Validation of sea ice concentration - Asian sector
Bulletin date: 2022-06-02
Data source: OSI SAF N.H. 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 |
180 |
11 |
46 |
1 |
0 |
0 |
0 |
| OW |
0 |
21 |
12 |
129 |
21 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
210 |
138 |
10 |
1 |
0 |
| ODI |
0 |
14 |
5 |
141 |
346 |
48 |
14 |
0 |
| CDI |
0 |
97 |
7 |
121 |
1147 |
1561 |
256 |
0 |
| VCDI |
0 |
101 |
11 |
177 |
1066 |
4662 |
11121 |
10405 |
|
...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 |
272 |
7 |
49 |
1 |
0 |
0 |
0 |
| OW |
0 |
93 |
10 |
101 |
18 |
0 |
1 |
0 |
| VODI |
0 |
28 |
20 |
194 |
114 |
6 |
1 |
0 |
| ODI |
0 |
11 |
6 |
213 |
269 |
44 |
18 |
0 |
| CDI |
0 |
65 |
6 |
195 |
1054 |
1471 |
388 |
0 |
| VCDI |
0 |
126 |
18 |
211 |
885 |
4594 |
10770 |
10823 |
|
...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 |
407 |
12 |
73 |
8 |
0 |
0 |
0 |
| OW |
0 |
92 |
12 |
129 |
24 |
0 |
1 |
0 |
| VODI |
0 |
32 |
15 |
268 |
191 |
5 |
0 |
0 |
| ODI |
0 |
28 |
10 |
179 |
538 |
90 |
7 |
0 |
| CDI |
0 |
104 |
10 |
286 |
1175 |
1967 |
289 |
1 |
| VCDI |
0 |
80 |
9 |
119 |
607 |
4502 |
13249 |
7563 |
|
...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 |
392 |
11 |
53 |
13 |
0 |
0 |
0 |
| OW |
0 |
93 |
6 |
158 |
45 |
0 |
1 |
0 |
| VODI |
0 |
65 |
22 |
218 |
218 |
20 |
0 |
0 |
| ODI |
0 |
43 |
9 |
190 |
436 |
161 |
27 |
0 |
| CDI |
0 |
134 |
16 |
271 |
1401 |
1412 |
955 |
0 |
| VCDI |
0 |
116 |
18 |
196 |
1263 |
5517 |
13032 |
5570 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
407 |
12 |
62 |
16 |
0 |
0 |
0 |
| OW |
0 |
84 |
12 |
154 |
37 |
0 |
1 |
0 |
| VODI |
0 |
66 |
20 |
247 |
220 |
20 |
0 |
0 |
| ODI |
0 |
47 |
5 |
155 |
455 |
139 |
30 |
0 |
| CDI |
0 |
130 |
15 |
281 |
1366 |
1451 |
964 |
0 |
| VCDI |
0 |
109 |
18 |
187 |
1282 |
5500 |
13020 |
5570 |
|
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 |
469 |
7 |
30 |
4 |
0 |
0 |
0 |
| OW |
0 |
148 |
18 |
122 |
41 |
1 |
1 |
0 |
| VODI |
0 |
104 |
25 |
284 |
191 |
51 |
0 |
0 |
| ODI |
0 |
71 |
9 |
222 |
441 |
129 |
46 |
0 |
| CDI |
0 |
133 |
5 |
215 |
1414 |
1565 |
1029 |
0 |
| VCDI |
0 |
256 |
23 |
258 |
987 |
4886 |
9908 |
8989 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
504 |
9 |
42 |
7 |
0 |
1 |
0 |
| OW |
0 |
120 |
20 |
120 |
44 |
3 |
0 |
0 |
| VODI |
0 |
107 |
22 |
306 |
191 |
47 |
0 |
0 |
| ODI |
0 |
65 |
8 |
197 |
502 |
125 |
41 |
0 |
| CDI |
0 |
132 |
4 |
197 |
1387 |
1633 |
1091 |
0 |
| VCDI |
0 |
253 |
24 |
269 |
947 |
4824 |
9851 |
8989 |
|
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 |
2 |
593 |
8 |
37 |
4 |
0 |
0 |
0 |
| OW |
0 |
180 |
29 |
125 |
43 |
4 |
0 |
0 |
| VODI |
0 |
91 |
21 |
415 |
229 |
28 |
1 |
0 |
| ODI |
0 |
75 |
8 |
214 |
856 |
188 |
9 |
0 |
| CDI |
0 |
314 |
24 |
275 |
1629 |
2776 |
699 |
0 |
| VCDI |
0 |
142 |
21 |
254 |
571 |
5405 |
12198 |
4614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
537 |
10 |
48 |
12 |
0 |
0 |
0 |
| OW |
0 |
150 |
15 |
110 |
67 |
7 |
1 |
0 |
| VODI |
0 |
116 |
25 |
247 |
240 |
43 |
3 |
0 |
| ODI |
0 |
76 |
3 |
208 |
524 |
221 |
20 |
0 |
| CDI |
0 |
246 |
25 |
320 |
1455 |
2097 |
841 |
0 |
| VCDI |
0 |
270 |
33 |
387 |
1034 |
6033 |
12042 |
4614 |
|
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 |
5 |
727 |
6 |
45 |
0 |
0 |
0 |
0 |
| OW |
0 |
197 |
26 |
208 |
42 |
8 |
1 |
0 |
| VODI |
0 |
114 |
20 |
396 |
265 |
20 |
2 |
0 |
| ODI |
0 |
127 |
14 |
316 |
889 |
172 |
6 |
0 |
| CDI |
0 |
396 |
34 |
287 |
2193 |
2386 |
716 |
0 |
| VCDI |
0 |
158 |
27 |
579 |
415 |
2463 |
12851 |
5971 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
609 |
7 |
39 |
7 |
0 |
1 |
0 |
| OW |
0 |
187 |
15 |
118 |
43 |
13 |
0 |
0 |
| VODI |
0 |
185 |
21 |
268 |
234 |
53 |
4 |
0 |
| ODI |
0 |
167 |
11 |
301 |
599 |
200 |
29 |
0 |
| CDI |
0 |
345 |
35 |
584 |
2312 |
1893 |
651 |
0 |
| VCDI |
0 |
226 |
38 |
521 |
609 |
2890 |
12891 |
5971 |
|
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 |
11 |
947 |
11 |
53 |
1 |
0 |
0 |
0 |
| OW |
0 |
238 |
34 |
280 |
28 |
12 |
1 |
0 |
| VODI |
0 |
263 |
29 |
325 |
329 |
29 |
0 |
0 |
| ODI |
0 |
249 |
12 |
329 |
945 |
252 |
2 |
0 |
| CDI |
0 |
413 |
36 |
437 |
2368 |
2071 |
774 |
0 |
| VCDI |
0 |
121 |
22 |
490 |
561 |
5578 |
10621 |
4210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11 |
712 |
9 |
60 |
2 |
0 |
1 |
0 |
| OW |
0 |
253 |
24 |
139 |
24 |
12 |
0 |
0 |
| VODI |
0 |
285 |
20 |
297 |
287 |
49 |
1 |
0 |
| ODI |
0 |
310 |
21 |
294 |
841 |
212 |
5 |
0 |
| CDI |
0 |
386 |
38 |
559 |
2439 |
1802 |
487 |
0 |
| VCDI |
0 |
285 |
32 |
565 |
639 |
5867 |
10904 |
4210 |
|
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