Validation of sea ice concentration
Bulletin date: 2014-05-08
Model vs. observations, sea ice class contingency tables
Date: 2014-05-02:
| 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 |
12520 |
6556 |
671 |
385 |
154 |
119 |
55 |
0 |
| OW |
0 |
68 |
126 |
194 |
85 |
58 |
57 |
0 |
| VODI |
0 |
28 |
88 |
216 |
151 |
135 |
120 |
0 |
| ODI |
0 |
0 |
35 |
103 |
145 |
171 |
210 |
1 |
| CDI |
0 |
0 |
13 |
135 |
204 |
475 |
723 |
23 |
| VCDI |
0 |
0 |
1 |
68 |
128 |
606 |
7504 |
5088 |
|
...date precedes bulletin
|
Date: 2014-05-06:
| 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 |
12719 |
6544 |
751 |
480 |
208 |
137 |
62 |
0 |
| OW |
9 |
26 |
78 |
207 |
133 |
57 |
32 |
0 |
| VODI |
3 |
8 |
29 |
176 |
199 |
160 |
72 |
0 |
| ODI |
0 |
3 |
8 |
86 |
198 |
250 |
159 |
0 |
| CDI |
0 |
1 |
2 |
69 |
177 |
452 |
1039 |
3 |
| VCDI |
0 |
0 |
0 |
23 |
115 |
769 |
7372 |
4603 |
|
...date precedes bulletin
|
Date: 2014-05-08:
| 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 |
13005 |
6368 |
714 |
430 |
209 |
170 |
43 |
0 |
| OW |
5 |
26 |
139 |
231 |
139 |
99 |
32 |
0 |
| VODI |
1 |
4 |
75 |
156 |
192 |
143 |
78 |
0 |
| ODI |
0 |
0 |
58 |
83 |
192 |
205 |
281 |
0 |
| CDI |
0 |
0 |
33 |
49 |
212 |
413 |
1466 |
14 |
| VCDI |
0 |
0 |
5 |
53 |
84 |
285 |
8038 |
3689 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13004 |
6367 |
720 |
476 |
220 |
183 |
46 |
0 |
| OW |
6 |
24 |
115 |
191 |
124 |
83 |
31 |
0 |
| VODI |
1 |
7 |
95 |
144 |
203 |
158 |
78 |
0 |
| ODI |
0 |
0 |
51 |
85 |
181 |
206 |
271 |
1 |
| CDI |
0 |
0 |
28 |
51 |
213 |
387 |
1457 |
9 |
| VCDI |
0 |
0 |
15 |
55 |
87 |
298 |
8055 |
3693 |
|
Date: 2014-05-12:
| 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 |
13624 |
6100 |
844 |
536 |
202 |
62 |
21 |
0 |
| OW |
3 |
22 |
105 |
202 |
95 |
51 |
17 |
0 |
| VODI |
0 |
4 |
44 |
194 |
201 |
145 |
43 |
0 |
| ODI |
0 |
0 |
19 |
138 |
199 |
255 |
177 |
12 |
| CDI |
0 |
0 |
13 |
106 |
250 |
931 |
1329 |
48 |
| VCDI |
0 |
0 |
0 |
22 |
43 |
332 |
6953 |
4077 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13621 |
6084 |
797 |
499 |
212 |
73 |
28 |
0 |
| OW |
6 |
38 |
96 |
129 |
80 |
49 |
29 |
0 |
| VODI |
0 |
3 |
63 |
178 |
128 |
134 |
83 |
0 |
| ODI |
0 |
1 |
15 |
155 |
154 |
166 |
241 |
0 |
| CDI |
0 |
0 |
32 |
180 |
309 |
898 |
1194 |
22 |
| VCDI |
0 |
0 |
22 |
57 |
107 |
456 |
6965 |
4115 |
|
Date: 2014-05-14:
| 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 |
13695 |
6306 |
725 |
522 |
168 |
86 |
13 |
0 |
| OW |
0 |
10 |
73 |
121 |
107 |
90 |
17 |
0 |
| VODI |
0 |
5 |
63 |
156 |
136 |
159 |
57 |
0 |
| ODI |
0 |
0 |
36 |
75 |
187 |
189 |
260 |
0 |
| CDI |
0 |
0 |
22 |
88 |
244 |
787 |
1418 |
0 |
| VCDI |
0 |
0 |
1 |
37 |
78 |
395 |
7812 |
3281 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13695 |
6248 |
646 |
441 |
167 |
111 |
34 |
0 |
| OW |
0 |
55 |
87 |
114 |
60 |
73 |
34 |
0 |
| VODI |
0 |
13 |
64 |
135 |
95 |
189 |
126 |
0 |
| ODI |
0 |
4 |
42 |
116 |
122 |
158 |
270 |
0 |
| CDI |
0 |
1 |
34 |
112 |
302 |
645 |
1258 |
0 |
| VCDI |
0 |
0 |
47 |
81 |
174 |
530 |
7855 |
3281 |
|
Date: 2014-05-16:
| 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 |
13838 |
6202 |
563 |
476 |
181 |
159 |
24 |
0 |
| OW |
7 |
50 |
82 |
143 |
76 |
68 |
44 |
0 |
| VODI |
1 |
6 |
55 |
197 |
98 |
128 |
129 |
2 |
| ODI |
1 |
0 |
68 |
144 |
131 |
170 |
415 |
12 |
| CDI |
0 |
0 |
32 |
104 |
292 |
582 |
1390 |
16 |
| VCDI |
0 |
0 |
7 |
56 |
155 |
350 |
7211 |
3754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13844 |
6170 |
534 |
455 |
197 |
195 |
69 |
0 |
| OW |
1 |
57 |
65 |
86 |
49 |
70 |
69 |
0 |
| VODI |
2 |
22 |
67 |
120 |
102 |
116 |
211 |
0 |
| ODI |
0 |
7 |
45 |
176 |
102 |
150 |
280 |
0 |
| CDI |
0 |
1 |
24 |
159 |
285 |
524 |
1230 |
8 |
| VCDI |
0 |
1 |
72 |
124 |
198 |
402 |
7354 |
3776 |
|
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