Validation of sea ice concentration
Bulletin date: 2015-03-05
Model vs. observations, sea ice class contingency tables
Date: 2015-02-27:
| 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 |
13128 |
5424 |
528 |
236 |
68 |
18 |
15 |
0 |
| OW |
0 |
144 |
130 |
146 |
89 |
46 |
19 |
0 |
| VODI |
0 |
90 |
135 |
97 |
103 |
87 |
70 |
0 |
| ODI |
0 |
36 |
75 |
101 |
85 |
94 |
184 |
0 |
| CDI |
0 |
35 |
69 |
106 |
129 |
163 |
453 |
1 |
| VCDI |
0 |
33 |
126 |
272 |
283 |
1190 |
10994 |
2065 |
|
...date precedes bulletin
|
Date: 2015-03-03:
| 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 |
13908 |
5528 |
454 |
155 |
34 |
8 |
5 |
0 |
| OW |
0 |
147 |
146 |
211 |
68 |
28 |
28 |
0 |
| VODI |
0 |
83 |
136 |
174 |
106 |
74 |
86 |
0 |
| ODI |
0 |
31 |
82 |
162 |
87 |
76 |
151 |
0 |
| CDI |
0 |
28 |
82 |
139 |
175 |
181 |
436 |
0 |
| VCDI |
0 |
0 |
39 |
231 |
350 |
679 |
8594 |
4165 |
|
...date precedes bulletin
|
Date: 2015-03-05:
| 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 |
13677 |
5605 |
549 |
132 |
51 |
7 |
0 |
0 |
| OW |
0 |
238 |
247 |
131 |
85 |
39 |
33 |
0 |
| VODI |
0 |
143 |
113 |
192 |
143 |
76 |
89 |
0 |
| ODI |
0 |
73 |
53 |
96 |
162 |
110 |
151 |
3 |
| CDI |
0 |
37 |
94 |
68 |
161 |
173 |
416 |
10 |
| VCDI |
0 |
11 |
163 |
137 |
385 |
579 |
8331 |
4304 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13677 |
5648 |
541 |
129 |
54 |
16 |
3 |
0 |
| OW |
0 |
202 |
233 |
121 |
67 |
28 |
18 |
0 |
| VODI |
0 |
138 |
139 |
202 |
162 |
90 |
103 |
0 |
| ODI |
0 |
70 |
59 |
91 |
163 |
98 |
152 |
2 |
| CDI |
0 |
34 |
94 |
69 |
137 |
170 |
415 |
10 |
| VCDI |
0 |
15 |
153 |
144 |
404 |
582 |
8329 |
4305 |
|
Date: 2015-03-09:
| 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 |
14237 |
5900 |
424 |
200 |
34 |
10 |
10 |
0 |
| OW |
0 |
257 |
252 |
327 |
90 |
63 |
17 |
0 |
| VODI |
0 |
43 |
197 |
253 |
144 |
142 |
61 |
12 |
| ODI |
0 |
19 |
124 |
227 |
130 |
141 |
110 |
65 |
| CDI |
0 |
3 |
78 |
214 |
205 |
284 |
535 |
119 |
| VCDI |
0 |
0 |
21 |
130 |
164 |
365 |
6704 |
4756 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14237 |
5426 |
241 |
145 |
26 |
5 |
1 |
0 |
| OW |
0 |
401 |
180 |
189 |
38 |
42 |
22 |
0 |
| VODI |
0 |
262 |
189 |
302 |
109 |
92 |
57 |
14 |
| ODI |
0 |
81 |
146 |
176 |
114 |
112 |
71 |
58 |
| CDI |
0 |
35 |
162 |
175 |
120 |
158 |
311 |
115 |
| VCDI |
0 |
17 |
178 |
364 |
360 |
596 |
6975 |
4765 |
|
Date: 2015-03-11:
| 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 |
14119 |
5813 |
408 |
150 |
17 |
9 |
4 |
0 |
| OW |
0 |
317 |
220 |
331 |
101 |
28 |
29 |
0 |
| VODI |
0 |
96 |
175 |
324 |
168 |
88 |
62 |
0 |
| ODI |
0 |
54 |
82 |
200 |
138 |
115 |
163 |
2 |
| CDI |
0 |
21 |
42 |
236 |
201 |
208 |
517 |
6 |
| VCDI |
0 |
5 |
33 |
178 |
378 |
477 |
8129 |
3423 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14119 |
5230 |
282 |
95 |
8 |
0 |
0 |
0 |
| OW |
0 |
435 |
137 |
153 |
35 |
14 |
23 |
0 |
| VODI |
0 |
367 |
213 |
349 |
125 |
38 |
33 |
0 |
| ODI |
0 |
133 |
117 |
236 |
159 |
92 |
150 |
0 |
| CDI |
0 |
92 |
109 |
181 |
172 |
167 |
426 |
8 |
| VCDI |
0 |
49 |
102 |
405 |
504 |
614 |
8272 |
3423 |
|
Date: 2015-03-13:
| 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 |
13988 |
5796 |
427 |
62 |
9 |
0 |
0 |
0 |
| OW |
0 |
268 |
303 |
216 |
55 |
30 |
18 |
0 |
| VODI |
0 |
81 |
231 |
351 |
205 |
55 |
47 |
0 |
| ODI |
0 |
38 |
92 |
146 |
127 |
87 |
115 |
0 |
| CDI |
0 |
19 |
112 |
173 |
175 |
138 |
476 |
36 |
| VCDI |
0 |
2 |
23 |
168 |
376 |
503 |
7861 |
4258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13988 |
5343 |
280 |
41 |
13 |
9 |
0 |
0 |
| OW |
0 |
339 |
195 |
81 |
19 |
10 |
7 |
0 |
| VODI |
0 |
295 |
283 |
227 |
98 |
29 |
45 |
0 |
| ODI |
0 |
140 |
158 |
234 |
118 |
47 |
111 |
0 |
| CDI |
0 |
59 |
154 |
217 |
169 |
112 |
394 |
27 |
| VCDI |
0 |
28 |
118 |
316 |
530 |
606 |
7960 |
4267 |
|
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