Validation of sea ice concentration
Bulletin date: 2020-02-06
Model vs. observations, sea ice class contingency tables
Date: 2020-01-31:
| 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 |
13641 |
5584 |
566 |
366 |
213 |
163 |
97 |
0 |
| OW |
0 |
93 |
227 |
92 |
69 |
97 |
94 |
0 |
| VODI |
0 |
31 |
178 |
121 |
116 |
165 |
141 |
0 |
| ODI |
0 |
7 |
88 |
96 |
105 |
162 |
274 |
1 |
| CDI |
0 |
4 |
54 |
58 |
115 |
230 |
671 |
27 |
| VCDI |
0 |
4 |
48 |
57 |
70 |
239 |
6337 |
7458 |
|
...date precedes bulletin
|
Date: 2020-02-04:
| 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 |
13402 |
5640 |
731 |
250 |
132 |
56 |
39 |
0 |
| OW |
0 |
39 |
175 |
156 |
120 |
89 |
25 |
0 |
| VODI |
0 |
17 |
105 |
146 |
182 |
208 |
61 |
0 |
| ODI |
0 |
5 |
76 |
124 |
195 |
372 |
125 |
7 |
| CDI |
0 |
0 |
28 |
122 |
211 |
464 |
666 |
130 |
| VCDI |
0 |
0 |
2 |
151 |
336 |
605 |
7098 |
5869 |
|
...date precedes bulletin
|
Date: 2020-02-06:
| 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 |
13127 |
5600 |
977 |
294 |
136 |
42 |
3 |
0 |
| OW |
0 |
7 |
167 |
138 |
106 |
61 |
10 |
0 |
| VODI |
0 |
1 |
98 |
130 |
202 |
157 |
37 |
0 |
| ODI |
0 |
0 |
28 |
98 |
214 |
281 |
106 |
2 |
| CDI |
0 |
0 |
12 |
47 |
143 |
461 |
430 |
40 |
| VCDI |
0 |
0 |
3 |
30 |
151 |
806 |
7703 |
6311 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13127 |
5600 |
984 |
310 |
151 |
53 |
5 |
0 |
| OW |
0 |
7 |
162 |
126 |
105 |
60 |
11 |
0 |
| VODI |
0 |
1 |
97 |
117 |
181 |
130 |
40 |
0 |
| ODI |
0 |
0 |
27 |
104 |
205 |
262 |
112 |
2 |
| CDI |
0 |
0 |
12 |
46 |
152 |
458 |
447 |
39 |
| VCDI |
0 |
0 |
3 |
34 |
158 |
845 |
7674 |
6312 |
|
Date: 2020-02-10:
| 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 |
13654 |
5855 |
698 |
266 |
54 |
7 |
3 |
0 |
| OW |
0 |
32 |
202 |
163 |
71 |
16 |
8 |
0 |
| VODI |
0 |
8 |
132 |
236 |
130 |
75 |
45 |
0 |
| ODI |
0 |
0 |
68 |
168 |
185 |
146 |
177 |
0 |
| CDI |
0 |
0 |
28 |
158 |
198 |
287 |
434 |
13 |
| VCDI |
0 |
0 |
7 |
143 |
312 |
1125 |
8821 |
4234 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13654 |
5832 |
651 |
239 |
51 |
3 |
2 |
0 |
| OW |
0 |
51 |
195 |
163 |
60 |
16 |
8 |
0 |
| VODI |
0 |
11 |
179 |
220 |
121 |
60 |
52 |
0 |
| ODI |
0 |
1 |
78 |
204 |
174 |
130 |
130 |
0 |
| CDI |
0 |
0 |
28 |
169 |
243 |
324 |
416 |
17 |
| VCDI |
0 |
0 |
4 |
139 |
301 |
1123 |
8880 |
4230 |
|
Date: 2020-02-12:
| 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 |
13565 |
5828 |
925 |
296 |
106 |
23 |
4 |
0 |
| OW |
0 |
43 |
250 |
159 |
101 |
44 |
15 |
0 |
| VODI |
0 |
15 |
174 |
237 |
202 |
98 |
62 |
0 |
| ODI |
0 |
3 |
108 |
156 |
139 |
89 |
222 |
2 |
| CDI |
0 |
0 |
52 |
204 |
149 |
154 |
462 |
23 |
| VCDI |
0 |
0 |
52 |
287 |
408 |
624 |
7791 |
5087 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13565 |
5783 |
762 |
225 |
81 |
18 |
2 |
0 |
| OW |
0 |
61 |
271 |
146 |
67 |
22 |
9 |
0 |
| VODI |
0 |
35 |
222 |
199 |
183 |
74 |
39 |
0 |
| ODI |
0 |
9 |
132 |
193 |
163 |
94 |
155 |
1 |
| CDI |
0 |
1 |
110 |
237 |
154 |
156 |
444 |
24 |
| VCDI |
0 |
0 |
64 |
339 |
457 |
668 |
7907 |
5087 |
|
Date: 2020-02-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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