Validation of sea ice concentration
Bulletin date: 2015-06-18
Model vs. observations, sea ice class contingency tables
Date: 2015-06-12:
| 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 |
16438 |
5885 |
1647 |
719 |
283 |
64 |
56 |
5 |
| OW |
0 |
47 |
172 |
211 |
267 |
123 |
88 |
0 |
| VODI |
0 |
28 |
91 |
179 |
191 |
155 |
165 |
0 |
| ODI |
0 |
8 |
53 |
92 |
159 |
144 |
398 |
1 |
| CDI |
0 |
0 |
24 |
75 |
209 |
352 |
1419 |
1 |
| VCDI |
0 |
0 |
0 |
30 |
56 |
85 |
3072 |
4075 |
|
...date precedes bulletin
|
Date: 2015-06-16:
| 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 |
16246 |
6420 |
2077 |
715 |
370 |
132 |
90 |
5 |
| OW |
0 |
14 |
131 |
177 |
204 |
102 |
46 |
0 |
| VODI |
0 |
0 |
69 |
112 |
222 |
240 |
192 |
0 |
| ODI |
0 |
0 |
19 |
73 |
109 |
146 |
504 |
1 |
| CDI |
0 |
0 |
4 |
46 |
109 |
230 |
1556 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
4 |
14 |
2687 |
4000 |
|
...date precedes bulletin
|
Date: 2015-06-18:
| 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 |
16174 |
6557 |
2096 |
718 |
432 |
138 |
88 |
5 |
| OW |
0 |
22 |
154 |
134 |
268 |
113 |
85 |
0 |
| VODI |
0 |
0 |
83 |
79 |
126 |
237 |
252 |
0 |
| ODI |
0 |
0 |
44 |
70 |
102 |
139 |
483 |
1 |
| CDI |
0 |
0 |
24 |
53 |
115 |
220 |
1902 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
10 |
9 |
2144 |
3985 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16174 |
6563 |
2104 |
751 |
500 |
161 |
93 |
5 |
| OW |
0 |
16 |
149 |
99 |
213 |
108 |
66 |
0 |
| VODI |
0 |
0 |
85 |
84 |
120 |
222 |
252 |
0 |
| ODI |
0 |
0 |
40 |
68 |
94 |
130 |
453 |
1 |
| CDI |
0 |
0 |
23 |
52 |
115 |
225 |
2009 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
11 |
10 |
2081 |
3985 |
|
Date: 2015-06-22:
| 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 |
16951 |
5674 |
2015 |
1170 |
462 |
83 |
82 |
4 |
| OW |
0 |
28 |
130 |
155 |
262 |
86 |
56 |
0 |
| VODI |
0 |
10 |
62 |
156 |
221 |
221 |
147 |
0 |
| ODI |
0 |
0 |
4 |
74 |
179 |
260 |
436 |
1 |
| CDI |
0 |
0 |
0 |
32 |
66 |
217 |
1754 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
16 |
17 |
2535 |
3500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16951 |
5671 |
1996 |
1217 |
585 |
124 |
114 |
4 |
| OW |
0 |
34 |
96 |
105 |
212 |
114 |
94 |
0 |
| VODI |
0 |
7 |
96 |
95 |
171 |
234 |
246 |
0 |
| ODI |
0 |
0 |
22 |
110 |
142 |
180 |
449 |
1 |
| CDI |
0 |
0 |
1 |
61 |
90 |
223 |
2329 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
9 |
1778 |
3493 |
|
Date: 2015-06-24:
| 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 |
16905 |
6023 |
1656 |
1304 |
583 |
97 |
94 |
4 |
| OW |
0 |
29 |
60 |
132 |
265 |
144 |
74 |
0 |
| VODI |
0 |
5 |
28 |
118 |
200 |
279 |
208 |
0 |
| ODI |
0 |
0 |
4 |
45 |
102 |
276 |
519 |
1 |
| CDI |
0 |
0 |
0 |
53 |
93 |
255 |
1923 |
84 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
28 |
2143 |
3333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16905 |
5984 |
1600 |
1296 |
689 |
166 |
143 |
4 |
| OW |
0 |
52 |
69 |
89 |
202 |
192 |
101 |
0 |
| VODI |
0 |
20 |
53 |
128 |
148 |
246 |
290 |
0 |
| ODI |
0 |
1 |
23 |
77 |
119 |
211 |
496 |
1 |
| CDI |
0 |
0 |
3 |
62 |
84 |
248 |
2534 |
152 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
16 |
1397 |
3265 |
|
Date: 2015-06-26:
| 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 |
16690 |
6428 |
1884 |
1149 |
470 |
124 |
89 |
4 |
| OW |
0 |
7 |
101 |
196 |
247 |
166 |
81 |
0 |
| VODI |
0 |
0 |
27 |
123 |
203 |
237 |
288 |
2 |
| ODI |
0 |
0 |
3 |
70 |
139 |
254 |
488 |
11 |
| CDI |
0 |
0 |
0 |
56 |
100 |
259 |
1933 |
98 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
18 |
1752 |
3359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16690 |
6393 |
1801 |
1164 |
574 |
205 |
151 |
4 |
| OW |
0 |
34 |
100 |
129 |
190 |
163 |
100 |
0 |
| VODI |
0 |
8 |
96 |
147 |
148 |
218 |
353 |
0 |
| ODI |
0 |
0 |
18 |
104 |
140 |
172 |
442 |
4 |
| CDI |
0 |
0 |
0 |
50 |
113 |
286 |
2724 |
529 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
14 |
861 |
2937 |
|
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