Validation of sea ice concentration
Bulletin date: 2018-03-22
Model vs. observations, sea ice class contingency tables
Date: 2018-03-16:
| 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 |
13816 |
6124 |
918 |
327 |
160 |
113 |
48 |
0 |
| OW |
0 |
17 |
196 |
122 |
70 |
62 |
39 |
0 |
| VODI |
0 |
0 |
94 |
136 |
74 |
143 |
85 |
0 |
| ODI |
0 |
0 |
28 |
82 |
89 |
157 |
154 |
0 |
| CDI |
0 |
0 |
14 |
53 |
59 |
209 |
625 |
50 |
| VCDI |
0 |
0 |
2 |
18 |
46 |
278 |
7801 |
5950 |
|
...date precedes bulletin
|
Date: 2018-03-20:
| 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 |
13557 |
6258 |
1046 |
449 |
201 |
76 |
1 |
0 |
| OW |
0 |
11 |
122 |
167 |
139 |
72 |
6 |
0 |
| VODI |
0 |
12 |
77 |
114 |
177 |
150 |
27 |
0 |
| ODI |
0 |
1 |
39 |
64 |
129 |
183 |
95 |
0 |
| CDI |
0 |
1 |
32 |
64 |
129 |
333 |
547 |
66 |
| VCDI |
0 |
0 |
16 |
34 |
101 |
688 |
6288 |
6687 |
|
...date precedes bulletin
|
Date: 2018-03-22:
| 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 |
13339 |
6492 |
992 |
403 |
135 |
48 |
7 |
0 |
| OW |
0 |
18 |
145 |
184 |
94 |
58 |
8 |
0 |
| VODI |
0 |
6 |
62 |
153 |
144 |
106 |
33 |
0 |
| ODI |
0 |
0 |
15 |
66 |
134 |
164 |
138 |
0 |
| CDI |
0 |
0 |
10 |
53 |
130 |
244 |
630 |
53 |
| VCDI |
0 |
0 |
3 |
39 |
117 |
440 |
6872 |
6624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13339 |
6493 |
999 |
421 |
150 |
52 |
7 |
0 |
| OW |
0 |
18 |
134 |
165 |
87 |
56 |
9 |
0 |
| VODI |
0 |
5 |
66 |
152 |
139 |
104 |
30 |
0 |
| ODI |
0 |
0 |
16 |
69 |
136 |
162 |
123 |
0 |
| CDI |
0 |
0 |
10 |
52 |
131 |
244 |
624 |
50 |
| VCDI |
0 |
0 |
2 |
39 |
111 |
442 |
6895 |
6627 |
|
Date: 2018-03-26:
| 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 |
13461 |
6255 |
1005 |
355 |
211 |
121 |
15 |
0 |
| OW |
0 |
16 |
151 |
123 |
84 |
106 |
26 |
0 |
| VODI |
0 |
0 |
69 |
111 |
133 |
170 |
56 |
0 |
| ODI |
0 |
0 |
3 |
51 |
106 |
248 |
204 |
0 |
| CDI |
0 |
0 |
2 |
6 |
55 |
266 |
713 |
30 |
| VCDI |
0 |
0 |
0 |
6 |
22 |
411 |
7457 |
6111 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13461 |
6246 |
936 |
342 |
207 |
115 |
16 |
0 |
| OW |
0 |
24 |
166 |
83 |
94 |
80 |
21 |
0 |
| VODI |
0 |
1 |
86 |
99 |
103 |
157 |
63 |
0 |
| ODI |
0 |
0 |
36 |
64 |
81 |
188 |
156 |
0 |
| CDI |
0 |
0 |
6 |
55 |
89 |
265 |
562 |
22 |
| VCDI |
0 |
0 |
0 |
9 |
37 |
517 |
7653 |
6119 |
|
Date: 2018-03-28:
| 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 |
13506 |
6005 |
967 |
419 |
259 |
179 |
23 |
0 |
| OW |
0 |
4 |
125 |
108 |
82 |
110 |
31 |
0 |
| VODI |
0 |
0 |
47 |
93 |
117 |
168 |
92 |
0 |
| ODI |
0 |
0 |
4 |
34 |
68 |
211 |
196 |
0 |
| CDI |
0 |
0 |
1 |
9 |
30 |
288 |
619 |
16 |
| VCDI |
0 |
0 |
0 |
7 |
19 |
305 |
6871 |
7146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13506 |
5999 |
903 |
388 |
231 |
174 |
21 |
0 |
| OW |
0 |
10 |
133 |
103 |
93 |
88 |
29 |
0 |
| VODI |
0 |
0 |
84 |
98 |
97 |
171 |
100 |
0 |
| ODI |
0 |
0 |
22 |
54 |
91 |
205 |
180 |
0 |
| CDI |
0 |
0 |
2 |
22 |
34 |
297 |
602 |
10 |
| VCDI |
0 |
0 |
0 |
5 |
29 |
326 |
6900 |
7152 |
|
Date: 2018-03-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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