Validation of sea ice concentration
Bulletin date: 2017-11-30
Model vs. observations, sea ice class contingency tables
Date: 2017-11-24:
| 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 |
17288 |
7249 |
786 |
415 |
191 |
124 |
98 |
0 |
| OW |
0 |
181 |
111 |
115 |
85 |
70 |
19 |
0 |
| VODI |
0 |
53 |
89 |
81 |
99 |
132 |
57 |
0 |
| ODI |
0 |
13 |
46 |
58 |
71 |
207 |
76 |
0 |
| CDI |
0 |
14 |
22 |
48 |
52 |
442 |
343 |
0 |
| VCDI |
0 |
13 |
20 |
52 |
126 |
1100 |
5165 |
3048 |
|
...date precedes bulletin
|
Date: 2017-11-28:
| 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 |
16235 |
7198 |
1110 |
472 |
306 |
260 |
221 |
0 |
| OW |
0 |
28 |
110 |
118 |
126 |
127 |
26 |
0 |
| VODI |
0 |
4 |
66 |
105 |
180 |
192 |
64 |
0 |
| ODI |
0 |
0 |
16 |
39 |
103 |
205 |
106 |
2 |
| CDI |
0 |
0 |
6 |
25 |
134 |
280 |
339 |
37 |
| VCDI |
0 |
0 |
0 |
10 |
50 |
344 |
5784 |
3731 |
|
...date precedes bulletin
|
Date: 2017-11-30:
| 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 |
16080 |
7370 |
903 |
473 |
290 |
270 |
158 |
0 |
| OW |
0 |
13 |
149 |
160 |
90 |
100 |
38 |
0 |
| VODI |
0 |
4 |
69 |
141 |
127 |
173 |
92 |
0 |
| ODI |
0 |
0 |
9 |
56 |
153 |
205 |
166 |
5 |
| CDI |
0 |
0 |
5 |
19 |
90 |
222 |
338 |
40 |
| VCDI |
0 |
0 |
0 |
10 |
54 |
383 |
5859 |
3845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16080 |
7377 |
949 |
492 |
308 |
263 |
159 |
0 |
| OW |
0 |
7 |
118 |
150 |
76 |
109 |
43 |
0 |
| VODI |
0 |
3 |
55 |
136 |
140 |
186 |
105 |
0 |
| ODI |
0 |
0 |
8 |
53 |
142 |
209 |
142 |
7 |
| CDI |
0 |
0 |
5 |
19 |
77 |
212 |
334 |
43 |
| VCDI |
0 |
0 |
0 |
9 |
61 |
374 |
5868 |
3840 |
|
Date: 2017-12-04:
| 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 |
15868 |
7603 |
1133 |
619 |
403 |
221 |
42 |
0 |
| OW |
0 |
116 |
257 |
143 |
124 |
43 |
8 |
0 |
| VODI |
0 |
8 |
156 |
135 |
132 |
114 |
20 |
0 |
| ODI |
0 |
0 |
48 |
93 |
100 |
202 |
81 |
0 |
| CDI |
0 |
0 |
11 |
65 |
107 |
308 |
219 |
0 |
| VCDI |
0 |
0 |
4 |
61 |
147 |
720 |
5546 |
3302 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15868 |
7448 |
911 |
519 |
381 |
218 |
46 |
0 |
| OW |
0 |
175 |
206 |
70 |
58 |
48 |
11 |
0 |
| VODI |
0 |
94 |
265 |
145 |
114 |
72 |
20 |
0 |
| ODI |
0 |
10 |
126 |
132 |
97 |
136 |
51 |
0 |
| CDI |
0 |
0 |
70 |
111 |
112 |
310 |
207 |
0 |
| VCDI |
0 |
0 |
31 |
139 |
251 |
824 |
5581 |
3302 |
|
Date: 2017-12-06:
| 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 |
16056 |
7486 |
916 |
429 |
347 |
237 |
40 |
0 |
| OW |
0 |
98 |
281 |
147 |
112 |
47 |
12 |
0 |
| VODI |
0 |
33 |
116 |
140 |
146 |
95 |
36 |
0 |
| ODI |
0 |
21 |
17 |
81 |
108 |
113 |
86 |
0 |
| CDI |
0 |
14 |
20 |
33 |
125 |
267 |
282 |
14 |
| VCDI |
0 |
4 |
51 |
69 |
153 |
617 |
5925 |
3385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16056 |
7278 |
793 |
403 |
345 |
258 |
51 |
0 |
| OW |
0 |
185 |
153 |
74 |
69 |
44 |
14 |
0 |
| VODI |
0 |
114 |
206 |
116 |
115 |
58 |
46 |
0 |
| ODI |
0 |
42 |
114 |
105 |
107 |
109 |
87 |
2 |
| CDI |
0 |
21 |
76 |
116 |
163 |
230 |
296 |
6 |
| VCDI |
0 |
16 |
59 |
85 |
192 |
677 |
5887 |
3391 |
|
Date: 2017-12-08:
| 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 |
15815 |
7406 |
749 |
391 |
264 |
201 |
200 |
0 |
| OW |
0 |
145 |
309 |
127 |
91 |
49 |
72 |
0 |
| VODI |
0 |
64 |
140 |
137 |
126 |
88 |
67 |
0 |
| ODI |
0 |
19 |
51 |
90 |
102 |
158 |
102 |
0 |
| CDI |
0 |
14 |
22 |
40 |
90 |
222 |
322 |
15 |
| VCDI |
0 |
10 |
41 |
46 |
151 |
461 |
5548 |
4214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15815 |
7322 |
773 |
419 |
311 |
240 |
290 |
0 |
| OW |
0 |
130 |
175 |
89 |
49 |
57 |
53 |
0 |
| VODI |
0 |
107 |
138 |
95 |
92 |
100 |
124 |
0 |
| ODI |
0 |
63 |
109 |
84 |
84 |
125 |
168 |
3 |
| CDI |
0 |
24 |
58 |
60 |
107 |
184 |
366 |
15 |
| VCDI |
0 |
12 |
59 |
84 |
181 |
473 |
5310 |
4211 |
|
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