Validation of sea ice concentration
Bulletin date: 2018-08-16
Model vs. observations, sea ice class contingency tables
Date: 2018-08-10:
| 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 |
22537 |
7935 |
909 |
732 |
243 |
72 |
47 |
0 |
| OW |
0 |
60 |
70 |
142 |
132 |
91 |
39 |
0 |
| VODI |
0 |
18 |
67 |
97 |
163 |
173 |
102 |
0 |
| ODI |
0 |
1 |
25 |
29 |
109 |
314 |
267 |
0 |
| CDI |
0 |
0 |
1 |
8 |
18 |
328 |
1808 |
174 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
591 |
855 |
|
...date precedes bulletin
|
Date: 2018-08-14:
| 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 |
24307 |
6938 |
710 |
443 |
118 |
73 |
40 |
0 |
| OW |
0 |
24 |
67 |
167 |
96 |
67 |
32 |
0 |
| VODI |
0 |
1 |
26 |
122 |
170 |
136 |
61 |
0 |
| ODI |
0 |
0 |
0 |
40 |
150 |
340 |
183 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2 |
184 |
1915 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
593 |
1129 |
|
...date precedes bulletin
|
Date: 2018-08-16:
| 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 |
25941 |
5269 |
737 |
491 |
106 |
37 |
45 |
0 |
| OW |
0 |
8 |
62 |
188 |
153 |
51 |
25 |
0 |
| VODI |
0 |
0 |
11 |
96 |
204 |
171 |
58 |
0 |
| ODI |
0 |
0 |
0 |
27 |
100 |
268 |
250 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2 |
120 |
2072 |
144 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
320 |
1201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25941 |
5274 |
745 |
519 |
123 |
44 |
44 |
0 |
| OW |
0 |
3 |
49 |
169 |
132 |
42 |
23 |
0 |
| VODI |
0 |
0 |
16 |
92 |
223 |
161 |
68 |
0 |
| ODI |
0 |
0 |
0 |
21 |
80 |
265 |
276 |
0 |
| CDI |
0 |
0 |
0 |
1 |
7 |
135 |
1987 |
192 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
372 |
1153 |
|
Date: 2018-08-20:
| 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 |
26557 |
5038 |
742 |
322 |
77 |
23 |
42 |
0 |
| OW |
0 |
20 |
98 |
153 |
122 |
14 |
19 |
0 |
| VODI |
0 |
0 |
45 |
172 |
189 |
60 |
29 |
0 |
| ODI |
0 |
0 |
2 |
70 |
215 |
209 |
263 |
0 |
| CDI |
0 |
0 |
0 |
3 |
10 |
155 |
1800 |
446 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
417 |
847 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26557 |
5021 |
713 |
337 |
101 |
24 |
40 |
0 |
| OW |
0 |
35 |
106 |
162 |
128 |
26 |
19 |
0 |
| VODI |
0 |
2 |
62 |
158 |
225 |
109 |
78 |
0 |
| ODI |
0 |
0 |
6 |
63 |
147 |
177 |
291 |
0 |
| CDI |
0 |
0 |
0 |
0 |
12 |
125 |
2112 |
603 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
30 |
690 |
|
Date: 2018-08-22:
| 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 |
27059 |
4743 |
600 |
279 |
72 |
28 |
46 |
0 |
| OW |
0 |
19 |
97 |
140 |
102 |
23 |
21 |
0 |
| VODI |
0 |
1 |
39 |
150 |
200 |
53 |
41 |
0 |
| ODI |
0 |
0 |
2 |
39 |
173 |
189 |
262 |
0 |
| CDI |
0 |
0 |
0 |
6 |
20 |
255 |
1761 |
499 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
422 |
817 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27059 |
4721 |
565 |
272 |
88 |
29 |
42 |
0 |
| OW |
0 |
42 |
115 |
155 |
126 |
32 |
27 |
0 |
| VODI |
0 |
0 |
55 |
150 |
214 |
113 |
114 |
0 |
| ODI |
0 |
0 |
3 |
34 |
120 |
140 |
348 |
0 |
| CDI |
0 |
0 |
0 |
3 |
19 |
235 |
2010 |
719 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
12 |
597 |
|
Date: 2018-08-24:
| 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 |
26809 |
5012 |
496 |
333 |
110 |
26 |
36 |
0 |
| OW |
0 |
55 |
50 |
122 |
143 |
27 |
11 |
0 |
| VODI |
0 |
12 |
32 |
94 |
216 |
75 |
43 |
0 |
| ODI |
0 |
0 |
2 |
29 |
152 |
225 |
244 |
0 |
| CDI |
0 |
0 |
0 |
0 |
26 |
317 |
1924 |
436 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
376 |
725 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26809 |
4993 |
468 |
317 |
125 |
21 |
36 |
0 |
| OW |
0 |
68 |
77 |
140 |
160 |
45 |
37 |
0 |
| VODI |
0 |
18 |
35 |
97 |
220 |
165 |
120 |
0 |
| ODI |
0 |
0 |
0 |
23 |
119 |
163 |
344 |
0 |
| CDI |
0 |
0 |
0 |
1 |
23 |
277 |
2086 |
740 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
11 |
421 |
|
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