Validation of sea ice concentration
Bulletin date: 2017-04-13
Model vs. observations, sea ice class contingency tables
Date: 2017-04-07:
| 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 |
13163 |
6115 |
854 |
457 |
162 |
59 |
4 |
0 |
| OW |
0 |
37 |
147 |
151 |
99 |
45 |
8 |
0 |
| VODI |
0 |
24 |
75 |
181 |
126 |
87 |
21 |
0 |
| ODI |
0 |
11 |
18 |
139 |
179 |
315 |
95 |
0 |
| CDI |
0 |
4 |
13 |
45 |
155 |
347 |
392 |
5 |
| VCDI |
0 |
0 |
5 |
42 |
137 |
723 |
8562 |
5157 |
|
...date precedes bulletin
|
Date: 2017-04-11:
| 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 |
13242 |
6608 |
664 |
357 |
147 |
40 |
2 |
0 |
| OW |
0 |
73 |
157 |
126 |
84 |
33 |
8 |
0 |
| VODI |
0 |
31 |
127 |
149 |
135 |
130 |
38 |
0 |
| ODI |
0 |
4 |
41 |
62 |
141 |
239 |
144 |
0 |
| CDI |
0 |
1 |
15 |
45 |
123 |
335 |
576 |
9 |
| VCDI |
0 |
0 |
2 |
32 |
62 |
327 |
8985 |
4865 |
|
...date precedes bulletin
|
Date: 2017-04-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-04-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-04-19:
| 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 |
12919 |
5900 |
1056 |
548 |
282 |
80 |
26 |
0 |
| OW |
0 |
2 |
111 |
186 |
120 |
79 |
31 |
0 |
| VODI |
0 |
0 |
52 |
150 |
170 |
136 |
72 |
0 |
| ODI |
0 |
0 |
43 |
97 |
80 |
172 |
132 |
12 |
| CDI |
0 |
0 |
3 |
76 |
111 |
234 |
541 |
70 |
| VCDI |
0 |
0 |
0 |
55 |
69 |
396 |
8021 |
6127 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12919 |
5881 |
1001 |
562 |
268 |
92 |
38 |
0 |
| OW |
0 |
21 |
122 |
136 |
126 |
75 |
51 |
0 |
| VODI |
0 |
0 |
66 |
158 |
168 |
158 |
98 |
0 |
| ODI |
0 |
0 |
52 |
88 |
91 |
179 |
150 |
11 |
| CDI |
0 |
0 |
22 |
84 |
77 |
196 |
757 |
70 |
| VCDI |
0 |
0 |
2 |
84 |
102 |
397 |
7729 |
6128 |
|
Date: 2017-04-21:
| 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 |
13013 |
5957 |
1290 |
375 |
177 |
47 |
21 |
0 |
| OW |
0 |
7 |
154 |
162 |
116 |
71 |
20 |
0 |
| VODI |
0 |
0 |
87 |
151 |
150 |
100 |
57 |
0 |
| ODI |
0 |
0 |
45 |
107 |
129 |
129 |
198 |
12 |
| CDI |
0 |
0 |
24 |
69 |
105 |
151 |
604 |
65 |
| VCDI |
0 |
0 |
15 |
71 |
89 |
282 |
8474 |
5635 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13013 |
5936 |
1259 |
373 |
168 |
66 |
42 |
0 |
| OW |
0 |
24 |
147 |
141 |
113 |
57 |
39 |
0 |
| VODI |
0 |
4 |
86 |
154 |
164 |
119 |
89 |
4 |
| ODI |
0 |
0 |
63 |
97 |
116 |
117 |
206 |
27 |
| CDI |
0 |
0 |
29 |
87 |
103 |
127 |
600 |
77 |
| VCDI |
0 |
0 |
31 |
83 |
102 |
294 |
8398 |
5604 |
|
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