Validation of sea ice concentration
Bulletin date: 2015-11-26
Model vs. observations, sea ice class contingency tables
Date: 2015-11-20:
| 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 |
17724 |
6881 |
605 |
228 |
164 |
128 |
102 |
0 |
| OW |
0 |
504 |
333 |
110 |
65 |
61 |
8 |
0 |
| VODI |
0 |
81 |
400 |
298 |
171 |
85 |
15 |
0 |
| ODI |
0 |
8 |
65 |
152 |
175 |
167 |
118 |
0 |
| CDI |
0 |
4 |
20 |
78 |
131 |
162 |
245 |
0 |
| VCDI |
0 |
0 |
6 |
25 |
119 |
516 |
4993 |
2120 |
|
...date precedes bulletin
|
Date: 2015-11-24:
| 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 |
17305 |
6316 |
802 |
365 |
211 |
136 |
68 |
0 |
| OW |
11 |
511 |
366 |
301 |
125 |
46 |
15 |
0 |
| VODI |
0 |
487 |
265 |
291 |
260 |
199 |
34 |
0 |
| ODI |
0 |
8 |
35 |
112 |
150 |
224 |
134 |
0 |
| CDI |
0 |
0 |
6 |
52 |
106 |
206 |
229 |
4 |
| VCDI |
0 |
0 |
1 |
17 |
89 |
485 |
3206 |
3889 |
|
...date precedes bulletin
|
Date: 2015-11-26:
| 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 |
17430 |
6131 |
537 |
215 |
73 |
82 |
126 |
0 |
| OW |
2 |
269 |
248 |
151 |
86 |
35 |
19 |
0 |
| VODI |
0 |
233 |
238 |
244 |
567 |
119 |
25 |
0 |
| ODI |
0 |
38 |
85 |
128 |
444 |
611 |
135 |
0 |
| CDI |
0 |
0 |
23 |
47 |
49 |
247 |
318 |
18 |
| VCDI |
0 |
0 |
13 |
59 |
107 |
270 |
3386 |
4259 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17431 |
6201 |
584 |
235 |
77 |
90 |
131 |
0 |
| OW |
1 |
207 |
217 |
147 |
114 |
28 |
11 |
0 |
| VODI |
0 |
211 |
198 |
219 |
476 |
119 |
25 |
0 |
| ODI |
0 |
52 |
113 |
122 |
476 |
525 |
102 |
0 |
| CDI |
0 |
0 |
21 |
62 |
70 |
331 |
352 |
15 |
| VCDI |
0 |
0 |
11 |
59 |
113 |
271 |
3388 |
4262 |
|
Date: 2015-11-30:
| 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 |
17833 |
5972 |
642 |
186 |
62 |
51 |
146 |
0 |
| OW |
7 |
353 |
187 |
132 |
79 |
36 |
111 |
0 |
| VODI |
0 |
98 |
111 |
151 |
126 |
89 |
93 |
0 |
| ODI |
0 |
23 |
52 |
51 |
112 |
103 |
286 |
3 |
| CDI |
0 |
3 |
38 |
74 |
94 |
137 |
757 |
60 |
| VCDI |
0 |
0 |
10 |
33 |
65 |
154 |
4357 |
4190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17840 |
5657 |
373 |
126 |
45 |
48 |
257 |
0 |
| OW |
0 |
303 |
155 |
42 |
22 |
18 |
17 |
0 |
| VODI |
0 |
210 |
232 |
95 |
44 |
37 |
37 |
0 |
| ODI |
0 |
154 |
94 |
137 |
101 |
72 |
185 |
17 |
| CDI |
0 |
117 |
108 |
111 |
175 |
141 |
585 |
63 |
| VCDI |
0 |
8 |
78 |
116 |
151 |
254 |
4669 |
4173 |
|
Date: 2015-12-02:
| 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 |
17416 |
6076 |
680 |
153 |
40 |
112 |
61 |
0 |
| OW |
7 |
359 |
176 |
113 |
60 |
45 |
105 |
0 |
| VODI |
0 |
159 |
138 |
147 |
149 |
90 |
22 |
0 |
| ODI |
0 |
17 |
65 |
107 |
114 |
204 |
59 |
0 |
| CDI |
0 |
1 |
46 |
53 |
111 |
202 |
310 |
15 |
| VCDI |
0 |
0 |
15 |
81 |
99 |
402 |
5604 |
3454 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17423 |
5815 |
470 |
119 |
43 |
140 |
149 |
0 |
| OW |
0 |
279 |
162 |
57 |
17 |
30 |
21 |
0 |
| VODI |
0 |
238 |
146 |
121 |
67 |
59 |
18 |
0 |
| ODI |
0 |
116 |
104 |
96 |
116 |
133 |
103 |
17 |
| CDI |
0 |
140 |
126 |
96 |
147 |
201 |
356 |
58 |
| VCDI |
0 |
24 |
112 |
165 |
183 |
492 |
5514 |
3394 |
|
Date: 2015-12-04:
| 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 |
17298 |
6282 |
555 |
148 |
23 |
14 |
72 |
0 |
| OW |
15 |
469 |
224 |
70 |
44 |
17 |
42 |
0 |
| VODI |
0 |
223 |
242 |
166 |
111 |
46 |
16 |
0 |
| ODI |
0 |
8 |
136 |
142 |
140 |
130 |
45 |
0 |
| CDI |
0 |
3 |
75 |
95 |
159 |
219 |
158 |
13 |
| VCDI |
0 |
0 |
44 |
83 |
192 |
504 |
5651 |
3193 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17300 |
5944 |
465 |
150 |
32 |
19 |
92 |
0 |
| OW |
13 |
251 |
142 |
48 |
31 |
17 |
22 |
0 |
| VODI |
0 |
320 |
166 |
75 |
71 |
49 |
21 |
0 |
| ODI |
0 |
150 |
139 |
86 |
83 |
112 |
45 |
0 |
| CDI |
0 |
179 |
127 |
110 |
135 |
183 |
221 |
20 |
| VCDI |
0 |
141 |
237 |
235 |
317 |
550 |
5583 |
3186 |
|
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