Validation of sea ice concentration
Bulletin date: 2014-05-22
Model vs. observations, sea ice class contingency tables
Date: 2014-05-16:
| 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 |
13838 |
6202 |
563 |
476 |
181 |
159 |
24 |
0 |
| OW |
7 |
50 |
82 |
143 |
76 |
68 |
44 |
0 |
| VODI |
1 |
6 |
55 |
197 |
98 |
128 |
129 |
2 |
| ODI |
1 |
0 |
68 |
144 |
131 |
170 |
415 |
12 |
| CDI |
0 |
0 |
32 |
104 |
292 |
582 |
1390 |
16 |
| VCDI |
0 |
0 |
7 |
56 |
155 |
350 |
7211 |
3754 |
|
...date precedes bulletin
|
Date: 2014-05-20:
| 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 |
14170 |
6193 |
717 |
483 |
210 |
127 |
19 |
0 |
| OW |
2 |
9 |
163 |
160 |
114 |
105 |
44 |
0 |
| VODI |
0 |
1 |
66 |
123 |
136 |
238 |
195 |
0 |
| ODI |
0 |
3 |
45 |
113 |
221 |
426 |
532 |
0 |
| CDI |
0 |
0 |
5 |
47 |
147 |
359 |
1793 |
2 |
| VCDI |
0 |
0 |
2 |
29 |
51 |
135 |
5772 |
4462 |
|
...date precedes bulletin
|
Date: 2014-05-22:
| 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 |
13756 |
6142 |
967 |
665 |
283 |
76 |
15 |
0 |
| OW |
2 |
2 |
127 |
173 |
153 |
137 |
26 |
0 |
| VODI |
0 |
3 |
99 |
177 |
182 |
266 |
158 |
0 |
| ODI |
0 |
1 |
45 |
136 |
207 |
553 |
445 |
0 |
| CDI |
0 |
0 |
7 |
82 |
206 |
608 |
1486 |
6 |
| VCDI |
0 |
0 |
5 |
35 |
39 |
177 |
5818 |
4154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13758 |
6141 |
993 |
683 |
298 |
82 |
25 |
0 |
| OW |
0 |
3 |
100 |
139 |
141 |
128 |
38 |
0 |
| VODI |
0 |
3 |
97 |
181 |
175 |
283 |
166 |
0 |
| ODI |
0 |
1 |
46 |
137 |
204 |
540 |
386 |
0 |
| CDI |
0 |
0 |
8 |
96 |
212 |
605 |
1465 |
2 |
| VCDI |
0 |
0 |
6 |
32 |
40 |
179 |
5868 |
4158 |
|
Date: 2014-05-26:
| 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 |
13769 |
5768 |
1559 |
1031 |
280 |
76 |
28 |
0 |
| OW |
0 |
8 |
85 |
271 |
173 |
65 |
53 |
0 |
| VODI |
0 |
1 |
56 |
175 |
270 |
238 |
202 |
0 |
| ODI |
0 |
0 |
12 |
97 |
278 |
532 |
534 |
0 |
| CDI |
0 |
0 |
7 |
58 |
170 |
700 |
2366 |
103 |
| VCDI |
0 |
0 |
0 |
23 |
40 |
210 |
4357 |
3824 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13769 |
5768 |
1366 |
918 |
256 |
81 |
63 |
0 |
| OW |
0 |
5 |
129 |
203 |
140 |
96 |
108 |
0 |
| VODI |
0 |
4 |
138 |
205 |
236 |
217 |
195 |
0 |
| ODI |
0 |
0 |
59 |
150 |
238 |
294 |
331 |
0 |
| CDI |
0 |
0 |
26 |
133 |
229 |
700 |
1186 |
49 |
| VCDI |
0 |
0 |
1 |
46 |
112 |
433 |
5657 |
3878 |
|
Date: 2014-05-28:
| 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 |
14313 |
5844 |
1297 |
856 |
417 |
180 |
40 |
0 |
| OW |
0 |
4 |
52 |
142 |
145 |
165 |
94 |
0 |
| VODI |
0 |
0 |
42 |
118 |
150 |
361 |
377 |
0 |
| ODI |
0 |
0 |
18 |
80 |
104 |
486 |
475 |
2 |
| CDI |
0 |
0 |
7 |
76 |
168 |
572 |
2442 |
28 |
| VCDI |
0 |
0 |
0 |
37 |
54 |
225 |
3517 |
4531 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14313 |
5846 |
1108 |
682 |
287 |
133 |
64 |
0 |
| OW |
0 |
2 |
135 |
158 |
133 |
127 |
138 |
0 |
| VODI |
0 |
0 |
100 |
160 |
196 |
302 |
265 |
0 |
| ODI |
0 |
0 |
47 |
139 |
121 |
394 |
375 |
4 |
| CDI |
0 |
0 |
26 |
119 |
213 |
721 |
1720 |
118 |
| VCDI |
0 |
0 |
0 |
51 |
88 |
312 |
4383 |
4439 |
|
Date: 2014-05-30:
| 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 |
14424 |
5982 |
1162 |
947 |
468 |
157 |
54 |
0 |
| OW |
0 |
2 |
68 |
145 |
157 |
178 |
173 |
0 |
| VODI |
0 |
0 |
38 |
94 |
173 |
402 |
358 |
0 |
| ODI |
0 |
0 |
11 |
96 |
126 |
334 |
385 |
0 |
| CDI |
0 |
0 |
5 |
92 |
149 |
524 |
2000 |
18 |
| VCDI |
0 |
0 |
0 |
47 |
55 |
205 |
3678 |
4712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14424 |
5959 |
855 |
728 |
343 |
105 |
93 |
0 |
| OW |
0 |
23 |
187 |
180 |
142 |
118 |
174 |
0 |
| VODI |
0 |
2 |
128 |
206 |
190 |
279 |
295 |
2 |
| ODI |
0 |
0 |
64 |
135 |
190 |
358 |
313 |
6 |
| CDI |
0 |
0 |
49 |
148 |
204 |
714 |
1814 |
89 |
| VCDI |
0 |
0 |
1 |
24 |
59 |
226 |
3959 |
4633 |
|
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