Validation of sea ice concentration
Bulletin date: 2015-07-02
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2015-06-30:
| 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 |
16856 |
6605 |
2066 |
1142 |
463 |
72 |
84 |
3 |
| OW |
0 |
16 |
113 |
173 |
197 |
84 |
57 |
0 |
| VODI |
0 |
2 |
40 |
135 |
229 |
245 |
177 |
0 |
| ODI |
0 |
0 |
6 |
58 |
130 |
245 |
329 |
1 |
| CDI |
0 |
0 |
0 |
63 |
107 |
458 |
1119 |
38 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
32 |
2251 |
3461 |
|
...date precedes bulletin
|
Date: 2015-07-02:
| 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 |
16595 |
6335 |
2357 |
1188 |
542 |
181 |
135 |
4 |
| OW |
0 |
2 |
61 |
123 |
172 |
189 |
138 |
0 |
| VODI |
0 |
0 |
20 |
76 |
208 |
269 |
279 |
0 |
| ODI |
0 |
0 |
5 |
31 |
67 |
253 |
366 |
1 |
| CDI |
0 |
0 |
0 |
55 |
76 |
370 |
1373 |
11 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
41 |
2048 |
3486 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16595 |
6335 |
2354 |
1191 |
538 |
200 |
140 |
4 |
| OW |
0 |
2 |
64 |
118 |
188 |
147 |
134 |
0 |
| VODI |
0 |
0 |
19 |
79 |
206 |
329 |
301 |
0 |
| ODI |
0 |
0 |
6 |
27 |
53 |
214 |
376 |
1 |
| CDI |
0 |
0 |
0 |
58 |
81 |
370 |
1339 |
14 |
| VCDI |
0 |
0 |
0 |
1 |
8 |
43 |
2049 |
3483 |
|
Date: 2015-07-06:
| 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 |
16215 |
6789 |
2589 |
1133 |
591 |
327 |
62 |
0 |
| OW |
0 |
0 |
53 |
236 |
163 |
127 |
55 |
0 |
| VODI |
0 |
0 |
30 |
141 |
185 |
227 |
117 |
0 |
| ODI |
0 |
0 |
6 |
58 |
101 |
421 |
306 |
0 |
| CDI |
0 |
0 |
0 |
28 |
122 |
557 |
1224 |
777 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
44 |
1850 |
2523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16215 |
6788 |
2509 |
1057 |
612 |
337 |
81 |
0 |
| OW |
0 |
1 |
123 |
252 |
193 |
200 |
79 |
0 |
| VODI |
0 |
0 |
32 |
150 |
135 |
233 |
157 |
0 |
| ODI |
0 |
0 |
11 |
62 |
63 |
216 |
352 |
0 |
| CDI |
0 |
0 |
3 |
75 |
128 |
588 |
1357 |
329 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
129 |
1588 |
2971 |
|
Date: 2015-07-08:
| 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 |
17107 |
8121 |
1189 |
738 |
503 |
165 |
127 |
5 |
| OW |
0 |
6 |
98 |
147 |
183 |
101 |
39 |
0 |
| VODI |
0 |
2 |
53 |
112 |
233 |
174 |
72 |
0 |
| ODI |
0 |
2 |
33 |
50 |
204 |
326 |
174 |
9 |
| CDI |
0 |
0 |
12 |
75 |
204 |
470 |
1250 |
919 |
| VCDI |
0 |
0 |
0 |
21 |
23 |
37 |
1464 |
2619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17107 |
8077 |
1048 |
712 |
564 |
219 |
138 |
5 |
| OW |
0 |
45 |
145 |
152 |
182 |
92 |
34 |
0 |
| VODI |
0 |
6 |
95 |
114 |
192 |
147 |
151 |
0 |
| ODI |
0 |
3 |
44 |
29 |
125 |
196 |
264 |
1 |
| CDI |
0 |
0 |
52 |
110 |
260 |
581 |
1315 |
753 |
| VCDI |
0 |
0 |
1 |
26 |
27 |
38 |
1224 |
2793 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19164 |
7571 |
201 |
474 |
358 |
175 |
82 |
5 |
| OW |
0 |
257 |
28 |
88 |
91 |
62 |
38 |
0 |
| VODI |
0 |
158 |
39 |
87 |
161 |
105 |
144 |
0 |
| ODI |
0 |
56 |
30 |
62 |
173 |
133 |
195 |
9 |
| CDI |
0 |
34 |
23 |
150 |
450 |
447 |
1699 |
1522 |
| VCDI |
0 |
0 |
4 |
12 |
29 |
77 |
767 |
1907 |
|
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