Validation of sea ice concentration
Bulletin date: 2015-07-16
Model vs. observations, sea ice class contingency tables
Date: 2015-07-10:
| 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 |
19164 |
7718 |
222 |
471 |
289 |
118 |
56 |
5 |
| OW |
0 |
178 |
32 |
110 |
124 |
61 |
58 |
0 |
| VODI |
0 |
124 |
34 |
94 |
191 |
154 |
72 |
2 |
| ODI |
0 |
36 |
24 |
97 |
253 |
167 |
112 |
55 |
| CDI |
0 |
20 |
11 |
88 |
367 |
408 |
1600 |
1459 |
| VCDI |
0 |
0 |
2 |
13 |
38 |
91 |
1027 |
1922 |
|
...date precedes bulletin
|
Date: 2015-07-14:
| 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 |
18602 |
7866 |
856 |
629 |
304 |
88 |
64 |
5 |
| OW |
0 |
21 |
87 |
119 |
139 |
55 |
61 |
0 |
| VODI |
0 |
2 |
38 |
92 |
208 |
178 |
177 |
0 |
| ODI |
0 |
0 |
1 |
34 |
155 |
239 |
489 |
1 |
| CDI |
0 |
0 |
0 |
6 |
75 |
167 |
1842 |
925 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
11 |
1316 |
2212 |
|
...date precedes bulletin
|
Date: 2015-07-16:
| 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 |
18132 |
8368 |
1005 |
545 |
298 |
49 |
53 |
5 |
| OW |
0 |
27 |
106 |
164 |
98 |
40 |
55 |
0 |
| VODI |
0 |
4 |
51 |
149 |
258 |
125 |
140 |
0 |
| ODI |
0 |
11 |
15 |
107 |
223 |
193 |
492 |
27 |
| CDI |
0 |
21 |
15 |
46 |
111 |
206 |
1774 |
1253 |
| VCDI |
0 |
0 |
0 |
4 |
4 |
20 |
1087 |
1786 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18132 |
8363 |
1009 |
567 |
315 |
57 |
53 |
5 |
| OW |
0 |
32 |
105 |
154 |
110 |
35 |
62 |
0 |
| VODI |
0 |
6 |
47 |
151 |
241 |
130 |
152 |
0 |
| ODI |
0 |
16 |
18 |
99 |
208 |
180 |
421 |
23 |
| CDI |
0 |
14 |
13 |
44 |
113 |
212 |
1823 |
1215 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
19 |
1090 |
1828 |
|
Date: 2015-07-20:
| 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 |
19150 |
8108 |
900 |
294 |
173 |
86 |
91 |
0 |
| OW |
0 |
66 |
98 |
129 |
101 |
37 |
40 |
0 |
| VODI |
0 |
14 |
40 |
86 |
210 |
186 |
109 |
0 |
| ODI |
0 |
3 |
5 |
26 |
145 |
351 |
438 |
0 |
| CDI |
0 |
0 |
1 |
12 |
19 |
107 |
1662 |
3201 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
737 |
441 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19150 |
7954 |
845 |
297 |
181 |
93 |
102 |
0 |
| OW |
0 |
143 |
86 |
89 |
92 |
61 |
65 |
0 |
| VODI |
0 |
75 |
69 |
87 |
173 |
225 |
234 |
2 |
| ODI |
0 |
16 |
38 |
43 |
128 |
216 |
575 |
114 |
| CDI |
0 |
3 |
6 |
31 |
74 |
161 |
1569 |
2027 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
532 |
1499 |
|
Date: 2015-07-22:
| 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 |
19029 |
8548 |
622 |
408 |
162 |
80 |
86 |
4 |
| OW |
0 |
58 |
61 |
129 |
98 |
46 |
76 |
0 |
| VODI |
0 |
15 |
37 |
91 |
193 |
102 |
222 |
0 |
| ODI |
0 |
0 |
11 |
34 |
120 |
185 |
654 |
1 |
| CDI |
0 |
0 |
0 |
23 |
25 |
54 |
1757 |
3059 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
397 |
680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19029 |
8294 |
556 |
373 |
156 |
96 |
98 |
4 |
| OW |
0 |
175 |
58 |
105 |
70 |
54 |
103 |
0 |
| VODI |
0 |
119 |
70 |
84 |
149 |
118 |
428 |
2 |
| ODI |
0 |
30 |
34 |
74 |
153 |
114 |
642 |
137 |
| CDI |
0 |
3 |
13 |
41 |
66 |
84 |
1809 |
2148 |
| VCDI |
0 |
0 |
0 |
8 |
4 |
1 |
112 |
1453 |
|
Date: 2015-07-24:
| 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 |
19485 |
7966 |
816 |
422 |
174 |
115 |
41 |
5 |
| OW |
0 |
32 |
73 |
141 |
97 |
80 |
54 |
0 |
| VODI |
0 |
14 |
46 |
95 |
187 |
232 |
169 |
0 |
| ODI |
0 |
1 |
18 |
26 |
121 |
227 |
614 |
1 |
| CDI |
0 |
0 |
4 |
21 |
30 |
78 |
1783 |
2816 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1 |
242 |
839 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19485 |
7678 |
673 |
375 |
186 |
153 |
65 |
5 |
| OW |
0 |
156 |
108 |
95 |
85 |
116 |
68 |
0 |
| VODI |
0 |
106 |
97 |
95 |
149 |
162 |
452 |
9 |
| ODI |
0 |
43 |
37 |
101 |
118 |
187 |
503 |
180 |
| CDI |
0 |
30 |
35 |
39 |
68 |
111 |
1621 |
2169 |
| VCDI |
0 |
0 |
7 |
0 |
4 |
4 |
194 |
1298 |
|
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