Validation of sea ice concentration
Bulletin date: 2018-01-18
Model vs. observations, sea ice class contingency tables
Date: 2018-01-12:
| 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 |
14316 |
7343 |
1337 |
397 |
121 |
44 |
19 |
0 |
| OW |
0 |
68 |
103 |
168 |
106 |
72 |
30 |
0 |
| VODI |
0 |
41 |
47 |
143 |
101 |
127 |
84 |
0 |
| ODI |
0 |
17 |
21 |
75 |
86 |
120 |
177 |
0 |
| CDI |
0 |
2 |
27 |
39 |
87 |
243 |
436 |
12 |
| VCDI |
0 |
303 |
40 |
71 |
107 |
738 |
9681 |
1210 |
|
...date precedes bulletin
|
Date: 2018-01-16:
| 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 |
15201 |
7142 |
1219 |
401 |
136 |
33 |
9 |
0 |
| OW |
0 |
33 |
173 |
175 |
85 |
47 |
19 |
0 |
| VODI |
0 |
16 |
97 |
134 |
179 |
165 |
39 |
0 |
| ODI |
0 |
6 |
60 |
71 |
136 |
176 |
103 |
0 |
| CDI |
0 |
0 |
47 |
94 |
135 |
299 |
332 |
33 |
| VCDI |
0 |
0 |
41 |
132 |
177 |
760 |
6931 |
3323 |
|
...date precedes bulletin
|
Date: 2018-01-18:
| 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 |
15133 |
7228 |
1212 |
297 |
82 |
40 |
14 |
0 |
| OW |
0 |
48 |
173 |
172 |
73 |
70 |
35 |
0 |
| VODI |
0 |
39 |
140 |
141 |
94 |
125 |
81 |
0 |
| ODI |
0 |
21 |
51 |
108 |
85 |
153 |
178 |
0 |
| CDI |
0 |
4 |
40 |
69 |
109 |
232 |
392 |
13 |
| VCDI |
0 |
0 |
51 |
123 |
175 |
827 |
6657 |
3674 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15133 |
7219 |
1212 |
302 |
84 |
65 |
12 |
0 |
| OW |
0 |
56 |
171 |
153 |
71 |
52 |
33 |
0 |
| VODI |
0 |
35 |
137 |
145 |
82 |
105 |
73 |
0 |
| ODI |
0 |
24 |
43 |
119 |
94 |
153 |
180 |
0 |
| CDI |
0 |
6 |
40 |
63 |
101 |
228 |
393 |
10 |
| VCDI |
0 |
0 |
64 |
128 |
186 |
844 |
6666 |
3677 |
|
Date: 2018-01-22:
| 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 |
15142 |
7300 |
1205 |
224 |
26 |
10 |
1 |
0 |
| OW |
0 |
236 |
192 |
216 |
51 |
32 |
11 |
0 |
| VODI |
0 |
174 |
156 |
284 |
132 |
98 |
48 |
0 |
| ODI |
0 |
32 |
49 |
176 |
212 |
176 |
161 |
0 |
| CDI |
0 |
19 |
66 |
97 |
195 |
246 |
518 |
1 |
| VCDI |
0 |
3 |
24 |
50 |
124 |
559 |
6408 |
3505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15142 |
7151 |
1111 |
163 |
23 |
18 |
2 |
0 |
| OW |
0 |
208 |
181 |
149 |
28 |
28 |
13 |
0 |
| VODI |
0 |
193 |
130 |
242 |
82 |
67 |
52 |
0 |
| ODI |
0 |
86 |
67 |
166 |
112 |
124 |
136 |
0 |
| CDI |
0 |
52 |
67 |
142 |
182 |
150 |
396 |
5 |
| VCDI |
0 |
74 |
136 |
185 |
313 |
734 |
6548 |
3501 |
|
Date: 2018-01-24:
| 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 |
14957 |
7253 |
1138 |
286 |
57 |
15 |
0 |
0 |
| OW |
0 |
202 |
238 |
160 |
61 |
41 |
4 |
0 |
| VODI |
0 |
138 |
192 |
245 |
163 |
103 |
39 |
0 |
| ODI |
0 |
21 |
75 |
216 |
171 |
165 |
114 |
0 |
| CDI |
0 |
4 |
63 |
136 |
164 |
271 |
449 |
11 |
| VCDI |
0 |
0 |
23 |
99 |
150 |
439 |
6683 |
3613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14957 |
7162 |
1039 |
281 |
42 |
16 |
1 |
0 |
| OW |
0 |
168 |
184 |
135 |
63 |
33 |
7 |
0 |
| VODI |
0 |
148 |
192 |
192 |
153 |
89 |
31 |
0 |
| ODI |
0 |
69 |
104 |
155 |
136 |
150 |
143 |
0 |
| CDI |
0 |
40 |
55 |
162 |
141 |
207 |
347 |
4 |
| VCDI |
0 |
31 |
155 |
217 |
231 |
539 |
6760 |
3620 |
|
Date: 2018-01-26:
| 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 |
14595 |
7110 |
962 |
476 |
154 |
37 |
1 |
0 |
| OW |
0 |
33 |
187 |
220 |
183 |
131 |
7 |
0 |
| VODI |
0 |
11 |
69 |
181 |
176 |
324 |
51 |
0 |
| ODI |
0 |
6 |
20 |
97 |
173 |
409 |
136 |
0 |
| CDI |
0 |
3 |
10 |
48 |
122 |
403 |
548 |
18 |
| VCDI |
0 |
0 |
8 |
49 |
109 |
614 |
6713 |
3765 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14595 |
7026 |
931 |
468 |
176 |
76 |
5 |
0 |
| OW |
0 |
53 |
158 |
164 |
131 |
104 |
21 |
0 |
| VODI |
0 |
42 |
72 |
194 |
178 |
225 |
53 |
0 |
| ODI |
0 |
13 |
44 |
79 |
138 |
298 |
147 |
0 |
| CDI |
0 |
9 |
18 |
64 |
115 |
370 |
483 |
24 |
| VCDI |
0 |
20 |
33 |
102 |
179 |
845 |
6747 |
3759 |
|
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