Validation of sea ice concentration
Bulletin date: 2019-09-12
Model vs. observations, sea ice class contingency tables
Date: 2019-09-06:
| 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 |
24399 |
5110 |
1186 |
459 |
161 |
26 |
3 |
0 |
| OW |
0 |
13 |
119 |
151 |
69 |
17 |
8 |
0 |
| VODI |
0 |
4 |
43 |
117 |
134 |
66 |
38 |
0 |
| ODI |
0 |
0 |
9 |
31 |
104 |
156 |
136 |
0 |
| CDI |
0 |
0 |
0 |
11 |
25 |
76 |
1703 |
764 |
| VCDI |
0 |
0 |
0 |
5 |
8 |
5 |
1107 |
1896 |
|
...date precedes bulletin
|
Date: 2019-09-10:
| 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 |
24203 |
4687 |
1435 |
480 |
204 |
17 |
0 |
0 |
| OW |
0 |
0 |
99 |
97 |
80 |
46 |
2 |
0 |
| VODI |
0 |
0 |
20 |
67 |
121 |
125 |
22 |
0 |
| ODI |
0 |
0 |
5 |
16 |
117 |
183 |
91 |
0 |
| CDI |
0 |
0 |
1 |
1 |
27 |
138 |
1656 |
593 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
4 |
778 |
2837 |
|
...date precedes bulletin
|
Date: 2019-09-12:
| 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 |
24364 |
4926 |
1133 |
527 |
130 |
4 |
1 |
0 |
| OW |
0 |
13 |
113 |
165 |
66 |
21 |
5 |
0 |
| VODI |
0 |
7 |
39 |
93 |
150 |
88 |
27 |
0 |
| ODI |
0 |
1 |
8 |
31 |
100 |
134 |
110 |
0 |
| CDI |
0 |
0 |
1 |
12 |
87 |
87 |
1408 |
232 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
13 |
965 |
3088 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24364 |
4920 |
1167 |
555 |
131 |
5 |
1 |
0 |
| OW |
0 |
16 |
91 |
136 |
71 |
17 |
4 |
0 |
| VODI |
0 |
10 |
26 |
97 |
150 |
102 |
36 |
0 |
| ODI |
0 |
1 |
10 |
33 |
109 |
137 |
136 |
0 |
| CDI |
0 |
0 |
0 |
7 |
73 |
73 |
1419 |
219 |
| VCDI |
0 |
0 |
0 |
1 |
8 |
13 |
920 |
3101 |
|
Date: 2019-09-16:
| 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 |
24990 |
4976 |
671 |
507 |
64 |
9 |
6 |
0 |
| OW |
0 |
102 |
204 |
108 |
30 |
7 |
4 |
0 |
| VODI |
0 |
48 |
112 |
175 |
100 |
42 |
13 |
0 |
| ODI |
0 |
18 |
39 |
92 |
114 |
52 |
46 |
0 |
| CDI |
0 |
0 |
21 |
73 |
149 |
245 |
824 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
4 |
80 |
2265 |
1967 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24990 |
4970 |
653 |
504 |
64 |
10 |
6 |
0 |
| OW |
0 |
103 |
219 |
114 |
37 |
9 |
3 |
0 |
| VODI |
0 |
43 |
110 |
168 |
96 |
40 |
17 |
0 |
| ODI |
0 |
28 |
43 |
98 |
116 |
57 |
50 |
0 |
| CDI |
0 |
0 |
22 |
71 |
141 |
248 |
869 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
7 |
71 |
2213 |
1967 |
|
Date: 2019-09-18:
| 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 |
25119 |
4971 |
421 |
422 |
26 |
7 |
7 |
0 |
| OW |
0 |
245 |
107 |
80 |
27 |
2 |
0 |
0 |
| VODI |
0 |
125 |
111 |
195 |
66 |
33 |
16 |
0 |
| ODI |
0 |
38 |
54 |
135 |
93 |
39 |
39 |
0 |
| CDI |
0 |
4 |
16 |
122 |
127 |
157 |
649 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
12 |
52 |
2458 |
2181 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25119 |
5007 |
427 |
436 |
30 |
8 |
6 |
0 |
| OW |
0 |
223 |
122 |
84 |
27 |
4 |
3 |
0 |
| VODI |
0 |
122 |
101 |
195 |
65 |
31 |
19 |
0 |
| ODI |
0 |
28 |
50 |
147 |
98 |
42 |
34 |
0 |
| CDI |
0 |
3 |
9 |
93 |
122 |
160 |
724 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
9 |
45 |
2383 |
2181 |
|
Date: 2019-09-20:
| 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 |
24934 |
4863 |
517 |
373 |
94 |
14 |
0 |
0 |
| OW |
0 |
160 |
157 |
82 |
36 |
11 |
1 |
0 |
| VODI |
0 |
57 |
152 |
171 |
87 |
38 |
8 |
0 |
| ODI |
0 |
3 |
48 |
90 |
187 |
89 |
39 |
0 |
| CDI |
0 |
0 |
10 |
37 |
146 |
233 |
625 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
2 |
22 |
2133 |
2736 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24934 |
4902 |
512 |
413 |
115 |
23 |
3 |
0 |
| OW |
0 |
125 |
131 |
68 |
43 |
16 |
1 |
0 |
| VODI |
0 |
56 |
202 |
134 |
115 |
60 |
19 |
0 |
| ODI |
0 |
0 |
34 |
109 |
132 |
76 |
50 |
0 |
| CDI |
0 |
0 |
5 |
33 |
145 |
207 |
527 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
25 |
2206 |
2736 |
|
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