Validation of sea ice concentration
Bulletin date: 2019-04-18
Model vs. observations, sea ice class contingency tables
Date: 2019-04-12:
| 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 |
12162 |
6101 |
1344 |
746 |
491 |
167 |
100 |
0 |
| OW |
0 |
10 |
177 |
214 |
202 |
141 |
63 |
0 |
| VODI |
0 |
0 |
48 |
110 |
208 |
220 |
127 |
0 |
| ODI |
0 |
0 |
11 |
28 |
131 |
267 |
216 |
1 |
| CDI |
0 |
0 |
6 |
16 |
86 |
352 |
805 |
23 |
| VCDI |
0 |
0 |
4 |
11 |
33 |
443 |
7231 |
5864 |
|
...date precedes bulletin
|
Date: 2019-04-16:
| 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 |
12873 |
6353 |
836 |
1049 |
248 |
98 |
59 |
0 |
| OW |
0 |
101 |
84 |
186 |
167 |
89 |
34 |
0 |
| VODI |
0 |
20 |
34 |
95 |
215 |
166 |
116 |
0 |
| ODI |
0 |
0 |
3 |
91 |
219 |
304 |
215 |
5 |
| CDI |
0 |
0 |
1 |
36 |
131 |
447 |
810 |
32 |
| VCDI |
0 |
0 |
10 |
8 |
45 |
461 |
7452 |
5066 |
|
...date precedes bulletin
|
Date: 2019-04-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2019-04-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2019-04-24:
| 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 |
13652 |
6438 |
772 |
494 |
166 |
91 |
66 |
0 |
| OW |
0 |
64 |
91 |
276 |
111 |
64 |
52 |
0 |
| VODI |
0 |
24 |
19 |
145 |
211 |
213 |
151 |
0 |
| ODI |
0 |
1 |
4 |
35 |
116 |
269 |
376 |
3 |
| CDI |
0 |
4 |
2 |
20 |
59 |
285 |
928 |
10 |
| VCDI |
0 |
1 |
3 |
2 |
28 |
244 |
7284 |
5385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13652 |
6468 |
793 |
615 |
226 |
143 |
125 |
0 |
| OW |
0 |
46 |
63 |
160 |
120 |
82 |
80 |
0 |
| VODI |
0 |
7 |
22 |
113 |
134 |
206 |
210 |
0 |
| ODI |
0 |
6 |
6 |
57 |
101 |
172 |
311 |
0 |
| CDI |
0 |
1 |
4 |
18 |
71 |
225 |
647 |
5 |
| VCDI |
0 |
4 |
3 |
9 |
39 |
338 |
7484 |
5393 |
|
Date: 2019-04-26:
| 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 |
13487 |
6597 |
812 |
557 |
234 |
96 |
77 |
0 |
| OW |
0 |
60 |
110 |
181 |
113 |
76 |
61 |
0 |
| VODI |
0 |
12 |
29 |
113 |
209 |
205 |
234 |
0 |
| ODI |
0 |
2 |
1 |
48 |
96 |
178 |
407 |
5 |
| CDI |
0 |
6 |
2 |
26 |
52 |
199 |
893 |
13 |
| VCDI |
0 |
0 |
1 |
8 |
31 |
191 |
7329 |
5408 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13487 |
6600 |
869 |
576 |
263 |
136 |
144 |
0 |
| OW |
0 |
47 |
44 |
142 |
89 |
69 |
84 |
0 |
| VODI |
0 |
18 |
33 |
118 |
139 |
148 |
237 |
0 |
| ODI |
0 |
4 |
6 |
59 |
123 |
142 |
287 |
3 |
| CDI |
0 |
8 |
2 |
29 |
78 |
156 |
616 |
16 |
| VCDI |
0 |
0 |
1 |
9 |
43 |
294 |
7633 |
5407 |
|
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