Validation of sea ice concentration - Asian sector
Bulletin date: 2022-06-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
90 |
77 |
68 |
3 |
0 |
0 |
0 |
| OW |
0 |
22 |
34 |
107 |
19 |
1 |
0 |
0 |
| VODI |
0 |
39 |
55 |
162 |
90 |
13 |
2 |
0 |
| ODI |
0 |
27 |
53 |
181 |
217 |
68 |
22 |
0 |
| CDI |
0 |
74 |
70 |
239 |
828 |
1449 |
529 |
0 |
| VCDI |
0 |
119 |
116 |
346 |
919 |
4610 |
17168 |
4265 |
|
...date precedes bulletin
|
Date: 2022-05-29:
| 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 |
132 |
112 |
80 |
5 |
0 |
0 |
0 |
| OW |
0 |
64 |
73 |
70 |
12 |
3 |
1 |
0 |
| VODI |
0 |
40 |
72 |
154 |
81 |
14 |
2 |
0 |
| ODI |
0 |
30 |
47 |
189 |
180 |
88 |
27 |
0 |
| CDI |
0 |
50 |
67 |
320 |
784 |
1271 |
687 |
0 |
| VCDI |
0 |
128 |
113 |
327 |
899 |
4306 |
15304 |
6350 |
|
...date precedes bulletin
|
Date: 2022-05-31:
| 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 |
307 |
141 |
48 |
4 |
0 |
0 |
0 |
| OW |
0 |
75 |
74 |
95 |
9 |
3 |
2 |
0 |
| VODI |
0 |
42 |
97 |
240 |
113 |
17 |
2 |
0 |
| ODI |
0 |
18 |
43 |
247 |
309 |
192 |
43 |
0 |
| CDI |
0 |
77 |
95 |
406 |
868 |
1832 |
554 |
0 |
| VCDI |
0 |
90 |
74 |
180 |
697 |
4557 |
16073 |
4458 |
|
...date precedes bulletin
|
Date: 2022-06-02:
| 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 |
0 |
321 |
112 |
35 |
1 |
0 |
0 |
0 |
| OW |
0 |
90 |
92 |
94 |
20 |
5 |
2 |
0 |
| VODI |
0 |
57 |
105 |
211 |
113 |
39 |
18 |
0 |
| ODI |
0 |
22 |
96 |
231 |
242 |
155 |
120 |
0 |
| CDI |
0 |
81 |
101 |
457 |
1034 |
1366 |
1150 |
0 |
| VCDI |
0 |
128 |
123 |
287 |
1204 |
5672 |
16901 |
1397 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
342 |
110 |
42 |
1 |
2 |
0 |
0 |
| OW |
0 |
75 |
102 |
84 |
22 |
3 |
2 |
0 |
| VODI |
0 |
54 |
113 |
243 |
118 |
30 |
15 |
0 |
| ODI |
0 |
22 |
78 |
215 |
241 |
149 |
126 |
0 |
| CDI |
0 |
79 |
115 |
464 |
1002 |
1394 |
1153 |
0 |
| VCDI |
0 |
127 |
111 |
267 |
1230 |
5659 |
16895 |
1397 |
|
Date: 2022-06-04:
| 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 |
0 |
408 |
98 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
133 |
116 |
49 |
20 |
8 |
5 |
0 |
| VODI |
0 |
58 |
187 |
213 |
120 |
41 |
36 |
0 |
| ODI |
0 |
9 |
118 |
268 |
227 |
168 |
128 |
0 |
| CDI |
0 |
17 |
183 |
436 |
936 |
1450 |
1339 |
0 |
| VCDI |
0 |
103 |
285 |
366 |
802 |
5397 |
16896 |
1458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
443 |
109 |
8 |
0 |
1 |
2 |
0 |
| OW |
0 |
99 |
110 |
58 |
28 |
7 |
5 |
