Validation of sea ice concentration
Bulletin date: 2012-08-02
Model vs. observations, sea ice class contingency tables
Date: 2012-07-27:
| 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 |
21660 |
6188 |
802 |
848 |
194 |
13 |
5 |
0 |
| OW |
0 |
23 |
61 |
244 |
370 |
56 |
15 |
0 |
| VODI |
0 |
0 |
4 |
149 |
384 |
317 |
264 |
0 |
| ODI |
0 |
0 |
0 |
37 |
200 |
287 |
1249 |
6 |
| CDI |
0 |
0 |
0 |
3 |
16 |
46 |
1191 |
1662 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
52 |
1072 |
|
...date precedes bulletin
|
Date: 2012-07-31:
| 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 |
22056 |
5627 |
674 |
1241 |
348 |
16 |
6 |
0 |
| OW |
0 |
4 |
38 |
271 |
236 |
41 |
20 |
0 |
| VODI |
0 |
1 |
4 |
135 |
400 |
274 |
178 |
0 |
| ODI |
0 |
0 |
0 |
11 |
88 |
277 |
1237 |
0 |
| CDI |
0 |
0 |
0 |
2 |
6 |
2 |
1045 |
2588 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
17 |
575 |
|
...date precedes bulletin
|
Date: 2012-08-02:
| 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 |
22373 |
5201 |
777 |
1320 |
271 |
23 |
2 |
0 |
| OW |
0 |
1 |
23 |
292 |
214 |
66 |
14 |
0 |
| VODI |
0 |
0 |
5 |
130 |
517 |
277 |
177 |
0 |
| ODI |
0 |
0 |
0 |
13 |
88 |
370 |
1078 |
4 |
| CDI |
0 |
0 |
0 |
1 |
3 |
19 |
1142 |
2372 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
21 |
625 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22373 |
5201 |
797 |
1636 |
753 |
175 |
101 |
0 |
| OW |
0 |
0 |
1 |
55 |
92 |
89 |
48 |
0 |
| VODI |
0 |
1 |
4 |
51 |
152 |
134 |
117 |
0 |
| ODI |
0 |
0 |
3 |
12 |
94 |
277 |
862 |
7 |
| CDI |
0 |
0 |
0 |
2 |
2 |
80 |
1039 |
1973 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
267 |
1021 |
|
Date: 2012-08-06:
| 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 |
24163 |
4333 |
274 |
1088 |
270 |
18 |
2 |
0 |
| OW |
0 |
11 |
36 |
140 |
286 |
35 |
21 |
0 |
| VODI |
0 |
2 |
1 |
83 |
402 |
186 |
84 |
0 |
| ODI |
0 |
0 |
0 |
29 |
170 |
375 |
987 |
0 |
| CDI |
0 |
0 |
0 |
1 |
13 |
66 |
888 |
1031 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
421 |
2003 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24163 |
4346 |
304 |
1250 |
868 |
139 |
113 |
0 |
| OW |
0 |
0 |
3 |
31 |
71 |
77 |
46 |
0 |
| VODI |
0 |
0 |
4 |
44 |
130 |
170 |
294 |
0 |
| ODI |
0 |
0 |
0 |
13 |
62 |
220 |
734 |
10 |
| CDI |
0 |
0 |
0 |
3 |
10 |
74 |
1088 |
2289 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
128 |
735 |
|
Date: 2012-08-08:
| 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 |
23999 |
4314 |
442 |
1030 |
438 |
31 |
3 |
0 |
| OW |
0 |
11 |
29 |
124 |
296 |
29 |
22 |
0 |
| VODI |
0 |
0 |
4 |
99 |
447 |
181 |
76 |
0 |
| ODI |
0 |
0 |
0 |
23 |
207 |
557 |
551 |
0 |
| CDI |
0 |
0 |
0 |
10 |
17 |
72 |
1394 |
957 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1 |
270 |
1783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23999 |
4324 |
465 |
1190 |
994 |
130 |
79 |
0 |
| OW |
0 |
1 |
7 |
31 |
120 |
95 |
25 |
0 |
| VODI |
0 |
0 |
3 |
32 |
178 |
205 |
218 |
0 |
| ODI |
0 |
0 |
0 |
17 |
92 |
336 |
508 |
13 |
| CDI |
0 |
0 |
0 |
16 |
23 |
105 |
1410 |
1726 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
76 |
1001 |
|
Date: 2012-08-10:
| 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 |
24055 |
4320 |
670 |
745 |
488 |
24 |
0 |
0 |
| OW |
0 |
3 |
47 |
131 |
269 |
52 |
29 |
0 |
| VODI |
0 |
0 |
0 |
99 |
373 |
376 |
79 |
0 |
| ODI |
0 |
0 |
0 |
57 |
177 |
416 |
540 |
0 |
| CDI |
0 |
0 |
0 |
7 |
3 |
35 |
1545 |
1446 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
88 |
1345 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24055 |
4317 |
711 |
905 |
950 |
172 |
78 |
0 |
| OW |
0 |
2 |
3 |
35 |
116 |
116 |
23 |
0 |
| VODI |
0 |
4 |
3 |
48 |
156 |
235 |
189 |
0 |
| ODI |
0 |
0 |
0 |
27 |
74 |
294 |
499 |
15 |
| CDI |
0 |
0 |
0 |
24 |
14 |
86 |
1389 |
1570 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
103 |
1206 |
|
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