Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-13:
| 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 |
105 |
10 |
70 |
14 |
0 |
0 |
0 |
| OW |
0 |
52 |
9 |
45 |
25 |
0 |
0 |
0 |
| VODI |
0 |
21 |
7 |
107 |
53 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
111 |
131 |
27 |
1 |
0 |
| CDI |
0 |
0 |
0 |
56 |
475 |
233 |
75 |
9 |
| VCDI |
0 |
0 |
0 |
58 |
854 |
4050 |
10498 |
14982 |
|
...date precedes bulletin
|
Date: 2022-05-15:
| 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 |
9 |
60 |
8 |
0 |
0 |
0 |
| OW |
0 |
44 |
7 |
66 |
28 |
0 |
0 |
0 |
| VODI |
0 |
13 |
9 |
109 |
50 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
111 |
95 |
37 |
4 |
0 |
| CDI |
0 |
0 |
0 |
92 |
502 |
347 |
193 |
1 |
| VCDI |
0 |
0 |
0 |
101 |
1002 |
4255 |
9175 |
15646 |
|
...date precedes bulletin
|
Date: 2022-05-17:
| 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 |
156 |
12 |
49 |
4 |
0 |
0 |
0 |
| OW |
0 |
29 |
7 |
132 |
11 |
0 |
0 |
0 |
| VODI |
0 |
11 |
2 |
129 |
125 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
95 |
219 |
41 |
1 |
0 |
| CDI |
0 |
0 |
0 |
145 |
781 |
609 |
122 |
33 |
| VCDI |
0 |
10 |
2 |
129 |
1317 |
4305 |
9666 |
13940 |
|
...date precedes bulletin
|
Date: 2022-05-19:
| 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 |
187 |
13 |
72 |
2 |
0 |
0 |
0 |
| OW |
0 |
49 |
9 |
129 |
25 |
0 |
0 |
0 |
| VODI |
0 |
13 |
2 |
124 |
123 |
2 |
0 |
0 |
| ODI |
0 |
1 |
3 |
125 |
232 |
43 |
21 |
0 |
| CDI |
0 |
8 |
2 |
198 |
697 |
568 |
214 |
24 |
| VCDI |
0 |
73 |
7 |
171 |
1477 |
4686 |
10130 |
12652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
174 |
10 |
79 |
5 |
0 |
0 |
0 |
| OW |
0 |
56 |
11 |
123 |
21 |
0 |
0 |
0 |
| VODI |
0 |
19 |
3 |
117 |
124 |
2 |
0 |
0 |
| ODI |
0 |
0 |
2 |
138 |
206 |
39 |
21 |
0 |
| CDI |
0 |
11 |
3 |
201 |
669 |
577 |
223 |
23 |
| VCDI |
0 |
71 |
7 |
161 |
1531 |
4681 |
10121 |
12653 |
|
Date: 2022-05-21:
| 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 |
124 |
8 |
73 |
6 |
0 |
0 |
0 |
| OW |
0 |
23 |
6 |
129 |
49 |
2 |
0 |
0 |
| VODI |
0 |
2 |
1 |
134 |
125 |
19 |
2 |
0 |
| ODI |
0 |
28 |
11 |
105 |
204 |
90 |
29 |
0 |
| CDI |
0 |
98 |
10 |
120 |
688 |
815 |
469 |
11 |
| VCDI |
0 |
107 |
16 |
198 |
1777 |
3969 |
11340 |
11294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
10 |
75 |
7 |
0 |
0 |
0 |
| OW |
0 |
19 |
4 |
116 |
38 |
1 |
0 |
0 |
| VODI |
0 |
1 |
3 |
146 |
146 |
13 |
3 |
0 |
| ODI |
0 |
30 |
9 |
103 |
181 |
98 |
32 |
0 |
| CDI |
0 |
108 |
8 |
115 |
706 |
852 |
446 |
4 |
| VCDI |
0 |
96 |
18 |
204 |
1771 |
3931 |
11359 |
11301 |
|
Date: 2022-05-23:
| 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 |
45 |
8 |
44 |
4 |
0 |
0 |
0 |
| OW |
0 |
1 |
2 |
149 |
20 |
0 |
0 |
0 |
| VODI |
0 |
47 |
11 |
182 |
200 |
21 |
2 |
0 |
| ODI |
0 |
50 |
4 |
85 |
394 |
137 |
20 |
0 |
| CDI |
0 |
117 |
16 |
155 |
1214 |
1384 |
260 |
0 |
| VCDI |
0 |
86 |
5 |
122 |
1172 |
4695 |
10568 |
10862 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
46 |
9 |
112 |
6 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
93 |
42 |
0 |
0 |
0 |
| VODI |
0 |
7 |
4 |
117 |
174 |
19 |
12 |
0 |
| ODI |
0 |
35 |
11 |
62 |
238 |
150 |
27 |
0 |
| CDI |
0 |
114 |
6 |
131 |
944 |
983 |
584 |
0 |
| VCDI |
0 |
144 |
16 |
222 |
1600 |
5085 |
10227 |
10862 |
|
Date: 2022-05-25:
| 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 |
110 |
5 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
9 |
135 |
38 |
0 |
0 |
0 |
| VODI |
0 |
12 |
10 |
172 |
169 |
14 |
2 |
0 |
| ODI |
0 |
37 |
2 |
58 |
380 |
87 |
36 |
0 |
| CDI |
0 |
108 |
9 |
205 |
1321 |
1390 |
312 |
0 |
| VCDI |
0 |
92 |
10 |
158 |
1198 |
4488 |
11563 |
9909 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
113 |
8 |
75 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
6 |
70 |
24 |
2 |
0 |
0 |
| VODI |
0 |
0 |
1 |
104 |
173 |
25 |
19 |
0 |
| ODI |
0 |
5 |
4 |
82 |
270 |
137 |
45 |
0 |
| CDI |
0 |
52 |
13 |
90 |
1118 |
1070 |
250 |
0 |
| VCDI |
0 |
192 |
13 |
325 |
1521 |
4745 |
11599 |
9909 |
|
Date: 2022-05-27:
| 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 |
180 |
11 |
46 |
1 |
0 |
0 |
0 |
| OW |
0 |
21 |
12 |
129 |
21 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
210 |
138 |
10 |
1 |
0 |
| ODI |
0 |
14 |
5 |
141 |
346 |
48 |
14 |
0 |
| CDI |
0 |
97 |
7 |
121 |
1147 |
1561 |
256 |
0 |
| VCDI |
0 |
101 |
11 |
177 |
1066 |
4662 |
11121 |
10405 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
143 |
9 |
46 |
2 |
0 |
0 |
0 |
| OW |
0 |
38 |
7 |
83 |
55 |
10 |
2 |
0 |
| VODI |
0 |
19 |
4 |
115 |
149 |
67 |
18 |
0 |
| ODI |
0 |
1 |
3 |
136 |
196 |
180 |
68 |
0 |
| CDI |
0 |
16 |
11 |
113 |
975 |
1095 |
338 |
0 |
| VCDI |
0 |
196 |
14 |
331 |
1342 |
4929 |
10966 |
10405 |
|
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