Validation of sea ice concentration
Bulletin date: 2019-02-21
Model vs. observations, sea ice class contingency tables
Date: 2019-02-15:
| 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 |
13981 |
5974 |
861 |
358 |
164 |
80 |
8 |
0 |
| OW |
0 |
23 |
140 |
170 |
109 |
110 |
25 |
0 |
| VODI |
0 |
9 |
56 |
171 |
173 |
220 |
70 |
0 |
| ODI |
0 |
5 |
37 |
79 |
124 |
272 |
157 |
0 |
| CDI |
0 |
0 |
20 |
46 |
116 |
279 |
493 |
7 |
| VCDI |
0 |
0 |
11 |
36 |
83 |
228 |
7025 |
6439 |
|
...date precedes bulletin
|
Date: 2019-02-19:
| 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 |
13708 |
5858 |
765 |
482 |
196 |
78 |
18 |
0 |
| OW |
0 |
27 |
173 |
133 |
79 |
63 |
22 |
0 |
| VODI |
0 |
4 |
107 |
193 |
128 |
179 |
77 |
0 |
| ODI |
0 |
0 |
50 |
78 |
118 |
249 |
121 |
0 |
| CDI |
0 |
0 |
22 |
74 |
109 |
335 |
363 |
20 |
| VCDI |
0 |
0 |
7 |
63 |
143 |
671 |
7902 |
5544 |
|
...date precedes bulletin
|
Date: 2019-02-21:
| 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 |
13564 |
5734 |
839 |
341 |
247 |
137 |
63 |
0 |
| OW |
0 |
41 |
168 |
91 |
84 |
67 |
55 |
0 |
| VODI |
0 |
9 |
116 |
100 |
108 |
119 |
112 |
0 |
| ODI |
0 |
0 |
42 |
115 |
136 |
193 |
199 |
0 |
| CDI |
0 |
0 |
21 |
81 |
124 |
245 |
598 |
30 |
| VCDI |
0 |
0 |
2 |
41 |
114 |
287 |
5782 |
8154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13564 |
5748 |
844 |
347 |
242 |
135 |
76 |
0 |
| OW |
0 |
29 |
174 |
87 |
76 |
58 |
50 |
0 |
| VODI |
0 |
7 |
112 |
103 |
134 |
122 |
126 |
0 |
| ODI |
0 |
0 |
38 |
106 |
128 |
222 |
208 |
0 |
| CDI |
0 |
0 |
18 |
80 |
122 |
235 |
595 |
40 |
| VCDI |
0 |
0 |
2 |
46 |
111 |
276 |
5754 |
8144 |
|
Date: 2019-02-25:
| 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 |
13635 |
5886 |
1045 |
299 |
128 |
47 |
26 |
0 |
| OW |
0 |
36 |
214 |
162 |
104 |
46 |
21 |
0 |
| VODI |
0 |
6 |
126 |
172 |
198 |
123 |
86 |
0 |
| ODI |
0 |
0 |
36 |
131 |
173 |
194 |
191 |
0 |
| CDI |
0 |
0 |
9 |
59 |
134 |
276 |
439 |
15 |
| VCDI |
0 |
0 |
2 |
30 |
136 |
535 |
7040 |
6399 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13635 |
5896 |
1033 |
310 |
150 |
75 |
44 |
0 |
| OW |
0 |
29 |
168 |
137 |
95 |
53 |
29 |
0 |
| VODI |
0 |
3 |
143 |
151 |
159 |
116 |
77 |
0 |
| ODI |
0 |
0 |
58 |
112 |
177 |
163 |
169 |
0 |
| CDI |
0 |
0 |
21 |
84 |
124 |
285 |
466 |
7 |
| VCDI |
0 |
0 |
9 |
59 |
168 |
529 |
7018 |
6407 |
|
Date: 2019-02-27:
| 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 |
13509 |
5886 |
911 |
420 |
135 |
41 |
17 |
0 |
| OW |
0 |
32 |
172 |
165 |
101 |
37 |
25 |
0 |
| VODI |
0 |
1 |
82 |
185 |
187 |
99 |
66 |
0 |
| ODI |
0 |
0 |
25 |
150 |
197 |
150 |
183 |
0 |
| CDI |
0 |
0 |
15 |
88 |
193 |
252 |
471 |
23 |
| VCDI |
0 |
0 |
4 |
73 |
212 |
887 |
8202 |
4963 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13509 |
5838 |
840 |
445 |
185 |
63 |
36 |
0 |
| OW |
0 |
65 |
172 |
139 |
90 |
37 |
26 |
0 |
| VODI |
0 |
16 |
115 |
161 |
164 |
105 |
73 |
0 |
| ODI |
0 |
0 |
47 |
109 |
183 |
152 |
147 |
0 |
| CDI |
0 |
0 |
31 |
144 |
201 |
256 |
478 |
0 |
| VCDI |
0 |
0 |
4 |
83 |
202 |
853 |
8204 |
4986 |
|
Date: 2019-03-01:
| 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 |
13594 |
5711 |
611 |
506 |
153 |
50 |
26 |
0 |
| OW |
0 |
87 |
169 |
165 |
83 |
26 |
23 |
0 |
| VODI |
0 |
19 |
119 |
215 |
130 |
90 |
48 |
0 |
| ODI |
0 |
5 |
31 |
122 |
144 |
161 |
135 |
5 |
| CDI |
0 |
3 |
13 |
95 |
135 |
237 |
386 |
56 |
| VCDI |
0 |
0 |
8 |
124 |
172 |
785 |
7507 |
6210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13594 |
5638 |
583 |
569 |
200 |
77 |
51 |
0 |
| OW |
0 |
89 |
129 |
104 |
78 |
40 |
32 |
0 |
| VODI |
0 |
60 |
126 |
153 |
94 |
87 |
54 |
0 |
| ODI |
0 |
33 |
59 |
144 |
132 |
189 |
146 |
1 |
| CDI |
0 |
5 |
38 |
108 |
121 |
270 |
517 |
51 |
| VCDI |
0 |
0 |
16 |
149 |
192 |
686 |
7325 |
6219 |
|
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