Validation of sea ice concentration
Bulletin date: 2019-01-24
Model vs. observations, sea ice class contingency tables
Date: 2019-01-18:
| 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 |
14171 |
6389 |
1070 |
398 |
84 |
8 |
9 |
0 |
| OW |
0 |
20 |
214 |
263 |
85 |
42 |
32 |
0 |
| VODI |
0 |
14 |
150 |
234 |
154 |
144 |
61 |
0 |
| ODI |
0 |
5 |
72 |
125 |
113 |
194 |
148 |
4 |
| CDI |
0 |
1 |
15 |
87 |
69 |
186 |
348 |
64 |
| VCDI |
0 |
0 |
6 |
106 |
191 |
710 |
7486 |
4687 |
|
...date precedes bulletin
|
Date: 2019-01-22:
| 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 |
14235 |
6204 |
1184 |
321 |
138 |
58 |
20 |
0 |
| OW |
0 |
47 |
233 |
113 |
81 |
66 |
31 |
0 |
| VODI |
0 |
28 |
190 |
156 |
111 |
127 |
102 |
0 |
| ODI |
0 |
0 |
63 |
92 |
87 |
124 |
253 |
2 |
| CDI |
0 |
0 |
15 |
44 |
65 |
96 |
732 |
78 |
| VCDI |
0 |
0 |
4 |
14 |
58 |
72 |
6180 |
6735 |
|
...date precedes bulletin
|
Date: 2019-01-24:
| 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 |
14440 |
6186 |
921 |
288 |
84 |
49 |
15 |
0 |
| OW |
0 |
94 |
196 |
120 |
58 |
57 |
42 |
0 |
| VODI |
0 |
66 |
159 |
158 |
80 |
117 |
96 |
0 |
| ODI |
0 |
15 |
88 |
82 |
98 |
117 |
222 |
2 |
| CDI |
0 |
8 |
49 |
43 |
67 |
161 |
681 |
15 |
| VCDI |
0 |
0 |
16 |
29 |
52 |
326 |
8817 |
4045 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14440 |
6195 |
966 |
306 |
90 |
57 |
21 |
0 |
| OW |
0 |
97 |
159 |
113 |
54 |
52 |
42 |
0 |
| VODI |
0 |
59 |
176 |
148 |
98 |
121 |
100 |
0 |
| ODI |
0 |
13 |
73 |
89 |
82 |
123 |
214 |
0 |
| CDI |
0 |
5 |
43 |
36 |
66 |
158 |
658 |
11 |
| VCDI |
0 |
0 |
12 |
28 |
49 |
316 |
8838 |
4051 |
|
Date: 2019-01-28:
| 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 |
14167 |
6118 |
1030 |
317 |
83 |
27 |
16 |
0 |
| OW |
0 |
24 |
204 |
172 |
63 |
74 |
46 |
0 |
| VODI |
0 |
5 |
167 |
184 |
121 |
86 |
80 |
0 |
| ODI |
0 |
0 |
44 |
92 |
151 |
145 |
167 |
3 |
| CDI |
0 |
0 |
34 |
44 |
116 |
229 |
630 |
12 |
| VCDI |
0 |
0 |
10 |
14 |
53 |
156 |
6358 |
6917 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14167 |
6030 |
912 |
323 |
93 |
40 |
25 |
0 |
| OW |
0 |
70 |
193 |
126 |
63 |
43 |
39 |
0 |
| VODI |
0 |
34 |
170 |
147 |
88 |
106 |
111 |
0 |
| ODI |
0 |
9 |
116 |
87 |
87 |
97 |
165 |
0 |
| CDI |
0 |
4 |
57 |
84 |
123 |
154 |
497 |
14 |
| VCDI |
0 |
0 |
41 |
56 |
133 |
277 |
6460 |
6918 |
|
Date: 2019-01-30:
| 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 |
14630 |
6067 |
724 |
247 |
55 |
2 |
2 |
0 |
| OW |
0 |
101 |
222 |
154 |
66 |
16 |
7 |
0 |
| VODI |
0 |
17 |
209 |
194 |
94 |
38 |
23 |
1 |
| ODI |
0 |
2 |
91 |
172 |
100 |
75 |
99 |
2 |
| CDI |
0 |
0 |
46 |
128 |
153 |
188 |
345 |
8 |
| VCDI |
0 |
0 |
31 |
97 |
160 |
473 |
8102 |
5018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14630 |
5945 |
675 |
240 |
87 |
13 |
4 |
0 |
| OW |
0 |
149 |
171 |
114 |
62 |
29 |
8 |
0 |
| VODI |
0 |
79 |
185 |
189 |
90 |
58 |
39 |
0 |
| ODI |
0 |
7 |
121 |
133 |
79 |
103 |
131 |
4 |
| CDI |
0 |
3 |
96 |
130 |
114 |
129 |
386 |
47 |
| VCDI |
0 |
4 |
75 |
186 |
196 |
460 |
8010 |
4978 |
|
Date: 2019-02-01:
| 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 |
14419 |
5929 |
925 |
261 |
66 |
15 |
7 |
0 |
| OW |
0 |
95 |
239 |
148 |
62 |
23 |
19 |
0 |
| VODI |
0 |
21 |
220 |
204 |
117 |
58 |
48 |
0 |
| ODI |
0 |
4 |
116 |
109 |
103 |
103 |
144 |
0 |
| CDI |
0 |
0 |
84 |
127 |
125 |
190 |
423 |
32 |
| VCDI |
0 |
0 |
53 |
188 |
242 |
897 |
6808 |
5535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14419 |
5873 |
755 |
240 |
99 |
54 |
73 |
0 |
| OW |
0 |
89 |
245 |
80 |
56 |
29 |
42 |
0 |
| VODI |
0 |
63 |
249 |
174 |
86 |
54 |
88 |
0 |
| ODI |
0 |
20 |
104 |
123 |
98 |
112 |
179 |
3 |
| CDI |
0 |
2 |
81 |
119 |
90 |
155 |
352 |
93 |
| VCDI |
0 |
2 |
203 |
301 |
286 |
882 |
6715 |
5471 |
|
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