Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-14:
| 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 |
109233 |
21311 |
1108 |
909 |
300 |
64 |
0 |
0 |
| OW |
57 |
1069 |
562 |
1011 |
772 |
119 |
0 |
0 |
| VODI |
23 |
239 |
156 |
735 |
1353 |
957 |
20 |
0 |
| ODI |
0 |
65 |
63 |
144 |
767 |
1271 |
174 |
0 |
| CDI |
0 |
44 |
43 |
113 |
425 |
1945 |
570 |
0 |
| VCDI |
0 |
14 |
33 |
93 |
282 |
5728 |
28123 |
7153 |
|
...date precedes bulletin
|
Date: 2022-10-16:
| 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 |
105206 |
22837 |
1729 |
816 |
296 |
96 |
3 |
0 |
| OW |
25 |
1280 |
690 |
1211 |
718 |
128 |
2 |
0 |
| VODI |
21 |
270 |
229 |
847 |
1386 |
694 |
22 |
0 |
| ODI |
6 |
72 |
58 |
147 |
721 |
1459 |
170 |
0 |
| CDI |
0 |
20 |
57 |
106 |
411 |
2034 |
483 |
0 |
| VCDI |
0 |
9 |
12 |
81 |
328 |
5765 |
30495 |
6108 |
|
...date precedes bulletin
|
Date: 2022-10-18:
| 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 |
105223 |
21387 |
1626 |
947 |
433 |
51 |
0 |
0 |
| OW |
4 |
929 |
538 |
891 |
403 |
38 |
0 |
0 |
| VODI |
0 |
199 |
238 |
923 |
1216 |
252 |
1 |
0 |
| ODI |
0 |
59 |
42 |
270 |
1381 |
883 |
16 |
0 |
| CDI |
0 |
13 |
35 |
108 |
716 |
3182 |
437 |
0 |
| VCDI |
0 |
0 |
20 |
55 |
208 |
6628 |
27917 |
9779 |
|
...date precedes bulletin
|
Date: 2022-10-20:
| 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 |
100934 |
24037 |
1257 |
1000 |
360 |
38 |
1 |
0 |
| OW |
2 |
1346 |
623 |
927 |
411 |
32 |
0 |
0 |
| VODI |
0 |
442 |
374 |
1039 |
1233 |
168 |
0 |
0 |
| ODI |
0 |
88 |
96 |
541 |
1237 |
643 |
11 |
0 |
| CDI |
0 |
34 |
50 |
329 |
948 |
1701 |
193 |
6 |
| VCDI |
0 |
3 |
23 |
123 |
634 |
8224 |
25163 |
12777 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
100917 |
24442 |
1370 |
1077 |
410 |
42 |
1 |
0 |
| OW |
19 |
1023 |
495 |
805 |
357 |
11 |
0 |
0 |
| VODI |
0 |
375 |
392 |
1109 |
1255 |
194 |
3 |
0 |
| ODI |
0 |
91 |
102 |
592 |
1291 |
649 |
16 |
0 |
| CDI |
0 |
15 |
45 |
263 |
861 |
1750 |
221 |
5 |
| VCDI |
0 |
4 |
19 |
113 |
649 |
8160 |
25127 |
12778 |
|
Date: 2022-10-22:
| 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 |
102134 |
20029 |
1895 |
1042 |
432 |
81 |
0 |
0 |
| OW |
19 |
1301 |
632 |
1145 |
853 |
77 |
6 |
0 |
| VODI |
0 |
436 |
420 |
836 |
1327 |
426 |
13 |
0 |
| ODI |
0 |
36 |
111 |
514 |
1070 |
893 |
72 |
0 |
| CDI |
0 |
12 |
50 |
305 |
733 |
1761 |
332 |
0 |
| VCDI |
0 |
2 |
22 |
141 |
621 |
5688 |
24065 |
17516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102129 |
20183 |
1978 |
1218 |
598 |
111 |
2 |
0 |
| OW |
24 |
1222 |
558 |
