Validation of sea ice concentration
Bulletin date: 2017-04-06
Model vs. observations, sea ice class contingency tables
Date: 2017-03-31:
| 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 |
12614 |
6428 |
804 |
634 |
255 |
154 |
72 |
0 |
| OW |
0 |
22 |
139 |
173 |
102 |
65 |
69 |
0 |
| VODI |
0 |
11 |
155 |
224 |
223 |
188 |
120 |
0 |
| ODI |
0 |
19 |
34 |
100 |
134 |
227 |
169 |
0 |
| CDI |
0 |
1 |
3 |
38 |
77 |
259 |
675 |
42 |
| VCDI |
0 |
0 |
0 |
12 |
37 |
197 |
7629 |
6054 |
|
...date precedes bulletin
|
Date: 2017-04-04:
| 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 |
12967 |
6161 |
1104 |
474 |
132 |
72 |
30 |
0 |
| OW |
0 |
4 |
178 |
153 |
92 |
60 |
30 |
0 |
| VODI |
0 |
0 |
119 |
197 |
239 |
139 |
44 |
0 |
| ODI |
0 |
0 |
33 |
128 |
190 |
158 |
124 |
0 |
| CDI |
0 |
0 |
3 |
49 |
160 |
391 |
438 |
13 |
| VCDI |
0 |
0 |
0 |
33 |
103 |
707 |
7913 |
5521 |
|
...date precedes bulletin
|
Date: 2017-04-06:
| 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 |
13067 |
6079 |
951 |
504 |
206 |
80 |
6 |
0 |
| OW |
0 |
17 |
159 |
139 |
96 |
67 |
10 |
0 |
| VODI |
0 |
4 |
98 |
174 |
133 |
125 |
23 |
0 |
| ODI |
0 |
0 |
30 |
78 |
137 |
361 |
80 |
0 |
| CDI |
0 |
0 |
9 |
41 |
128 |
382 |
425 |
20 |
| VCDI |
0 |
0 |
0 |
30 |
110 |
439 |
8559 |
5392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13067 |
6080 |
971 |
527 |
229 |
95 |
9 |
0 |
| OW |
0 |
15 |
150 |
127 |
86 |
64 |
8 |
0 |
| VODI |
0 |
5 |
86 |
171 |
127 |
144 |
24 |
0 |
| ODI |
0 |
0 |
30 |
75 |
128 |
302 |
87 |
0 |
| CDI |
0 |
0 |
9 |
38 |
128 |
375 |
439 |
17 |
| VCDI |
0 |
0 |
1 |
28 |
112 |
474 |
8536 |
5395 |
|
Date: 2017-04-10:
| 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 |
13156 |
6482 |
817 |
376 |
149 |
45 |
3 |
0 |
| OW |
0 |
102 |
163 |
150 |
76 |
39 |
12 |
0 |
| VODI |
0 |
26 |
108 |
115 |
143 |
135 |
57 |
0 |
| ODI |
0 |
3 |
28 |
49 |
136 |
231 |
180 |
13 |
| CDI |
0 |
2 |
12 |
28 |
71 |
245 |
551 |
86 |
| VCDI |
0 |
0 |
1 |
10 |
44 |
295 |
8634 |
5386 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13156 |
6401 |
749 |
326 |
155 |
49 |
16 |
0 |
| OW |
0 |
124 |
159 |
117 |
66 |
53 |
34 |
0 |
| VODI |
0 |
50 |
136 |
153 |
93 |
108 |
72 |
0 |
| ODI |
0 |
25 |
57 |
79 |
131 |
199 |
184 |
12 |
| CDI |
0 |
13 |
24 |
32 |
105 |
238 |
470 |
77 |
| VCDI |
0 |
2 |
4 |
21 |
69 |
343 |
8661 |
5396 |
|
Date: 2017-04-12:
| 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 |
13174 |
6603 |
625 |
424 |
143 |
19 |
5 |
0 |
| OW |
0 |
84 |
163 |
146 |
75 |
25 |
10 |
0 |
| VODI |
0 |
30 |
149 |
162 |
110 |
84 |
37 |
0 |
| ODI |
0 |
1 |
69 |
99 |
143 |
213 |
129 |
0 |
| CDI |
0 |
0 |
11 |
62 |
157 |
229 |
537 |
29 |
| VCDI |
0 |
0 |
2 |
37 |
106 |
281 |
8730 |
5256 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13174 |
6511 |
547 |
388 |
141 |
24 |
12 |
0 |
| OW |
0 |
129 |
154 |
135 |
57 |
31 |
29 |
0 |
| VODI |
0 |
54 |
159 |
172 |
111 |
68 |
85 |
0 |
| ODI |
0 |
21 |
114 |
96 |
135 |
175 |
137 |
0 |
| CDI |
0 |
3 |
38 |
78 |
148 |
238 |
521 |
22 |
| VCDI |
0 |
0 |
7 |
61 |
142 |
315 |
8664 |
5263 |
|
Date: 2017-04-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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