Validation of sea ice concentration
Bulletin date: 2017-12-28
Model vs. observations, sea ice class contingency tables
Date: 2017-12-22:
| 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 |
15485 |
7726 |
785 |
308 |
106 |
115 |
84 |
0 |
| OW |
0 |
130 |
186 |
158 |
87 |
51 |
45 |
0 |
| VODI |
0 |
56 |
175 |
203 |
200 |
201 |
47 |
0 |
| ODI |
0 |
32 |
80 |
138 |
138 |
160 |
118 |
0 |
| CDI |
0 |
18 |
62 |
106 |
113 |
141 |
416 |
13 |
| VCDI |
0 |
1 |
59 |
131 |
325 |
701 |
6336 |
2923 |
|
...date precedes bulletin
|
Date: 2017-12-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-12-28:
| 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 |
14957 |
7278 |
1089 |
369 |
108 |
57 |
40 |
0 |
| OW |
0 |
51 |
139 |
198 |
110 |
64 |
29 |
0 |
| VODI |
0 |
26 |
96 |
189 |
139 |
149 |
86 |
0 |
| ODI |
0 |
13 |
33 |
147 |
132 |
195 |
100 |
10 |
| CDI |
0 |
7 |
12 |
105 |
203 |
385 |
403 |
44 |
| VCDI |
0 |
5 |
10 |
41 |
162 |
652 |
5709 |
4617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14957 |
7291 |
1113 |
408 |
128 |
64 |
49 |
0 |
| OW |
0 |
44 |
127 |
181 |
98 |
74 |
31 |
0 |
| VODI |
0 |
22 |
84 |
171 |
137 |
141 |
83 |
0 |
| ODI |
0 |
12 |
32 |
178 |
176 |
287 |
116 |
8 |
| CDI |
0 |
6 |
13 |
76 |
173 |
298 |
383 |
43 |
| VCDI |
0 |
5 |
10 |
35 |
142 |
638 |
5705 |
4620 |
|
Date: 2018-01-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2018-01-03:
| 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 |
14412 |
7386 |
1364 |
404 |
143 |
32 |
20 |
0 |
| OW |
0 |
58 |
213 |
192 |
112 |
63 |
28 |
0 |
| VODI |
0 |
50 |
111 |
173 |
169 |
120 |
76 |
0 |
| ODI |
0 |
17 |
33 |
70 |
108 |
196 |
125 |
0 |
| CDI |
0 |
8 |
29 |
58 |
75 |
304 |
381 |
3 |
| VCDI |
0 |
2 |
22 |
36 |
54 |
670 |
6773 |
4069 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14412 |
7226 |
1164 |
383 |
157 |
46 |
20 |
0 |
| OW |
0 |
87 |
210 |
132 |
108 |
54 |
43 |
0 |
| VODI |
0 |
64 |
169 |
137 |
108 |
129 |
99 |
0 |
| ODI |
0 |
29 |
115 |
108 |
78 |
99 |
129 |
0 |
| CDI |
0 |
28 |
31 |
99 |
110 |
275 |
287 |
9 |
| VCDI |
0 |
87 |
83 |
74 |
100 |
782 |
6825 |
4063 |
|
Date: 2018-01-05:
| 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 |
13953 |
7742 |
1133 |
446 |
129 |
71 |
19 |
1 |
| OW |
0 |
123 |
212 |
192 |
96 |
46 |
32 |
4 |
| VODI |
0 |
64 |
132 |
132 |
170 |
103 |
74 |
0 |
| ODI |
0 |
14 |
49 |
59 |
115 |
139 |
107 |
0 |
| CDI |
0 |
10 |
35 |
53 |
61 |
237 |
302 |
14 |
| VCDI |
0 |
2 |
36 |
70 |
104 |
594 |
7228 |
4056 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13953 |
7554 |
972 |
411 |
176 |
109 |
39 |
0 |
| OW |
0 |
166 |
172 |
120 |
70 |
70 |
59 |
3 |
| VODI |
0 |
96 |
140 |
91 |
104 |
92 |
140 |
2 |
| ODI |
0 |
36 |
108 |
78 |
60 |
97 |
145 |
0 |
| CDI |
0 |
29 |
99 |
92 |
100 |
133 |
356 |
3 |
| VCDI |
0 |
74 |
106 |
160 |
165 |
689 |
7023 |
4067 |
|
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