Validation of sea ice concentration
Bulletin date: 2018-02-08
Model vs. observations, sea ice class contingency tables
Date: 2018-02-02:
| 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 |
14169 |
6682 |
1033 |
456 |
253 |
151 |
13 |
0 |
| OW |
0 |
9 |
123 |
147 |
95 |
144 |
36 |
0 |
| VODI |
0 |
4 |
54 |
168 |
104 |
222 |
108 |
1 |
| ODI |
0 |
1 |
15 |
55 |
103 |
275 |
180 |
4 |
| CDI |
0 |
0 |
7 |
52 |
86 |
304 |
469 |
1 |
| VCDI |
0 |
0 |
0 |
21 |
99 |
706 |
6863 |
4946 |
|
...date precedes bulletin
|
Date: 2018-02-06:
| 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 |
14178 |
6961 |
1392 |
477 |
151 |
58 |
7 |
0 |
| OW |
0 |
51 |
152 |
193 |
97 |
62 |
10 |
0 |
| VODI |
0 |
9 |
138 |
182 |
177 |
130 |
37 |
0 |
| ODI |
0 |
0 |
72 |
144 |
210 |
242 |
165 |
0 |
| CDI |
0 |
0 |
28 |
124 |
193 |
372 |
568 |
11 |
| VCDI |
0 |
0 |
21 |
148 |
249 |
832 |
6855 |
3463 |
|
...date precedes bulletin
|
Date: 2018-02-08:
| 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 |
14481 |
7092 |
1121 |
317 |
103 |
29 |
1 |
0 |
| OW |
0 |
100 |
201 |
179 |
82 |
29 |
10 |
0 |
| VODI |
0 |
58 |
124 |
206 |
118 |
67 |
64 |
0 |
| ODI |
0 |
22 |
71 |
123 |
150 |
168 |
249 |
1 |
| CDI |
0 |
13 |
44 |
140 |
219 |
297 |
544 |
22 |
| VCDI |
0 |
5 |
88 |
133 |
342 |
729 |
6680 |
3737 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14481 |
7101 |
1144 |
332 |
105 |
30 |
5 |
0 |
| OW |
0 |
98 |
182 |
160 |
77 |
20 |
6 |
0 |
| VODI |
0 |
52 |
125 |
197 |
122 |
69 |
62 |
0 |
| ODI |
0 |
21 |
69 |
142 |
140 |
147 |
230 |
1 |
| CDI |
0 |
13 |
40 |
140 |
193 |
305 |
482 |
21 |
| VCDI |
0 |
5 |
89 |
127 |
377 |
748 |
6763 |
3738 |
|
Date: 2018-02-12:
| 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 |
14478 |
7375 |
1438 |
306 |
139 |
33 |
2 |
0 |
| OW |
0 |
46 |
161 |
157 |
151 |
52 |
12 |
0 |
| VODI |
0 |
33 |
132 |
319 |
277 |
126 |
41 |
0 |
| ODI |
0 |
31 |
47 |
171 |
333 |
295 |
204 |
0 |
| CDI |
0 |
25 |
29 |
114 |
253 |
428 |
575 |
2 |
| VCDI |
1 |
7 |
15 |
65 |
162 |
707 |
6735 |
2682 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14478 |
7236 |
1096 |
240 |
149 |
41 |
1 |
0 |
| OW |
0 |
105 |
267 |
97 |
86 |
30 |
9 |
0 |
| VODI |
0 |
64 |
201 |
218 |
147 |
61 |
31 |
0 |
| ODI |
0 |
34 |
126 |
191 |
223 |
121 |
107 |
0 |
| CDI |
0 |
19 |
67 |
165 |
279 |
332 |
413 |
1 |
| VCDI |
1 |
59 |
65 |
221 |
431 |
1056 |
7008 |
2683 |
|
Date: 2018-02-14:
| 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 |
14884 |
7225 |
1009 |
309 |
185 |
106 |
4 |
0 |
| OW |
0 |
64 |
164 |
116 |
107 |
96 |
13 |
0 |
| VODI |
0 |
48 |
129 |
153 |
197 |
175 |
47 |
0 |
| ODI |
0 |
27 |
82 |
116 |
181 |
382 |
219 |
0 |
| CDI |
0 |
30 |
59 |
145 |
156 |
392 |
689 |
7 |
| VCDI |
0 |
341 |
31 |
114 |
164 |
632 |
7380 |
1981 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14884 |
7059 |
784 |
234 |
139 |
79 |
3 |
0 |
| OW |
0 |
147 |
178 |
91 |
94 |
50 |
7 |
0 |
| VODI |
0 |
91 |
189 |
115 |
141 |
123 |
23 |
0 |
| ODI |
0 |
31 |
114 |
121 |
185 |
182 |
142 |
0 |
| CDI |
0 |
29 |
108 |
138 |
163 |
351 |
482 |
18 |
| VCDI |
0 |
378 |
101 |
254 |
268 |
998 |
7695 |
1970 |
|
Date: 2018-02-16:
| 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 |
14939 |
7090 |
939 |
337 |
166 |
86 |
4 |
0 |
| OW |
0 |
65 |
182 |
109 |
87 |
78 |
19 |
0 |
| VODI |
0 |
31 |
141 |
121 |
162 |
209 |
102 |
0 |
| ODI |
0 |
11 |
74 |
81 |
120 |
378 |
237 |
3 |
| CDI |
0 |
18 |
50 |
62 |
115 |
423 |
613 |
83 |
| VCDI |
0 |
351 |
47 |
105 |
111 |
603 |
7696 |
2111 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14939 |
6885 |
691 |
280 |
147 |
101 |
13 |
0 |
| OW |
0 |
172 |
153 |
73 |
61 |
73 |
6 |
0 |
| VODI |
0 |
80 |
186 |
99 |
123 |
148 |
34 |
0 |
| ODI |
0 |
36 |
123 |
90 |
89 |
252 |
163 |
0 |
| CDI |
0 |
14 |
126 |
95 |
116 |
358 |
448 |
30 |
| VCDI |
0 |
379 |
154 |
178 |
225 |
845 |
8007 |
2167 |
|
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