Validation of sea ice concentration
Bulletin date: 2016-02-25
Model vs. observations, sea ice class contingency tables
Date: 2016-02-19:
| 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 |
14791 |
6682 |
745 |
138 |
28 |
18 |
8 |
0 |
| OW |
0 |
287 |
220 |
137 |
75 |
29 |
14 |
0 |
| VODI |
0 |
218 |
264 |
195 |
205 |
100 |
33 |
0 |
| ODI |
0 |
43 |
212 |
207 |
183 |
258 |
128 |
0 |
| CDI |
0 |
28 |
131 |
200 |
147 |
333 |
509 |
0 |
| VCDI |
0 |
52 |
187 |
317 |
392 |
761 |
5972 |
3912 |
|
...date precedes bulletin
|
Date: 2016-02-23:
| 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 |
15096 |
6754 |
764 |
107 |
27 |
5 |
7 |
0 |
| OW |
0 |
555 |
506 |
168 |
68 |
31 |
7 |
0 |
| VODI |
0 |
63 |
343 |
301 |
250 |
175 |
67 |
0 |
| ODI |
0 |
16 |
166 |
218 |
209 |
303 |
145 |
0 |
| CDI |
0 |
16 |
104 |
156 |
231 |
369 |
545 |
12 |
| VCDI |
0 |
16 |
130 |
191 |
243 |
507 |
5365 |
3923 |
|
...date precedes bulletin
|
Date: 2016-02-25:
| 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 |
15030 |
6328 |
617 |
144 |
19 |
11 |
6 |
0 |
| OW |
0 |
476 |
343 |
180 |
85 |
20 |
7 |
0 |
| VODI |
0 |
184 |
353 |
376 |
347 |
153 |
50 |
0 |
| ODI |
0 |
63 |
158 |
179 |
192 |
344 |
217 |
0 |
| CDI |
0 |
12 |
89 |
196 |
229 |
461 |
680 |
0 |
| VCDI |
0 |
7 |
142 |
209 |
275 |
638 |
5464 |
3875 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15030 |
6354 |
638 |
166 |
29 |
7 |
5 |
0 |
| OW |
0 |
356 |
235 |
141 |
90 |
28 |
7 |
0 |
| VODI |
0 |
263 |
400 |
341 |
257 |
118 |
46 |
0 |
| ODI |
0 |
81 |
192 |
225 |
241 |
359 |
220 |
0 |
| CDI |
0 |
9 |
93 |
189 |
240 |
475 |
686 |
0 |
| VCDI |
0 |
7 |
144 |
222 |
290 |
640 |
5460 |
3875 |
|
Date: 2016-02-29:
| 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 |
14195 |
6772 |
890 |
217 |
33 |
6 |
1 |
0 |
| OW |
0 |
233 |
258 |
174 |
77 |
38 |
3 |
0 |
| VODI |
0 |
136 |
228 |
290 |
214 |
124 |
46 |
0 |
| ODI |
0 |
32 |
57 |
144 |
425 |
523 |
230 |
36 |
| CDI |
0 |
3 |
17 |
75 |
151 |
644 |
722 |
82 |
| VCDI |
0 |
0 |
1 |
55 |
112 |
948 |
5859 |
4108 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14195 |
6631 |
764 |
206 |
31 |
9 |
0 |
0 |
| OW |
0 |
207 |
223 |
121 |
80 |
24 |
8 |
0 |
| VODI |
0 |
148 |
243 |
203 |
195 |
172 |
29 |
0 |
| ODI |
0 |
88 |
106 |
144 |
287 |
265 |
106 |
24 |
| CDI |
0 |
91 |
80 |
149 |
183 |
472 |
543 |
88 |
| VCDI |
0 |
11 |
35 |
132 |
236 |
1341 |
6175 |
4114 |
|
Date: 2016-03-02:
| 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 |
14568 |
6578 |
613 |
204 |
30 |
5 |
1 |
0 |
| OW |
0 |
201 |
207 |
162 |
58 |
22 |
9 |
0 |
| VODI |
0 |
110 |
211 |
203 |
175 |
89 |
38 |
0 |
| ODI |
0 |
61 |
89 |
132 |
267 |
249 |
151 |
0 |
| CDI |
0 |
43 |
92 |
95 |
166 |
355 |
666 |
18 |
| VCDI |
0 |
11 |
58 |
110 |
201 |
573 |
7009 |
4329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14568 |
6433 |
568 |
220 |
30 |
7 |
1 |
0 |
| OW |
0 |
223 |
170 |
125 |
69 |
14 |
6 |
0 |
| VODI |
0 |
170 |
210 |
173 |
164 |
76 |
42 |
0 |
| ODI |
0 |
75 |
100 |
120 |
195 |
287 |
137 |
3 |
| CDI |
0 |
52 |
106 |
112 |
169 |
253 |
417 |
4 |
| VCDI |
0 |
51 |
116 |
156 |
270 |
656 |
7271 |
4340 |
|
Date: 2016-03-04:
| 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 |
14669 |
6470 |
514 |
145 |
21 |
1 |
0 |
0 |
| OW |
0 |
351 |
221 |
136 |
66 |
19 |
1 |
0 |
| VODI |
0 |
229 |
215 |
200 |
175 |
40 |
16 |
0 |
| ODI |
0 |
57 |
152 |
201 |
313 |
108 |
119 |
1 |
| CDI |
0 |
21 |
92 |
199 |
329 |
280 |
660 |
35 |
| VCDI |
0 |
28 |
107 |
144 |
315 |
577 |
5636 |
5296 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14669 |
6390 |
484 |
162 |
45 |
2 |
0 |
0 |
| OW |
0 |
319 |
158 |
96 |
62 |
19 |
2 |
0 |
| VODI |
0 |
258 |
205 |
174 |
126 |
50 |
30 |
0 |
| ODI |
0 |
91 |
176 |
212 |
256 |
101 |
153 |
0 |
| CDI |
0 |
31 |
118 |
167 |
306 |
251 |
484 |
62 |
| VCDI |
0 |
67 |
160 |
214 |
424 |
602 |
5763 |
5270 |
|
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