Validation of sea ice concentration
Bulletin date: 2016-08-18
Model vs. observations, sea ice class contingency tables
Date: 2016-08-12:
| 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 |
24283 |
5153 |
938 |
661 |
378 |
42 |
10 |
0 |
| OW |
0 |
0 |
16 |
102 |
216 |
128 |
20 |
0 |
| VODI |
0 |
0 |
0 |
32 |
150 |
393 |
119 |
0 |
| ODI |
0 |
0 |
0 |
6 |
47 |
383 |
417 |
0 |
| CDI |
0 |
0 |
0 |
5 |
7 |
59 |
2300 |
1720 |
| VCDI |
0 |
0 |
0 |
14 |
2 |
0 |
160 |
398 |
|
...date precedes bulletin
|
Date: 2016-08-16:
| 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 |
24584 |
4864 |
948 |
837 |
290 |
48 |
8 |
0 |
| OW |
0 |
0 |
6 |
59 |
145 |
94 |
12 |
0 |
| VODI |
0 |
0 |
0 |
20 |
117 |
311 |
30 |
0 |
| ODI |
0 |
0 |
0 |
9 |
95 |
486 |
398 |
0 |
| CDI |
0 |
0 |
0 |
6 |
16 |
130 |
2197 |
125 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
3 |
854 |
1462 |
|
...date precedes bulletin
|
Date: 2016-08-18:
| 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 |
24477 |
5035 |
1098 |
722 |
253 |
49 |
10 |
0 |
| OW |
0 |
0 |
5 |
69 |
159 |
81 |
8 |
0 |
| VODI |
0 |
0 |
1 |
42 |
257 |
230 |
42 |
0 |
| ODI |
0 |
0 |
0 |
15 |
136 |
346 |
435 |
0 |
| CDI |
0 |
0 |
0 |
5 |
18 |
232 |
2217 |
108 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
6 |
614 |
1487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24477 |
5035 |
1101 |
735 |
277 |
67 |
13 |
0 |
| OW |
0 |
0 |
2 |
60 |
123 |
63 |
14 |
0 |
| VODI |
0 |
0 |
1 |
39 |
263 |
237 |
48 |
0 |
| ODI |
0 |
0 |
0 |
13 |
136 |
322 |
414 |
0 |
| CDI |
0 |
0 |
0 |
7 |
25 |
252 |
2114 |
104 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
723 |
1491 |
|
Date: 2016-08-22:
| 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 |
24486 |
4786 |
1317 |
730 |
230 |
35 |
1 |
0 |
| OW |
0 |
0 |
19 |
82 |
148 |
37 |
1 |
0 |
| VODI |
0 |
0 |
5 |
88 |
230 |
167 |
40 |
0 |
| ODI |
0 |
0 |
3 |
13 |
113 |
397 |
672 |
0 |
| CDI |
0 |
0 |
5 |
12 |
17 |
73 |
2344 |
164 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
7 |
906 |
1027 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24486 |
4786 |
1317 |
721 |
245 |
43 |
0 |
0 |
| OW |
0 |
0 |
19 |
93 |
152 |
66 |
5 |
0 |
| VODI |
0 |
0 |
5 |
93 |
235 |
225 |
130 |
0 |
| ODI |
0 |
0 |
6 |
13 |
80 |
226 |
595 |
0 |
| CDI |
0 |
0 |
2 |
5 |
30 |
156 |
2492 |
57 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
742 |
1134 |
|
Date: 2016-08-24:
| 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 |
24240 |
4925 |
1227 |
787 |
292 |
9 |
0 |
0 |
| OW |
0 |
0 |
18 |
119 |
134 |
34 |
5 |
0 |
| VODI |
0 |
0 |
3 |
70 |
204 |
120 |
19 |
0 |
| ODI |
0 |
0 |
3 |
11 |
152 |
511 |
497 |
0 |
| CDI |
0 |
0 |
5 |
13 |
22 |
241 |
2303 |
73 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
6 |
1113 |
1000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24240 |
4925 |
1217 |
774 |
289 |
14 |
0 |
0 |
| OW |
0 |
0 |
27 |
118 |
140 |
41 |
5 |
0 |
| VODI |
0 |
0 |
4 |
88 |
265 |
242 |
58 |
0 |
| ODI |
0 |
0 |
4 |
13 |
85 |
318 |
465 |
0 |
| CDI |
0 |
0 |
4 |
7 |
26 |
302 |
2165 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
4 |
1244 |
1072 |
|
Date: 2016-08-26:
| 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 |
24325 |
5030 |
957 |
849 |
175 |
0 |
0 |
0 |
| OW |
0 |
0 |
5 |
153 |
146 |
17 |
2 |
0 |
| VODI |
0 |
0 |
1 |
107 |
199 |
72 |
19 |
0 |
| ODI |
0 |
0 |
1 |
26 |
268 |
691 |
224 |
0 |
| CDI |
0 |
0 |
0 |
7 |
47 |
596 |
1869 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
4 |
1089 |
1260 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24325 |
5029 |
953 |
862 |
188 |
9 |
0 |
0 |
| OW |
0 |
1 |
10 |
150 |
148 |
23 |
5 |
0 |
| VODI |
0 |
0 |
0 |
116 |
284 |
179 |
60 |
0 |
| ODI |
0 |
0 |
1 |
9 |
143 |
368 |
287 |
1 |
| CDI |
0 |
0 |
0 |
5 |
75 |
742 |
1586 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
59 |
1265 |
1271 |
|
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