Validation of sea ice concentration - Asian sector
Bulletin date: 2019-04-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2019-04-19:
| 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 |
170 |
4 |
23 |
3 |
0 |
0 |
0 |
| OW |
0 |
33 |
9 |
29 |
13 |
0 |
0 |
0 |
| VODI |
0 |
10 |
3 |
61 |
68 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
20 |
81 |
60 |
4 |
0 |
| CDI |
0 |
0 |
0 |
2 |
36 |
191 |
61 |
65 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
595 |
8527 |
21962 |
|
...date precedes bulletin
|
Date: 2019-04-21:
| 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 |
188 |
4 |
24 |
2 |
0 |
0 |
0 |
| OW |
0 |
42 |
10 |
45 |
22 |
0 |
0 |
0 |
| VODI |
0 |
6 |
2 |
81 |
83 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
116 |
26 |
6 |
0 |
| CDI |
0 |
0 |
0 |
3 |
53 |
169 |
88 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
794 |
8550 |
21665 |
|
...date precedes bulletin
|
Date: 2019-04-23:
| 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 |
0 |
176 |
9 |
39 |
6 |
0 |
0 |
0 |
| OW |
0 |
19 |
4 |
72 |
44 |
0 |
0 |
0 |
| VODI |
0 |
3 |
3 |
71 |
162 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
55 |
118 |
52 |
0 |
| CDI |
0 |
0 |
0 |
7 |
63 |
323 |
157 |
32 |
| VCDI |
0 |
0 |
0 |
0 |
140 |
2110 |
11450 |
16926 |
|
...date precedes bulletin
|
Date: 2019-04-25:
| 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 |
142 |
5 |
31 |
9 |
0 |
0 |
0 |
| OW |
0 |
14 |
6 |
56 |
48 |
0 |
0 |
0 |
| VODI |
0 |
3 |
0 |
42 |
170 |
27 |
3 |
0 |
| ODI |
0 |
0 |
0 |
9 |
129 |
143 |
60 |
1 |
| CDI |
0 |
0 |
0 |
6 |
157 |
291 |
348 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
235 |
1892 |
13168 |
15077 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
142 |
5 |
35 |
10 |
0 |
0 |
0 |
| OW |
0 |
15 |
5 |
46 |
33 |
0 |
0 |
0 |
| VODI |
0 |
2 |
1 |
43 |
160 |
18 |
7 |
0 |
| ODI |
0 |
0 |
0 |
14 |
150 |
126 |
51 |
1 |
| CDI |
0 |
0 |
0 |
5 |
148 |
298 |
356 |
9 |
| VCDI |
0 |
0 |
0 |
1 |
247 |
1911 |
13165 |
15078 |
|
Date: 2019-04-27:
| 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 |
0 |
101 |
5 |
39 |
14 |
0 |
0 |
0 |
| OW |
0 |
14 |
4 |
45 |
41 |
2 |
0 |
0 |
| VODI |
0 |
3 |
1 |
24 |
135 |
64 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
59 |
175 |
16 |
0 |
| CDI |
0 |
0 |
0 |
0 |
84 |
303 |
259 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
1478 |
11519 |
17606 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
104 |
6 |
36 |
11 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
43 |
27 |
1 |
0 |
0 |
| VODI |
0 |
3 |
0 |
29 |
140 |
53 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
63 |
175 |
21 |
1 |
| CDI |
0 |
0 |
0 |
0 |
80 |
314 |
270 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
91 |
1479 |
11503 |
17603 |
|
Date: 2019-04-29:
| 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 |
98 |
2 |
36 |
14 |
0 |
0 |
0 |
| OW |
0 |
13 |
7 |
38 |
26 |
0 |
0 |
0 |
| VODI |
0 |
2 |
0 |
23 |
80 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
216 |
124 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
121 |
330 |
86 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
118 |
1141 |
11984 |
17611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
94 |
4 |
36 |
14 |
0 |
0 |
0 |
| OW |
0 |
18 |
5 |
32 |
37 |
0 |
0 |
0 |
| VODI |
0 |
1 |
0 |
25 |
137 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
94 |
145 |
7 |
0 |
| CDI |
0 |
0 |
0 |
0 |
119 |
263 |
269 |
32 |
| VCDI |
0 |
0 |
0 |
0 |
174 |
1159 |
11794 |
17586 |
|
Date: 2019-05-01:
| 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 |
114 |
3 |
22 |
12 |
0 |
0 |
0 |
| OW |
0 |
5 |
4 |
36 |
24 |
0 |
0 |
0 |
| VODI |
0 |
2 |
0 |
56 |
66 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
181 |
23 |
5 |
0 |
| CDI |
0 |
0 |
0 |
3 |
148 |
196 |
154 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
173 |
2528 |
14235 |
14041 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
86 |
1 |
26 |
19 |
0 |
0 |
0 |
| OW |
0 |
31 |
5 |
38 |
35 |
0 |
0 |
0 |
| VODI |
0 |
4 |
1 |
77 |
109 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
98 |
63 |
10 |
1 |
| CDI |
0 |
0 |
0 |
4 |
108 |
229 |
193 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
235 |
2447 |
14191 |
14039 |
|
Date: 2019-05-03:
| 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 |
99 |
2 |
10 |
24 |
1 |
0 |
0 |
| OW |
0 |
9 |
5 |
30 |
29 |
6 |
0 |
0 |
| VODI |
0 |
7 |
1 |
27 |
88 |
22 |
1 |
0 |
| ODI |
0 |
0 |
1 |
63 |
100 |
92 |
18 |
2 |
| CDI |
0 |
0 |
0 |
7 |
172 |
223 |
158 |
95 |
| VCDI |
0 |
0 |
0 |
0 |
401 |
1661 |
13602 |
15126 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
81 |
0 |
12 |
27 |
4 |
0 |
0 |
| OW |
0 |
23 |
6 |
16 |
46 |
11 |
3 |
0 |
| VODI |
0 |
11 |
3 |
35 |
89 |
61 |
16 |
0 |
| ODI |
0 |
0 |
0 |
20 |
55 |
99 |
54 |
0 |
| CDI |
0 |
0 |
0 |
30 |
106 |
175 |
374 |
1 |
| VCDI |
0 |
0 |
0 |
24 |
491 |
1655 |
13332 |
15222 |
|
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