Validation of sea ice concentration
Bulletin date: 2016-12-29
Model vs. observations, sea ice class contingency tables
Date: 2016-12-23:
| 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 |
16607 |
7538 |
872 |
260 |
107 |
79 |
101 |
0 |
| OW |
0 |
360 |
236 |
103 |
33 |
48 |
51 |
0 |
| VODI |
0 |
273 |
286 |
230 |
112 |
76 |
51 |
0 |
| ODI |
0 |
120 |
188 |
212 |
125 |
83 |
79 |
1 |
| CDI |
0 |
28 |
136 |
185 |
147 |
109 |
311 |
44 |
| VCDI |
0 |
45 |
175 |
264 |
349 |
466 |
4617 |
3052 |
|
...date precedes bulletin
|
Date: 2016-12-27:
| 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 |
16822 |
7612 |
920 |
391 |
113 |
62 |
76 |
0 |
| OW |
0 |
61 |
203 |
183 |
84 |
49 |
27 |
0 |
| VODI |
0 |
22 |
147 |
221 |
187 |
107 |
58 |
0 |
| ODI |
0 |
5 |
109 |
142 |
167 |
242 |
107 |
4 |
| CDI |
0 |
0 |
65 |
121 |
187 |
381 |
196 |
65 |
| VCDI |
0 |
0 |
24 |
117 |
187 |
649 |
4207 |
3839 |
|
...date precedes bulletin
|
Date: 2016-12-29:
| 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 |
16546 |
7922 |
542 |
241 |
110 |
41 |
61 |
0 |
| OW |
0 |
179 |
213 |
118 |
46 |
53 |
19 |
0 |
| VODI |
0 |
85 |
212 |
167 |
77 |
96 |
58 |
0 |
| ODI |
0 |
29 |
88 |
163 |
136 |
158 |
78 |
3 |
| CDI |
0 |
13 |
72 |
143 |
171 |
337 |
232 |
49 |
| VCDI |
0 |
10 |
50 |
184 |
248 |
901 |
4653 |
3655 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16546 |
7942 |
573 |
263 |
116 |
50 |
63 |
0 |
| OW |
0 |
163 |
190 |
118 |
42 |
51 |
15 |
0 |
| VODI |
0 |
78 |
210 |
163 |
99 |
110 |
48 |
0 |
| ODI |
0 |
34 |
88 |
161 |
128 |
179 |
79 |
1 |
| CDI |
0 |
15 |
68 |
128 |
159 |
304 |
240 |
53 |
| VCDI |
0 |
6 |
48 |
183 |
244 |
892 |
4656 |
3653 |
|
Date: 2017-01-02:
| 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 |
16150 |
7478 |
738 |
331 |
136 |
75 |
62 |
0 |
| OW |
0 |
71 |
177 |
157 |
146 |
44 |
19 |
0 |
| VODI |
0 |
42 |
140 |
132 |
153 |
107 |
32 |
0 |
| ODI |
0 |
16 |
83 |
104 |
156 |
224 |
93 |
0 |
| CDI |
0 |
0 |
59 |
84 |
137 |
492 |
326 |
16 |
| VCDI |
0 |
0 |
11 |
29 |
76 |
901 |
6388 |
2774 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16150 |
7355 |
654 |
262 |
145 |
98 |
69 |
0 |
| OW |
0 |
122 |
194 |
143 |
90 |
44 |
15 |
0 |
| VODI |
0 |
84 |
154 |
146 |
137 |
82 |
49 |
0 |
| ODI |
0 |
28 |
111 |
109 |
135 |
170 |
74 |
0 |
| CDI |
0 |
14 |
48 |
116 |
158 |
371 |
277 |
20 |
| VCDI |
0 |
4 |
47 |
61 |
139 |
1078 |
6436 |
2770 |
|
Date: 2017-01-04:
| 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 |
15679 |
7489 |
628 |
339 |
276 |
100 |
65 |
0 |
| OW |
0 |
100 |
158 |
103 |
85 |
73 |
21 |
0 |
| VODI |
0 |
41 |
127 |
125 |
118 |
159 |
15 |
0 |
| ODI |
0 |
17 |
77 |
64 |
123 |
222 |
78 |
0 |
| CDI |
0 |
10 |
36 |
94 |
94 |
413 |
304 |
22 |
| VCDI |
0 |
2 |
7 |
49 |
122 |
900 |
6235 |
3589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15679 |
7355 |
520 |
261 |
201 |
100 |
69 |
0 |
| OW |
0 |
152 |
176 |
173 |
140 |
92 |
21 |
0 |
| VODI |
0 |
90 |
151 |
108 |
151 |
155 |
32 |
0 |
| ODI |
0 |
47 |
82 |
62 |
110 |
192 |
65 |
0 |
| CDI |
0 |
15 |
77 |
72 |
77 |
419 |
297 |
31 |
| VCDI |
0 |
0 |
27 |
98 |
139 |
909 |
6234 |
3580 |
|
Date: 2017-01-06:
| 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 |
15579 |
7332 |
830 |
299 |
116 |
70 |
63 |
0 |
| OW |
0 |
99 |
121 |
169 |
97 |
48 |
22 |
0 |
| VODI |
0 |
53 |
129 |
152 |
123 |
126 |
55 |
0 |
| ODI |
0 |
21 |
49 |
108 |
105 |
161 |
166 |
3 |
| CDI |
0 |
14 |
25 |
73 |
98 |
336 |
458 |
22 |
| VCDI |
0 |
0 |
3 |
48 |
111 |
533 |
6773 |
3569 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15579 |
7202 |
681 |
189 |
86 |
71 |
59 |
0 |
| OW |
0 |
149 |
200 |
209 |
94 |
48 |
20 |
0 |
| VODI |
0 |
109 |
146 |
189 |
156 |
157 |
45 |
0 |
| ODI |
0 |
34 |
71 |
112 |
94 |
182 |
119 |
0 |
| CDI |
0 |
18 |
47 |
98 |
122 |
358 |
442 |
18 |
| VCDI |
0 |
7 |
12 |
52 |
98 |
458 |
6852 |
3576 |
|
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