Validation of sea ice concentration
Bulletin date: 2019-11-07
Model vs. observations, sea ice class contingency tables
Date: 2019-11-01:
| 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 |
18959 |
6563 |
595 |
337 |
343 |
164 |
100 |
0 |
| OW |
0 |
64 |
91 |
161 |
182 |
249 |
225 |
0 |
| VODI |
0 |
1 |
45 |
81 |
93 |
114 |
275 |
0 |
| ODI |
0 |
1 |
4 |
37 |
57 |
62 |
253 |
9 |
| CDI |
0 |
0 |
1 |
24 |
41 |
51 |
354 |
62 |
| VCDI |
0 |
0 |
4 |
14 |
73 |
212 |
3267 |
4991 |
|
...date precedes bulletin
|
Date: 2019-11-05:
| 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 |
18181 |
6803 |
668 |
385 |
92 |
112 |
63 |
0 |
| OW |
0 |
28 |
177 |
139 |
93 |
28 |
21 |
0 |
| VODI |
0 |
4 |
73 |
140 |
104 |
81 |
23 |
0 |
| ODI |
0 |
3 |
19 |
73 |
124 |
214 |
108 |
0 |
| CDI |
0 |
0 |
3 |
26 |
105 |
383 |
434 |
19 |
| VCDI |
0 |
3 |
2 |
14 |
47 |
690 |
5854 |
2823 |
|
...date precedes bulletin
|
Date: 2019-11-07:
| 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 |
17460 |
6995 |
692 |
336 |
172 |
107 |
69 |
0 |
| OW |
0 |
78 |
152 |
120 |
77 |
88 |
37 |
0 |
| VODI |
0 |
15 |
67 |
108 |
115 |
112 |
64 |
0 |
| ODI |
0 |
6 |
30 |
50 |
78 |
130 |
126 |
2 |
| CDI |
0 |
1 |
23 |
26 |
45 |
168 |
406 |
32 |
| VCDI |
0 |
0 |
11 |
16 |
42 |
321 |
5734 |
4048 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17460 |
6991 |
714 |
341 |
167 |
119 |
67 |
0 |
| OW |
0 |
79 |
130 |
119 |
84 |
72 |
34 |
0 |
| VODI |
0 |
18 |
67 |
103 |
111 |
115 |
62 |
0 |
| ODI |
0 |
6 |
29 |
48 |
78 |
120 |
109 |
2 |
| CDI |
0 |
1 |
26 |
30 |
56 |
168 |
361 |
28 |
| VCDI |
0 |
0 |
9 |
15 |
33 |
332 |
5803 |
4052 |
|
Date: 2019-11-11:
| 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 |
16305 |
7404 |
955 |
465 |
164 |
119 |
24 |
0 |
| OW |
0 |
37 |
165 |
178 |
136 |
184 |
33 |
0 |
| VODI |
0 |
4 |
32 |
155 |
177 |
269 |
74 |
0 |
| ODI |
0 |
0 |
12 |
33 |
75 |
210 |
110 |
0 |
| CDI |
0 |
0 |
3 |
22 |
50 |
217 |
313 |
14 |
| VCDI |
0 |
0 |
5 |
9 |
61 |
610 |
5479 |
4056 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16305 |
7204 |
837 |
438 |
173 |
129 |
62 |
0 |
| OW |
0 |
168 |
129 |
96 |
87 |
89 |
38 |
0 |
| VODI |
0 |
67 |
146 |
160 |
155 |
228 |
72 |
0 |
| ODI |
0 |
6 |
38 |
78 |
69 |
177 |
108 |
0 |
| CDI |
0 |
0 |
14 |
62 |
71 |
256 |
220 |
6 |
| VCDI |
0 |
0 |
8 |
28 |
108 |
730 |
5533 |
4064 |
|
Date: 2019-11-13:
| 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 |
15561 |
7020 |
1508 |
495 |
303 |
182 |
70 |
0 |
| OW |
0 |
41 |
204 |
233 |
146 |
106 |
43 |
0 |
| VODI |
0 |
3 |
50 |
200 |
155 |
288 |
106 |
0 |
| ODI |
0 |
0 |
15 |
54 |
72 |
186 |
131 |
0 |
| CDI |
0 |
0 |
15 |
43 |
44 |
206 |
335 |
0 |
| VCDI |
0 |
0 |
12 |
34 |
92 |
363 |
5727 |
4116 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15561 |
6986 |
1345 |
475 |
307 |
163 |
124 |
0 |
| OW |
0 |
42 |
201 |
100 |
91 |
106 |
53 |
0 |
| VODI |
0 |
35 |
168 |
194 |
105 |
212 |
108 |
0 |
| ODI |
0 |
1 |
39 |
131 |
119 |
230 |
167 |
0 |
| CDI |
0 |
0 |
23 |
74 |
80 |
200 |
305 |
6 |
| VCDI |
0 |
0 |
28 |
85 |
110 |
420 |
5655 |
4110 |
|
Date: 2019-11-15:
| 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 |
15296 |
7151 |
1445 |
600 |
190 |
146 |
82 |
0 |
| OW |
0 |
13 |
232 |
279 |
179 |
85 |
46 |
0 |
| VODI |
0 |
2 |
55 |
201 |
200 |
242 |
88 |
0 |
| ODI |
0 |
0 |
18 |
58 |
140 |
215 |
153 |
0 |
| CDI |
0 |
0 |
13 |
42 |
56 |
236 |
465 |
2 |
| VCDI |
0 |
0 |
11 |
32 |
74 |
390 |
5899 |
3823 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15296 |
7111 |
1290 |
567 |
206 |
142 |
129 |
0 |
| OW |
0 |
28 |
145 |
143 |
86 |
90 |
52 |
0 |
| VODI |
0 |
24 |
159 |
183 |
150 |
159 |
107 |
0 |
| ODI |
0 |
3 |
76 |
104 |
129 |
204 |
160 |
0 |
| CDI |
0 |
0 |
55 |
82 |
115 |
250 |
381 |
14 |
| VCDI |
0 |
0 |
49 |
133 |
153 |
469 |
5904 |
3811 |
|
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