Validation of sea ice concentration
Bulletin date: 2012-07-26
Model vs. observations, sea ice class contingency tables
Date: 2012-07-20:
| 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 |
21566 |
5672 |
483 |
958 |
336 |
39 |
22 |
0 |
| OW |
0 |
9 |
53 |
188 |
319 |
57 |
21 |
0 |
| VODI |
0 |
0 |
11 |
153 |
545 |
380 |
107 |
0 |
| ODI |
0 |
0 |
0 |
33 |
169 |
606 |
715 |
0 |
| CDI |
0 |
0 |
0 |
1 |
11 |
37 |
1871 |
1430 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
42 |
1585 |
|
...date precedes bulletin
|
Date: 2012-07-24:
| 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 |
21231 |
6228 |
691 |
1078 |
235 |
33 |
22 |
0 |
| OW |
0 |
10 |
27 |
244 |
270 |
70 |
14 |
0 |
| VODI |
0 |
0 |
0 |
110 |
429 |
334 |
131 |
0 |
| ODI |
0 |
0 |
0 |
23 |
322 |
395 |
1165 |
0 |
| CDI |
0 |
0 |
0 |
2 |
10 |
20 |
1411 |
1580 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
54 |
1279 |
|
...date precedes bulletin
|
Date: 2012-07-26:
| 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 |
21485 |
6258 |
678 |
1001 |
206 |
18 |
5 |
0 |
| OW |
0 |
12 |
48 |
306 |
295 |
58 |
12 |
0 |
| VODI |
0 |
0 |
1 |
189 |
338 |
300 |
250 |
0 |
| ODI |
0 |
0 |
0 |
32 |
231 |
312 |
1252 |
1 |
| CDI |
0 |
0 |
0 |
3 |
9 |
22 |
1293 |
1490 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
49 |
1264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21485 |
6263 |
715 |
1349 |
696 |
231 |
178 |
0 |
| OW |
0 |
5 |
9 |
62 |
79 |
52 |
53 |
0 |
| VODI |
0 |
2 |
3 |
86 |
130 |
141 |
197 |
0 |
| ODI |
0 |
0 |
0 |
30 |
148 |
253 |
1128 |
36 |
| CDI |
0 |
0 |
0 |
4 |
26 |
34 |
1199 |
1471 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
106 |
1248 |
|
Date: 2012-07-30:
| 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 |
22081 |
5706 |
655 |
1145 |
337 |
14 |
7 |
0 |
| OW |
0 |
6 |
35 |
215 |
241 |
60 |
16 |
0 |
| VODI |
0 |
0 |
5 |
146 |
424 |
264 |
161 |
0 |
| ODI |
0 |
0 |
0 |
12 |
89 |
286 |
1320 |
0 |
| CDI |
0 |
0 |
0 |
1 |
3 |
2 |
943 |
2431 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
22 |
791 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22081 |
5711 |
684 |
1400 |
830 |
229 |
223 |
0 |
| OW |
0 |
1 |
7 |
39 |
66 |
56 |
83 |
0 |
| VODI |
0 |
0 |
4 |
57 |
106 |
165 |
323 |
0 |
| ODI |
0 |
0 |
0 |
19 |
85 |
155 |
985 |
76 |
| CDI |
0 |
0 |
0 |
4 |
7 |
22 |
790 |
2030 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
65 |
1116 |
|
Date: 2012-08-01:
| 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 |
22178 |
5324 |
847 |
1254 |
366 |
13 |
6 |
0 |
| OW |
0 |
2 |
26 |
260 |
239 |
40 |
27 |
0 |
| VODI |
0 |
1 |
3 |
111 |
466 |
299 |
169 |
0 |
| ODI |
0 |
0 |
0 |
8 |
83 |
322 |
1127 |
0 |
| CDI |
0 |
0 |
0 |
2 |
6 |
5 |
1111 |
2489 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
17 |
618 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22178 |
5325 |
872 |
1556 |
849 |
250 |
195 |
0 |
| OW |
0 |
1 |
2 |
37 |
79 |
74 |
72 |
0 |
| VODI |
0 |
1 |
2 |
30 |
131 |
161 |
335 |
0 |
| ODI |
0 |
0 |
0 |
9 |
90 |
167 |
883 |
84 |
| CDI |
0 |
0 |
0 |
3 |
11 |
27 |
908 |
1820 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
64 |
1203 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22570 |
5022 |
849 |
1658 |
717 |
270 |
180 |
0 |
| OW |
0 |
0 |
4 |
29 |
88 |
65 |
76 |
0 |
| VODI |
0 |
2 |
3 |
29 |
165 |
167 |
304 |
0 |
| ODI |
0 |
0 |
3 |
23 |
100 |
213 |
790 |
116 |
| CDI |
0 |
0 |
0 |
6 |
9 |
51 |
1014 |
1711 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
28 |
1157 |
|
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