Validation of sea ice concentration - Asian sector
Bulletin date: 2021-05-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-07:
| 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 |
103 |
4 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
120 |
7 |
34 |
11 |
0 |
0 |
0 |
| VODI |
0 |
32 |
6 |
88 |
78 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
77 |
149 |
50 |
3 |
0 |
| CDI |
0 |
0 |
0 |
40 |
358 |
321 |
172 |
5 |
| VCDI |
0 |
0 |
0 |
18 |
288 |
2019 |
8679 |
19403 |
|
...date precedes bulletin
|
Date: 2021-05-09:
| 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 |
155 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
131 |
0 |
54 |
16 |
0 |
0 |
0 |
| VODI |
0 |
48 |
7 |
100 |
53 |
16 |
0 |
0 |
| ODI |
0 |
17 |
3 |
73 |
151 |
28 |
1 |
0 |
| CDI |
0 |
6 |
5 |
71 |
400 |
238 |
274 |
10 |
| VCDI |
0 |
0 |
0 |
40 |
460 |
1919 |
9135 |
18669 |
|
...date precedes bulletin
|
Date: 2021-05-11:
| 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 |
385 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
1 |
78 |
35 |
0 |
0 |
0 |
| VODI |
0 |
41 |
4 |
113 |
157 |
3 |
0 |
0 |
| ODI |
0 |
17 |
3 |
75 |
238 |
39 |
4 |
0 |
| CDI |
0 |
16 |
5 |
52 |
613 |
324 |
64 |
4 |
| VCDI |
0 |
0 |
0 |
29 |
438 |
3234 |
9582 |
16491 |
|
...date precedes bulletin
|
Date: 2021-05-13:
| 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 |
302 |
0 |
21 |
11 |
0 |
0 |
0 |
| OW |
0 |
35 |
4 |
41 |
75 |
3 |
0 |
0 |
| VODI |
0 |
34 |
4 |
71 |
220 |
22 |
0 |
0 |
| ODI |
0 |
16 |
4 |
59 |
350 |
113 |
17 |
0 |
| CDI |
0 |
13 |
3 |
118 |
496 |
541 |
178 |
3 |
| VCDI |
0 |
4 |
2 |
98 |
665 |
4093 |
9051 |
15415 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
310 |
0 |
43 |
12 |
1 |
0 |
0 |
| OW |
0 |
29 |
5 |
34 |
62 |
3 |
0 |
0 |
| VODI |
0 |
34 |
4 |
66 |
211 |
24 |
0 |
0 |
| ODI |
0 |
20 |
4 |
50 |
397 |
121 |
17 |
0 |
| CDI |
0 |
7 |
2 |
113 |
527 |
571 |
191 |
5 |
| VCDI |
0 |
4 |
2 |
102 |
608 |
4052 |
9038 |
15413 |
|
Date: 2021-05-15:
| 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 |
212 |
5 |
41 |
5 |
0 |
0 |
0 |
| OW |
0 |
5 |
3 |
55 |
107 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
115 |
268 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
116 |
253 |
128 |
20 |
0 |
| CDI |
0 |
0 |
0 |
210 |
444 |
539 |
440 |
12 |
| VCDI |
0 |
0 |
0 |
64 |
908 |
4030 |
10051 |
14018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
212 |
6 |
39 |
15 |
0 |
0 |
0 |
| OW |
0 |
5 |
2 |
66 |
81 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
115 |
276 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
98 |
286 |
109 |
19 |
0 |
| CDI |
0 |
0 |
0 |
205 |
433 |
560 |
520 |
13 |
| VCDI |
0 |
0 |
0 |
78 |
894 |
4032 |
9972 |
14017 |
|
Date: 2021-05-17:
| 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 |
140 |
5 |
79 |
10 |
0 |
0 |
0 |
| OW |
0 |
9 |
2 |
108 |
54 |
0 |
0 |
0 |
| VODI |
0 |
1 |
2 |
192 |
261 |
7 |
0 |
0 |
| ODI |
0 |
1 |
1 |
72 |
461 |
70 |
16 |
0 |
| CDI |
0 |
11 |
4 |
132 |
863 |
770 |
177 |
60 |
| VCDI |
0 |
0 |
0 |
37 |
549 |
3856 |
11162 |
12970 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
139 |
4 |
79 |
31 |
0 |
0 |
0 |
| OW |
0 |
3 |
2 |
81 |
159 |
3 |
0 |
0 |
| VODI |
0 |
7 |
2 |
112 |
250 |
31 |
0 |
0 |
| ODI |
0 |
1 |
1 |
92 |
198 |
128 |
29 |
19 |
| CDI |
0 |
12 |
5 |
153 |
467 |
410 |
968 |
99 |
| VCDI |
0 |
0 |
0 |
103 |
1093 |
4131 |
10358 |
12912 |
|
Date: 2021-05-19:
| 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 |
158 |
2 |
135 |
2 |
0 |
0 |
0 |
| OW |
0 |
7 |
2 |
186 |
55 |
0 |
0 |
0 |
| VODI |
0 |
0 |
3 |
123 |
231 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
60 |
406 |
61 |
29 |
22 |
| CDI |
0 |
0 |
0 |
228 |
781 |
853 |
385 |
52 |
| VCDI |
0 |
14 |
7 |
99 |
547 |
3285 |
10722 |
13616 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
142 |
1 |
101 |
21 |
0 |
0 |
0 |
| OW |
0 |
14 |
1 |
144 |
130 |
3 |
0 |
0 |
| VODI |
0 |
9 |
2 |
109 |
200 |
40 |
11 |
9 |
| ODI |
0 |
0 |
3 |
93 |
223 |
127 |
45 |
36 |
| CDI |
0 |
0 |
0 |
134 |
512 |
529 |
1172 |
66 |
| VCDI |
0 |
14 |
7 |
250 |
936 |
3511 |
9908 |
13579 |
|
Date: 2021-05-21:
| 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 |
222 |
4 |
94 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
3 |
178 |
39 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
193 |
226 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
104 |
420 |
31 |
23 |
9 |
| CDI |
0 |
0 |
0 |
217 |
964 |
823 |
270 |
53 |
| VCDI |
0 |
20 |
7 |
121 |
668 |
3972 |
10822 |
12580 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
183 |
2 |
104 |
26 |
0 |
0 |
0 |
| OW |
0 |
23 |
2 |
92 |
106 |
0 |
0 |
0 |
| VODI |
0 |
23 |
2 |
143 |
201 |
31 |
29 |
24 |
| ODI |
0 |
8 |
2 |
136 |
236 |
131 |
80 |
37 |
| CDI |
0 |
0 |
0 |
120 |
675 |
1044 |
694 |
64 |
| VCDI |
0 |
20 |
7 |
312 |
1073 |
3623 |
10312 |
12517 |
|
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