Validation of sea ice concentration
Bulletin date: 2013-06-20
Model vs. observations, sea ice class contingency tables
Date: 2013-06-14:
| 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 |
16343 |
5172 |
1315 |
1107 |
225 |
21 |
12 |
0 |
| OW |
0 |
17 |
119 |
380 |
372 |
146 |
87 |
0 |
| VODI |
0 |
6 |
52 |
303 |
561 |
519 |
255 |
0 |
| ODI |
0 |
5 |
23 |
177 |
425 |
525 |
398 |
0 |
| CDI |
0 |
1 |
9 |
96 |
259 |
871 |
2414 |
747 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
107 |
2234 |
2088 |
|
...date precedes bulletin
|
Date: 2013-06-18:
| 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 |
17228 |
5306 |
949 |
909 |
117 |
35 |
46 |
0 |
| OW |
0 |
54 |
116 |
407 |
307 |
111 |
51 |
0 |
| VODI |
0 |
31 |
65 |
397 |
897 |
482 |
210 |
0 |
| ODI |
0 |
10 |
24 |
98 |
392 |
611 |
419 |
43 |
| CDI |
0 |
2 |
6 |
61 |
171 |
562 |
2372 |
601 |
| VCDI |
0 |
1 |
0 |
2 |
23 |
33 |
2216 |
2054 |
|
...date precedes bulletin
|
Date: 2013-06-20:
| 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 |
17272 |
5306 |
1070 |
774 |
356 |
45 |
37 |
0 |
| OW |
0 |
24 |
139 |
320 |
479 |
182 |
50 |
0 |
| VODI |
0 |
18 |
77 |
283 |
931 |
644 |
212 |
0 |
| ODI |
0 |
3 |
20 |
118 |
285 |
644 |
322 |
31 |
| CDI |
0 |
0 |
5 |
49 |
176 |
699 |
2486 |
608 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
18 |
1626 |
2099 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17272 |
5325 |
1197 |
1091 |
816 |
286 |
123 |
0 |
| OW |
0 |
8 |
38 |
95 |
153 |
90 |
31 |
0 |
| VODI |
0 |
6 |
34 |
126 |
383 |
308 |
99 |
0 |
| ODI |
0 |
4 |
26 |
126 |
555 |
665 |
295 |
12 |
| CDI |
0 |
6 |
16 |
102 |
308 |
842 |
2308 |
668 |
| VCDI |
0 |
2 |
0 |
4 |
23 |
41 |
1877 |
2058 |
|
Date: 2013-06-24:
| 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 |
16722 |
6106 |
1097 |
1159 |
185 |
45 |
99 |
0 |
| OW |
0 |
17 |
143 |
507 |
374 |
112 |
68 |
0 |
| VODI |
0 |
5 |
56 |
567 |
923 |
423 |
338 |
0 |
| ODI |
0 |
0 |
22 |
146 |
389 |
629 |
1177 |
92 |
| CDI |
0 |
0 |
0 |
17 |
33 |
325 |
1617 |
363 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
34 |
1388 |
2225 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16722 |
6111 |
1214 |
1708 |
699 |
205 |
160 |
0 |
| OW |
0 |
7 |
32 |
150 |
245 |
72 |
58 |
0 |
| VODI |
0 |
7 |
32 |
232 |
482 |
219 |
132 |
0 |
| ODI |
0 |
3 |
25 |
157 |
299 |
347 |
380 |
7 |
| CDI |
0 |
0 |
15 |
120 |
164 |
709 |
3107 |
713 |
| VCDI |
0 |
0 |
0 |
29 |
31 |
16 |
850 |
1960 |
|
Date: 2013-06-26:
| 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 |
17233 |
6334 |
600 |
957 |
550 |
280 |
129 |
0 |
| OW |
0 |
29 |
102 |
348 |
543 |
325 |
135 |
0 |
| VODI |
0 |
8 |
62 |
231 |
601 |
627 |
759 |
0 |
| ODI |
0 |
0 |
30 |
56 |
102 |
426 |
1041 |
185 |
| CDI |
0 |
0 |
5 |
7 |
42 |
190 |
1509 |
359 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
30 |
1219 |
2348 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17233 |
6345 |
689 |
1244 |
1083 |
605 |
217 |
0 |
| OW |
0 |
19 |
34 |
105 |
193 |
164 |
70 |
0 |
| VODI |
0 |
6 |
33 |
127 |
279 |
272 |
154 |
0 |
| ODI |
0 |
1 |
25 |
68 |
172 |
358 |
489 |
80 |
| CDI |
0 |
0 |
18 |
46 |
84 |
445 |
3121 |
941 |
| VCDI |
0 |
0 |
0 |
9 |
44 |
34 |
741 |
1871 |
|
Date: 2013-06-28:
| 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 |
17252 |
6356 |
586 |
949 |
792 |
514 |
104 |
0 |
| OW |
0 |
17 |
61 |
318 |
495 |
571 |
282 |
0 |
| VODI |
0 |
1 |
83 |
156 |
463 |
617 |
849 |
0 |
| ODI |
0 |
0 |
23 |
61 |
113 |
349 |
782 |
91 |
| CDI |
0 |
0 |
6 |
12 |
93 |
328 |
1364 |
307 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
26 |
1158 |
2222 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17252 |
6362 |
655 |
1199 |
1354 |
974 |
253 |
0 |
| OW |
0 |
8 |
29 |
73 |
116 |
144 |
65 |
0 |
| VODI |
0 |
3 |
32 |
82 |
148 |
302 |
123 |
0 |
| ODI |
0 |
1 |
21 |
75 |
142 |
359 |
486 |
62 |
| CDI |
0 |
0 |
16 |
56 |
174 |
607 |
2965 |
936 |
| VCDI |
0 |
0 |
6 |
11 |
40 |
19 |
647 |
1622 |
|
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