Validation of sea ice concentration
Bulletin date: 2017-11-09
Model vs. observations, sea ice class contingency tables
Date: 2017-11-03:
| 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 |
19905 |
7139 |
1196 |
452 |
212 |
176 |
148 |
0 |
| OW |
0 |
25 |
143 |
164 |
164 |
98 |
46 |
0 |
| VODI |
0 |
1 |
63 |
157 |
119 |
103 |
79 |
0 |
| ODI |
0 |
0 |
22 |
91 |
56 |
92 |
114 |
0 |
| CDI |
0 |
0 |
6 |
79 |
70 |
63 |
191 |
1 |
| VCDI |
0 |
0 |
2 |
41 |
94 |
230 |
3645 |
2972 |
|
...date precedes bulletin
|
Date: 2017-11-07:
| 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 |
20103 |
6138 |
1153 |
615 |
355 |
192 |
44 |
0 |
| OW |
0 |
8 |
121 |
251 |
212 |
116 |
39 |
0 |
| VODI |
0 |
4 |
18 |
125 |
249 |
302 |
64 |
0 |
| ODI |
0 |
0 |
5 |
50 |
99 |
246 |
114 |
0 |
| CDI |
0 |
0 |
3 |
11 |
47 |
266 |
252 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
14 |
288 |
3387 |
3266 |
|
...date precedes bulletin
|
Date: 2017-11-09:
| 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 |
19669 |
6649 |
861 |
288 |
253 |
201 |
4 |
0 |
| OW |
0 |
56 |
155 |
153 |
232 |
148 |
13 |
0 |
| VODI |
0 |
2 |
46 |
53 |
151 |
629 |
60 |
0 |
| ODI |
0 |
0 |
24 |
24 |
43 |
390 |
174 |
0 |
| CDI |
0 |
0 |
10 |
8 |
30 |
229 |
424 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
17 |
310 |
3449 |
3399 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19669 |
6658 |
907 |
325 |
296 |
207 |
7 |
0 |
| OW |
0 |
47 |
112 |
107 |
184 |
183 |
19 |
0 |
| VODI |
0 |
2 |
40 |
68 |
151 |
625 |
72 |
0 |
| ODI |
0 |
0 |
24 |
16 |
51 |
361 |
195 |
0 |
| CDI |
0 |
0 |
10 |
10 |
22 |
210 |
372 |
0 |
| VCDI |
0 |
0 |
3 |
5 |
22 |
321 |
3459 |
3399 |
|
Date: 2017-11-13:
| 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 |
19231 |
6740 |
1200 |
425 |
223 |
95 |
45 |
0 |
| OW |
0 |
38 |
183 |
149 |
124 |
46 |
7 |
0 |
| VODI |
0 |
1 |
110 |
125 |
217 |
136 |
28 |
0 |
| ODI |
0 |
0 |
49 |
67 |
171 |
280 |
48 |
0 |
| CDI |
0 |
0 |
15 |
16 |
63 |
335 |
579 |
0 |
| VCDI |
0 |
0 |
13 |
12 |
22 |
525 |
4224 |
2617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19231 |
6582 |
884 |
350 |
208 |
93 |
44 |
0 |
| OW |
0 |
129 |
245 |
100 |
76 |
23 |
0 |
0 |
| VODI |
0 |
60 |
223 |
152 |
170 |
60 |
18 |
0 |
| ODI |
0 |
8 |
145 |
112 |
216 |
236 |
104 |
0 |
| CDI |
0 |
0 |
48 |
53 |
90 |
312 |
324 |
0 |
| VCDI |
0 |
0 |
25 |
27 |
60 |
693 |
4441 |
2617 |
|
Date: 2017-11-15:
| 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 |
19201 |
6921 |
1002 |
365 |
201 |
89 |
73 |
0 |
| OW |
0 |
100 |
161 |
122 |
78 |
21 |
5 |
0 |
| VODI |
0 |
35 |
154 |
168 |
163 |
109 |
43 |
0 |
| ODI |
0 |
3 |
65 |
115 |
109 |
120 |
61 |
0 |
| CDI |
0 |
0 |
24 |
86 |
99 |
187 |
310 |
0 |
| VCDI |
0 |
0 |
8 |
41 |
69 |
456 |
4500 |
2895 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19201 |
6605 |
728 |
271 |
134 |
69 |
75 |
0 |
| OW |
0 |
242 |
233 |
84 |
54 |
20 |
13 |
0 |
| VODI |
0 |
156 |
214 |
157 |
123 |
75 |
25 |
0 |
| ODI |
0 |
52 |
133 |
176 |
160 |
104 |
87 |
0 |
| CDI |
0 |
4 |
84 |
116 |
131 |
193 |
304 |
0 |
| VCDI |
0 |
0 |
22 |
93 |
117 |
521 |
4488 |
2895 |
|
Date: 2017-11-17:
| 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 |
18883 |
6641 |
983 |
339 |
186 |
151 |
120 |
0 |
| OW |
0 |
205 |
162 |
110 |
49 |
37 |
13 |
0 |
| VODI |
0 |
41 |
184 |
160 |
152 |
78 |
46 |
0 |
| ODI |
0 |
0 |
103 |
138 |
148 |
229 |
91 |
0 |
| CDI |
0 |
0 |
36 |
82 |
84 |
263 |
165 |
18 |
| VCDI |
0 |
0 |
5 |
31 |
135 |
601 |
4235 |
3255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18882 |
6468 |
838 |
228 |
107 |
97 |
122 |
0 |
| OW |
1 |
195 |
151 |
104 |
57 |
38 |
23 |
0 |
| VODI |
0 |
181 |
198 |
119 |
102 |
71 |
36 |
0 |
| ODI |
0 |
34 |
151 |
196 |
194 |
132 |
55 |
0 |
| CDI |
0 |
9 |
92 |
128 |
116 |
263 |
194 |
15 |
| VCDI |
0 |
0 |
43 |
85 |
178 |
758 |
4240 |
3258 |
|
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