Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-04:
| 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 |
119746 |
14232 |
280 |
192 |
39 |
1 |
0 |
0 |
| OW |
2199 |
1192 |
324 |
712 |
207 |
41 |
0 |
0 |
| VODI |
1648 |
226 |
211 |
820 |
610 |
234 |
3 |
0 |
| ODI |
0 |
14 |
27 |
309 |
642 |
597 |
129 |
0 |
| CDI |
0 |
21 |
3 |
62 |
444 |
1657 |
947 |
0 |
| VCDI |
0 |
7 |
2 |
28 |
146 |
4249 |
21998 |
6611 |
|
...date precedes bulletin
|
Date: 2024-10-06:
| 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 |
119317 |
13517 |
232 |
196 |
61 |
6 |
0 |
0 |
| OW |
2160 |
1268 |
416 |
693 |
238 |
84 |
0 |
0 |
| VODI |
1795 |
210 |
184 |
912 |
696 |
238 |
2 |
0 |
| ODI |
0 |
20 |
29 |
431 |
565 |
701 |
109 |
0 |
| CDI |
0 |
24 |
0 |
81 |
511 |
1700 |
1096 |
0 |
| VCDI |
0 |
27 |
6 |
18 |
124 |
3730 |
19497 |
9916 |
|
...date precedes bulletin
|
Date: 2024-10-08:
| 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 |
118383 |
13954 |
271 |
218 |
15 |
1 |
0 |
0 |
| OW |
2020 |
962 |
406 |
648 |
97 |
7 |
0 |
0 |
| VODI |
1852 |
134 |
179 |
1096 |
591 |
146 |
0 |
0 |
| ODI |
0 |
8 |
11 |
205 |
974 |
668 |
38 |
0 |
| CDI |
0 |
14 |
3 |
20 |
279 |
2463 |
780 |
0 |
| VCDI |
0 |
7 |
0 |
6 |
89 |
2674 |
22290 |
9301 |
|
...date precedes bulletin
|
Date: 2024-10-10:
| 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 |
115523 |
15228 |
410 |
237 |
7 |
0 |
0 |
0 |
| OW |
1992 |
1127 |
448 |
939 |
119 |
13 |
0 |
0 |
| VODI |
1896 |
160 |
137 |
846 |
857 |
171 |
7 |
0 |
| ODI |
2 |
17 |
33 |
175 |
860 |
829 |
107 |
0 |
| CDI |
2 |
19 |
2 |
68 |
319 |
2465 |
1320 |
0 |
| VCDI |
2 |
23 |
9 |
29 |
120 |
3238 |
20839 |
10215 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115527 |
15313 |
516 |
427 |
13 |
0 |
0 |
0 |
| OW |
1992 |
1030 |
352 |
798 |
174 |
32 |
0 |
0 |
| VODI |
1892 |
168 |
126 |
797 |
840 |
228 |
22 |
0 |
| ODI |
2 |
21 |
35 |
178 |
791 |
807 |
119 |
0 |
| CDI |
2 |
17 |
0 |
63 |
338 |
2309 |
1298 |
0 |
| VCDI |
2 |
25 |
10 |
31 |
126 |
3340 |
20834 |
10215 |
|
Date: 2024-10-12:
| 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 |
113236 |
16617 |
352 |
380 |
14 |
0 |
0 |
0 |
| OW |
1992 |
1350 |
319 |
695 |
374 |
66 |
0 |
0 |
| VODI |
1921 |
345 |
136 |
505 |
996 |
276 |
1 |
0 |
| ODI |
2 |
134 |
64 |
206 |
695 |
867 |
18 |
0 |
| CDI |
2 |
86 |
68 |
197 |
609 |
2070 |
1299 |
0 |
| VCDI |
0 |
20 |
10 |
62 |
400 |
5046 |
20744 |
8636 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113251 |
16772 |
437 |
564 |
93 |
3 |
0 |
0 |
| OW |
1984 |
1202 |
252 |
597 |
397 |
96 |
0 |
