Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-02:
| 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 |
56 |
1426 |
58 |
94 |
8 |
0 |
0 |
0 |
| OW |
0 |
182 |
59 |
51 |
21 |
0 |
0 |
0 |
| VODI |
0 |
194 |
76 |
159 |
87 |
32 |
24 |
0 |
| ODI |
0 |
113 |
51 |
143 |
178 |
230 |
90 |
1 |
| CDI |
0 |
101 |
69 |
200 |
530 |
1544 |
748 |
0 |
| VCDI |
0 |
89 |
58 |
201 |
313 |
5292 |
18936 |
668 |
|
...date precedes bulletin
|
Date: 2023-06-04:
| 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 |
53 |
1451 |
65 |
111 |
5 |
0 |
0 |
0 |
| OW |
0 |
182 |
66 |
72 |
7 |
0 |
0 |
0 |
| VODI |
0 |
172 |
79 |
166 |
127 |
34 |
14 |
0 |
| ODI |
0 |
121 |
48 |
154 |
188 |
245 |
136 |
0 |
| CDI |
0 |
127 |
93 |
217 |
461 |
1120 |
1529 |
0 |
| VCDI |
0 |
76 |
75 |
156 |
293 |
3401 |
20386 |
652 |
|
...date precedes bulletin
|
Date: 2023-06-06:
| 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 |
56 |
1791 |
75 |
67 |
0 |
0 |
0 |
0 |
| OW |
0 |
263 |
85 |
74 |
8 |
0 |
0 |
0 |
| VODI |
0 |
163 |
96 |
224 |
107 |
37 |
6 |
0 |
| ODI |
0 |
102 |
66 |
213 |
306 |
276 |
12 |
0 |
| CDI |
0 |
119 |
90 |
304 |
652 |
1414 |
495 |
0 |
| VCDI |
0 |
13 |
13 |
44 |
171 |
4143 |
20159 |
438 |
|
...date precedes bulletin
|
Date: 2023-06-08:
| 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 |
202 |
1817 |
100 |
80 |
1 |
0 |
0 |
0 |
| OW |
0 |
224 |
94 |
89 |
29 |
3 |
0 |
0 |
| VODI |
0 |
175 |
67 |
178 |
163 |
70 |
6 |
0 |
| ODI |
0 |
118 |
58 |
216 |
335 |
256 |
22 |
0 |
| CDI |
0 |
140 |
88 |
287 |
599 |
1714 |
591 |
0 |
| VCDI |
0 |
18 |
27 |
67 |
387 |
4266 |
18997 |
598 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
202 |
1845 |
118 |
89 |
8 |
0 |
0 |
0 |
| OW |
0 |
195 |
79 |
69 |
20 |
8 |
0 |
0 |
| VODI |
0 |
170 |
62 |
170 |
135 |
62 |
7 |
0 |
| ODI |
0 |
116 |
51 |
216 |
309 |
237 |
22 |
0 |
| CDI |
0 |
144 |
95 |
301 |
649 |
1679 |
507 |
0 |
| VCDI |
0 |
22 |
29 |
72 |
393 |
4323 |
19080 |
598 |
|
Date: 2023-06-10:
| 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 |
202 |
1851 |
106 |
77 |
3 |
0 |
0 |
0 |
| OW |
0 |
223 |
99 |
141 |
48 |
19 |
0 |
0 |
| VODI |
0 |
209 |
76 |
186 |
243 |
75 |
18 |
0 |
| ODI |
0 |
139 |
51 |
178 |
313 |
309 |
49 |
0 |
| CDI |
0 |
116 |
75 |
311 |
989 |
1641 |
700 |
1 |
| VCDI |
0 |
32 |
23 |
139 |
778 |
5479 |
16453 |
730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
202 |
1886 |
121 |
89 |
12 |
0 |
0 |
0 |
| OW |
0 |
177 |
78 |
111 |
44 |
16 |
0 |
0 |
| VODI |
0 |
218 |
80 |
184 |
197 |
68 |
15 |
0 |
| ODI |
0 |
124 |
46 |
184 |
296 |
292 |
42 |
0 |
| CDI |
0 |
132 |
81 |
339 |
1069 |
1561 |
695 |
1 |
| VCDI |
0 |
33 |
24 |
125 |
756 |
5586 |
16468 |
730 |
|
Date: 2023-06-12:
| 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 |
281 |
1787 |
96 |
68 |
10 |
0 |
0 |
0 |
| OW |
0 |
306 |
104 |
114 |
36 |
6 |
0 |
0 |
| VODI |
0 |
162 |
143 |
270 |
222 |
47 |
4 |
0 |
| ODI |
0 |
59 |
59 |
260 |
535 |
346 |
46 |
0 |
| CDI |
0 |
48 |
29 |
227 |
1091 |
3286 |
948 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
202 |
5848 |
15330 |
109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
281 |
1738 |
120 |
115 |
74 |
17 |
2 |
0 |
| OW |
0 |
203 |
54 |
119 |
82 |
24 |
9 |
0 |
| VODI |
0 |
179 |
87 |
156 |
163 |
141 |
33 |
0 |
| ODI |
0 |
93 |
71 |
167 |
253 |
295 |
107 |
0 |
| CDI |
0 |
121 |
84 |
296 |
819 |
2076 |
1406 |
9 |
| VCDI |
0 |
28 |
15 |
89 |
705 |
6980 |
14771 |
100 |
|
Date: 2023-06-14:
| 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 |
443 |
1951 |
61 |
36 |
4 |
0 |
0 |
0 |
| OW |
0 |
353 |
102 |
135 |
65 |
5 |
0 |
0 |
| VODI |
0 |
171 |
126 |
276 |
206 |
56 |
6 |
0 |
| ODI |
0 |
75 |
52 |
197 |
441 |
369 |
57 |
0 |
| CDI |
0 |
66 |
55 |
244 |
616 |
3186 |
1853 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
4364 |
15226 |
1214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
443 |
1858 |
86 |
110 |
67 |
14 |
0 |
0 |
| OW |
0 |
242 |
39 |
104 |
82 |
13 |
0 |
0 |
| VODI |
0 |
243 |
87 |
119 |
229 |
100 |
12 |
0 |
| ODI |
0 |
128 |
90 |
192 |
252 |
305 |
77 |
0 |
| CDI |
0 |
130 |
79 |
308 |
530 |
2027 |
2957 |
0 |
| VCDI |
0 |
15 |
15 |
55 |
243 |
5521 |
14096 |
1214 |
|
Date: 2023-06-16:
| 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 |
418 |
1998 |
68 |
53 |
11 |
0 |
0 |
0 |
| OW |
0 |
380 |
94 |
123 |
98 |
6 |
0 |
0 |
| VODI |
0 |
233 |
101 |
274 |
251 |
38 |
1 |
0 |
| ODI |
0 |
150 |
76 |
190 |
542 |
408 |
41 |
0 |
| CDI |
0 |
52 |
73 |
287 |
1155 |
3732 |
1662 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
208 |
3498 |
15012 |
828 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
418 |
1863 |
90 |
138 |
72 |
7 |
0 |
0 |
| OW |
0 |
280 |
41 |
88 |
137 |
37 |
2 |
0 |
| VODI |
0 |
286 |
80 |
121 |
200 |
120 |
4 |
0 |
| ODI |
0 |
196 |
90 |
230 |
340 |
223 |
42 |
0 |
| CDI |
0 |
188 |
110 |
333 |
889 |
3611 |
3364 |
0 |
| VCDI |
0 |
0 |
1 |
38 |
627 |
3684 |
13304 |
828 |
|
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