Validation of sea ice concentration
Bulletin date: 2019-05-16
Model vs. observations, sea ice class contingency tables
Date: 2019-05-10:
| 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 |
13110 |
6779 |
1040 |
826 |
243 |
139 |
83 |
0 |
| OW |
0 |
7 |
56 |
195 |
165 |
138 |
52 |
0 |
| VODI |
0 |
3 |
31 |
142 |
132 |
237 |
230 |
0 |
| ODI |
0 |
0 |
14 |
61 |
102 |
238 |
497 |
0 |
| CDI |
0 |
0 |
10 |
84 |
137 |
189 |
850 |
0 |
| VCDI |
0 |
0 |
45 |
54 |
100 |
312 |
7234 |
4624 |
|
...date precedes bulletin
|
Date: 2019-05-14:
| 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 |
14804 |
5757 |
933 |
798 |
302 |
99 |
70 |
0 |
| OW |
3 |
0 |
43 |
201 |
172 |
67 |
71 |
0 |
| VODI |
0 |
0 |
24 |
139 |
204 |
150 |
168 |
0 |
| ODI |
0 |
0 |
3 |
54 |
110 |
261 |
512 |
0 |
| CDI |
0 |
0 |
2 |
64 |
102 |
448 |
1629 |
2 |
| VCDI |
0 |
0 |
0 |
61 |
109 |
628 |
7064 |
3105 |
|
...date precedes bulletin
|
Date: 2019-05-16:
| 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 |
15031 |
5638 |
1160 |
625 |
355 |
134 |
70 |
0 |
| OW |
0 |
0 |
82 |
199 |
141 |
104 |
72 |
0 |
| VODI |
0 |
0 |
49 |
127 |
175 |
202 |
269 |
0 |
| ODI |
0 |
0 |
22 |
77 |
97 |
286 |
569 |
0 |
| CDI |
0 |
0 |
4 |
134 |
112 |
503 |
1366 |
0 |
| VCDI |
0 |
0 |
0 |
91 |
137 |
675 |
6708 |
2945 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15031 |
5638 |
1143 |
665 |
361 |
134 |
78 |
0 |
| OW |
0 |
0 |
91 |
149 |
127 |
101 |
55 |
0 |
| VODI |
0 |
0 |
52 |
133 |
170 |
204 |
312 |
0 |
| ODI |
0 |
0 |
27 |
75 |
101 |
273 |
554 |
0 |
| CDI |
0 |
0 |
4 |
145 |
121 |
503 |
1343 |
0 |
| VCDI |
0 |
0 |
0 |
86 |
137 |
689 |
6712 |
2945 |
|
Date: 2019-05-20:
| 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 |
15213 |
5972 |
825 |
763 |
163 |
57 |
59 |
0 |
| OW |
0 |
10 |
119 |
277 |
133 |
58 |
100 |
0 |
| VODI |
0 |
0 |
61 |
305 |
360 |
134 |
199 |
0 |
| ODI |
0 |
0 |
41 |
114 |
337 |
283 |
474 |
3 |
| CDI |
0 |
0 |
35 |
121 |
138 |
422 |
2050 |
19 |
| VCDI |
0 |
0 |
3 |
17 |
141 |
84 |
4985 |
4084 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15213 |
5974 |
813 |
821 |
244 |
97 |
137 |
0 |
| OW |
0 |
5 |
88 |
199 |
122 |
86 |
222 |
0 |
| VODI |
0 |
3 |
57 |
169 |
197 |
147 |
514 |
1 |
| ODI |
0 |
0 |
43 |
130 |
159 |
174 |
514 |
2 |
| CDI |
0 |
0 |
67 |
193 |
329 |
397 |
1402 |
12 |
| VCDI |
0 |
0 |
16 |
85 |
221 |
137 |
5078 |
4091 |
|
Date: 2019-05-22:
| 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 |
15362 |
5757 |
1074 |
553 |
226 |
114 |
54 |
0 |
| OW |
0 |
0 |
121 |
237 |
229 |
127 |
119 |
0 |
| VODI |
0 |
0 |
70 |
172 |
272 |
312 |
288 |
0 |
| ODI |
0 |
0 |
37 |
79 |
144 |
321 |
663 |
1 |
| CDI |
0 |
0 |
30 |
97 |
106 |
382 |
1983 |
8 |
| VCDI |
0 |
0 |
7 |
21 |
145 |
131 |
4746 |
4171 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15362 |
5746 |
1005 |
592 |
306 |
187 |
199 |
0 |
| OW |
0 |
10 |
120 |
141 |
142 |
82 |
266 |
0 |
| VODI |
0 |
1 |
71 |
102 |
134 |
220 |
534 |
0 |
| ODI |
0 |
0 |
62 |
84 |
163 |
266 |
503 |
0 |
| CDI |
0 |
0 |
68 |
193 |
180 |
426 |
1635 |
9 |
| VCDI |
0 |
0 |
13 |
47 |
197 |
206 |
4716 |
4171 |
|
Date: 2019-05-24:
| 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 |
15052 |
5869 |
1118 |
743 |
169 |
84 |
98 |
0 |
| OW |
0 |
0 |
102 |
334 |
211 |
133 |
174 |
0 |
| VODI |
0 |
0 |
54 |
199 |
243 |
314 |
367 |
0 |
| ODI |
0 |
0 |
27 |
103 |
124 |
263 |
750 |
5 |
| CDI |
0 |
0 |
42 |
143 |
80 |
292 |
2057 |
15 |
| VCDI |
0 |
0 |
2 |
38 |
47 |
135 |
4517 |
4255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15052 |
5858 |
1064 |
815 |
245 |
148 |
331 |
0 |
| OW |
0 |
11 |
75 |
172 |
106 |
70 |
281 |
0 |
| VODI |
0 |
0 |
68 |
131 |
116 |
212 |
546 |
6 |
| ODI |
0 |
0 |
48 |
106 |
157 |
280 |
513 |
13 |
| CDI |
0 |
0 |
61 |
203 |
160 |
278 |
1992 |
35 |
| VCDI |
0 |
0 |
29 |
133 |
90 |
233 |
4300 |
4221 |
|
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