Validation of sea ice concentration - Asian sector
Bulletin date: 2022-06-23
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-06-17:
| 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 |
5 |
1637 |
588 |
227 |
27 |
10 |
31 |
0 |
| OW |
0 |
195 |
301 |
437 |
156 |
34 |
21 |
0 |
| VODI |
0 |
116 |
157 |
770 |
721 |
151 |
39 |
0 |
| ODI |
0 |
76 |
143 |
506 |
894 |
477 |
119 |
0 |
| CDI |
0 |
109 |
118 |
306 |
774 |
1767 |
2028 |
0 |
| VCDI |
0 |
9 |
12 |
160 |
775 |
5069 |
10241 |
2876 |
|
...date precedes bulletin
|
Date: 2022-06-19:
| 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 |
2 |
1717 |
837 |
233 |
51 |
43 |
15 |
0 |
| OW |
0 |
245 |
355 |
553 |
251 |
88 |
7 |
0 |
| VODI |
0 |
127 |
191 |
714 |
542 |
160 |
18 |
0 |
| ODI |
0 |
124 |
106 |
534 |
750 |
423 |
92 |
0 |
| CDI |
0 |
142 |
116 |
343 |
874 |
1474 |
1939 |
0 |
| VCDI |
0 |
15 |
23 |
310 |
570 |
3631 |
10804 |
3663 |
|
...date precedes bulletin
|
Date: 2022-06-21:
| 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 |
1 |
2628 |
694 |
285 |
43 |
13 |
13 |
0 |
| OW |
0 |
139 |
310 |
583 |
168 |
21 |
35 |
0 |
| VODI |
0 |
135 |
220 |
819 |
491 |
128 |
35 |
0 |
| ODI |
0 |
80 |
64 |
341 |
667 |
694 |
88 |
0 |
| CDI |
0 |
41 |
69 |
267 |
566 |
1525 |
606 |
0 |
| VCDI |
0 |
5 |
9 |
142 |
412 |
4529 |
13665 |
1551 |
|
...date precedes bulletin
|
Date: 2022-06-23:
| 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 |
5 |
2877 |
779 |
220 |
35 |
13 |
3 |
0 |
| OW |
0 |
298 |
385 |
650 |
151 |
33 |
31 |
0 |
| VODI |
0 |
171 |
255 |
581 |
345 |
172 |
50 |
0 |
| ODI |
0 |
89 |
54 |
323 |
537 |
619 |
153 |
0 |
| CDI |
0 |
45 |
121 |
269 |
725 |
1621 |
706 |
0 |
| VCDI |
0 |
0 |
4 |
31 |
583 |
7321 |
10870 |
957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
2933 |
836 |
401 |
53 |
15 |
8 |
0 |
| OW |
0 |
264 |
341 |
491 |
135 |
45 |
27 |
0 |
| VODI |
0 |
151 |
224 |
542 |
330 |
173 |
57 |
0 |
| ODI |
0 |
78 |
67 |
337 |
557 |
573 |
202 |
0 |
| CDI |
0 |
54 |
128 |
272 |
732 |
1626 |
647 |
0 |
| VCDI |
0 |
0 |
2 |
31 |
569 |
7347 |
10872 |
957 |
|
Date: 2022-06-25:
| 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 |
5 |
3274 |
635 |
366 |
74 |
15 |
6 |
0 |
| OW |
0 |
399 |
360 |
399 |
144 |
47 |
26 |
0 |
| VODI |
0 |
186 |
241 |
472 |
265 |
209 |
95 |
0 |
| ODI |
0 |
91 |
66 |
377 |
507 |
587 |
246 |
0 |
| CDI |
0 |
55 |
141 |
319 |
922 |
2108 |
827 |
0 |
| VCDI |
0 |
0 |
2 |
33 |
260 |
5324 |
12879 |
120 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
3409 |
754 |
486 |
114 |
18 |
7 |
0 |
