Validation of sea ice concentration - Full domain
Bulletin date: 2024-06-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-31:
| 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 |
62318 |
13779 |
92 |
72 |
20 |
3 |
2 |
0 |
| OW |
833 |
2517 |
348 |
358 |
129 |
30 |
7 |
0 |
| VODI |
2184 |
1218 |
574 |
1693 |
737 |
129 |
46 |
0 |
| ODI |
1418 |
437 |
226 |
1167 |
2015 |
741 |
160 |
0 |
| CDI |
0 |
472 |
248 |
1061 |
3428 |
7744 |
2138 |
1 |
| VCDI |
0 |
265 |
105 |
437 |
1308 |
9250 |
48348 |
12752 |
|
...date precedes bulletin
|
Date: 2024-06-02:
| 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 |
62807 |
12806 |
78 |
87 |
25 |
2 |
0 |
0 |
| OW |
837 |
2936 |
396 |
500 |
168 |
35 |
4 |
0 |
| VODI |
2221 |
1513 |
584 |
1478 |
790 |
162 |
30 |
0 |
| ODI |
1375 |
635 |
301 |
1206 |
1975 |
829 |
125 |
0 |
| CDI |
0 |
728 |
306 |
1188 |
3900 |
7265 |
2688 |
2 |
| VCDI |
0 |
156 |
99 |
372 |
1158 |
8101 |
47051 |
13891 |
|
...date precedes bulletin
|
Date: 2024-06-04:
| 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 |
63536 |
13666 |
69 |
76 |
13 |
0 |
0 |
0 |
| OW |
852 |
3744 |
561 |
572 |
112 |
23 |
3 |
0 |
| VODI |
2373 |
1432 |
727 |
2240 |
848 |
108 |
21 |
0 |
| ODI |
1205 |
264 |
168 |
1213 |
3094 |
914 |
69 |
0 |
| CDI |
0 |
223 |
148 |
646 |
3268 |
7544 |
2118 |
0 |
| VCDI |
0 |
152 |
94 |
367 |
906 |
7734 |
46070 |
13637 |
|
...date precedes bulletin
|
Date: 2024-06-06:
| 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 |
63715 |
14466 |
123 |
125 |
15 |
1 |
0 |
0 |
| OW |
870 |
3689 |
459 |
546 |
162 |
22 |
5 |
0 |
| VODI |
2424 |
1605 |
738 |
1927 |
953 |
149 |
33 |
0 |
| ODI |
1137 |
372 |
227 |
1346 |
2266 |
792 |
93 |
0 |
| CDI |
0 |
403 |
162 |
754 |
4029 |
6184 |
2166 |
2 |
| VCDI |
0 |
229 |
117 |
415 |
1102 |
7954 |
47289 |
11744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63715 |
14559 |
121 |
127 |
24 |
1 |
0 |
0 |
| OW |
870 |
3584 |
493 |
577 |
163 |
28 |
4 |
0 |
| VODI |
2424 |
1624 |
697 |
1915 |
950 |
169 |
41 |
0 |
| ODI |
1137 |
351 |
231 |
1312 |
2280 |
728 |
98 |
0 |
| CDI |
0 |
426 |
170 |
778 |
4034 |
6037 |
2211 |
29 |
| VCDI |
0 |
220 |
114 |
404 |
1076 |
8139 |
47232 |
11717 |
|
Date: 2024-06-08:
| 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 |
65048 |
14303 |
141 |
93 |
27 |
8 |
0 |
0 |
| OW |
883 |
3730 |
410 |
500 |
138 |
42 |
2 |
0 |
| VODI |
2485 |
1814 |
649 |
1663 |
759 |
208 |
26 |
0 |
| ODI |
1062 |
633 |
330 |
1364 |
1628 |
722 |
144 |
0 |
| CDI |
0 |
664 |
241 |
1166 |
3988 |
5607 |
2458 |
0 |
| VCDI |
0 |
333 |
156 |
463 |
1677 |
7969 |
45212 |
12064 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65050 |
14434 |
168 |
98 |
45 |
13 |
0 |
