Validation of sea ice concentration - Asian sector
Bulletin date: 2019-04-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2019-03-29:
| 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 |
0 |
55 |
4 |
25 |
4 |
0 |
0 |
0 |
| OW |
0 |
24 |
3 |
73 |
37 |
0 |
0 |
0 |
| VODI |
0 |
12 |
2 |
72 |
168 |
15 |
0 |
0 |
| ODI |
0 |
7 |
1 |
33 |
166 |
81 |
6 |
8 |
| CDI |
0 |
0 |
2 |
29 |
190 |
257 |
60 |
124 |
| VCDI |
0 |
0 |
0 |
16 |
225 |
921 |
7848 |
21614 |
|
...date precedes bulletin
|
Date: 2019-03-31:
| 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 |
0 |
61 |
5 |
53 |
8 |
0 |
0 |
0 |
| OW |
0 |
40 |
5 |
64 |
83 |
0 |
0 |
0 |
| VODI |
0 |
39 |
8 |
71 |
175 |
18 |
0 |
0 |
| ODI |
0 |
7 |
5 |
44 |
188 |
70 |
21 |
1 |
| CDI |
0 |
12 |
2 |
38 |
204 |
222 |
187 |
77 |
| VCDI |
0 |
6 |
2 |
80 |
300 |
1046 |
8857 |
20083 |
|
...date precedes bulletin
|
Date: 2019-04-02:
| 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 |
0 |
133 |
14 |
79 |
19 |
0 |
0 |
0 |
| OW |
0 |
56 |
12 |
111 |
67 |
0 |
0 |
0 |
| VODI |
0 |
17 |
2 |
149 |
282 |
17 |
2 |
0 |
| ODI |
0 |
12 |
1 |
75 |
254 |
159 |
27 |
0 |
| CDI |
0 |
12 |
3 |
65 |
141 |
429 |
180 |
57 |
| VCDI |
0 |
0 |
0 |
44 |
175 |
1398 |
9960 |
18130 |
|
...date precedes bulletin
|
Date: 2019-04-04:
| 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 |
0 |
162 |
11 |
56 |
9 |
0 |
0 |
0 |
| OW |
0 |
88 |
11 |
104 |
57 |
3 |
0 |
0 |
| VODI |
0 |
21 |
7 |
123 |
274 |
44 |
1 |
0 |
| ODI |
0 |
11 |
0 |
59 |
194 |
191 |
39 |
0 |
| CDI |
0 |
3 |
1 |
48 |
122 |
425 |
336 |
68 |
| VCDI |
0 |
0 |
0 |
27 |
170 |
947 |
10314 |
18156 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
134 |
14 |
77 |
17 |
0 |
0 |
0 |
| OW |
0 |
109 |
8 |
76 |
47 |
1 |
0 |
0 |
| VODI |
0 |
29 |
7 |
118 |
290 |
94 |
3 |
0 |
| ODI |
0 |
11 |
0 |
50 |
168 |
217 |
60 |
0 |
| CDI |
0 |
2 |
1 |
67 |
123 |
405 |
358 |
69 |
| VCDI |
0 |
0 |
0 |
29 |
181 |
893 |
10269 |
18155 |
|
Date: 2019-04-06:
| 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 |
0 |
168 |
7 |
34 |
2 |
0 |
0 |
0 |
| OW |
0 |
132 |
15 |
68 |
30 |
1 |
0 |
0 |
| VODI |
0 |
38 |
6 |
125 |
229 |
13 |
0 |
0 |
| ODI |
0 |
10 |
1 |
19 |
289 |
134 |
19 |
0 |
| CDI |
0 |
10 |
2 |
21 |
158 |
411 |
245 |
13 |
| VCDI |
0 |
0 |
0 |
29 |
173 |
854 |
9016 |
19810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
185 |
9 |
58 |
8 |
0 |
0 |
0 |
| OW |
0 |
108 |
12 |
54 |
29 |
0 |
0 |
0 |
| VODI |
0 |
48 |
7 |
118 |
289 |
41 |
0 |
0 |
| ODI |
0 |
10 |
2 |
19 |
199 |
207 |
36 |
0 |
| CDI |
0 |
7 |
1 |
21 |
178 |
381 |
261 |
12 |
| VCDI |
0 |
0 |
0 |
26 |
178 |
784 |
8983 |
19811 |
|
Date: 2019-04-08:
| 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 |
0 |
211 |
18 |
61 |
17 |
0 |
0 |
0 |
| OW |
0 |
53 |
9 |
92 |
38 |
0 |
0 |
0 |
| VODI |
0 |
13 |
2 |
127 |
168 |
51 |
4 |
0 |
| ODI |
0 |
0 |
2 |
22 |
228 |
232 |
27 |
0 |
| CDI |
0 |
0 |
0 |
3 |
132 |
496 |
385 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
573 |
9280 |
19766 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
192 |
16 |
84 |
12 |
0 |
0 |
0 |
| OW |
0 |
49 |
5 |
60 |
29 |
0 |
0 |
0 |
| VODI |
0 |
28 |
8 |
109 |
198 |
44 |
3 |
0 |
| ODI |
0 |
8 |
0 |
30 |
113 |
268 |
70 |
0 |
| CDI |
0 |
0 |
2 |
19 |
109 |
314 |
408 |
23 |
| VCDI |
0 |
0 |
0 |
3 |
178 |
726 |
9215 |
19759 |
|
Date: 2019-04-10:
| 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 |
0 |
138 |
13 |
63 |
18 |
0 |
0 |
0 |
| OW |
0 |
26 |
3 |
70 |
55 |
0 |
0 |
0 |
| VODI |
0 |
5 |
3 |
84 |
140 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
15 |
136 |
163 |
27 |
0 |
| CDI |
0 |
0 |
0 |
4 |
69 |
274 |
270 |
82 |
| VCDI |
0 |
0 |
0 |
0 |
91 |
728 |
9116 |
20475 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
137 |
10 |
84 |
27 |
0 |
0 |
0 |
| OW |
0 |
24 |
7 |
61 |
39 |
2 |
0 |
0 |
| VODI |
0 |
7 |
2 |
68 |
179 |
63 |
2 |
0 |
| ODI |
0 |
1 |
0 |
14 |
98 |
180 |
68 |
0 |
| CDI |
0 |
0 |
0 |
9 |
54 |
236 |
380 |
55 |
| VCDI |
0 |
0 |
0 |
0 |
112 |
698 |
8963 |
20502 |
|
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 |
0 |
125 |
13 |
36 |
14 |
0 |
0 |
0 |
| OW |
0 |
27 |
4 |
84 |
41 |
2 |
0 |
0 |
| VODI |
0 |
30 |
6 |
90 |
94 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
143 |
63 |
11 |
0 |
| CDI |
0 |
0 |
0 |
11 |
49 |
137 |
175 |
43 |
| VCDI |
0 |
0 |
0 |
1 |
42 |
566 |
8678 |
21561 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
134 |
14 |
77 |
23 |
0 |
0 |
0 |
| OW |
0 |
35 |
5 |
50 |
37 |
8 |
0 |
0 |
| VODI |
0 |
13 |
3 |
86 |
131 |
46 |
3 |
0 |
| ODI |
0 |
0 |
1 |
14 |
111 |
79 |
57 |
24 |
| CDI |
0 |
0 |
0 |
12 |
41 |
122 |
356 |
205 |
| VCDI |
0 |
0 |
0 |
5 |
40 |
527 |
8448 |
21375 |
|
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