Validation of sea ice concentration
Bulletin date: 2017-04-20
Model vs. observations, sea ice class contingency tables
Date: 2017-04-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-04-18:
| 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 |
12742 |
5915 |
1193 |
656 |
174 |
68 |
30 |
0 |
| OW |
0 |
4 |
109 |
216 |
114 |
66 |
26 |
0 |
| VODI |
0 |
0 |
79 |
167 |
150 |
134 |
68 |
0 |
| ODI |
0 |
0 |
51 |
97 |
118 |
168 |
141 |
9 |
| CDI |
0 |
0 |
5 |
51 |
97 |
239 |
578 |
61 |
| VCDI |
0 |
0 |
1 |
53 |
73 |
355 |
8133 |
6018 |
|
...date precedes bulletin
|
Date: 2017-04-20:
| 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 |
12972 |
5993 |
1260 |
389 |
164 |
62 |
20 |
0 |
| OW |
0 |
3 |
171 |
183 |
73 |
72 |
20 |
0 |
| VODI |
0 |
0 |
94 |
172 |
117 |
98 |
52 |
0 |
| ODI |
0 |
0 |
37 |
136 |
122 |
130 |
143 |
9 |
| CDI |
0 |
0 |
10 |
79 |
114 |
200 |
536 |
59 |
| VCDI |
0 |
0 |
6 |
59 |
131 |
525 |
8461 |
5487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12972 |
5993 |
1277 |
427 |
188 |
76 |
18 |
0 |
| OW |
0 |
3 |
160 |
158 |
63 |
70 |
22 |
0 |
| VODI |
0 |
0 |
88 |
180 |
119 |
111 |
64 |
0 |
| ODI |
0 |
0 |
35 |
120 |
126 |
116 |
127 |
10 |
| CDI |
0 |
0 |
11 |
76 |
96 |
196 |
541 |
70 |
| VCDI |
0 |
0 |
7 |
57 |
129 |
518 |
8460 |
5475 |
|
Date: 2017-04-24:
| 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 |
13063 |
6118 |
965 |
449 |
163 |
47 |
5 |
0 |
| OW |
0 |
37 |
185 |
200 |
82 |
56 |
11 |
0 |
| VODI |
0 |
9 |
78 |
192 |
153 |
102 |
54 |
0 |
| ODI |
0 |
0 |
11 |
89 |
147 |
150 |
172 |
0 |
| CDI |
0 |
0 |
1 |
63 |
119 |
248 |
973 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
75 |
444 |
9013 |
4665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13063 |
6089 |
929 |
479 |
181 |
81 |
12 |
0 |
| OW |
0 |
54 |
145 |
144 |
89 |
54 |
24 |
0 |
| VODI |
0 |
19 |
91 |
140 |
114 |
109 |
88 |
0 |
| ODI |
0 |
2 |
64 |
95 |
127 |
135 |
225 |
0 |
| CDI |
0 |
0 |
11 |
107 |
110 |
178 |
926 |
0 |
| VCDI |
0 |
0 |
0 |
48 |
118 |
490 |
8953 |
4665 |
|
Date: 2017-04-26:
| 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 |
12988 |
6070 |
1021 |
586 |
185 |
45 |
13 |
0 |
| OW |
0 |
29 |
122 |
215 |
87 |
45 |
26 |
0 |
| VODI |
0 |
1 |
83 |
149 |
125 |
106 |
56 |
0 |
| ODI |
0 |
0 |
22 |
79 |
93 |
153 |
187 |
0 |
| CDI |
0 |
0 |
3 |
38 |
93 |
270 |
986 |
12 |
| VCDI |
0 |
0 |
0 |
18 |
64 |
465 |
8333 |
5391 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12988 |
6044 |
959 |
576 |
211 |
63 |
33 |
0 |
| OW |
0 |
30 |
120 |
157 |
70 |
49 |
33 |
0 |
| VODI |
0 |
22 |
98 |
147 |
107 |
107 |
93 |
0 |
| ODI |
0 |
4 |
60 |
99 |
88 |
155 |
255 |
0 |
| CDI |
0 |
0 |
14 |
86 |
82 |
217 |
997 |
19 |
| VCDI |
0 |
0 |
0 |
20 |
89 |
493 |
8190 |
5384 |
|
Date: 2017-04-28:
| 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 |
13019 |
6090 |
1109 |
433 |
193 |
63 |
32 |
0 |
| OW |
0 |
28 |
163 |
144 |
96 |
69 |
52 |
0 |
| VODI |
0 |
4 |
102 |
118 |
99 |
104 |
129 |
0 |
| ODI |
0 |
0 |
16 |
61 |
86 |
124 |
233 |
0 |
| CDI |
0 |
0 |
2 |
42 |
94 |
278 |
846 |
6 |
| VCDI |
0 |
0 |
0 |
18 |
51 |
490 |
8570 |
5195 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13019 |
6050 |
1051 |
450 |
205 |
107 |
53 |
0 |
| OW |
0 |
43 |
88 |
106 |
87 |
64 |
87 |
0 |
| VODI |
0 |
24 |
159 |
101 |
102 |
123 |
189 |
0 |
| ODI |
0 |
5 |
67 |
70 |
54 |
154 |
277 |
0 |
| CDI |
0 |
0 |
25 |
71 |
99 |
189 |
740 |
22 |
| VCDI |
0 |
0 |
2 |
18 |
72 |
491 |
8516 |
5179 |
|
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