Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-07:
| 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 |
116637 |
19879 |
1353 |
372 |
113 |
14 |
0 |
0 |
| OW |
84 |
1145 |
595 |
746 |
174 |
0 |
0 |
0 |
| VODI |
0 |
198 |
321 |
1152 |
726 |
97 |
2 |
0 |
| ODI |
0 |
43 |
78 |
637 |
1065 |
260 |
30 |
0 |
| CDI |
0 |
23 |
54 |
306 |
1339 |
1113 |
181 |
0 |
| VCDI |
0 |
0 |
4 |
117 |
1391 |
13424 |
21706 |
1669 |
|
...date precedes bulletin
|
Date: 2022-10-09:
| 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 |
114444 |
19725 |
1152 |
548 |
165 |
15 |
0 |
0 |
| OW |
170 |
1775 |
710 |
775 |
372 |
31 |
0 |
0 |
| VODI |
17 |
353 |
351 |
874 |
1104 |
300 |
0 |
0 |
| ODI |
0 |
62 |
116 |
335 |
1044 |
641 |
2 |
0 |
| CDI |
0 |
33 |
93 |
238 |
1023 |
1187 |
98 |
0 |
| VCDI |
0 |
1 |
55 |
212 |
999 |
11825 |
25969 |
234 |
|
...date precedes bulletin
|
Date: 2022-10-11:
| 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 |
111293 |
22681 |
1132 |
856 |
261 |
82 |
0 |
0 |
| OW |
35 |
898 |
525 |
955 |
400 |
31 |
0 |
0 |
| VODI |
9 |
176 |
160 |
871 |
1205 |
182 |
0 |
0 |
| ODI |
0 |
45 |
35 |
258 |
1570 |
809 |
29 |
0 |
| CDI |
0 |
36 |
40 |
98 |
792 |
2111 |
427 |
0 |
| VCDI |
0 |
0 |
5 |
34 |
360 |
7334 |
27114 |
4199 |
|
...date precedes bulletin
|
Date: 2022-10-13:
| 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 |
110292 |
21271 |
1258 |
937 |
236 |
45 |
0 |
0 |
| OW |
55 |
933 |
541 |
1028 |
694 |
61 |
0 |
0 |
| VODI |
20 |
230 |
143 |
760 |
1585 |
655 |
6 |
0 |
| ODI |
0 |
69 |
55 |
139 |
942 |
1222 |
56 |
0 |
| CDI |
0 |
69 |
38 |
97 |
695 |
1888 |
468 |
0 |
| VCDI |
0 |
13 |
43 |
82 |
277 |
5678 |
27122 |
7345 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110271 |
21276 |
1286 |
1106 |
337 |
60 |
0 |
0 |
| OW |
71 |
937 |
475 |
880 |
744 |
82 |
0 |
0 |
| VODI |
25 |
215 |
188 |
713 |
1512 |
699 |
11 |
0 |
| ODI |
0 |
72 |
50 |
168 |
785 |
1132 |
44 |
0 |
| CDI |
0 |
71 |
37 |
102 |
716 |
1786 |
536 |
0 |
| VCDI |
0 |
14 |
42 |
74 |
335 |
5790 |
27061 |
7345 |
|
Date: 2022-10-15:
| 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 |
104770 |
24114 |
1642 |
929 |
347 |
77 |
0 |
0 |
| OW |
55 |
1138 |
646 |
1169 |
680 |
134 |
0 |
0 |
| VODI |
34 |
232 |
201 |
643 |
1502 |
913 |
14 |
0 |
| ODI |
3 |
59 |
62 |
139 |
697 |
1474 |
129 |
0 |
| CDI |
0 |
31 |
47 |
117 |
379 |
2085 |
497 |
0 |
| VCDI |
0 |
2 |
27 |
108 |
333 |
6620 |
28739 |
6260 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104741 |
24299 |
1747 |
1219 |
429 |
99 |
0 |
0 |
| OW |
62 |
859 |
500 |
919 |
