Validation of sea ice concentration
Bulletin date: 2017-01-12
Model vs. observations, sea ice class contingency tables
Date: 2017-01-06:
| 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 |
15579 |
7332 |
830 |
299 |
116 |
70 |
63 |
0 |
| OW |
0 |
99 |
121 |
169 |
97 |
48 |
22 |
0 |
| VODI |
0 |
53 |
129 |
152 |
123 |
126 |
55 |
0 |
| ODI |
0 |
21 |
49 |
108 |
105 |
161 |
166 |
3 |
| CDI |
0 |
14 |
25 |
73 |
98 |
336 |
458 |
22 |
| VCDI |
0 |
0 |
3 |
48 |
111 |
533 |
6773 |
3569 |
|
...date precedes bulletin
|
Date: 2017-01-10:
| 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 |
15870 |
7284 |
815 |
314 |
120 |
30 |
40 |
1 |
| OW |
0 |
96 |
141 |
196 |
110 |
28 |
33 |
0 |
| VODI |
0 |
46 |
132 |
345 |
166 |
90 |
31 |
0 |
| ODI |
0 |
9 |
54 |
355 |
223 |
151 |
115 |
0 |
| CDI |
0 |
3 |
24 |
175 |
166 |
333 |
443 |
0 |
| VCDI |
0 |
0 |
5 |
70 |
171 |
734 |
7645 |
1595 |
|
...date precedes bulletin
|
Date: 2017-01-12:
| 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 |
15767 |
7142 |
656 |
383 |
189 |
59 |
35 |
0 |
| OW |
0 |
159 |
135 |
148 |
115 |
74 |
46 |
0 |
| VODI |
0 |
93 |
180 |
185 |
138 |
132 |
57 |
0 |
| ODI |
0 |
33 |
114 |
176 |
164 |
198 |
145 |
0 |
| CDI |
0 |
5 |
95 |
242 |
181 |
305 |
452 |
0 |
| VCDI |
0 |
4 |
32 |
132 |
289 |
714 |
6303 |
2882 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15767 |
7181 |
672 |
405 |
193 |
61 |
16 |
0 |
| OW |
0 |
132 |
122 |
129 |
112 |
72 |
57 |
0 |
| VODI |
0 |
87 |
168 |
181 |
139 |
133 |
57 |
0 |
| ODI |
0 |
28 |
130 |
189 |
173 |
196 |
138 |
0 |
| CDI |
0 |
5 |
87 |
214 |
162 |
305 |
428 |
0 |
| VCDI |
0 |
3 |
33 |
148 |
297 |
715 |
6342 |
2882 |
|
Date: 2017-01-16:
| 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 |
15403 |
7133 |
1397 |
414 |
215 |
44 |
12 |
0 |
| OW |
0 |
30 |
413 |
255 |
152 |
119 |
33 |
0 |
| VODI |
0 |
7 |
182 |
250 |
220 |
202 |
120 |
0 |
| ODI |
0 |
0 |
31 |
90 |
120 |
334 |
261 |
0 |
| CDI |
0 |
0 |
13 |
52 |
108 |
385 |
756 |
4 |
| VCDI |
0 |
0 |
1 |
23 |
78 |
323 |
5814 |
3165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15403 |
7042 |
1031 |
335 |
185 |
39 |
16 |
0 |
| OW |
0 |
81 |
254 |
140 |
101 |
64 |
29 |
0 |
| VODI |
0 |
36 |
314 |
161 |
151 |
151 |
107 |
0 |
| ODI |
0 |
10 |
166 |
139 |
134 |
249 |
159 |
0 |
| CDI |
0 |
1 |
179 |
148 |
146 |
418 |
549 |
0 |
| VCDI |
0 |
0 |
93 |
161 |
176 |
486 |
6136 |
3169 |
|
Date: 2017-01-18:
| 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 |
15249 |
7401 |
855 |
522 |
114 |
24 |
5 |
0 |
| OW |
0 |
302 |
349 |
280 |
153 |
32 |
13 |
0 |
| VODI |
0 |
232 |
360 |
293 |
170 |
124 |
73 |
0 |
| ODI |
0 |
48 |
100 |
198 |
210 |
212 |
190 |
0 |
| CDI |
0 |
29 |
35 |
142 |
332 |
327 |
540 |
10 |
| VCDI |
0 |
7 |
28 |
126 |
410 |
1318 |
4317 |
3029 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15249 |
7079 |
706 |
453 |
120 |
25 |
6 |
0 |
| OW |
0 |
304 |
106 |
183 |
82 |
31 |
20 |
0 |
| VODI |
0 |
289 |
337 |
172 |
153 |
108 |
64 |
0 |
| ODI |
0 |
181 |
206 |
179 |
159 |
137 |
110 |
0 |
| CDI |
0 |
87 |
169 |
285 |
317 |
360 |
395 |
12 |
| VCDI |
0 |
79 |
203 |
289 |
558 |
1376 |
4543 |
3027 |
|
Date: 2017-01-20:
| 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 |
14402 |
7160 |
1087 |
785 |
164 |
23 |
0 |
0 |
| OW |
0 |
101 |
260 |
238 |
178 |
48 |
4 |
0 |
| VODI |
0 |
65 |
429 |
285 |
312 |
116 |
33 |
0 |
| ODI |
0 |
39 |
249 |
175 |
338 |
285 |
169 |
0 |
| CDI |
0 |
22 |
62 |
90 |
317 |
521 |
542 |
61 |
| VCDI |
0 |
2 |
56 |
86 |
305 |
1200 |
4162 |
3788 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14402 |
7012 |
997 |
724 |
162 |
26 |
2 |
0 |
| OW |
0 |
143 |
160 |
196 |
158 |
47 |
1 |
0 |
| VODI |
0 |
99 |
362 |
214 |
263 |
146 |
52 |
0 |
| ODI |
0 |
68 |
220 |
175 |
216 |
208 |
107 |
0 |
| CDI |
0 |
50 |
233 |
186 |
304 |
450 |
311 |
44 |
| VCDI |
0 |
17 |
171 |
164 |
511 |
1316 |
4437 |
3805 |
|
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