Validation of sea ice concentration - Asian sector
Bulletin date: 2020-04-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-17:
| 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 |
30 |
3 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
3 |
51 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
39 |
62 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
89 |
73 |
0 |
3 |
| CDI |
0 |
0 |
0 |
6 |
152 |
335 |
65 |
32 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
757 |
8207 |
22073 |
|
...date precedes bulletin
|
Date: 2020-04-19:
| 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 |
31 |
4 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
3 |
66 |
27 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
37 |
101 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
27 |
199 |
58 |
13 |
0 |
| CDI |
0 |
0 |
0 |
18 |
324 |
351 |
121 |
16 |
| VCDI |
0 |
0 |
0 |
8 |
168 |
1595 |
10494 |
18402 |
|
...date precedes bulletin
|
Date: 2020-04-21:
| 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 |
109 |
9 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
7 |
5 |
106 |
40 |
0 |
0 |
0 |
| VODI |
0 |
2 |
2 |
110 |
172 |
14 |
0 |
0 |
| ODI |
0 |
0 |
1 |
51 |
274 |
130 |
39 |
4 |
| CDI |
0 |
2 |
1 |
44 |
297 |
655 |
225 |
29 |
| VCDI |
0 |
0 |
0 |
11 |
109 |
1832 |
10490 |
17300 |
|
...date precedes bulletin
|
Date: 2020-04-23:
| 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 |
113 |
2 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
41 |
7 |
102 |
32 |
0 |
0 |
0 |
| VODI |
0 |
10 |
5 |
112 |
224 |
28 |
0 |
0 |
| ODI |
0 |
12 |
2 |
58 |
268 |
164 |
6 |
3 |
| CDI |
0 |
9 |
1 |
58 |
271 |
617 |
272 |
52 |
| VCDI |
0 |
0 |
0 |
28 |
155 |
1932 |
9990 |
17497 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
132 |
5 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
4 |
55 |
42 |
0 |
0 |
0 |
| VODI |
0 |
19 |
3 |
129 |
182 |
22 |
0 |
0 |
| ODI |
0 |
9 |
4 |
55 |
268 |
139 |
17 |
5 |
| CDI |
0 |
12 |
1 |
59 |
295 |
575 |
274 |
64 |
| VCDI |
0 |
0 |
0 |
30 |
163 |
2005 |
9977 |
17483 |
|
Date: 2020-04-25:
| 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 |
100 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
180 |
9 |
100 |
46 |
0 |
0 |
0 |
| VODI |
0 |
91 |
16 |
118 |
271 |
24 |
0 |
0 |
| ODI |
0 |
41 |
9 |
118 |
293 |
169 |
8 |
0 |
| CDI |
0 |
32 |
8 |
67 |
323 |
734 |
286 |
21 |
| VCDI |
0 |
16 |
3 |
54 |
314 |
2345 |
10445 |
15839 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
179 |
7 |
47 |
0 |
0 |
0 |
0 |
| OW |
0 |
76 |
6 |
66 |
38 |
0 |
0 |
0 |
| VODI |
0 |
107 |
11 |
101 |
244 |
13 |
0 |
0 |
| ODI |
0 |
43 |
11 |
115 |
281 |
153 |
15 |
0 |
| CDI |
0 |
34 |
8 |
58 |
327 |
654 |
254 |
30 |
| VCDI |
0 |
21 |
4 |
70 |
357 |
2452 |
10470 |
15830 |
|
Date: 2020-04-27:
| 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 |
157 |
4 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
137 |
18 |
139 |
17 |
0 |
0 |
0 |
| VODI |
0 |
71 |
16 |
238 |
244 |
21 |
0 |
0 |
| ODI |
0 |
26 |
4 |
63 |
476 |
137 |
17 |
0 |
| CDI |
0 |
9 |
2 |
34 |
310 |
922 |
222 |
0 |
| VCDI |
0 |
7 |
1 |
38 |
192 |
2709 |
11546 |
14299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
212 |
11 |
84 |
9 |
0 |
0 |
0 |
| OW |
0 |
44 |
9 |
47 |
38 |
0 |
0 |
0 |
| VODI |
0 |
50 |
10 |
151 |
238 |
47 |
0 |
0 |
| ODI |
0 |
51 |
6 |
104 |
259 |
206 |
74 |
0 |
| CDI |
0 |
35 |
6 |
52 |
354 |
603 |
340 |
0 |
| VCDI |
0 |
15 |
3 |
80 |
341 |
2933 |
11371 |
14299 |
|
Date: 2020-04-29:
| 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 |
137 |
3 |
33 |
3 |
0 |
0 |
0 |
| OW |
0 |
72 |
11 |
171 |
89 |
0 |
0 |
0 |
| VODI |
0 |
7 |
5 |
95 |
275 |
46 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
359 |
239 |
29 |
0 |
| CDI |
0 |
0 |
0 |
24 |
191 |
1039 |
386 |
12 |
| VCDI |
0 |
0 |
0 |
7 |
103 |
1984 |
12071 |
14658 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
187 |
10 |
102 |
15 |
0 |
0 |
0 |
| OW |
0 |
8 |
2 |
48 |
73 |
0 |
0 |
0 |
| VODI |
0 |
11 |
2 |
62 |
250 |
108 |
11 |
0 |
| ODI |
0 |
9 |
4 |
48 |
238 |
249 |
82 |
11 |
| CDI |
0 |
1 |
1 |
79 |
223 |
606 |
481 |
46 |
| VCDI |
0 |
0 |
0 |
24 |
221 |
2345 |
11912 |
14613 |
|
Date: 2020-05-01:
| 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 |
98 |
7 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
87 |
19 |
191 |
73 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
91 |
271 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
394 |
262 |
11 |
7 |
| CDI |
0 |
0 |
0 |
26 |
246 |
961 |
391 |
25 |
| VCDI |
0 |
0 |
0 |
14 |
95 |
2799 |
13109 |
12802 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
180 |
20 |
126 |
3 |
0 |
0 |
0 |
| OW |
0 |
5 |
5 |
68 |
79 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
90 |
206 |
77 |
9 |
1 |
| ODI |
0 |
0 |
0 |
42 |
259 |
298 |
67 |
8 |
| CDI |
0 |
0 |
0 |
63 |
324 |
829 |
477 |
36 |
| VCDI |
0 |
0 |
0 |
3 |
208 |
2851 |
12958 |
12789 |
|
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