Validation of sea ice concentration
Bulletin date: 2016-03-10
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2016-03-08:
| 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 |
14525 |
6931 |
764 |
179 |
46 |
5 |
2 |
0 |
| OW |
0 |
274 |
250 |
242 |
109 |
42 |
4 |
0 |
| VODI |
0 |
109 |
196 |
268 |
412 |
163 |
52 |
0 |
| ODI |
0 |
12 |
98 |
219 |
347 |
242 |
249 |
7 |
| CDI |
0 |
16 |
36 |
109 |
245 |
418 |
794 |
16 |
| VCDI |
0 |
1 |
31 |
57 |
122 |
348 |
6169 |
4050 |
|
...date precedes bulletin
|
Date: 2016-03-10:
| 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 |
14836 |
6530 |
562 |
182 |
58 |
12 |
1 |
0 |
| OW |
0 |
364 |
304 |
185 |
102 |
52 |
14 |
0 |
| VODI |
0 |
198 |
226 |
230 |
313 |
183 |
78 |
0 |
| ODI |
0 |
44 |
127 |
160 |
254 |
351 |
228 |
0 |
| CDI |
0 |
33 |
71 |
146 |
167 |
402 |
753 |
27 |
| VCDI |
0 |
7 |
41 |
123 |
141 |
356 |
6484 |
3814 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14836 |
6490 |
594 |
206 |
93 |
26 |
2 |
0 |
| OW |
0 |
345 |
205 |
157 |
114 |
58 |
14 |
0 |
| VODI |
0 |
273 |
295 |
243 |
288 |
211 |
76 |
0 |
| ODI |
0 |
38 |
136 |
159 |
228 |
304 |
221 |
0 |
| CDI |
0 |
23 |
67 |
153 |
163 |
395 |
774 |
40 |
| VCDI |
0 |
7 |
34 |
108 |
149 |
362 |
6471 |
3801 |
|
Date: 2016-03-14:
| 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 |
15511 |
6879 |
324 |
167 |
80 |
22 |
1 |
9 |
| OW |
0 |
519 |
159 |
192 |
117 |
46 |
9 |
58 |
| VODI |
0 |
182 |
150 |
327 |
470 |
196 |
148 |
57 |
| ODI |
0 |
19 |
33 |
136 |
206 |
167 |
441 |
48 |
| CDI |
0 |
1 |
10 |
98 |
127 |
290 |
1113 |
94 |
| VCDI |
0 |
1 |
5 |
51 |
156 |
434 |
4507 |
4599 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15508 |
6197 |
256 |
135 |
48 |
23 |
5 |
12 |
| OW |
3 |
505 |
101 |
113 |
108 |
35 |
4 |
33 |
| VODI |
0 |
606 |
123 |
188 |
266 |
119 |
58 |
76 |
| ODI |
0 |
184 |
115 |
234 |
266 |
142 |
277 |
24 |
| CDI |
0 |
88 |
50 |
150 |
199 |
213 |
771 |
75 |
| VCDI |
0 |
21 |
36 |
151 |
269 |
623 |
5104 |
4645 |
|
Date: 2016-03-16:
| 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 |
14539 |
6404 |
725 |
272 |
119 |
12 |
2 |
0 |
| OW |
0 |
328 |
213 |
198 |
94 |
65 |
12 |
0 |
| VODI |
0 |
396 |
225 |
295 |
171 |
136 |
48 |
0 |
| ODI |
0 |
55 |
76 |
251 |
308 |
231 |
230 |
7 |
| CDI |
0 |
82 |
64 |
180 |
449 |
439 |
766 |
60 |
| VCDI |
0 |
0 |
8 |
58 |
192 |
554 |
5877 |
4018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14539 |
6359 |
673 |
207 |
110 |
29 |
2 |
0 |
| OW |
0 |
372 |
196 |
148 |
92 |
44 |
8 |
0 |
| VODI |
0 |
314 |
251 |
331 |
266 |
141 |
32 |
0 |
| ODI |
0 |
120 |
88 |
246 |
328 |
189 |
164 |
3 |
| CDI |
0 |
74 |
72 |
217 |
309 |
405 |
605 |
33 |
| VCDI |
0 |
26 |
31 |
105 |
228 |
629 |
6124 |
4049 |
|
Date: 2016-03-18:
| 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 |
13788 |
6471 |
795 |
262 |
95 |
19 |
0 |
0 |
| OW |
0 |
209 |
197 |
176 |
81 |
39 |
10 |
0 |
| VODI |
0 |
163 |
185 |
283 |
165 |
72 |
66 |
0 |
| ODI |
0 |
95 |
129 |
223 |
189 |
152 |
177 |
0 |
| CDI |
0 |
106 |
131 |
189 |
301 |
185 |
364 |
12 |
| VCDI |
0 |
71 |
143 |
290 |
386 |
895 |
6362 |
4683 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13788 |
6470 |
746 |
264 |
141 |
17 |
0 |
0 |
| OW |
0 |
266 |
235 |
123 |
108 |
23 |
13 |
0 |
| VODI |
0 |
150 |
238 |
350 |
259 |
116 |
32 |
0 |
| ODI |
0 |
86 |
131 |
268 |
250 |
259 |
200 |
31 |
| CDI |
0 |
95 |
93 |
188 |
257 |
350 |
361 |
81 |
| VCDI |
0 |
48 |
137 |
230 |
202 |
597 |
6373 |
4583 |
|
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