Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-26:
| 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 |
713 |
75 |
260 |
12 |
0 |
0 |
0 |
| OW |
0 |
19 |
20 |
138 |
0 |
4 |
0 |
0 |
| VODI |
0 |
11 |
9 |
149 |
92 |
12 |
0 |
0 |
| ODI |
0 |
6 |
8 |
100 |
272 |
74 |
3 |
0 |
| CDI |
0 |
20 |
24 |
188 |
752 |
999 |
107 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
693 |
6391 |
15641 |
5226 |
|
...date precedes bulletin
|
Date: 2023-05-28:
| 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 |
5 |
881 |
126 |
187 |
7 |
1 |
0 |
0 |
| OW |
0 |
32 |
20 |
152 |
6 |
8 |
0 |
0 |
| VODI |
0 |
28 |
21 |
162 |
99 |
32 |
1 |
0 |
| ODI |
0 |
25 |
21 |
109 |
301 |
124 |
45 |
0 |
| CDI |
0 |
28 |
26 |
195 |
781 |
1085 |
232 |
1 |
| VCDI |
0 |
1 |
8 |
115 |
792 |
6555 |
15940 |
3930 |
|
...date precedes bulletin
|
Date: 2023-05-30:
| 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 |
6 |
1060 |
105 |
191 |
3 |
0 |
0 |
0 |
| OW |
0 |
36 |
56 |
206 |
20 |
3 |
0 |
0 |
| VODI |
0 |
27 |
35 |
211 |
152 |
31 |
4 |
0 |
| ODI |
0 |
9 |
14 |
164 |
355 |
98 |
46 |
0 |
| CDI |
0 |
6 |
7 |
130 |
776 |
1157 |
469 |
4 |
| VCDI |
0 |
0 |
0 |
88 |
503 |
3634 |
18118 |
4358 |
|
...date precedes bulletin
|
Date: 2023-06-01:
| 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 |
36 |
1280 |
108 |
168 |
7 |
0 |
0 |
0 |
| OW |
0 |
85 |
35 |
170 |
27 |
4 |
0 |
0 |
| VODI |
0 |
76 |
49 |
219 |
155 |
19 |
18 |
0 |
| ODI |
0 |
17 |
19 |
216 |
294 |
120 |
68 |
3 |
| CDI |
0 |
11 |
12 |
192 |
736 |
1527 |
422 |
2 |
| VCDI |
0 |
0 |
2 |
146 |
565 |
5583 |
17795 |
1896 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36 |
1283 |
114 |
196 |
8 |
0 |
0 |
0 |
| OW |
0 |
80 |
27 |
150 |
28 |
5 |
0 |
0 |
| VODI |
0 |
78 |
49 |
200 |
155 |
16 |
19 |
0 |
| ODI |
0 |
17 |
20 |
217 |
283 |
98 |
67 |
3 |
| CDI |
0 |
11 |
13 |
199 |
727 |
1552 |
443 |
2 |
| VCDI |
0 |
0 |
2 |
149 |
583 |
5582 |
17774 |
1896 |
|
Date: 2023-06-03:
| 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 |
30 |
1352 |
113 |
161 |
0 |
0 |
0 |
0 |
| OW |
0 |
98 |
28 |
171 |
23 |
0 |
1 |
0 |
| VODI |
0 |
96 |
43 |
218 |
193 |
21 |
21 |
0 |
| ODI |
0 |
26 |
26 |
208 |
301 |
196 |
70 |
1 |
| CDI |
0 |
10 |
17 |
252 |
756 |
1454 |
1001 |
8 |
| VCDI |
0 |
0 |
1 |
154 |
460 |
3198 |
15818 |
5556 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
30 |
1348 |
113 |
192 |
2 |
0 |
0 |
0 |
| OW |
0 |
93 |
25 |
147 |
28 |
0 |
2 |
0 |
| VODI |
0 |
97 |
47 |
198 |
184 |
23 |
23 |
0 |
| ODI |
0 |
31 |
24 |
206 |
289 |
183 |
77 |
1 |
| CDI |
0 |
13 |
18 |
272 |
747 |
1440 |
990 |
8 |
| VCDI |
0 |
0 |
1 |
149 |
483 |
3223 |
15819 |
5556 |
|
Date: 2023-06-05:
| 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 |
37 |
1518 |
125 |
163 |
0 |
0 |
0 |
0 |
| OW |
0 |
57 |
85 |
268 |
13 |
0 |
0 |
0 |
| VODI |
0 |
8 |
17 |
430 |
194 |
7 |
0 |
0 |
| ODI |
0 |
2 |
6 |
181 |
679 |
134 |
18 |
0 |
| CDI |
0 |
0 |
7 |
214 |
907 |
1776 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
118 |
2091 |
15289 |
7478 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
37 |
1360 |
109 |
206 |
14 |
0 |
0 |
0 |
| OW |
0 |
103 |
22 |
155 |
44 |
0 |
0 |
0 |
| VODI |
0 |
87 |
56 |
210 |
252 |
31 |
16 |
0 |
| ODI |
0 |
24 |
25 |
228 |
320 |
178 |
103 |
1 |
| CDI |
0 |
11 |
27 |
339 |
894 |
1313 |
890 |
0 |
| VCDI |
0 |
0 |
1 |
121 |
387 |
2486 |
14555 |
7477 |
|
Date: 2023-06-07:
| 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 |
50 |
1797 |
153 |
112 |
0 |
0 |
0 |
0 |
| OW |
0 |
57 |
85 |
256 |
20 |
0 |
0 |
0 |
| VODI |
0 |
24 |
39 |
351 |
210 |
11 |
0 |
0 |
| ODI |
0 |
11 |
21 |
272 |
597 |
99 |
1 |
0 |
| CDI |
0 |
0 |
5 |
292 |
1022 |
1628 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
312 |
4270 |
15963 |
4167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
50 |
1493 |
91 |
150 |
4 |
0 |
0 |
0 |
| OW |
0 |
151 |
29 |
130 |
75 |
4 |
0 |
0 |
| VODI |
0 |
157 |
67 |
173 |
266 |
58 |
0 |
0 |
| ODI |
0 |
58 |
63 |
208 |
289 |
183 |
47 |
0 |
| CDI |
0 |
30 |
43 |
472 |
1027 |
1448 |
859 |
0 |
| VCDI |
0 |
0 |
10 |
177 |
500 |
4315 |
15288 |
4167 |
|
Date: 2023-06-09:
| 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 |
247 |
1691 |
152 |
151 |
3 |
0 |
0 |
0 |
| OW |
0 |
57 |
63 |
310 |
50 |
2 |
0 |
0 |
| VODI |
0 |
57 |
40 |
343 |
273 |
26 |
0 |
0 |
| ODI |
0 |
16 |
19 |
235 |
565 |
175 |
26 |
0 |
| CDI |
0 |
1 |
8 |
287 |
1040 |
1803 |
427 |
1 |
| VCDI |
0 |
0 |
0 |
49 |
518 |
2983 |
17285 |
3179 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
247 |
1357 |
94 |
181 |
25 |
0 |
0 |
0 |
| OW |
0 |
138 |
19 |
140 |
96 |
1 |
0 |
0 |
| VODI |
0 |
186 |
44 |
152 |
274 |
58 |
0 |
0 |
| ODI |
0 |
82 |
61 |
217 |
331 |
173 |
26 |
0 |
| CDI |
0 |
45 |
56 |
479 |
1021 |
1740 |
1065 |
0 |
| VCDI |
0 |
14 |
8 |
206 |
702 |
3017 |
16647 |
3180 |
|
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