Validation of sea ice concentration
Bulletin date: 2014-03-13
Model vs. observations, sea ice class contingency tables
Date: 2014-03-07:
| 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 |
13918 |
6485 |
314 |
113 |
49 |
12 |
0 |
0 |
| OW |
0 |
265 |
157 |
137 |
96 |
83 |
3 |
0 |
| VODI |
0 |
178 |
167 |
152 |
118 |
161 |
32 |
0 |
| ODI |
0 |
303 |
117 |
182 |
190 |
281 |
122 |
0 |
| CDI |
0 |
70 |
82 |
107 |
237 |
396 |
406 |
7 |
| VCDI |
0 |
8 |
46 |
104 |
208 |
941 |
7487 |
3685 |
|
...date precedes bulletin
|
Date: 2014-03-11:
| 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 |
14044 |
6362 |
585 |
250 |
63 |
32 |
0 |
0 |
| OW |
0 |
270 |
135 |
170 |
141 |
71 |
3 |
0 |
| VODI |
0 |
300 |
136 |
175 |
239 |
265 |
26 |
0 |
| ODI |
0 |
132 |
79 |
108 |
209 |
398 |
120 |
6 |
| CDI |
0 |
26 |
93 |
118 |
255 |
417 |
644 |
14 |
| VCDI |
0 |
11 |
25 |
110 |
231 |
752 |
6760 |
3644 |
|
...date precedes bulletin
|
Date: 2014-03-13:
| 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 |
13371 |
6394 |
693 |
191 |
27 |
2 |
0 |
0 |
| OW |
0 |
105 |
337 |
185 |
96 |
24 |
10 |
0 |
| VODI |
0 |
86 |
206 |
226 |
221 |
84 |
59 |
0 |
| ODI |
0 |
135 |
126 |
167 |
244 |
137 |
146 |
0 |
| CDI |
0 |
50 |
76 |
141 |
387 |
292 |
466 |
14 |
| VCDI |
0 |
40 |
78 |
154 |
356 |
1093 |
6902 |
4098 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13371 |
6487 |
959 |
334 |
141 |
38 |
26 |
0 |
| OW |
0 |
43 |
149 |
113 |
68 |
32 |
23 |
0 |
| VODI |
0 |
63 |
128 |
158 |
141 |
55 |
48 |
0 |
| ODI |
0 |
124 |
118 |
126 |
174 |
110 |
130 |
0 |
| CDI |
0 |
50 |
74 |
140 |
379 |
241 |
416 |
15 |
| VCDI |
0 |
43 |
88 |
193 |
428 |
1156 |
6940 |
4097 |
|
Date: 2014-03-17:
| 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 |
13436 |
6403 |
466 |
273 |
62 |
3 |
0 |
0 |
| OW |
0 |
180 |
193 |
202 |
81 |
24 |
0 |
0 |
| VODI |
0 |
32 |
151 |
261 |
176 |
115 |
0 |
0 |
| ODI |
0 |
1 |
51 |
203 |
258 |
304 |
31 |
1 |
| CDI |
0 |
0 |
20 |
153 |
279 |
420 |
355 |
10 |
| VCDI |
0 |
0 |
1 |
89 |
315 |
1586 |
6899 |
4385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13436 |
6272 |
411 |
271 |
120 |
53 |
1 |
0 |
| OW |
0 |
113 |
110 |
98 |
51 |
31 |
0 |
0 |
| VODI |
0 |
98 |
133 |
146 |
80 |
93 |
4 |
0 |
| ODI |
0 |
45 |
73 |
159 |
172 |
203 |
32 |
3 |
| CDI |
0 |
38 |
58 |
143 |
184 |
301 |
340 |
21 |
| VCDI |
0 |
50 |
97 |
364 |
564 |
1771 |
6908 |
4372 |
|
Date: 2014-03-19:
| 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 |
13292 |
6295 |
450 |
315 |
118 |
22 |
1 |
0 |
| OW |
0 |
123 |
158 |
105 |
131 |
42 |
4 |
0 |
| VODI |
0 |
110 |
165 |
126 |
163 |
153 |
9 |
0 |
| ODI |
0 |
16 |
59 |
169 |
170 |
309 |
32 |
0 |
| CDI |
0 |
4 |
30 |
143 |
216 |
505 |
214 |
9 |
| VCDI |
0 |
2 |
7 |
105 |
343 |
1503 |
7038 |
4763 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13292 |
6161 |
470 |
377 |
216 |
80 |
7 |
0 |
| OW |
0 |
76 |
81 |
72 |
89 |
61 |
5 |
0 |
| VODI |
0 |
65 |
88 |
103 |
131 |
142 |
4 |
0 |
| ODI |
0 |
55 |
46 |
75 |
121 |
246 |
51 |
6 |
| CDI |
0 |
63 |
29 |
67 |
125 |
436 |
354 |
70 |
| VCDI |
0 |
130 |
155 |
269 |
459 |
1569 |
6877 |
4696 |
|
Date: 2014-03-21:
| 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 |
12953 |
6060 |
831 |
262 |
112 |
21 |
0 |
0 |
| OW |
0 |
78 |
158 |
155 |
74 |
38 |
2 |
0 |
| VODI |
0 |
95 |
130 |
182 |
154 |
107 |
7 |
0 |
| ODI |
0 |
59 |
113 |
126 |
159 |
170 |
42 |
0 |
| CDI |
0 |
2 |
84 |
155 |
217 |
420 |
395 |
32 |
| VCDI |
0 |
1 |
45 |
203 |
474 |
1246 |
7235 |
4822 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12953 |
5921 |
944 |
388 |
202 |
100 |
7 |
0 |
| OW |
0 |
60 |
71 |
79 |
61 |
49 |
5 |
0 |
| VODI |
0 |
70 |
63 |
126 |
133 |
113 |
55 |
1 |
| ODI |
0 |
41 |
51 |
133 |
160 |
200 |
174 |
43 |
| CDI |
0 |
47 |
57 |
78 |
135 |
265 |
291 |
114 |
| VCDI |
0 |
156 |
175 |
279 |
499 |
1275 |
7149 |
4696 |
|
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