634 |
162 |
0 |
0 |
| VODI |
54 |
326 |
243 |
607 |
1636 |
1017 |
12 |
0 |
| ODI |
5 |
58 |
56 |
137 |
510 |
1352 |
142 |
0 |
| CDI |
0 |
32 |
46 |
107 |
397 |
1959 |
552 |
0 |
| VCDI |
0 |
2 |
33 |
116 |
332 |
6714 |
28673 |
6260 |
|
Date: 2022-10-17:
| 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 |
97412 |
30390 |
1718 |
674 |
280 |
65 |
0 |
0 |
| OW |
14 |
852 |
541 |
884 |
235 |
27 |
0 |
0 |
| VODI |
14 |
171 |
269 |
1119 |
1063 |
129 |
0 |
0 |
| ODI |
12 |
40 |
42 |
275 |
1572 |
962 |
10 |
0 |
| CDI |
0 |
12 |
27 |
103 |
710 |
3506 |
552 |
0 |
| VCDI |
0 |
0 |
4 |
18 |
150 |
5418 |
28891 |
8887 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97416 |
29978 |
1657 |
1010 |
594 |
191 |
0 |
0 |
| OW |
1 |
1046 |
540 |
774 |
618 |
199 |
2 |
0 |
| VODI |
23 |
364 |
273 |
964 |
1416 |
1099 |
112 |
0 |
| ODI |
12 |
56 |
65 |
150 |
652 |
1318 |
307 |
0 |
| CDI |
0 |
19 |
47 |
120 |
471 |
1661 |
544 |
0 |
| VCDI |
0 |
2 |
19 |
55 |
259 |
5639 |
28488 |
8887 |
|
Date: 2022-10-19:
| 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 |
101096 |
24047 |
1739 |
1119 |
450 |
58 |
2 |
0 |
| OW |
2 |
986 |
615 |
1007 |
426 |
58 |
0 |
0 |
| VODI |
0 |
225 |
322 |
1029 |
1239 |
275 |
5 |
0 |
| ODI |
0 |
29 |
64 |
454 |
1123 |
870 |
13 |
0 |
| CDI |
0 |
12 |
17 |
181 |
773 |
2433 |
286 |
2 |
| VCDI |
0 |
6 |
10 |
57 |
305 |
8044 |
27247 |
10422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101097 |
24154 |
1789 |
1406 |
602 |
89 |
2 |
0 |
| OW |
1 |
827 |
545 |
1060 |
622 |
115 |
2 |
0 |
| VODI |
0 |
257 |
330 |
952 |
1536 |
1024 |
66 |
0 |
| ODI |
0 |
29 |
62 |
224 |
792 |
1738 |
140 |
0 |
| CDI |
0 |
19 |
25 |
132 |
431 |
1804 |
495 |
15 |
| VCDI |
0 |
19 |
16 |
73 |
333 |
6968 |
26848 |
10409 |
|
Date: 2022-10-21:
| 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 |
102400 |
21226 |
1702 |
916 |
378 |
69 |
0 |
0 |
| OW |
19 |
1413 |
674 |
1044 |
518 |
38 |
5 |
0 |
| VODI |
0 |
481 |
333 |
1050 |
1209 |
268 |
0 |
0 |
| ODI |
0 |
34 |
114 |
553 |
1189 |
800 |
8 |
0 |
| CDI |
0 |
14 |
55 |
291 |
852 |
1745 |
144 |
0 |
| VCDI |
0 |
2 |
12 |
129 |
574 |
6810 |
22981 |
16998 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102409 |
21471 |
1837 |
1118 |
538 |
102 |
5 |
0 |
| OW |
10 |
1204 |
552 |
1139 |
692 |
88 |
1 |
0 |
| VODI |
0 |
403 |
339 |
1161 |
1498 |
631 |
24 |
0 |
| ODI |
0 |
52 |
76 |
270 |
996 |
1624 |
101 |
0 |
| CDI |
0 |
18 |
57 |
158 |
563 |
1880 |
261 |
108 |
| VCDI |
0 |
22 |
29 |
137 |
433 |
5405 |
22746 |
16890 |
|
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