Validation of sea ice concentration
Bulletin date: 2019-02-07
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2019-02-05:
| 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 |
14301 |
6485 |
664 |
350 |
97 |
20 |
0 |
0 |
| OW |
1 |
141 |
145 |
175 |
91 |
34 |
4 |
0 |
| VODI |
0 |
92 |
120 |
205 |
143 |
85 |
26 |
0 |
| ODI |
0 |
65 |
70 |
205 |
213 |
157 |
110 |
2 |
| CDI |
0 |
108 |
38 |
196 |
219 |
276 |
401 |
40 |
| VCDI |
0 |
80 |
22 |
124 |
214 |
536 |
6070 |
5834 |
|
...date precedes bulletin
|
Date: 2019-02-07:
| 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 |
14193 |
6507 |
614 |
261 |
61 |
30 |
4 |
0 |
| OW |
1 |
127 |
243 |
136 |
32 |
21 |
7 |
0 |
| VODI |
1 |
88 |
240 |
220 |
103 |
51 |
29 |
0 |
| ODI |
0 |
35 |
109 |
198 |
225 |
119 |
94 |
0 |
| CDI |
0 |
19 |
80 |
192 |
179 |
257 |
407 |
53 |
| VCDI |
0 |
9 |
62 |
183 |
253 |
593 |
6939 |
5184 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14193 |
6536 |
642 |
265 |
61 |
33 |
5 |
0 |
| OW |
1 |
113 |
243 |
156 |
33 |
20 |
6 |
0 |
| VODI |
1 |
69 |
211 |
219 |
123 |
55 |
31 |
0 |
| ODI |
0 |
34 |
102 |
163 |
213 |
125 |
93 |
0 |
| CDI |
0 |
19 |
73 |
203 |
176 |
250 |
440 |
43 |
| VCDI |
0 |
14 |
77 |
184 |
247 |
588 |
6905 |
5194 |
|
Date: 2019-02-11:
| 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 |
14149 |
6307 |
558 |
403 |
146 |
39 |
15 |
0 |
| OW |
0 |
72 |
159 |
227 |
130 |
54 |
23 |
0 |
| VODI |
0 |
33 |
93 |
278 |
237 |
169 |
63 |
0 |
| ODI |
0 |
19 |
25 |
135 |
194 |
245 |
256 |
0 |
| CDI |
0 |
12 |
33 |
70 |
136 |
352 |
609 |
48 |
| VCDI |
0 |
0 |
11 |
49 |
80 |
418 |
6775 |
5537 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14147 |
6220 |
489 |
360 |
129 |
31 |
19 |
0 |
| OW |
2 |
89 |
153 |
187 |
86 |
58 |
16 |
0 |
| VODI |
0 |
45 |
104 |
222 |
156 |
106 |
43 |
0 |
| ODI |
0 |
17 |
54 |
168 |
187 |
137 |
94 |
0 |
| CDI |
0 |
34 |
26 |
115 |
191 |
255 |
267 |
35 |
| VCDI |
0 |
38 |
53 |
110 |
174 |
690 |
7302 |
5550 |
|
Date: 2019-02-13:
| 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 |
14031 |
6052 |
833 |
358 |
217 |
102 |
23 |
0 |
| OW |
0 |
33 |
166 |
157 |
124 |
100 |
34 |
0 |
| VODI |
0 |
16 |
124 |
200 |
144 |
185 |
90 |
0 |
| ODI |
0 |
4 |
47 |
152 |
112 |
218 |
141 |
0 |
| CDI |
0 |
1 |
43 |
106 |
105 |
267 |
536 |
9 |
| VCDI |
0 |
0 |
16 |
66 |
158 |
223 |
7239 |
5727 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14031 |
5995 |
745 |
327 |
196 |
85 |
25 |
0 |
| OW |
0 |
62 |
131 |
102 |
107 |
122 |
41 |
0 |
| VODI |
0 |
28 |
156 |
156 |
110 |
171 |
101 |
0 |
| ODI |
0 |
11 |
81 |
147 |
114 |
172 |
161 |
0 |
| CDI |
0 |
8 |
70 |
141 |
119 |
219 |
398 |
8 |
| VCDI |
0 |
2 |
46 |
166 |
214 |
326 |
7337 |
5728 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13981 |
5954 |
807 |
359 |
214 |
118 |
33 |
0 |
| OW |
0 |
46 |
151 |
121 |
137 |
127 |
48 |
0 |
| VODI |
0 |
11 |
100 |
161 |
116 |
279 |
148 |
0 |
| ODI |
0 |
0 |
46 |
122 |
105 |
205 |
285 |
11 |
| CDI |
0 |
0 |
17 |
68 |
113 |
206 |
539 |
58 |
| VCDI |
0 |
0 |
4 |
29 |
84 |
254 |
6725 |
6377 |
|
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