Validation of sea ice concentration
Bulletin date: 2019-08-15
Model vs. observations, sea ice class contingency tables
Date: 2019-08-09:
| 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 |
20276 |
7342 |
1790 |
517 |
199 |
35 |
6 |
0 |
| OW |
0 |
7 |
136 |
179 |
165 |
78 |
22 |
0 |
| VODI |
0 |
0 |
86 |
234 |
270 |
225 |
117 |
0 |
| ODI |
0 |
0 |
25 |
88 |
136 |
289 |
679 |
0 |
| CDI |
0 |
0 |
4 |
8 |
15 |
66 |
2486 |
2188 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
199 |
286 |
|
...date precedes bulletin
|
Date: 2019-08-13:
| 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 |
23074 |
5124 |
1413 |
524 |
149 |
46 |
8 |
0 |
| OW |
0 |
0 |
85 |
191 |
99 |
43 |
10 |
0 |
| VODI |
0 |
0 |
41 |
211 |
277 |
168 |
66 |
0 |
| ODI |
0 |
0 |
8 |
58 |
158 |
277 |
398 |
0 |
| CDI |
0 |
0 |
4 |
17 |
21 |
134 |
2027 |
704 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
989 |
1831 |
|
...date precedes bulletin
|
Date: 2019-08-15:
| 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 |
23005 |
5190 |
1402 |
535 |
158 |
70 |
3 |
0 |
| OW |
0 |
0 |
64 |
227 |
141 |
64 |
13 |
0 |
| VODI |
0 |
0 |
46 |
208 |
253 |
186 |
79 |
0 |
| ODI |
0 |
0 |
6 |
26 |
65 |
247 |
489 |
0 |
| CDI |
0 |
0 |
3 |
8 |
20 |
104 |
2124 |
692 |
| VCDI |
0 |
0 |
0 |
3 |
9 |
23 |
904 |
1792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23005 |
5190 |
1414 |
563 |
171 |
73 |
3 |
0 |
| OW |
0 |
0 |
58 |
188 |
131 |
59 |
10 |
0 |
| VODI |
0 |
0 |
41 |
216 |
244 |
167 |
80 |
0 |
| ODI |
0 |
0 |
5 |
27 |
68 |
256 |
411 |
0 |
| CDI |
0 |
0 |
3 |
10 |
23 |
110 |
2157 |
694 |
| VCDI |
0 |
0 |
0 |
3 |
9 |
29 |
951 |
1790 |
|
Date: 2019-08-19:
| 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 |
22991 |
5335 |
1414 |
471 |
181 |
34 |
1 |
0 |
| OW |
0 |
12 |
96 |
252 |
119 |
35 |
6 |
0 |
| VODI |
0 |
2 |
61 |
264 |
257 |
133 |
41 |
0 |
| ODI |
0 |
0 |
7 |
38 |
131 |
212 |
407 |
1 |
| CDI |
0 |
0 |
4 |
4 |
30 |
72 |
1695 |
608 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
5 |
741 |
2495 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22991 |
5328 |
1422 |
502 |
218 |
53 |
7 |
0 |
| OW |
0 |
19 |
89 |
239 |
115 |
47 |
18 |
0 |
| VODI |
0 |
2 |
65 |
239 |
231 |
148 |
155 |
0 |
| ODI |
0 |
0 |
2 |
42 |
112 |
165 |
385 |
2 |
| CDI |
0 |
0 |
4 |
7 |
42 |
75 |
1810 |
689 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3 |
516 |
2413 |
|
Date: 2019-08-21:
| 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 |
23190 |
5247 |
1516 |
424 |
156 |
24 |
1 |
0 |
| OW |
0 |
0 |
126 |
265 |
114 |
43 |
15 |
0 |
| VODI |
0 |
0 |
46 |
242 |
244 |
124 |
69 |
0 |
| ODI |
0 |
0 |
5 |
56 |
93 |
170 |
409 |
0 |
| CDI |
0 |
0 |
3 |
6 |
23 |
84 |
1704 |
729 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
7 |
768 |
2252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23190 |
5243 |
1445 |
418 |
188 |
41 |
11 |
0 |
| OW |
0 |
4 |
162 |
190 |
104 |
55 |
32 |
0 |
| VODI |
0 |
0 |
75 |
309 |
208 |
131 |
116 |
0 |
| ODI |
0 |
0 |
13 |
71 |
104 |
137 |
400 |
0 |
| CDI |
0 |
0 |
1 |
5 |
27 |
87 |
1992 |
815 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1 |
415 |
2166 |
|
Date: 2019-08-23:
| 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 |
23357 |
5239 |
1295 |
445 |
125 |
41 |
7 |
0 |
| OW |
0 |
19 |
170 |
281 |
105 |
32 |
19 |
0 |
| VODI |
0 |
1 |
60 |
267 |
225 |
109 |
65 |
0 |
| ODI |
0 |
0 |
7 |
56 |
107 |
216 |
327 |
0 |
| CDI |
0 |
0 |
3 |
6 |
18 |
286 |
2147 |
472 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
6 |
560 |
2082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23357 |
5223 |
1263 |
467 |
153 |
54 |
18 |
0 |
| OW |
0 |
28 |
143 |
206 |
111 |
56 |
39 |
0 |
| VODI |
0 |
8 |
119 |
306 |
189 |
124 |
102 |
0 |
| ODI |
0 |
0 |
9 |
73 |
104 |
154 |
426 |
1 |
| CDI |
0 |
0 |
1 |
3 |
25 |
301 |
2229 |
699 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1 |
311 |
1854 |
|
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