Validation of sea ice concentration
Bulletin date: 2014-05-15
Model vs. observations, sea ice class contingency tables
Date: 2014-05-09:
| 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 |
13747 |
5905 |
575 |
397 |
214 |
164 |
40 |
0 |
| OW |
8 |
47 |
148 |
199 |
132 |
99 |
31 |
0 |
| VODI |
0 |
6 |
101 |
166 |
136 |
118 |
73 |
0 |
| ODI |
0 |
0 |
70 |
129 |
149 |
189 |
243 |
0 |
| CDI |
0 |
0 |
43 |
103 |
263 |
525 |
1443 |
4 |
| VCDI |
0 |
0 |
33 |
71 |
132 |
288 |
7269 |
4159 |
|
...date precedes bulletin
|
Date: 2014-05-13:
| 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 |
13468 |
6211 |
924 |
598 |
215 |
71 |
16 |
0 |
| OW |
0 |
15 |
61 |
168 |
97 |
75 |
16 |
0 |
| VODI |
0 |
4 |
40 |
186 |
166 |
139 |
38 |
0 |
| ODI |
0 |
3 |
18 |
118 |
171 |
193 |
222 |
0 |
| CDI |
0 |
0 |
27 |
110 |
254 |
724 |
1420 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
63 |
393 |
7027 |
4123 |
|
...date precedes bulletin
|
Date: 2014-05-15:
| 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 |
14046 |
6184 |
503 |
480 |
185 |
80 |
17 |
0 |
| OW |
0 |
40 |
81 |
106 |
97 |
71 |
32 |
0 |
| VODI |
0 |
8 |
72 |
140 |
136 |
118 |
84 |
0 |
| ODI |
0 |
2 |
57 |
118 |
152 |
160 |
366 |
2 |
| CDI |
0 |
0 |
36 |
101 |
202 |
646 |
1434 |
10 |
| VCDI |
0 |
0 |
5 |
57 |
153 |
403 |
7416 |
3619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14046 |
6199 |
530 |
525 |
224 |
94 |
25 |
0 |
| OW |
0 |
29 |
59 |
75 |
82 |
76 |
30 |
0 |
| VODI |
0 |
6 |
74 |
142 |
126 |
104 |
122 |
0 |
| ODI |
0 |
0 |
56 |
106 |
164 |
163 |
377 |
2 |
| CDI |
0 |
0 |
32 |
105 |
204 |
663 |
1487 |
10 |
| VCDI |
0 |
0 |
3 |
49 |
125 |
378 |
7308 |
3619 |
|
Date: 2014-05-19:
| 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 |
14128 |
6162 |
634 |
493 |
228 |
107 |
26 |
0 |
| OW |
1 |
15 |
91 |
256 |
110 |
86 |
40 |
0 |
| VODI |
2 |
3 |
59 |
146 |
174 |
230 |
157 |
0 |
| ODI |
0 |
0 |
49 |
104 |
177 |
486 |
511 |
0 |
| CDI |
0 |
0 |
4 |
64 |
134 |
468 |
1758 |
1 |
| VCDI |
0 |
0 |
0 |
25 |
44 |
188 |
5840 |
4418 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14129 |
6150 |
567 |
456 |
233 |
132 |
54 |
0 |
| OW |
2 |
18 |
66 |
128 |
64 |
80 |
77 |
0 |
| VODI |
0 |
11 |
70 |
214 |
128 |
154 |
242 |
0 |
| ODI |
0 |
1 |
74 |
114 |
132 |
290 |
330 |
0 |
| CDI |
0 |
0 |
47 |
87 |
202 |
629 |
1612 |
1 |
| VCDI |
0 |
0 |
13 |
89 |
108 |
280 |
6017 |
4418 |
|
Date: 2014-05-21:
| 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 |
13528 |
6189 |
1142 |
695 |
261 |
60 |
17 |
0 |
| OW |
2 |
5 |
172 |
178 |
159 |
80 |
31 |
0 |
| VODI |
0 |
2 |
80 |
161 |
210 |
210 |
148 |
0 |
| ODI |
0 |
3 |
51 |
127 |
260 |
466 |
496 |
0 |
| CDI |
0 |
0 |
4 |
62 |
151 |
638 |
1604 |
14 |
| VCDI |
0 |
0 |
4 |
26 |
68 |
150 |
5840 |
4125 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13530 |
6181 |
1084 |
627 |
249 |
81 |
42 |
0 |
| OW |
0 |
11 |
109 |
95 |
129 |
85 |
43 |
0 |
| VODI |
0 |
4 |
131 |
176 |
161 |
187 |
243 |
0 |
| ODI |
0 |
2 |
82 |
157 |
189 |
278 |
312 |
0 |
| CDI |
0 |
1 |
38 |
130 |
261 |
713 |
1288 |
1 |
| VCDI |
0 |
0 |
9 |
64 |
120 |
260 |
6208 |
4138 |
|
Date: 2014-05-23:
| 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 |
13483 |
6195 |
910 |
874 |
338 |
95 |
19 |
0 |
| OW |
2 |
3 |
90 |
201 |
149 |
114 |
43 |
0 |
| VODI |
0 |
3 |
148 |
225 |
223 |
219 |
208 |
0 |
| ODI |
0 |
1 |
47 |
136 |
250 |
433 |
419 |
0 |
| CDI |
0 |
0 |
10 |
96 |
228 |
514 |
1439 |
5 |
| VCDI |
0 |
0 |
10 |
34 |
70 |
190 |
5904 |
4091 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13485 |
6173 |
877 |
835 |
358 |
113 |
49 |
0 |
| OW |
0 |
16 |
67 |
139 |
137 |
90 |
71 |
0 |
| VODI |
0 |
11 |
129 |
210 |
148 |
228 |
254 |
0 |
| ODI |
0 |
2 |
93 |
185 |
234 |
349 |
245 |
0 |
| CDI |
0 |
0 |
42 |
149 |
273 |
503 |
1311 |
6 |
| VCDI |
0 |
0 |
7 |
48 |
108 |
282 |
6102 |
4090 |
|
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