Validation of sea ice concentration
Bulletin date: 2017-05-11
Model vs. observations, sea ice class contingency tables
Date: 2017-05-05:
| 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 |
13697 |
5985 |
1101 |
425 |
96 |
23 |
10 |
0 |
| OW |
0 |
7 |
121 |
164 |
83 |
55 |
52 |
0 |
| VODI |
0 |
1 |
50 |
144 |
131 |
93 |
158 |
0 |
| ODI |
0 |
0 |
23 |
91 |
182 |
130 |
252 |
0 |
| CDI |
0 |
0 |
14 |
52 |
213 |
394 |
1028 |
1 |
| VCDI |
0 |
0 |
19 |
34 |
146 |
496 |
8392 |
4296 |
|
...date precedes bulletin
|
Date: 2017-05-09:
| 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 |
13367 |
6296 |
1074 |
511 |
125 |
40 |
30 |
0 |
| OW |
0 |
6 |
95 |
135 |
94 |
41 |
44 |
0 |
| VODI |
0 |
4 |
68 |
193 |
154 |
109 |
92 |
0 |
| ODI |
0 |
3 |
27 |
110 |
131 |
189 |
307 |
0 |
| CDI |
0 |
0 |
9 |
108 |
169 |
404 |
854 |
0 |
| VCDI |
0 |
0 |
8 |
127 |
245 |
770 |
7648 |
4572 |
|
...date precedes bulletin
|
Date: 2017-05-11:
| 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 |
13315 |
6433 |
981 |
318 |
174 |
59 |
29 |
0 |
| OW |
0 |
15 |
114 |
150 |
110 |
61 |
56 |
0 |
| VODI |
0 |
2 |
63 |
166 |
157 |
147 |
146 |
0 |
| ODI |
0 |
0 |
32 |
78 |
129 |
154 |
297 |
0 |
| CDI |
0 |
0 |
9 |
54 |
201 |
255 |
796 |
0 |
| VCDI |
0 |
0 |
1 |
61 |
177 |
419 |
8187 |
4813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13315 |
6444 |
1003 |
359 |
176 |
66 |
42 |
0 |
| OW |
0 |
6 |
107 |
106 |
117 |
64 |
47 |
0 |
| VODI |
0 |
0 |
56 |
134 |
146 |
133 |
148 |
0 |
| ODI |
0 |
0 |
24 |
98 |
126 |
166 |
294 |
0 |
| CDI |
0 |
0 |
9 |
59 |
197 |
253 |
799 |
0 |
| VCDI |
0 |
0 |
1 |
71 |
186 |
413 |
8181 |
4813 |
|
Date: 2017-05-15:
| 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 |
14049 |
6166 |
555 |
288 |
162 |
58 |
10 |
0 |
| OW |
0 |
44 |
171 |
102 |
102 |
63 |
19 |
0 |
| VODI |
0 |
14 |
92 |
139 |
176 |
178 |
81 |
0 |
| ODI |
0 |
0 |
22 |
46 |
128 |
288 |
323 |
0 |
| CDI |
0 |
0 |
6 |
29 |
107 |
385 |
1463 |
0 |
| VCDI |
0 |
0 |
13 |
10 |
50 |
215 |
7957 |
4648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14049 |
6155 |
562 |
296 |
206 |
99 |
25 |
0 |
| OW |
0 |
53 |
126 |
88 |
92 |
84 |
47 |
0 |
| VODI |
0 |
15 |
106 |
117 |
149 |
151 |
163 |
0 |
| ODI |
0 |
1 |
38 |
53 |
86 |
186 |
324 |
0 |
| CDI |
0 |
0 |
14 |
38 |
124 |
354 |
1230 |
0 |
| VCDI |
0 |
0 |
13 |
22 |
68 |
313 |
8064 |
4648 |
|
Date: 2017-05-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2017-05-19:
| 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 |
14142 |
6248 |
595 |
396 |
168 |
34 |
14 |
0 |
| OW |
0 |
33 |
93 |
117 |
104 |
77 |
41 |
0 |
| VODI |
0 |
7 |
50 |
154 |
142 |
137 |
182 |
0 |
| ODI |
0 |
0 |
7 |
94 |
99 |
147 |
439 |
0 |
| CDI |
0 |
0 |
3 |
67 |
96 |
293 |
1565 |
4 |
| VCDI |
0 |
0 |
0 |
31 |
144 |
535 |
7980 |
3921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14142 |
6208 |
553 |
384 |
230 |
92 |
40 |
0 |
| OW |
0 |
65 |
88 |
98 |
62 |
94 |
76 |
0 |
| VODI |
0 |
14 |
88 |
150 |
92 |
112 |
315 |
0 |
| ODI |
0 |
1 |
16 |
95 |
95 |
102 |
385 |
0 |
| CDI |
0 |
0 |
3 |
84 |
110 |
244 |
1578 |
2 |
| VCDI |
0 |
0 |
0 |
48 |
164 |
579 |
7827 |
3923 |
|
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