Validation of sea ice concentration
Bulletin date: 2016-06-23
Model vs. observations, sea ice class contingency tables
Date: 2016-06-17:
| 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 |
17617 |
6534 |
1665 |
1160 |
802 |
320 |
153 |
10 |
| OW |
0 |
0 |
57 |
237 |
301 |
219 |
109 |
0 |
| VODI |
0 |
4 |
25 |
83 |
233 |
392 |
341 |
2 |
| ODI |
0 |
1 |
3 |
30 |
86 |
206 |
536 |
1 |
| CDI |
0 |
0 |
0 |
19 |
38 |
194 |
1412 |
8 |
| VCDI |
0 |
0 |
0 |
2 |
6 |
18 |
1802 |
3533 |
|
...date precedes bulletin
|
Date: 2016-06-21:
| 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 |
18452 |
7047 |
1103 |
1429 |
610 |
144 |
118 |
9 |
| OW |
0 |
5 |
40 |
328 |
216 |
115 |
40 |
0 |
| VODI |
0 |
5 |
8 |
156 |
232 |
397 |
97 |
2 |
| ODI |
0 |
0 |
2 |
30 |
88 |
519 |
315 |
7 |
| CDI |
0 |
0 |
0 |
10 |
49 |
454 |
859 |
48 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
30 |
1832 |
3359 |
|
...date precedes bulletin
|
Date: 2016-06-23:
| 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 |
18185 |
7011 |
1768 |
1288 |
611 |
198 |
133 |
9 |
| OW |
0 |
3 |
76 |
207 |
231 |
178 |
59 |
0 |
| VODI |
0 |
3 |
17 |
96 |
208 |
424 |
172 |
2 |
| ODI |
0 |
0 |
0 |
19 |
83 |
288 |
440 |
4 |
| CDI |
0 |
0 |
0 |
5 |
58 |
276 |
1035 |
168 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
4 |
1606 |
3289 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18185 |
7012 |
1784 |
1334 |
663 |
234 |
148 |
9 |
| OW |
0 |
4 |
57 |
158 |
169 |
152 |
46 |
0 |
| VODI |
0 |
1 |
20 |
100 |
209 |
394 |
179 |
2 |
| ODI |
0 |
0 |
0 |
17 |
93 |
318 |
458 |
2 |
| CDI |
0 |
0 |
0 |
6 |
58 |
262 |
1057 |
144 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
8 |
1557 |
3315 |
|
Date: 2016-06-27:
| 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 |
19151 |
7918 |
1051 |
636 |
510 |
236 |
199 |
13 |
| OW |
0 |
33 |
63 |
184 |
145 |
79 |
130 |
0 |
| VODI |
0 |
1 |
19 |
71 |
148 |
160 |
304 |
2 |
| ODI |
0 |
0 |
1 |
6 |
133 |
232 |
739 |
1 |
| CDI |
0 |
0 |
2 |
1 |
17 |
83 |
1387 |
510 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
2 |
847 |
3141 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19151 |
7867 |
1029 |
646 |
535 |
253 |
251 |
13 |
| OW |
0 |
64 |
78 |
140 |
144 |
85 |
158 |
0 |
| VODI |
0 |
21 |
24 |
105 |
155 |
206 |
524 |
2 |
| ODI |
0 |
0 |
3 |
6 |
82 |
112 |
485 |
8 |
| CDI |
0 |
0 |
2 |
1 |
37 |
134 |
1639 |
415 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
2 |
549 |
3229 |
|
Date: 2016-06-29:
| 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 |
19454 |
7696 |
1181 |
1157 |
285 |
69 |
156 |
13 |
| OW |
0 |
1 |
85 |
168 |
215 |
82 |
56 |
0 |
| VODI |
0 |
1 |
14 |
99 |
278 |
252 |
137 |
2 |
| ODI |
0 |
0 |
1 |
31 |
201 |
324 |
322 |
1 |
| CDI |
0 |
0 |
0 |
4 |
44 |
159 |
1511 |
390 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
1 |
816 |
2949 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19454 |
7671 |
1147 |
1101 |
303 |
98 |
199 |
13 |
| OW |
0 |
22 |
95 |
181 |
235 |
111 |
71 |
0 |
| VODI |
0 |
5 |
35 |
122 |
278 |
280 |
257 |
2 |
| ODI |
0 |
0 |
4 |
40 |
115 |
170 |
284 |
1 |
| CDI |
0 |
0 |
0 |
16 |
92 |
227 |
1852 |
395 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
1 |
335 |
2944 |
|
Date: 2016-07-01:
| 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 |
20028 |
7919 |
836 |
937 |
319 |
86 |
181 |
13 |
| OW |
0 |
22 |
41 |
157 |
255 |
51 |
62 |
0 |
| VODI |
0 |
1 |
13 |
83 |
354 |
216 |
163 |
4 |
| ODI |
0 |
0 |
2 |
21 |
201 |
247 |
318 |
11 |
| CDI |
0 |
0 |
1 |
6 |
17 |
151 |
1638 |
519 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
1 |
625 |
2656 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20028 |
7889 |
817 |
879 |
380 |
89 |
223 |
13 |
| OW |
0 |
49 |
51 |
170 |
239 |
94 |
64 |
0 |
| VODI |
0 |
4 |
20 |
109 |
296 |
198 |
218 |
2 |
| ODI |
0 |
0 |
4 |
33 |
156 |
149 |
331 |
7 |
| CDI |
0 |
0 |
1 |
14 |
75 |
221 |
2008 |
798 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
1 |
143 |
2383 |
|
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