0 |
0 |
4 |
67 |
159 |
142 |
144 |
0 |
| ODI |
0 |
0 |
0 |
59 |
133 |
177 |
302 |
0 |
| CDI |
0 |
0 |
0 |
20 |
52 |
221 |
1678 |
2508 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
232 |
147 |
|
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