Validation of sea ice concentration
Bulletin date: 2017-05-25
Model vs. observations, sea ice class contingency tables
Date: 2017-05-19:
| 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 |
14142 |
6248 |
595 |
396 |
168 |
34 |
14 |
0 |
| OW |
0 |
33 |
93 |
117 |
104 |
77 |
41 |
0 |
| VODI |
0 |
7 |
50 |
154 |
142 |
137 |
182 |
0 |
| ODI |
0 |
0 |
7 |
94 |
99 |
147 |
439 |
0 |
| CDI |
0 |
0 |
3 |
67 |
96 |
293 |
1565 |
4 |
| VCDI |
0 |
0 |
0 |
31 |
144 |
535 |
7980 |
3921 |
|
...date precedes bulletin
|
Date: 2017-05-23:
| 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 |
13922 |
6150 |
964 |
406 |
251 |
68 |
26 |
0 |
| OW |
0 |
5 |
98 |
124 |
163 |
99 |
54 |
0 |
| VODI |
0 |
1 |
50 |
103 |
162 |
186 |
140 |
0 |
| ODI |
0 |
1 |
30 |
62 |
126 |
186 |
426 |
2 |
| CDI |
0 |
0 |
20 |
54 |
152 |
320 |
1956 |
32 |
| VCDI |
0 |
0 |
0 |
15 |
20 |
147 |
6698 |
4940 |
|
...date precedes bulletin
|
Date: 2017-05-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-05-29:
| 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 |
14506 |
6094 |
836 |
591 |
102 |
25 |
22 |
0 |
| OW |
0 |
18 |
129 |
312 |
108 |
56 |
27 |
0 |
| VODI |
0 |
3 |
78 |
292 |
192 |
146 |
132 |
0 |
| ODI |
0 |
0 |
15 |
157 |
186 |
256 |
372 |
1 |
| CDI |
0 |
0 |
1 |
109 |
235 |
858 |
1711 |
19 |
| VCDI |
0 |
0 |
2 |
21 |
73 |
616 |
6199 |
3659 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14506 |
6104 |
832 |
557 |
124 |
47 |
34 |
0 |
| OW |
0 |
7 |
102 |
242 |
102 |
49 |
41 |
0 |
| VODI |
0 |
4 |
55 |
239 |
142 |
142 |
255 |
0 |
| ODI |
0 |
0 |
49 |
204 |
113 |
156 |
347 |
4 |
| CDI |
0 |
0 |
20 |
185 |
297 |
722 |
1301 |
44 |
| VCDI |
0 |
0 |
3 |
55 |
118 |
841 |
6485 |
3631 |
|
Date: 2017-05-31:
| 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 |
14384 |
6453 |
971 |
517 |
119 |
50 |
24 |
0 |
| OW |
0 |
20 |
176 |
183 |
166 |
69 |
36 |
0 |
| VODI |
0 |
2 |
116 |
242 |
169 |
124 |
185 |
0 |
| ODI |
0 |
0 |
41 |
184 |
211 |
233 |
401 |
0 |
| CDI |
0 |
0 |
11 |
158 |
328 |
346 |
1744 |
10 |
| VCDI |
0 |
0 |
0 |
16 |
85 |
213 |
6424 |
3748 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14384 |
6422 |
929 |
472 |
153 |
81 |
37 |
0 |
| OW |
0 |
23 |
171 |
162 |
114 |
61 |
43 |
0 |
| VODI |
0 |
28 |
85 |
194 |
159 |
134 |
315 |
0 |
| ODI |
0 |
2 |
100 |
182 |
126 |
105 |
347 |
3 |
| CDI |
0 |
0 |
29 |
247 |
376 |
389 |
1355 |
34 |
| VCDI |
0 |
0 |
1 |
43 |
150 |
265 |
6717 |
3721 |
|
Date: 2017-06-02:
| 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 |
14496 |
6661 |
757 |
523 |
195 |
58 |
23 |
0 |
| OW |
0 |
79 |
115 |
194 |
145 |
72 |
45 |
0 |
| VODI |
0 |
14 |
81 |
271 |
204 |
133 |
215 |
0 |
| ODI |
0 |
0 |
30 |
240 |
275 |
244 |
399 |
6 |
| CDI |
0 |
0 |
42 |
212 |
331 |
446 |
1789 |
53 |
| VCDI |
0 |
0 |
10 |
38 |
198 |
381 |
5439 |
3745 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14496 |
6650 |
728 |
511 |
206 |
71 |
41 |
0 |
| OW |
0 |
66 |
101 |
185 |
124 |
72 |
58 |
0 |
| VODI |
0 |
33 |
89 |
235 |
179 |
114 |
305 |
0 |
| ODI |
0 |
5 |
71 |
225 |
212 |
161 |
292 |
1 |
| CDI |
0 |
0 |
22 |
222 |
371 |
477 |
1566 |
52 |
| VCDI |
0 |
0 |
24 |
100 |
256 |
439 |
5648 |
3751 |
|
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