Validation of sea ice concentration
Bulletin date: 2018-06-14
Model vs. observations, sea ice class contingency tables
Date: 2018-06-08:
| 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 |
16119 |
6402 |
1335 |
1187 |
384 |
65 |
58 |
15 |
| OW |
0 |
1 |
96 |
235 |
199 |
100 |
74 |
7 |
| VODI |
0 |
0 |
48 |
200 |
270 |
200 |
214 |
2 |
| ODI |
0 |
0 |
28 |
108 |
129 |
231 |
425 |
1 |
| CDI |
0 |
0 |
6 |
111 |
149 |
327 |
1972 |
1 |
| VCDI |
0 |
0 |
0 |
9 |
9 |
111 |
3682 |
3649 |
|
...date precedes bulletin
|
Date: 2018-06-12:
| 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 |
16121 |
6461 |
1427 |
1345 |
384 |
78 |
76 |
0 |
| OW |
0 |
0 |
75 |
227 |
186 |
70 |
76 |
0 |
| VODI |
0 |
0 |
17 |
171 |
248 |
175 |
172 |
0 |
| ODI |
0 |
0 |
9 |
81 |
186 |
359 |
486 |
0 |
| CDI |
0 |
0 |
2 |
19 |
58 |
292 |
2838 |
19 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
27 |
2909 |
3561 |
|
...date precedes bulletin
|
Date: 2018-06-14:
| 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 |
16231 |
6283 |
1689 |
1186 |
587 |
115 |
86 |
0 |
| OW |
0 |
0 |
54 |
138 |
211 |
133 |
67 |
0 |
| VODI |
0 |
0 |
33 |
133 |
210 |
335 |
288 |
0 |
| ODI |
0 |
0 |
14 |
79 |
116 |
275 |
849 |
0 |
| CDI |
0 |
0 |
2 |
2 |
25 |
177 |
2875 |
2 |
| VCDI |
0 |
0 |
0 |
2 |
4 |
10 |
2334 |
3614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16231 |
6283 |
1690 |
1202 |
657 |
147 |
99 |
0 |
| OW |
0 |
0 |
49 |
118 |
157 |
148 |
70 |
0 |
| VODI |
0 |
0 |
36 |
134 |
214 |
328 |
323 |
0 |
| ODI |
0 |
0 |
15 |
78 |
89 |
247 |
805 |
0 |
| CDI |
0 |
0 |
2 |
6 |
32 |
164 |
2902 |
2 |
| VCDI |
0 |
0 |
0 |
2 |
4 |
11 |
2300 |
3614 |
|
Date: 2018-06-18:
| 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 |
16982 |
6658 |
1446 |
936 |
381 |
125 |
99 |
0 |
| OW |
0 |
1 |
89 |
145 |
185 |
101 |
64 |
0 |
| VODI |
0 |
0 |
52 |
162 |
210 |
240 |
162 |
2 |
| ODI |
0 |
0 |
9 |
43 |
122 |
639 |
796 |
3 |
| CDI |
0 |
0 |
2 |
5 |
22 |
181 |
2965 |
4 |
| VCDI |
0 |
0 |
0 |
5 |
7 |
12 |
1848 |
3456 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16982 |
6651 |
1425 |
986 |
484 |
205 |
135 |
0 |
| OW |
0 |
8 |
80 |
121 |
159 |
179 |
126 |
0 |
| VODI |
0 |
0 |
60 |
128 |
175 |
341 |
459 |
3 |
| ODI |
0 |
0 |
31 |
45 |
68 |
423 |
846 |
2 |
| CDI |
0 |
0 |
2 |
11 |
38 |
146 |
3346 |
29 |
| VCDI |
0 |
0 |
0 |
5 |
3 |
4 |
1022 |
3431 |
|
Date: 2018-06-20:
| 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 |
16939 |
6886 |
1656 |
955 |
305 |
49 |
101 |
0 |
| OW |
0 |
0 |
78 |
243 |
211 |
71 |
84 |
0 |
| VODI |
0 |
0 |
31 |
167 |
265 |
249 |
324 |
0 |
| ODI |
0 |
0 |
12 |
37 |
100 |
564 |
894 |
0 |
| CDI |
0 |
0 |
1 |
9 |
31 |
177 |
3027 |
17 |
| VCDI |
0 |
0 |
0 |
7 |
2 |
25 |
1611 |
3031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16939 |
6880 |
1622 |
1026 |
433 |
96 |
155 |
0 |
| OW |
0 |
6 |
73 |
164 |
191 |
117 |
178 |
0 |
| VODI |
0 |
0 |
46 |
123 |
182 |
352 |
554 |
0 |
| ODI |
0 |
0 |
34 |
82 |
81 |
412 |
887 |
0 |
| CDI |
0 |
0 |
3 |
15 |
26 |
135 |
3293 |
97 |
| VCDI |
0 |
0 |
0 |
8 |
1 |
23 |
974 |
2951 |
|
Date: 2018-06-22:
| 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 |
16973 |
6846 |
1890 |
1011 |
325 |
57 |
148 |
0 |
| OW |
0 |
6 |
68 |
207 |
232 |
102 |
195 |
0 |
| VODI |
0 |
1 |
27 |
122 |
312 |
323 |
606 |
0 |
| ODI |
0 |
0 |
10 |
35 |
80 |
267 |
933 |
0 |
| CDI |
0 |
0 |
1 |
29 |
46 |
182 |
2562 |
15 |
| VCDI |
0 |
0 |
0 |
7 |
4 |
25 |
1501 |
3011 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16973 |
6827 |
1869 |
1031 |
444 |
91 |
226 |
0 |
| OW |
0 |
26 |
60 |
123 |
212 |
151 |
171 |
0 |
| VODI |
0 |
0 |
43 |
176 |
208 |
315 |
631 |
0 |
| ODI |
0 |
0 |
23 |
53 |
106 |
249 |
1222 |
0 |
| CDI |
0 |
0 |
1 |
21 |
27 |
126 |
2962 |
110 |
| VCDI |
0 |
0 |
0 |
7 |
2 |
24 |
733 |
2916 |
|
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