0 |
| OW |
881 |
3583 |
404 |
557 |
140 |
32 |
1 |
0 |
| VODI |
2485 |
1828 |
636 |
1626 |
748 |
222 |
36 |
0 |
| ODI |
1062 |
627 |
325 |
1453 |
1611 |
673 |
143 |
0 |
| CDI |
0 |
654 |
242 |
1039 |
3975 |
5523 |
2376 |
0 |
| VCDI |
0 |
351 |
152 |
476 |
1698 |
8093 |
45286 |
12064 |
|
Date: 2024-06-10:
| 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 |
67306 |
13991 |
100 |
80 |
17 |
30 |
0 |
0 |
| OW |
952 |
4523 |
694 |
590 |
73 |
27 |
2 |
0 |
| VODI |
2870 |
1223 |
743 |
2414 |
997 |
101 |
14 |
0 |
| ODI |
654 |
386 |
169 |
935 |
2668 |
940 |
96 |
2 |
| CDI |
0 |
252 |
160 |
588 |
2923 |
7965 |
2297 |
4 |
| VCDI |
0 |
2 |
10 |
131 |
378 |
5952 |
48057 |
9494 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67233 |
13031 |
103 |
76 |
26 |
56 |
0 |
0 |
| OW |
1005 |
3301 |
344 |
581 |
171 |
39 |
7 |
0 |
| VODI |
2564 |
2008 |
605 |
1358 |
751 |
203 |
92 |
0 |
| ODI |
980 |
949 |
431 |
1359 |
1430 |
697 |
205 |
1 |
| CDI |
0 |
888 |
292 |
946 |
3512 |
6006 |
3213 |
7 |
| VCDI |
0 |
200 |
101 |
418 |
1166 |
8014 |
46949 |
9492 |
|
Date: 2024-06-12:
| 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 |
67031 |
14123 |
114 |
70 |
12 |
16 |
9 |
0 |
| OW |
951 |
4675 |
691 |
664 |
126 |
35 |
9 |
0 |
| VODI |
3136 |
1537 |
769 |
2195 |
945 |
167 |
29 |
0 |
| ODI |
381 |
421 |
149 |
1020 |
2430 |
1091 |
152 |
1 |
| CDI |
0 |
369 |
188 |
845 |
3160 |
7973 |
3522 |
9 |
| VCDI |
0 |
6 |
16 |
89 |
588 |
8815 |
38974 |
13307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66984 |
13262 |
138 |
91 |
19 |
42 |
23 |
0 |
| OW |
978 |
3260 |
408 |
669 |
198 |
64 |
13 |
0 |
| VODI |
2651 |
2214 |
547 |
1320 |
845 |
263 |
66 |
0 |
| ODI |
886 |
1259 |
440 |
1308 |
1478 |
716 |
213 |
3 |
| CDI |
0 |
1084 |
331 |
1208 |
3565 |
6759 |
3665 |
24 |
| VCDI |
0 |
52 |
63 |
287 |
1156 |
10253 |
38715 |
13290 |
|
Date: 2024-06-14:
| 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 |
67322 |
14109 |
105 |
91 |
26 |
42 |
0 |
0 |
| OW |
1062 |
4601 |
596 |
715 |
171 |
65 |
3 |
0 |
| VODI |
3363 |
1914 |
744 |
1828 |
959 |
309 |
22 |
1 |
| ODI |
0 |
530 |
210 |
1059 |
2231 |
1243 |
172 |
6 |
| CDI |
0 |
429 |
213 |
933 |
3563 |
8271 |
4181 |
31 |
| VCDI |
0 |
31 |
31 |
141 |
719 |
11324 |
36744 |
10700 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67204 |
12961 |
99 |
94 |
46 |
65 |
0 |
0 |
| OW |
1014 |
3321 |
426 |
662 |
222 |
134 |
9 |
0 |
| VODI |
2768 |
2572 |
549 |
1168 |
833 |
365 |
72 |
0 |
| ODI |
761 |
1524 |
412 |
1271 |
1547 |
889 |
191 |
2 |
| CDI |
0 |
1097 |
305 |
1271 |
3674 |
7592 |
4225 |
60 |
| VCDI |
0 |
139 |
108 |
301 |
1347 |
12209 |
36625 |
10676 |
|
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