Validation of sea ice concentration
Bulletin date: 2017-03-16
Model vs. observations, sea ice class contingency tables
Date: 2017-03-10:
| 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 |
13747 |
6222 |
781 |
294 |
74 |
30 |
7 |
0 |
| OW |
0 |
35 |
148 |
147 |
63 |
32 |
24 |
0 |
| VODI |
0 |
2 |
98 |
177 |
130 |
97 |
79 |
0 |
| ODI |
0 |
0 |
35 |
99 |
119 |
159 |
153 |
0 |
| CDI |
0 |
0 |
17 |
70 |
121 |
234 |
524 |
37 |
| VCDI |
0 |
0 |
7 |
25 |
115 |
543 |
8525 |
5189 |
|
...date precedes bulletin
|
Date: 2017-03-14:
| 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 |
13709 |
6446 |
822 |
214 |
69 |
29 |
14 |
0 |
| OW |
0 |
16 |
128 |
129 |
68 |
47 |
15 |
0 |
| VODI |
0 |
1 |
74 |
140 |
133 |
118 |
38 |
0 |
| ODI |
0 |
0 |
17 |
78 |
134 |
176 |
105 |
0 |
| CDI |
0 |
0 |
8 |
45 |
126 |
328 |
574 |
5 |
| VCDI |
0 |
0 |
10 |
42 |
86 |
659 |
8227 |
5329 |
|
...date precedes bulletin
|
Date: 2017-03-16:
| 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 |
13694 |
6601 |
651 |
323 |
46 |
14 |
13 |
0 |
| OW |
0 |
34 |
162 |
199 |
67 |
29 |
23 |
0 |
| VODI |
0 |
7 |
94 |
219 |
133 |
91 |
53 |
0 |
| ODI |
0 |
0 |
33 |
145 |
142 |
167 |
145 |
2 |
| CDI |
0 |
0 |
12 |
125 |
145 |
297 |
453 |
20 |
| VCDI |
0 |
0 |
19 |
137 |
238 |
924 |
8248 |
4454 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13694 |
6608 |
663 |
339 |
43 |
19 |
14 |
0 |
| OW |
0 |
26 |
152 |
184 |
66 |
25 |
19 |
0 |
| VODI |
0 |
8 |
84 |
221 |
130 |
82 |
52 |
0 |
| ODI |
0 |
0 |
39 |
145 |
142 |
153 |
140 |
0 |
| CDI |
0 |
0 |
14 |
126 |
151 |
292 |
449 |
22 |
| VCDI |
0 |
0 |
19 |
133 |
239 |
951 |
8261 |
4454 |
|
Date: 2017-03-20:
| 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 |
13414 |
6718 |
701 |
562 |
95 |
53 |
13 |
0 |
| OW |
0 |
69 |
177 |
255 |
78 |
35 |
22 |
0 |
| VODI |
0 |
15 |
103 |
302 |
180 |
123 |
85 |
3 |
| ODI |
0 |
0 |
35 |
150 |
141 |
168 |
130 |
4 |
| CDI |
0 |
0 |
20 |
66 |
139 |
371 |
457 |
12 |
| VCDI |
0 |
0 |
9 |
77 |
131 |
809 |
8249 |
4188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13414 |
6604 |
586 |
544 |
115 |
80 |
35 |
0 |
| OW |
0 |
100 |
168 |
239 |
85 |
47 |
31 |
0 |
| VODI |
0 |
60 |
142 |
235 |
128 |
161 |
103 |
3 |
| ODI |
0 |
29 |
76 |
159 |
113 |
151 |
141 |
6 |
| CDI |
0 |
9 |
37 |
124 |
122 |
305 |
517 |
8 |
| VCDI |
0 |
0 |
36 |
111 |
201 |
815 |
8129 |
4190 |
|
Date: 2017-03-22:
| 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 |
13392 |
6664 |
662 |
530 |
101 |
40 |
15 |
0 |
| OW |
0 |
88 |
257 |
233 |
83 |
47 |
18 |
0 |
| VODI |
0 |
45 |
165 |
257 |
164 |
153 |
50 |
0 |
| ODI |
0 |
3 |
49 |
166 |
135 |
142 |
107 |
0 |
| CDI |
0 |
0 |
24 |
123 |
161 |
248 |
486 |
10 |
| VCDI |
0 |
0 |
35 |
58 |
145 |
724 |
7796 |
4783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13392 |
6548 |
513 |
533 |
130 |
68 |
44 |
0 |
| OW |
0 |
123 |
265 |
187 |
77 |
74 |
34 |
0 |
| VODI |
0 |
103 |
178 |
216 |
139 |
156 |
72 |
0 |
| ODI |
0 |
20 |
114 |
192 |
130 |
125 |
145 |
0 |
| CDI |
0 |
6 |
71 |
129 |
121 |
267 |
529 |
4 |
| VCDI |
0 |
0 |
51 |
110 |
192 |
664 |
7648 |
4789 |
|
Date: 2017-03-24:
| 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 |
13370 |
6751 |
668 |
454 |
111 |
48 |
22 |
0 |
| OW |
0 |
137 |
232 |
235 |
111 |
46 |
32 |
0 |
| VODI |
0 |
82 |
151 |
225 |
140 |
126 |
96 |
0 |
| ODI |
0 |
33 |
74 |
128 |
128 |
131 |
134 |
1 |
| CDI |
0 |
23 |
36 |
118 |
121 |
255 |
518 |
16 |
| VCDI |
0 |
19 |
32 |
54 |
110 |
405 |
8269 |
4517 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13370 |
6629 |
543 |
466 |
121 |
70 |
73 |
0 |
| OW |
0 |
163 |
188 |
168 |
90 |
64 |
56 |
0 |
| VODI |
0 |
121 |
216 |
212 |
139 |
130 |
106 |
0 |
| ODI |
0 |
48 |
111 |
155 |
123 |
118 |
205 |
0 |
| CDI |
0 |
38 |
53 |
102 |
99 |
207 |
516 |
36 |
| VCDI |
0 |
46 |
82 |
111 |
149 |
422 |
8115 |
4498 |
|
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