Validation of sea ice concentration
Bulletin date: 2020-04-09
Model vs. observations, sea ice class contingency tables
Date: 2020-04-03:
| 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 |
11438 |
5644 |
1258 |
868 |
468 |
220 |
149 |
0 |
| OW |
0 |
2 |
83 |
186 |
208 |
140 |
108 |
0 |
| VODI |
0 |
0 |
19 |
88 |
166 |
236 |
153 |
0 |
| ODI |
0 |
0 |
12 |
38 |
103 |
189 |
178 |
3 |
| CDI |
0 |
0 |
3 |
8 |
61 |
196 |
583 |
87 |
| VCDI |
0 |
0 |
7 |
7 |
46 |
273 |
8137 |
6794 |
|
...date precedes bulletin
|
Date: 2020-04-07:
| 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 |
11987 |
6007 |
906 |
797 |
222 |
132 |
117 |
0 |
| OW |
0 |
64 |
58 |
189 |
163 |
77 |
61 |
0 |
| VODI |
0 |
9 |
15 |
99 |
129 |
128 |
141 |
0 |
| ODI |
0 |
5 |
5 |
42 |
103 |
136 |
240 |
0 |
| CDI |
0 |
0 |
2 |
19 |
61 |
139 |
590 |
45 |
| VCDI |
0 |
0 |
2 |
5 |
28 |
260 |
8195 |
6981 |
|
...date precedes bulletin
|
Date: 2020-04-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-04-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2020-04-15:
| 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 |
11724 |
6146 |
1399 |
687 |
379 |
162 |
55 |
0 |
| OW |
0 |
0 |
89 |
128 |
142 |
121 |
56 |
0 |
| VODI |
0 |
0 |
21 |
93 |
123 |
214 |
150 |
0 |
| ODI |
0 |
0 |
1 |
56 |
106 |
205 |
271 |
22 |
| CDI |
0 |
0 |
6 |
30 |
49 |
187 |
775 |
103 |
| VCDI |
0 |
0 |
0 |
20 |
54 |
199 |
5650 |
8736 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11724 |
6138 |
1322 |
619 |
377 |
179 |
73 |
0 |
| OW |
0 |
8 |
142 |
157 |
124 |
134 |
74 |
0 |
| VODI |
0 |
0 |
39 |
120 |
140 |
223 |
173 |
0 |
| ODI |
0 |
0 |
6 |
58 |
85 |
194 |
293 |
12 |
| CDI |
0 |
0 |
3 |
32 |
73 |
154 |
737 |
119 |
| VCDI |
0 |
0 |
4 |
28 |
54 |
204 |
5607 |
8730 |
|
Date: 2020-04-17:
| 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 |
11564 |
6098 |
1820 |
716 |
345 |
169 |
57 |
0 |
| OW |
0 |
0 |
130 |
126 |
147 |
104 |
63 |
0 |
| VODI |
0 |
0 |
55 |
123 |
221 |
229 |
160 |
0 |
| ODI |
0 |
0 |
7 |
72 |
148 |
193 |
314 |
4 |
| CDI |
0 |
0 |
1 |
51 |
92 |
237 |
918 |
36 |
| VCDI |
0 |
0 |
0 |
28 |
76 |
277 |
8824 |
4754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11564 |
6069 |
1712 |
706 |
365 |
197 |
62 |
0 |
| OW |
0 |
21 |
189 |
123 |
122 |
130 |
72 |
0 |
| VODI |
0 |
8 |
75 |
116 |
198 |
189 |
251 |
1 |
| ODI |
0 |
0 |
22 |
52 |
123 |
167 |
340 |
8 |
| CDI |
0 |
0 |
10 |
64 |
114 |
200 |
966 |
24 |
| VCDI |
0 |
0 |
5 |
55 |
107 |
326 |
8645 |
4761 |
|
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