Validation of sea ice concentration
Bulletin date: 2016-07-14
Model vs. observations, sea ice class contingency tables
Date: 2016-07-08:
| 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 |
22338 |
6962 |
613 |
416 |
144 |
52 |
157 |
12 |
| OW |
0 |
17 |
50 |
135 |
127 |
106 |
67 |
0 |
| VODI |
0 |
3 |
20 |
70 |
211 |
377 |
213 |
2 |
| ODI |
0 |
0 |
2 |
31 |
117 |
217 |
450 |
1 |
| CDI |
0 |
0 |
0 |
3 |
12 |
90 |
1792 |
736 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
156 |
2460 |
|
...date precedes bulletin
|
Date: 2016-07-12:
| 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 |
23575 |
6128 |
673 |
231 |
103 |
22 |
134 |
13 |
| OW |
0 |
3 |
131 |
132 |
93 |
27 |
36 |
0 |
| VODI |
0 |
0 |
30 |
145 |
244 |
152 |
168 |
2 |
| ODI |
0 |
0 |
7 |
28 |
72 |
186 |
439 |
1 |
| CDI |
0 |
0 |
2 |
13 |
23 |
67 |
2116 |
1548 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
0 |
22 |
1589 |
|
...date precedes bulletin
|
Date: 2016-07-14:
| 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 |
23588 |
6209 |
604 |
302 |
101 |
27 |
148 |
13 |
| OW |
0 |
21 |
155 |
86 |
102 |
58 |
88 |
0 |
| VODI |
0 |
1 |
25 |
59 |
201 |
206 |
275 |
2 |
| ODI |
0 |
0 |
8 |
6 |
37 |
119 |
560 |
1 |
| CDI |
0 |
0 |
2 |
5 |
10 |
37 |
1976 |
2417 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
14 |
696 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23588 |
6215 |
621 |
327 |
125 |
36 |
147 |
13 |
| OW |
0 |
14 |
129 |
80 |
106 |
64 |
93 |
0 |
| VODI |
0 |
2 |
31 |
41 |
169 |
176 |
274 |
2 |
| ODI |
0 |
0 |
8 |
5 |
40 |
124 |
505 |
1 |
| CDI |
0 |
0 |
5 |
5 |
11 |
47 |
2007 |
2095 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
35 |
1018 |
|
Date: 2016-07-18:
| 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 |
25087 |
4965 |
719 |
307 |
140 |
42 |
112 |
0 |
| OW |
0 |
1 |
44 |
43 |
77 |
67 |
71 |
0 |
| VODI |
0 |
0 |
10 |
39 |
86 |
146 |
244 |
0 |
| ODI |
0 |
0 |
0 |
14 |
35 |
159 |
732 |
14 |
| CDI |
0 |
0 |
0 |
5 |
11 |
44 |
2039 |
2795 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
32 |
73 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25087 |
4953 |
645 |
307 |
149 |
52 |
130 |
0 |
| OW |
0 |
13 |
100 |
52 |
93 |
101 |
128 |
0 |
| VODI |
0 |
0 |
19 |
32 |
70 |
160 |
417 |
0 |
| ODI |
0 |
0 |
8 |
12 |
27 |
103 |
731 |
20 |
| CDI |
0 |
0 |
1 |
5 |
10 |
42 |
1793 |
2813 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
31 |
49 |
|
Date: 2016-07-20:
| 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 |
23434 |
6653 |
786 |
391 |
102 |
20 |
111 |
0 |
| OW |
0 |
4 |
74 |
80 |
63 |
31 |
88 |
0 |
| VODI |
0 |
0 |
15 |
84 |
130 |
138 |
322 |
4 |
| ODI |
0 |
0 |
0 |
20 |
32 |
86 |
992 |
57 |
| CDI |
0 |
0 |
0 |
1 |
4 |
25 |
1570 |
2804 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
31 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23434 |
6572 |
731 |
453 |
127 |
39 |
126 |
0 |
| OW |
0 |
79 |
79 |
54 |
92 |
64 |
140 |
0 |
| VODI |
0 |
6 |
56 |
49 |
87 |
103 |
468 |
3 |
| ODI |
0 |
0 |
9 |
17 |
21 |
67 |
840 |
54 |
| CDI |
0 |
0 |
0 |
3 |
4 |
27 |
1509 |
2748 |
| VCDI |
0 |
0 |
0 |
4 |
1 |
1 |
31 |
61 |
|
Date: 2016-07-22:
| 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 |
24528 |
5631 |
840 |
172 |
86 |
28 |
46 |
128 |
| OW |
0 |
2 |
39 |
76 |
92 |
60 |
102 |
10 |
| VODI |
0 |
0 |
1 |
43 |
130 |
178 |
366 |
31 |
| ODI |
0 |
0 |
0 |
17 |
40 |
82 |
1090 |
88 |
| CDI |
0 |
0 |
0 |
1 |
4 |
12 |
1185 |
3014 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
10 |
27 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24528 |
5612 |
803 |
227 |
141 |
81 |
108 |
139 |
| OW |
0 |
20 |
51 |
39 |
80 |
104 |
193 |
9 |
| VODI |
0 |
1 |
23 |
30 |
90 |
108 |
497 |
27 |
| ODI |
0 |
0 |
3 |
11 |
36 |
57 |
934 |
207 |
| CDI |
0 |
0 |
0 |
2 |
5 |
10 |
1057 |
2883 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
10 |
33 |
|
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