Validation of sea ice concentration
Bulletin date: 2014-04-03
Model vs. observations, sea ice class contingency tables
Date: 2014-03-28:
| 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 |
13427 |
5883 |
575 |
220 |
35 |
6 |
0 |
0 |
| OW |
0 |
168 |
205 |
109 |
73 |
18 |
2 |
0 |
| VODI |
0 |
143 |
182 |
171 |
105 |
102 |
3 |
0 |
| ODI |
0 |
49 |
117 |
146 |
150 |
164 |
44 |
0 |
| CDI |
0 |
65 |
117 |
120 |
125 |
259 |
380 |
22 |
| VCDI |
0 |
7 |
51 |
173 |
262 |
858 |
7615 |
5268 |
|
...date precedes bulletin
|
Date: 2014-04-01:
| 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 |
12740 |
6039 |
933 |
376 |
112 |
35 |
3 |
0 |
| OW |
0 |
103 |
214 |
150 |
86 |
43 |
7 |
0 |
| VODI |
0 |
56 |
197 |
191 |
161 |
96 |
19 |
0 |
| ODI |
0 |
15 |
94 |
159 |
151 |
153 |
79 |
0 |
| CDI |
0 |
6 |
43 |
171 |
237 |
321 |
538 |
7 |
| VCDI |
0 |
16 |
69 |
182 |
333 |
1090 |
7968 |
4226 |
|
...date precedes bulletin
|
Date: 2014-04-03:
| 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 |
13117 |
5934 |
488 |
301 |
142 |
51 |
2 |
0 |
| OW |
0 |
145 |
170 |
126 |
89 |
62 |
10 |
0 |
| VODI |
0 |
91 |
140 |
146 |
167 |
136 |
29 |
0 |
| ODI |
0 |
44 |
71 |
128 |
153 |
200 |
84 |
0 |
| CDI |
0 |
23 |
74 |
138 |
251 |
453 |
399 |
0 |
| VCDI |
0 |
4 |
30 |
89 |
225 |
1239 |
7857 |
4611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13117 |
6069 |
618 |
371 |
194 |
99 |
11 |
0 |
| OW |
0 |
57 |
81 |
81 |
68 |
50 |
18 |
0 |
| VODI |
0 |
52 |
95 |
118 |
120 |
83 |
30 |
0 |
| ODI |
0 |
33 |
64 |
107 |
138 |
151 |
65 |
0 |
| CDI |
0 |
24 |
71 |
145 |
235 |
452 |
385 |
0 |
| VCDI |
0 |
6 |
44 |
106 |
272 |
1306 |
7872 |
4611 |
|
Date: 2014-04-07:
| 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 |
13150 |
6126 |
424 |
263 |
234 |
77 |
55 |
0 |
| OW |
0 |
99 |
143 |
134 |
92 |
63 |
43 |
0 |
| VODI |
0 |
41 |
84 |
153 |
153 |
93 |
112 |
0 |
| ODI |
0 |
14 |
42 |
106 |
122 |
191 |
276 |
0 |
| CDI |
0 |
3 |
20 |
122 |
150 |
323 |
581 |
15 |
| VCDI |
0 |
0 |
9 |
44 |
135 |
644 |
7630 |
5453 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13150 |
6028 |
436 |
293 |
260 |
103 |
145 |
0 |
| OW |
0 |
68 |
58 |
52 |
45 |
23 |
40 |
0 |
| VODI |
0 |
83 |
61 |
98 |
74 |
51 |
81 |
0 |
| ODI |
0 |
55 |
56 |
86 |
109 |
123 |
174 |
0 |
| CDI |
0 |
39 |
73 |
133 |
165 |
293 |
428 |
16 |
| VCDI |
0 |
10 |
38 |
160 |
233 |
798 |
7829 |
5452 |
|
Date: 2014-04-09:
| 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 |
13130 |
6008 |
523 |
257 |
150 |
87 |
58 |
0 |
| OW |
0 |
84 |
218 |
124 |
64 |
85 |
28 |
0 |
| VODI |
0 |
31 |
99 |
128 |
113 |
131 |
56 |
0 |
| ODI |
0 |
3 |
52 |
88 |
162 |
243 |
179 |
0 |
| CDI |
0 |
0 |
33 |
70 |
113 |
409 |
412 |
10 |
| VCDI |
0 |
0 |
2 |
56 |
178 |
771 |
7654 |
5610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13130 |
5954 |
560 |
269 |
168 |
128 |
130 |
0 |
| OW |
0 |
75 |
65 |
58 |
35 |
51 |
45 |
0 |
| VODI |
0 |
54 |
83 |
94 |
90 |
83 |
44 |
0 |
| ODI |
0 |
13 |
87 |
84 |
132 |
209 |
97 |
0 |
| CDI |
0 |
30 |
96 |
108 |
163 |
449 |
321 |
13 |
| VCDI |
0 |
0 |
36 |
110 |
192 |
806 |
7750 |
5607 |
|
Date: 2014-04-11:
| 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 |
13307 |
5986 |
510 |
239 |
122 |
82 |
21 |
0 |
| OW |
0 |
143 |
154 |
108 |
59 |
62 |
32 |
0 |
| VODI |
0 |
78 |
127 |
133 |
112 |
116 |
55 |
0 |
| ODI |
0 |
19 |
60 |
104 |
146 |
163 |
128 |
0 |
| CDI |
0 |
1 |
36 |
93 |
102 |
249 |
402 |
18 |
| VCDI |
0 |
0 |
14 |
86 |
331 |
1062 |
7750 |
5209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13307 |
6003 |
520 |
250 |
122 |
106 |
82 |
0 |
| OW |
0 |
93 |
61 |
52 |
38 |
32 |
23 |
0 |
| VODI |
0 |
68 |
105 |
85 |
65 |
64 |
47 |
0 |
| ODI |
0 |
40 |
78 |
87 |
116 |
121 |
51 |
0 |
| CDI |
0 |
23 |
85 |
150 |
185 |
318 |
352 |
11 |
| VCDI |
0 |
0 |
52 |
139 |
346 |
1093 |
7833 |
5216 |
|
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