Validation of sea ice concentration
Bulletin date: 2016-05-19
Model vs. observations, sea ice class contingency tables
Date: 2016-05-13:
| 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 |
16072 |
6355 |
1050 |
458 |
121 |
102 |
24 |
0 |
| OW |
0 |
1 |
74 |
180 |
111 |
59 |
52 |
0 |
| VODI |
0 |
0 |
57 |
157 |
183 |
145 |
225 |
0 |
| ODI |
0 |
0 |
29 |
131 |
192 |
209 |
369 |
2 |
| CDI |
0 |
0 |
21 |
84 |
195 |
419 |
1189 |
3 |
| VCDI |
0 |
0 |
15 |
64 |
78 |
285 |
5913 |
3535 |
|
...date precedes bulletin
|
Date: 2016-05-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2016-05-19:
| 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 |
17433 |
5787 |
867 |
476 |
250 |
99 |
50 |
0 |
| OW |
0 |
29 |
99 |
196 |
128 |
83 |
116 |
2 |
| VODI |
0 |
13 |
45 |
177 |
175 |
154 |
189 |
8 |
| ODI |
0 |
9 |
22 |
122 |
122 |
118 |
421 |
5 |
| CDI |
0 |
21 |
22 |
71 |
173 |
395 |
1432 |
1 |
| VCDI |
0 |
0 |
2 |
23 |
43 |
267 |
4553 |
3961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17433 |
5788 |
858 |
467 |
243 |
101 |
91 |
0 |
| OW |
0 |
30 |
106 |
204 |
142 |
90 |
95 |
3 |
| VODI |
0 |
13 |
50 |
175 |
165 |
144 |
194 |
7 |
| ODI |
0 |
8 |
21 |
119 |
123 |
122 |
417 |
5 |
| CDI |
0 |
20 |
19 |
80 |
179 |
395 |
1365 |
0 |
| VCDI |
0 |
0 |
3 |
20 |
39 |
264 |
4599 |
3962 |
|
Date: 2016-05-23:
| 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 |
17317 |
5604 |
1330 |
746 |
318 |
99 |
28 |
0 |
| OW |
0 |
21 |
55 |
214 |
230 |
77 |
70 |
0 |
| VODI |
0 |
18 |
24 |
97 |
285 |
238 |
144 |
12 |
| ODI |
0 |
2 |
10 |
55 |
176 |
387 |
398 |
3 |
| CDI |
0 |
0 |
1 |
20 |
113 |
761 |
1965 |
1 |
| VCDI |
0 |
0 |
1 |
19 |
26 |
257 |
3183 |
3854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17317 |
5589 |
1275 |
719 |
394 |
142 |
74 |
0 |
| OW |
0 |
36 |
70 |
173 |
226 |
117 |
63 |
4 |
| VODI |
0 |
14 |
31 |
126 |
185 |
243 |
219 |
10 |
| ODI |
0 |
5 |
27 |
55 |
142 |
299 |
349 |
1 |
| CDI |
0 |
1 |
16 |
54 |
143 |
568 |
1701 |
1 |
| VCDI |
0 |
0 |
2 |
24 |
58 |
450 |
3382 |
3854 |
|
Date: 2016-05-25:
| 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 |
17053 |
6026 |
1313 |
823 |
360 |
85 |
49 |
0 |
| OW |
0 |
7 |
55 |
159 |
219 |
102 |
67 |
0 |
| VODI |
0 |
0 |
29 |
119 |
217 |
291 |
248 |
13 |
| ODI |
0 |
0 |
16 |
72 |
129 |
327 |
461 |
1 |
| CDI |
0 |
0 |
1 |
43 |
129 |
678 |
2409 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
17 |
81 |
2668 |
3865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17053 |
5984 |
1231 |
772 |
459 |
150 |
84 |
4 |
| OW |
0 |
33 |
98 |
120 |
162 |
146 |
100 |
7 |
| VODI |
0 |
15 |
33 |
144 |
119 |
260 |
302 |
2 |
| ODI |
0 |
1 |
35 |
91 |
115 |
278 |
434 |
1 |
| CDI |
0 |
0 |
17 |
92 |
153 |
460 |
1839 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
63 |
270 |
3143 |
3865 |
|
Date: 2016-05-27:
| 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 |
17036 |
6377 |
1351 |
670 |
287 |
112 |
56 |
0 |
| OW |
0 |
21 |
116 |
158 |
211 |
164 |
96 |
7 |
| VODI |
0 |
2 |
92 |
126 |
139 |
250 |
327 |
6 |
| ODI |
0 |
0 |
39 |
98 |
147 |
217 |
585 |
1 |
| CDI |
0 |
0 |
10 |
80 |
132 |
298 |
2525 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
23 |
35 |
2496 |
3852 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17036 |
6256 |
1217 |
637 |
385 |
256 |
122 |
6 |
| OW |
0 |
75 |
117 |
115 |
102 |
107 |
169 |
5 |
| VODI |
0 |
41 |
100 |
110 |
125 |
184 |
401 |
2 |
| ODI |
0 |
14 |
84 |
74 |
96 |
193 |
551 |
1 |
| CDI |
0 |
14 |
89 |
177 |
152 |
194 |
1977 |
0 |
| VCDI |
0 |
0 |
1 |
36 |
79 |
142 |
2865 |
3852 |
|
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