Validation of sea ice concentration
Bulletin date: 2018-11-08
Model vs. observations, sea ice class contingency tables
Date: 2018-11-02:
| 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 |
21599 |
6692 |
715 |
266 |
107 |
61 |
4 |
0 |
| OW |
0 |
114 |
187 |
190 |
133 |
34 |
6 |
0 |
| VODI |
0 |
9 |
71 |
109 |
314 |
132 |
39 |
0 |
| ODI |
0 |
0 |
14 |
44 |
81 |
181 |
65 |
0 |
| CDI |
0 |
0 |
9 |
17 |
41 |
134 |
153 |
10 |
| VCDI |
0 |
0 |
2 |
5 |
31 |
145 |
2962 |
3483 |
|
...date precedes bulletin
|
Date: 2018-11-06:
| 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 |
21810 |
6026 |
930 |
335 |
98 |
68 |
18 |
0 |
| OW |
0 |
44 |
121 |
124 |
120 |
58 |
10 |
0 |
| VODI |
0 |
2 |
70 |
184 |
277 |
125 |
22 |
0 |
| ODI |
0 |
0 |
18 |
41 |
189 |
314 |
114 |
0 |
| CDI |
0 |
0 |
10 |
15 |
65 |
225 |
254 |
0 |
| VCDI |
0 |
0 |
3 |
10 |
30 |
155 |
2975 |
3299 |
|
...date precedes bulletin
|
Date: 2018-11-08:
| 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 |
21103 |
6207 |
798 |
343 |
69 |
37 |
26 |
0 |
| OW |
0 |
109 |
279 |
211 |
77 |
28 |
7 |
0 |
| VODI |
0 |
31 |
90 |
154 |
96 |
136 |
16 |
0 |
| ODI |
0 |
0 |
25 |
73 |
82 |
354 |
110 |
0 |
| CDI |
0 |
0 |
21 |
61 |
81 |
304 |
422 |
0 |
| VCDI |
0 |
0 |
18 |
19 |
44 |
191 |
3605 |
2932 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21103 |
6183 |
819 |
399 |
81 |
45 |
26 |
0 |
| OW |
0 |
126 |
236 |
159 |
66 |
40 |
9 |
0 |
| VODI |
0 |
37 |
109 |
152 |
95 |
172 |
17 |
0 |
| ODI |
0 |
1 |
26 |
67 |
81 |
340 |
112 |
0 |
| CDI |
0 |
0 |
20 |
59 |
81 |
263 |
386 |
0 |
| VCDI |
0 |
0 |
21 |
25 |
45 |
190 |
3636 |
2932 |
|
Date: 2018-11-12:
| 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 |
20487 |
6773 |
506 |
215 |
156 |
85 |
28 |
0 |
| OW |
2 |
125 |
163 |
146 |
119 |
109 |
22 |
0 |
| VODI |
0 |
28 |
65 |
108 |
178 |
223 |
56 |
0 |
| ODI |
0 |
9 |
12 |
30 |
54 |
252 |
71 |
0 |
| CDI |
0 |
7 |
9 |
24 |
41 |
450 |
408 |
4 |
| VCDI |
0 |
1 |
0 |
8 |
37 |
436 |
3504 |
3208 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20488 |
6641 |
456 |
191 |
158 |
111 |
26 |
0 |
| OW |
1 |
165 |
127 |
114 |
73 |
93 |
15 |
0 |
| VODI |
0 |
83 |
120 |
104 |
172 |
251 |
40 |
0 |
| ODI |
0 |
25 |
26 |
63 |
68 |
200 |
66 |
0 |
| CDI |
0 |
16 |
15 |
31 |
49 |
355 |
315 |
3 |
| VCDI |
0 |
13 |
11 |
28 |
65 |
545 |
3627 |
3209 |
|
Date: 2018-11-14:
| 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 |
20031 |
6673 |
580 |
201 |
114 |
36 |
48 |
0 |
| OW |
0 |
193 |
233 |
173 |
72 |
66 |
6 |
0 |
| VODI |
0 |
21 |
123 |
237 |
154 |
117 |
16 |
0 |
| ODI |
0 |
1 |
29 |
77 |
118 |
195 |
60 |
5 |
| CDI |
0 |
0 |
20 |
41 |
69 |
253 |
288 |
24 |
| VCDI |
0 |
0 |
3 |
24 |
54 |
258 |
3822 |
3724 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20031 |
6563 |
513 |
198 |
104 |
38 |
48 |
0 |
| OW |
0 |
206 |
160 |
110 |
48 |
36 |
10 |
0 |
| VODI |
0 |
98 |
186 |
196 |
147 |
154 |
14 |
0 |
| ODI |
0 |
17 |
66 |
129 |
109 |
188 |
69 |
4 |
| CDI |
0 |
4 |
43 |
65 |
91 |
202 |
304 |
17 |
| VCDI |
0 |
0 |
20 |
55 |
82 |
307 |
3795 |
3732 |
|
Date: 2018-11-16:
| 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 |
19827 |
6324 |
631 |
227 |
136 |
44 |
60 |
0 |
| OW |
0 |
178 |
214 |
167 |
109 |
80 |
12 |
0 |
| VODI |
0 |
19 |
126 |
176 |
149 |
254 |
27 |
0 |
| ODI |
0 |
0 |
48 |
81 |
86 |
262 |
79 |
6 |
| CDI |
0 |
0 |
23 |
32 |
50 |
281 |
258 |
31 |
| VCDI |
0 |
0 |
12 |
47 |
64 |
313 |
3713 |
4013 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19827 |
6226 |
647 |
248 |
142 |
68 |
63 |
0 |
| OW |
0 |
198 |
129 |
96 |
80 |
51 |
14 |
0 |
| VODI |
0 |
73 |
151 |
152 |
118 |
245 |
16 |
0 |
| ODI |
0 |
24 |
55 |
100 |
114 |
270 |
67 |
0 |
| CDI |
0 |
0 |
49 |
81 |
63 |
273 |
198 |
13 |
| VCDI |
0 |
0 |
23 |
53 |
77 |
327 |
3791 |
4037 |
|
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