Validation of sea ice concentration
Bulletin date: 2019-04-11
Model vs. observations, sea ice class contingency tables
Date: 2019-04-05:
| 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 |
12575 |
6329 |
1178 |
565 |
375 |
144 |
80 |
0 |
| OW |
0 |
21 |
247 |
254 |
149 |
104 |
100 |
0 |
| VODI |
0 |
0 |
90 |
217 |
215 |
244 |
176 |
0 |
| ODI |
0 |
0 |
36 |
151 |
160 |
186 |
308 |
1 |
| CDI |
0 |
0 |
24 |
86 |
150 |
251 |
920 |
37 |
| VCDI |
0 |
0 |
26 |
57 |
136 |
227 |
7750 |
4590 |
|
...date precedes bulletin
|
Date: 2019-04-09:
| 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 |
12300 |
6275 |
1154 |
877 |
406 |
140 |
76 |
0 |
| OW |
0 |
3 |
125 |
230 |
183 |
104 |
51 |
0 |
| VODI |
0 |
0 |
44 |
153 |
234 |
280 |
107 |
0 |
| ODI |
0 |
0 |
2 |
60 |
172 |
264 |
241 |
8 |
| CDI |
0 |
0 |
2 |
21 |
179 |
316 |
1198 |
29 |
| VCDI |
0 |
0 |
4 |
8 |
70 |
340 |
7306 |
5197 |
|
...date precedes bulletin
|
Date: 2019-04-11:
| 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 |
12151 |
6102 |
1264 |
908 |
414 |
155 |
107 |
0 |
| OW |
0 |
0 |
145 |
272 |
198 |
155 |
70 |
0 |
| VODI |
0 |
0 |
29 |
119 |
194 |
248 |
145 |
0 |
| ODI |
0 |
0 |
2 |
39 |
124 |
275 |
221 |
5 |
| CDI |
0 |
0 |
0 |
13 |
105 |
350 |
854 |
23 |
| VCDI |
0 |
0 |
2 |
9 |
46 |
432 |
7448 |
5535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12151 |
6101 |
1328 |
1001 |
467 |
196 |
123 |
0 |
| OW |
0 |
1 |
86 |
178 |
172 |
141 |
65 |
0 |
| VODI |
0 |
0 |
24 |
120 |
168 |
226 |
126 |
0 |
| ODI |
0 |
0 |
2 |
39 |
131 |
262 |
268 |
7 |
| CDI |
0 |
0 |
0 |
13 |
100 |
387 |
853 |
22 |
| VCDI |
0 |
0 |
2 |
9 |
43 |
403 |
7410 |
5534 |
|
Date: 2019-04-15:
| 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 |
12774 |
6246 |
833 |
966 |
263 |
89 |
69 |
0 |
| OW |
0 |
75 |
100 |
215 |
156 |
89 |
43 |
0 |
| VODI |
0 |
6 |
33 |
168 |
239 |
192 |
123 |
0 |
| ODI |
0 |
0 |
6 |
67 |
211 |
347 |
259 |
0 |
| CDI |
0 |
0 |
4 |
10 |
123 |
539 |
895 |
7 |
| VCDI |
0 |
0 |
9 |
3 |
14 |
632 |
8941 |
3413 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12774 |
6261 |
872 |
1101 |
354 |
160 |
111 |
0 |
| OW |
0 |
50 |
65 |
109 |
127 |
88 |
62 |
0 |
| VODI |
0 |
15 |
28 |
147 |
157 |
122 |
120 |
0 |
| ODI |
0 |
1 |
8 |
53 |
162 |
211 |
248 |
1 |
| CDI |
0 |
0 |
3 |
13 |
133 |
446 |
566 |
9 |
| VCDI |
0 |
0 |
9 |
6 |
73 |
861 |
9223 |
3410 |
|
Date: 2019-04-17:
| 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 |
12797 |
6177 |
1216 |
961 |
354 |
141 |
65 |
0 |
| OW |
0 |
39 |
136 |
127 |
186 |
144 |
48 |
0 |
| VODI |
0 |
0 |
17 |
80 |
173 |
270 |
149 |
0 |
| ODI |
0 |
0 |
4 |
38 |
128 |
249 |
307 |
1 |
| CDI |
0 |
0 |
1 |
19 |
108 |
320 |
932 |
30 |
| VCDI |
0 |
0 |
0 |
7 |
51 |
244 |
6573 |
6067 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12797 |
6185 |
1264 |
970 |
363 |
187 |
89 |
0 |
| OW |
0 |
30 |
75 |
92 |
132 |
110 |
74 |
0 |
| VODI |
0 |
1 |
31 |
94 |
158 |
193 |
162 |
0 |
| ODI |
0 |
0 |
3 |
40 |
136 |
206 |
279 |
3 |
| CDI |
0 |
0 |
1 |
23 |
108 |
342 |
897 |
25 |
| VCDI |
0 |
0 |
0 |
13 |
103 |
330 |
6573 |
6070 |
|
Date: 2019-04-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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