957 |
696 |
81 |
6 |
0 |
| VODI |
0 |
374 |
430 |
915 |
1356 |
414 |
16 |
0 |
| ODI |
0 |
23 |
91 |
512 |
1074 |
946 |
74 |
0 |
| CDI |
0 |
12 |
54 |
238 |
669 |
1779 |
340 |
0 |
| VCDI |
0 |
2 |
19 |
143 |
643 |
5595 |
24050 |
17516 |
|
Date: 2022-10-24:
| 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 |
101666 |
20140 |
1656 |
982 |
368 |
65 |
0 |
0 |
| OW |
19 |
884 |
572 |
1021 |
307 |
69 |
0 |
0 |
| VODI |
0 |
188 |
284 |
1179 |
1219 |
213 |
1 |
0 |
| ODI |
0 |
11 |
45 |
290 |
1950 |
988 |
8 |
0 |
| CDI |
0 |
1 |
22 |
153 |
539 |
3515 |
384 |
0 |
| VCDI |
0 |
0 |
2 |
72 |
392 |
4498 |
22498 |
20847 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101635 |
19697 |
1461 |
1078 |
587 |
205 |
1 |
0 |
| OW |
50 |
1085 |
600 |
807 |
501 |
163 |
1 |
0 |
| VODI |
0 |
411 |
375 |
1192 |
1487 |
762 |
26 |
0 |
| ODI |
0 |
28 |
82 |
246 |
1008 |
1170 |
108 |
0 |
| CDI |
0 |
2 |
50 |
192 |
567 |
1805 |
362 |
0 |
| VCDI |
0 |
1 |
13 |
182 |
625 |
5243 |
22393 |
20847 |
|
Date: 2022-10-26:
| 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 |
93091 |
25837 |
1599 |
1153 |
714 |
250 |
1 |
0 |
| OW |
13 |
666 |
565 |
1161 |
688 |
183 |
7 |
0 |
| VODI |
0 |
186 |
201 |
938 |
1487 |
423 |
27 |
0 |
| ODI |
0 |
12 |
65 |
194 |
1437 |
920 |
78 |
0 |
| CDI |
0 |
1 |
17 |
130 |
772 |
2349 |
510 |
0 |
| VCDI |
0 |
1 |
0 |
60 |
424 |
4645 |
22583 |
23660 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93049 |
25219 |
1495 |
1220 |
949 |
413 |
13 |
0 |
| OW |
51 |
1065 |
503 |
830 |
733 |
255 |
13 |
0 |
| VODI |
4 |
363 |
303 |
1063 |
1584 |
871 |
135 |
0 |
| ODI |
0 |
46 |
97 |
230 |
1185 |
1406 |
276 |
0 |
| CDI |
0 |
9 |
47 |
177 |
505 |
1573 |
719 |
0 |
| VCDI |
0 |
1 |
2 |
116 |
566 |
4252 |
22050 |
23660 |
|
Date: 2022-10-28:
| 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 |
89752 |
25091 |
3148 |
804 |
657 |
325 |
2 |
0 |
| OW |
22 |
957 |
538 |
1042 |
599 |
599 |
13 |
0 |
| VODI |
17 |
240 |
174 |
674 |
1417 |
1076 |
27 |
0 |
| ODI |
0 |
45 |
60 |
211 |
951 |
1370 |
133 |
0 |
| CDI |
0 |
10 |
32 |
145 |
593 |
1944 |
577 |
0 |
| VCDI |
0 |
0 |
8 |
57 |
357 |
4847 |
22746 |
25788 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89564 |
24872 |
3132 |
1038 |
905 |
580 |
12 |
0 |
| OW |
202 |
932 |
420 |
677 |
525 |
736 |
13 |
0 |
| VODI |
25 |
417 |
250 |
746 |
1437 |
1356 |
182 |
0 |
| ODI |
0 |
78 |
74 |
207 |
741 |
1698 |
501 |
0 |
| CDI |
0 |
35 |
39 |
126 |
476 |
1694 |
948 |
0 |
| VCDI |
0 |
9 |
45 |
139 |
490 |
4097 |
21842 |
25788 |
|
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