0 |
| VODI |
0 |
56 |
201 |
229 |
110 |
42 |
35 |
0 |
| ODI |
0 |
8 |
105 |
253 |
272 |
178 |
122 |
0 |
| CDI |
0 |
20 |
173 |
438 |
924 |
1468 |
1421 |
0 |
| VCDI |
0 |
102 |
289 |
350 |
771 |
5368 |
16819 |
1458 |
|
Date: 2022-06-06:
| 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 |
0 |
573 |
53 |
16 |
2 |
0 |
0 |
0 |
| OW |
0 |
140 |
127 |
77 |
19 |
10 |
8 |
0 |
| VODI |
0 |
79 |
166 |
341 |
152 |
34 |
13 |
0 |
| ODI |
0 |
34 |
94 |
365 |
425 |
340 |
92 |
0 |
| CDI |
0 |
148 |
185 |
490 |
1245 |
2254 |
1395 |
0 |
| VCDI |
0 |
144 |
90 |
281 |
517 |
6130 |
15486 |
557 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
545 |
43 |
16 |
4 |
0 |
1 |
0 |
| OW |
0 |
129 |
97 |
67 |
35 |
14 |
8 |
0 |
| VODI |
0 |
84 |
152 |
225 |
112 |
71 |
30 |
0 |
| ODI |
0 |
34 |
83 |
256 |
274 |
278 |
127 |
0 |
| CDI |
0 |
132 |
180 |
511 |
1059 |
1696 |
1406 |
0 |
| VCDI |
0 |
194 |
160 |
495 |
876 |
6709 |
15422 |
557 |
|
Date: 2022-06-08:
| 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 |
0 |
673 |
78 |
26 |
6 |
0 |
0 |
0 |
| OW |
0 |
165 |
122 |
149 |
26 |
10 |
10 |
0 |
| VODI |
0 |
89 |
130 |
365 |
166 |
57 |
10 |
0 |
| ODI |
0 |
87 |
110 |
443 |
487 |
320 |
77 |
0 |
| CDI |
0 |
324 |
165 |
494 |
1409 |
2403 |
1217 |
0 |
| VCDI |
0 |
180 |
109 |
603 |
313 |
2918 |
17223 |
1118 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
560 |
69 |
31 |
7 |
0 |
1 |
0 |
| OW |
0 |
181 |
66 |
75 |
30 |
13 |
11 |
0 |
| VODI |
0 |
151 |
135 |
237 |
134 |
74 |
34 |
0 |
| ODI |
0 |
120 |
98 |
328 |
320 |
326 |
115 |
0 |
| CDI |
0 |
268 |
198 |
851 |
1515 |
1957 |
1031 |
0 |
| VCDI |
0 |
238 |
148 |
558 |
401 |
3338 |
17345 |
1118 |
|
Date: 2022-06-10:
| 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 |
7 |
820 |
121 |
58 |
17 |
0 |
0 |
0 |
| OW |
0 |
188 |
134 |
230 |
27 |
3 |
11 |
0 |
| VODI |
0 |
171 |
145 |
363 |
201 |
82 |
13 |
0 |
| ODI |
0 |
187 |
111 |
393 |
546 |
454 |
98 |
0 |
| CDI |
0 |
351 |
162 |
571 |
1812 |
1951 |
1252 |
0 |
| VCDI |
0 |
133 |
108 |
423 |
465 |
5648 |
13396 |
1430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7 |
630 |
108 |
48 |
1 |
0 |
1 |
0 |
| OW |
0 |
210 |
103 |
110 |
16 |
3 |
10 |
0 |
| VODI |
0 |
207 |
109 |
321 |
187 |
103 |
12 |
0 |
| ODI |
0 |
220 |
127 |
330 |
504 |
415 |
87 |
0 |
| CDI |
0 |
318 |
157 |
759 |
1821 |
1771 |
885 |
0 |
| VCDI |
0 |
265 |
177 |
470 |
539 |
5846 |
13775 |
1430 |
|
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