Validation of sea ice concentration
Bulletin date: 2019-02-14
Model vs. observations, sea ice class contingency tables
Date: 2019-02-08:
| 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 |
14223 |
6459 |
558 |
262 |
67 |
21 |
3 |
0 |
| OW |
1 |
125 |
263 |
129 |
47 |
22 |
5 |
0 |
| VODI |
1 |
82 |
189 |
208 |
98 |
51 |
24 |
0 |
| ODI |
0 |
45 |
89 |
200 |
154 |
119 |
95 |
1 |
| CDI |
0 |
22 |
69 |
182 |
184 |
228 |
380 |
71 |
| VCDI |
0 |
13 |
85 |
204 |
374 |
539 |
7179 |
5088 |
|
...date precedes bulletin
|
Date: 2019-02-12:
| 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 |
14162 |
6154 |
663 |
451 |
157 |
77 |
16 |
0 |
| OW |
0 |
45 |
182 |
196 |
93 |
54 |
25 |
0 |
| VODI |
0 |
27 |
107 |
257 |
171 |
127 |
75 |
0 |
| ODI |
0 |
15 |
43 |
152 |
183 |
191 |
176 |
0 |
| CDI |
0 |
4 |
36 |
95 |
117 |
259 |
482 |
39 |
| VCDI |
0 |
0 |
11 |
97 |
116 |
379 |
7437 |
5288 |
|
...date precedes bulletin
|
Date: 2019-02-14:
| 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 |
13992 |
5980 |
897 |
348 |
204 |
90 |
14 |
0 |
| OW |
0 |
18 |
149 |
142 |
121 |
134 |
26 |
0 |
| VODI |
0 |
10 |
112 |
142 |
121 |
246 |
68 |
0 |
| ODI |
0 |
4 |
37 |
142 |
110 |
237 |
143 |
0 |
| CDI |
0 |
0 |
19 |
97 |
140 |
307 |
525 |
14 |
| VCDI |
0 |
0 |
6 |
58 |
116 |
355 |
7302 |
5733 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13991 |
5979 |
912 |
364 |
205 |
107 |
20 |
0 |
| OW |
1 |
18 |
145 |
127 |
114 |
112 |
29 |
0 |
| VODI |
0 |
10 |
98 |
152 |
129 |
245 |
62 |
0 |
| ODI |
0 |
5 |
35 |
130 |
110 |
243 |
145 |
0 |
| CDI |
0 |
0 |
21 |
96 |
129 |
304 |
558 |
9 |
| VCDI |
0 |
0 |
9 |
60 |
125 |
358 |
7264 |
5738 |
|
Date: 2019-02-18:
| 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 |
14804 |
5959 |
106 |
174 |
113 |
55 |
14 |
0 |
| OW |
0 |
247 |
28 |
96 |
92 |
75 |
30 |
0 |
| VODI |
0 |
188 |
36 |
99 |
148 |
157 |
62 |
0 |
| ODI |
0 |
77 |
12 |
60 |
130 |
233 |
135 |
0 |
| CDI |
0 |
47 |
25 |
57 |
138 |
364 |
423 |
4 |
| VCDI |
0 |
23 |
9 |
33 |
114 |
666 |
7405 |
5721 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14804 |
5896 |
97 |
143 |
112 |
52 |
17 |
0 |
| OW |
0 |
251 |
32 |
71 |
64 |
46 |
16 |
0 |
| VODI |
0 |
178 |
25 |
120 |
111 |
112 |
68 |
0 |
| ODI |
0 |
88 |
20 |
70 |
139 |
215 |
113 |
0 |
| CDI |
0 |
65 |
15 |
47 |
122 |
318 |
314 |
3 |
| VCDI |
0 |
63 |
27 |
68 |
187 |
807 |
7541 |
5722 |
|
Date: 2019-02-20:
| 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 |
13525 |
5728 |
884 |
356 |
274 |
128 |
40 |
0 |
| OW |
0 |
50 |
154 |
106 |
92 |
59 |
43 |
0 |
| VODI |
0 |
16 |
99 |
144 |
147 |
169 |
85 |
0 |
| ODI |
0 |
0 |
47 |
71 |
122 |
242 |
167 |
0 |
| CDI |
0 |
0 |
25 |
70 |
105 |
320 |
524 |
16 |
| VCDI |
0 |
0 |
5 |
46 |
86 |
329 |
6994 |
6891 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13525 |
5700 |
879 |
361 |
257 |
133 |
57 |
0 |
| OW |
0 |
62 |
133 |
92 |
85 |
54 |
47 |
0 |
| VODI |
0 |
28 |
99 |
123 |
134 |
131 |
93 |
0 |
| ODI |
0 |
3 |
47 |
82 |
145 |
249 |
149 |
0 |
| CDI |
0 |
1 |
48 |
71 |
104 |
324 |
406 |
15 |
| VCDI |
0 |
0 |
8 |
64 |
101 |
356 |
7101 |
6892 |
|
Date: 2019-02-22:
| 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 |
13683 |
5695 |
847 |
360 |
222 |
118 |
56 |
0 |
| OW |
0 |
46 |
161 |
100 |
76 |
73 |
46 |
0 |
| VODI |
0 |
13 |
94 |
123 |
113 |
122 |
108 |
0 |
| ODI |
0 |
0 |
35 |
96 |
140 |
210 |
193 |
0 |
| CDI |
0 |
0 |
27 |
63 |
125 |
221 |
613 |
9 |
| VCDI |
0 |
0 |
5 |
19 |
118 |
248 |
5865 |
8116 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13683 |
5644 |
817 |
358 |
220 |
127 |
68 |
0 |
| OW |
0 |
63 |
125 |
81 |
73 |
67 |
51 |
0 |
| VODI |
0 |
36 |
109 |
99 |
91 |
126 |
106 |
0 |
| ODI |
0 |
9 |
55 |
93 |
116 |
170 |
188 |
0 |
| CDI |
0 |
2 |
55 |
99 |
144 |
204 |
560 |
1 |
| VCDI |
0 |
0 |
8 |
31 |
150 |
298 |
5908 |
8124 |
|
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