Validation of sea ice concentration
Bulletin date: 2016-12-15
Model vs. observations, sea ice class contingency tables
Date: 2016-12-09:
| 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 |
16366 |
8379 |
878 |
462 |
122 |
150 |
33 |
0 |
| OW |
0 |
96 |
221 |
201 |
125 |
69 |
7 |
0 |
| VODI |
0 |
51 |
141 |
144 |
170 |
105 |
35 |
0 |
| ODI |
0 |
9 |
100 |
120 |
129 |
157 |
59 |
0 |
| CDI |
0 |
1 |
67 |
100 |
80 |
190 |
163 |
17 |
| VCDI |
0 |
0 |
34 |
147 |
216 |
468 |
4800 |
3547 |
|
...date precedes bulletin
|
Date: 2016-12-13:
| 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 |
16375 |
7950 |
915 |
416 |
207 |
64 |
99 |
0 |
| OW |
0 |
96 |
108 |
138 |
103 |
48 |
18 |
0 |
| VODI |
0 |
50 |
57 |
140 |
180 |
146 |
37 |
0 |
| ODI |
0 |
17 |
36 |
57 |
162 |
259 |
56 |
0 |
| CDI |
0 |
12 |
21 |
65 |
91 |
398 |
290 |
0 |
| VCDI |
0 |
0 |
14 |
28 |
69 |
772 |
5536 |
3129 |
|
...date precedes bulletin
|
Date: 2016-12-15:
| 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 |
16320 |
7821 |
801 |
281 |
175 |
126 |
93 |
0 |
| OW |
0 |
89 |
168 |
120 |
98 |
70 |
28 |
0 |
| VODI |
0 |
41 |
126 |
114 |
121 |
160 |
45 |
0 |
| ODI |
0 |
12 |
56 |
73 |
118 |
206 |
101 |
0 |
| CDI |
0 |
1 |
35 |
53 |
107 |
300 |
389 |
0 |
| VCDI |
0 |
0 |
25 |
48 |
112 |
500 |
5636 |
3590 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16320 |
7823 |
819 |
287 |
184 |
138 |
97 |
0 |
| OW |
0 |
81 |
139 |
115 |
86 |
69 |
26 |
0 |
| VODI |
0 |
36 |
132 |
107 |
126 |
156 |
47 |
0 |
| ODI |
0 |
19 |
59 |
76 |
102 |
203 |
87 |
0 |
| CDI |
0 |
5 |
34 |
51 |
102 |
298 |
403 |
0 |
| VCDI |
0 |
0 |
28 |
53 |
131 |
498 |
5632 |
3590 |
|
Date: 2016-12-19:
| 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 |
16614 |
7150 |
1136 |
430 |
140 |
64 |
101 |
0 |
| OW |
0 |
51 |
182 |
185 |
150 |
38 |
30 |
0 |
| VODI |
0 |
33 |
92 |
151 |
172 |
127 |
52 |
0 |
| ODI |
0 |
28 |
21 |
73 |
172 |
214 |
143 |
0 |
| CDI |
0 |
21 |
13 |
29 |
128 |
340 |
398 |
0 |
| VCDI |
0 |
9 |
28 |
28 |
99 |
743 |
5790 |
2984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16614 |
7079 |
973 |
355 |
120 |
56 |
113 |
0 |
| OW |
0 |
93 |
190 |
141 |
72 |
27 |
30 |
0 |
| VODI |
0 |
51 |
160 |
176 |
145 |
85 |
47 |
0 |
| ODI |
0 |
30 |
66 |
111 |
166 |
158 |
124 |
0 |
| CDI |
0 |
22 |
33 |
65 |
176 |
285 |
340 |
5 |
| VCDI |
0 |
17 |
50 |
48 |
182 |
915 |
5860 |
2979 |
|
Date: 2016-12-21:
| 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 |
16581 |
7492 |
912 |
370 |
148 |
89 |
137 |
0 |
| OW |
0 |
130 |
171 |
226 |
95 |
34 |
40 |
0 |
| VODI |
0 |
99 |
122 |
243 |
127 |
92 |
71 |
0 |
| ODI |
0 |
25 |
81 |
165 |
100 |
144 |
160 |
0 |
| CDI |
0 |
1 |
55 |
127 |
118 |
180 |
394 |
6 |
| VCDI |
0 |
0 |
34 |
153 |
217 |
484 |
5807 |
2729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16581 |
7369 |
790 |
319 |
140 |
99 |
161 |
0 |
| OW |
0 |
154 |
174 |
126 |
65 |
31 |
29 |
0 |
| VODI |
0 |
126 |
138 |
203 |
121 |
102 |
80 |
0 |
| ODI |
0 |
72 |
101 |
188 |
122 |
115 |
160 |
0 |
| CDI |
0 |
26 |
77 |
176 |
104 |
160 |
380 |
4 |
| VCDI |
0 |
0 |
95 |
272 |
253 |
516 |
5799 |
2731 |
|
Date: 2016-12-23:
| 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 |
16607 |
7538 |
872 |
260 |
107 |
79 |
101 |
0 |
| OW |
0 |
360 |
236 |
103 |
33 |
48 |
51 |
0 |
| VODI |
0 |
273 |
286 |
230 |
112 |
76 |
51 |
0 |
| ODI |
0 |
120 |
188 |
212 |
125 |
83 |
79 |
1 |
| CDI |
0 |
28 |
136 |
185 |
147 |
109 |
311 |
44 |
| VCDI |
0 |
45 |
175 |
264 |
349 |
466 |
4617 |
3052 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16607 |
7371 |
860 |
242 |
136 |
108 |
140 |
0 |
| OW |
0 |
251 |
169 |
87 |
35 |
46 |
33 |
0 |
| VODI |
0 |
268 |
165 |
146 |
77 |
69 |
50 |
0 |
| ODI |
0 |
194 |
139 |
148 |
113 |
103 |
109 |
8 |
| CDI |
0 |
147 |
194 |
128 |
146 |
86 |
324 |
54 |
| VCDI |
0 |
133 |
366 |
503 |
366 |
449 |
4554 |
3035 |
|
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