| OW |
0 |
265 |
270 |
316 |
104 |
63 |
21 |
0 |
| VODI |
0 |
182 |
192 |
445 |
273 |
210 |
81 |
0 |
| ODI |
0 |
85 |
76 |
356 |
505 |
587 |
271 |
0 |
| CDI |
0 |
64 |
148 |
333 |
903 |
2073 |
903 |
0 |
| VCDI |
0 |
0 |
5 |
30 |
273 |
5339 |
12796 |
120 |
|
Date: 2022-06-27:
| 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 |
164 |
3970 |
577 |
368 |
70 |
6 |
2 |
0 |
| OW |
0 |
253 |
283 |
256 |
101 |
36 |
12 |
0 |
| VODI |
0 |
84 |
245 |
632 |
336 |
111 |
17 |
0 |
| ODI |
0 |
8 |
91 |
400 |
761 |
600 |
53 |
0 |
| CDI |
0 |
5 |
64 |
250 |
990 |
3460 |
802 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
129 |
5237 |
10644 |
1044 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
164 |
3792 |
552 |
398 |
111 |
51 |
10 |
0 |
| OW |
0 |
292 |
226 |
242 |
95 |
80 |
18 |
0 |
| VODI |
0 |
150 |
195 |
441 |
309 |
250 |
74 |
0 |
| ODI |
0 |
58 |
92 |
383 |
523 |
547 |
234 |
0 |
| CDI |
0 |
28 |
195 |
424 |
1032 |
2970 |
634 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
317 |
5552 |
10560 |
1044 |
|
Date: 2022-06-29:
| 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 |
185 |
3797 |
1043 |
318 |
65 |
21 |
0 |
0 |
| OW |
0 |
178 |
302 |
369 |
87 |
56 |
2 |
0 |
| VODI |
0 |
77 |
191 |
654 |
403 |
145 |
1 |
0 |
| ODI |
0 |
40 |
74 |
334 |
857 |
462 |
30 |
0 |
| CDI |
0 |
32 |
63 |
240 |
1323 |
4417 |
1329 |
0 |
| VCDI |
0 |
0 |
12 |
30 |
160 |
5173 |
9499 |
113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
185 |
3549 |
970 |
329 |
78 |
93 |
1 |
0 |
| OW |
0 |
220 |
232 |
321 |
105 |
107 |
2 |
0 |
| VODI |
0 |
141 |
185 |
531 |
364 |
299 |
23 |
0 |
| ODI |
0 |
102 |
110 |
334 |
695 |
432 |
79 |
0 |
| CDI |
0 |
102 |
167 |
368 |
1190 |
3504 |
1351 |
0 |
| VCDI |
0 |
10 |
21 |
62 |
463 |
5839 |
9405 |
113 |
|
Date: 2022-07-01:
| 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 |
8 |
4359 |
740 |
399 |
80 |
32 |
0 |
0 |
| OW |
1 |
171 |
271 |
480 |
142 |
67 |
0 |
0 |
| VODI |
0 |
88 |
186 |
604 |
436 |
209 |
2 |
0 |
| ODI |
0 |
27 |
88 |
329 |
714 |
544 |
19 |
0 |
| CDI |
0 |
39 |
63 |
294 |
1534 |
5973 |
949 |
0 |
| VCDI |
0 |
1 |
7 |
25 |
185 |
4637 |
8379 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8 |
4106 |
615 |
392 |
113 |
116 |
0 |
0 |
| OW |
1 |
213 |
216 |
344 |
112 |
153 |
3 |
0 |
| VODI |
0 |
139 |
216 |
592 |
409 |
302 |
15 |
0 |
| ODI |
0 |
99 |
131 |
333 |
608 |
501 |
44 |
0 |
| CDI |
0 |
126 |
163 |
423 |
1326 |
5383 |
1620 |
0 |
| VCDI |
0 |
2 |
14 |
47 |
523 |
5007 |
7667 |
0 |
|
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