Validation of sea ice concentration
Bulletin date: 2019-12-19
Model vs. observations, sea ice class contingency tables
Date: 2019-12-13:
| 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 |
14444 |
6727 |
760 |
323 |
108 |
138 |
66 |
0 |
| OW |
0 |
114 |
194 |
114 |
36 |
44 |
27 |
0 |
| VODI |
0 |
50 |
167 |
160 |
66 |
93 |
64 |
0 |
| ODI |
0 |
23 |
60 |
116 |
71 |
56 |
109 |
0 |
| CDI |
0 |
7 |
44 |
95 |
122 |
129 |
347 |
28 |
| VCDI |
0 |
0 |
21 |
77 |
162 |
466 |
7460 |
5071 |
|
...date precedes bulletin
|
Date: 2019-12-17:
| 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 |
14597 |
6631 |
713 |
294 |
170 |
103 |
118 |
0 |
| OW |
0 |
54 |
124 |
144 |
124 |
58 |
34 |
0 |
| VODI |
0 |
27 |
68 |
112 |
93 |
93 |
98 |
0 |
| ODI |
0 |
8 |
33 |
48 |
58 |
93 |
166 |
0 |
| CDI |
0 |
1 |
30 |
25 |
75 |
164 |
309 |
14 |
| VCDI |
0 |
0 |
9 |
36 |
78 |
354 |
7419 |
5584 |
|
...date precedes bulletin
|
Date: 2019-12-19:
| 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 |
14422 |
6673 |
683 |
256 |
109 |
63 |
132 |
0 |
| OW |
0 |
82 |
168 |
122 |
66 |
48 |
36 |
0 |
| VODI |
0 |
37 |
112 |
172 |
97 |
89 |
72 |
0 |
| ODI |
0 |
12 |
35 |
97 |
43 |
61 |
139 |
12 |
| CDI |
0 |
2 |
29 |
58 |
86 |
113 |
304 |
84 |
| VCDI |
0 |
0 |
19 |
89 |
98 |
278 |
6876 |
6285 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14422 |
6651 |
690 |
267 |
115 |
72 |
137 |
0 |
| OW |
0 |
94 |
153 |
104 |
65 |
42 |
31 |
0 |
| VODI |
0 |
44 |
109 |
174 |
83 |
87 |
64 |
0 |
| ODI |
0 |
15 |
49 |
102 |
49 |
49 |
117 |
11 |
| CDI |
0 |
2 |
25 |
59 |
87 |
114 |
273 |
95 |
| VCDI |
0 |
0 |
20 |
88 |
100 |
288 |
6937 |
6275 |
|
Date: 2019-12-23:
| 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 |
14138 |
6741 |
635 |
376 |
195 |
44 |
51 |
0 |
| OW |
0 |
94 |
200 |
146 |
91 |
36 |
14 |
0 |
| VODI |
0 |
45 |
91 |
196 |
119 |
83 |
18 |
0 |
| ODI |
0 |
22 |
36 |
119 |
86 |
130 |
106 |
5 |
| CDI |
0 |
0 |
15 |
33 |
106 |
190 |
327 |
46 |
| VCDI |
0 |
0 |
12 |
46 |
55 |
551 |
8098 |
4863 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14138 |
6623 |
576 |
359 |
231 |
61 |
60 |
0 |
| OW |
0 |
145 |
136 |
100 |
56 |
46 |
6 |
0 |
| VODI |
0 |
82 |
144 |
167 |
91 |
65 |
13 |
0 |
| ODI |
0 |
37 |
80 |
126 |
68 |
102 |
89 |
6 |
| CDI |
0 |
15 |
37 |
89 |
74 |
121 |
317 |
47 |
| VCDI |
0 |
0 |
16 |
75 |
132 |
639 |
8129 |
4861 |
|
Date: 2019-12-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2019-12-27:
| 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 |
13976 |
5981 |
1128 |
310 |
221 |
79 |
65 |
0 |
| OW |
0 |
12 |
233 |
110 |
99 |
68 |
27 |
0 |
| VODI |
0 |
8 |
129 |
128 |
140 |
96 |
47 |
0 |
| ODI |
0 |
7 |
37 |
63 |
120 |
129 |
98 |
0 |
| CDI |
0 |
8 |
26 |
44 |
124 |
142 |
416 |
27 |
| VCDI |
0 |
0 |
22 |
51 |
130 |
255 |
7538 |
6065 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13976 |
5926 |
1016 |
301 |
231 |
129 |
114 |
0 |
| OW |
0 |
57 |
211 |
103 |
102 |
95 |
52 |
0 |
| VODI |
0 |
20 |
180 |
97 |
113 |
89 |
109 |
0 |
| ODI |
0 |
8 |
97 |
74 |
86 |
83 |
168 |
0 |
| CDI |
0 |
5 |
53 |
81 |
132 |
108 |
374 |
41 |
| VCDI |
0 |
0 |
18 |
50 |
170 |
265 |
7374 |
6051 |
|
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