0 |
| VODI |
1914 |
337 |
120 |
434 |
981 |
320 |
5 |
0 |
| ODI |
2 |
147 |
63 |
181 |
644 |
789 |
35 |
0 |
| CDI |
2 |
76 |
71 |
203 |
568 |
2089 |
1255 |
0 |
| VCDI |
0 |
18 |
6 |
66 |
405 |
5028 |
20767 |
8636 |
|
Date: 2024-10-14:
| 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 |
110503 |
18096 |
520 |
465 |
23 |
0 |
0 |
0 |
| OW |
1933 |
1393 |
344 |
539 |
130 |
3 |
0 |
0 |
| VODI |
1977 |
208 |
251 |
1010 |
599 |
57 |
75 |
0 |
| ODI |
0 |
74 |
28 |
232 |
1081 |
539 |
62 |
0 |
| CDI |
0 |
62 |
33 |
186 |
517 |
3159 |
504 |
0 |
| VCDI |
0 |
2 |
4 |
23 |
180 |
3735 |
19386 |
12877 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110492 |
18145 |
658 |
831 |
178 |
6 |
0 |
0 |
| OW |
1965 |
999 |
285 |
708 |
417 |
171 |
0 |
0 |
| VODI |
1956 |
308 |
85 |
412 |
808 |
734 |
15 |
0 |
| ODI |
0 |
161 |
60 |
144 |
379 |
915 |
81 |
0 |
| CDI |
0 |
198 |
68 |
221 |
356 |
1740 |
727 |
0 |
| VCDI |
0 |
24 |
24 |
139 |
392 |
3927 |
19204 |
12877 |
|
Date: 2024-10-16:
| 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 |
107256 |
19212 |
768 |
919 |
99 |
16 |
0 |
0 |
| OW |
1826 |
1181 |
295 |
707 |
380 |
34 |
0 |
0 |
| VODI |
2163 |
247 |
178 |
658 |
1027 |
186 |
0 |
0 |
| ODI |
0 |
78 |
40 |
236 |
655 |
761 |
18 |
0 |
| CDI |
4 |
139 |
48 |
172 |
535 |
2191 |
553 |
0 |
| VCDI |
0 |
40 |
18 |
64 |
271 |
5269 |
21640 |
10926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107217 |
18475 |
759 |
1093 |
354 |
79 |
0 |
0 |
| OW |
1882 |
1503 |
281 |
652 |
569 |
240 |
8 |
0 |
| VODI |
2146 |
373 |
161 |
555 |
866 |
757 |
173 |
0 |
| ODI |
0 |
158 |
41 |
175 |
368 |
615 |
356 |
0 |
| CDI |
4 |
210 |
52 |
131 |
351 |
1384 |
645 |
0 |
| VCDI |
0 |
178 |
53 |
150 |
459 |
5382 |
21029 |
10926 |
|
Date: 2024-10-18:
| 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 |
106973 |
15800 |
497 |
1016 |
958 |
26 |
0 |
0 |
| OW |
1769 |
1759 |
355 |
853 |
835 |
118 |
0 |
0 |
| VODI |
2231 |
401 |
214 |
640 |
752 |
476 |
7 |
0 |
| ODI |
0 |
101 |
53 |
205 |
544 |
843 |
29 |
0 |
| CDI |
0 |
120 |
53 |
256 |
584 |
1858 |
459 |
0 |
| VCDI |
0 |
40 |
46 |
115 |
333 |
5201 |
24806 |
9484 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107043 |
14884 |
528 |
1230 |
1286 |
127 |
0 |
0 |
| OW |
1825 |
1883 |
275 |
631 |
684 |
304 |
10 |
0 |
| VODI |
2105 |
717 |
187 |
593 |
899 |
935 |
101 |
0 |
| ODI |
0 |
249 |
49 |
139 |
328 |
1091 |
309 |
0 |
| CDI |
0 |
318 |
78 |
181 |
251 |
1027 |
1080 |
4 |
| VCDI |
0 |
170 |
101 |
311 |
558 |
5038 |
23801 |
9480 |
|
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