Validation of sea ice concentration
Bulletin date: 2016-04-28
Model vs. observations, sea ice class contingency tables
Date: 2016-04-22:
| 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 |
14181 |
6937 |
955 |
361 |
148 |
24 |
2 |
0 |
| OW |
0 |
123 |
113 |
141 |
130 |
75 |
0 |
0 |
| VODI |
0 |
15 |
58 |
127 |
203 |
119 |
36 |
0 |
| ODI |
0 |
4 |
39 |
74 |
150 |
128 |
210 |
0 |
| CDI |
0 |
3 |
44 |
79 |
196 |
240 |
682 |
3 |
| VCDI |
0 |
5 |
29 |
152 |
224 |
705 |
7542 |
3902 |
|
...date precedes bulletin
|
Date: 2016-04-26:
| 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 |
13777 |
6807 |
1694 |
631 |
250 |
38 |
2 |
0 |
| OW |
0 |
3 |
73 |
120 |
141 |
59 |
9 |
0 |
| VODI |
0 |
3 |
40 |
154 |
191 |
105 |
38 |
0 |
| ODI |
0 |
3 |
12 |
110 |
179 |
265 |
254 |
0 |
| CDI |
0 |
5 |
4 |
68 |
224 |
711 |
938 |
6 |
| VCDI |
0 |
7 |
6 |
57 |
158 |
959 |
6116 |
3942 |
|
...date precedes bulletin
|
Date: 2016-04-28:
| 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 |
14624 |
6962 |
1076 |
366 |
133 |
44 |
1 |
0 |
| OW |
0 |
38 |
84 |
120 |
120 |
43 |
7 |
0 |
| VODI |
0 |
20 |
83 |
138 |
171 |
88 |
45 |
0 |
| ODI |
0 |
3 |
56 |
121 |
221 |
152 |
299 |
1 |
| CDI |
0 |
0 |
35 |
95 |
274 |
433 |
1091 |
10 |
| VCDI |
0 |
0 |
11 |
21 |
183 |
558 |
6571 |
3861 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14624 |
6970 |
1079 |
355 |
154 |
52 |
0 |
0 |
| OW |
0 |
34 |
79 |
122 |
94 |
41 |
12 |
0 |
| VODI |
0 |
15 |
85 |
152 |
180 |
93 |
72 |
0 |
| ODI |
0 |
4 |
57 |
114 |
209 |
132 |
262 |
0 |
| CDI |
0 |
0 |
35 |
97 |
265 |
426 |
1113 |
13 |
| VCDI |
0 |
0 |
10 |
21 |
200 |
574 |
6555 |
3859 |
|
Date: 2016-05-02:
| 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 |
16113 |
6237 |
643 |
232 |
147 |
63 |
10 |
0 |
| OW |
0 |
42 |
152 |
140 |
90 |
46 |
20 |
0 |
| VODI |
0 |
18 |
94 |
179 |
243 |
141 |
109 |
0 |
| ODI |
0 |
1 |
10 |
83 |
179 |
245 |
438 |
6 |
| CDI |
0 |
0 |
4 |
45 |
158 |
418 |
1604 |
6 |
| VCDI |
0 |
2 |
6 |
43 |
95 |
392 |
5897 |
3808 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16113 |
6182 |
553 |
222 |
137 |
67 |
23 |
0 |
| OW |
0 |
78 |
127 |
80 |
90 |
36 |
41 |
0 |
| VODI |
0 |
35 |
146 |
138 |
139 |
92 |
161 |
1 |
| ODI |
0 |
3 |
61 |
116 |
142 |
132 |
192 |
7 |
| CDI |
0 |
0 |
15 |
83 |
190 |
318 |
1029 |
4 |
| VCDI |
0 |
2 |
7 |
83 |
214 |
660 |
6632 |
3808 |
|
Date: 2016-05-04:
| 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 |
16055 |
6248 |
642 |
372 |
156 |
61 |
10 |
0 |
| OW |
0 |
21 |
126 |
162 |
137 |
29 |
43 |
0 |
| VODI |
0 |
12 |
85 |
150 |
214 |
101 |
126 |
0 |
| ODI |
0 |
0 |
18 |
130 |
134 |
189 |
346 |
6 |
| CDI |
0 |
0 |
7 |
55 |
167 |
416 |
1140 |
10 |
| VCDI |
0 |
0 |
5 |
28 |
84 |
390 |
6459 |
3825 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16055 |
6197 |
494 |
312 |
128 |
53 |
34 |
0 |
| OW |
0 |
70 |
136 |
100 |
67 |
20 |
69 |
0 |
| VODI |
0 |
13 |
142 |
161 |
174 |
65 |
121 |
5 |
| ODI |
0 |
1 |
60 |
158 |
144 |
109 |
167 |
8 |
| CDI |
0 |
0 |
36 |
127 |
190 |
310 |
880 |
19 |
| VCDI |
0 |
0 |
15 |
39 |
189 |
629 |
6853 |
3809 |
|
Date: 2016-05-06:
| 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 |
15822 |
5999 |
1182 |
328 |
170 |
44 |
36 |
0 |
| OW |
8 |
28 |
126 |
109 |
143 |
30 |
53 |
0 |
| VODI |
0 |
27 |
78 |
170 |
162 |
123 |
149 |
1 |
| ODI |
0 |
9 |
38 |
140 |
146 |
209 |
257 |
5 |
| CDI |
0 |
10 |
26 |
81 |
128 |
547 |
828 |
8 |
| VCDI |
0 |
4 |
5 |
23 |
84 |
936 |
6068 |
3819 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15817 |
5870 |
1014 |
271 |
151 |
64 |
71 |
0 |
| OW |
10 |
80 |
129 |
86 |
62 |
9 |
52 |
1 |
| VODI |
3 |
49 |
112 |
160 |
178 |
62 |
114 |
6 |
| ODI |
0 |
30 |
69 |
156 |
119 |
138 |
157 |
5 |
| CDI |
0 |
30 |
105 |
121 |
153 |
444 |
681 |
22 |
| VCDI |
0 |
18 |
26 |
57 |
170 |
1172 |
6316 |
3799 |
|
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