Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-03:
| 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 |
58830 |
12643 |
94 |
85 |
10 |
0 |
0 |
0 |
| OW |
814 |
2059 |
279 |
319 |
56 |
16 |
2 |
0 |
| VODI |
1890 |
649 |
337 |
677 |
411 |
80 |
17 |
0 |
| ODI |
1691 |
173 |
123 |
600 |
801 |
337 |
93 |
0 |
| CDI |
0 |
164 |
73 |
508 |
2169 |
4167 |
2708 |
2 |
| VCDI |
0 |
119 |
47 |
263 |
1036 |
4762 |
37860 |
43846 |
|
...date precedes bulletin
|
Date: 2024-05-05:
| 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 |
60046 |
11725 |
60 |
59 |
14 |
0 |
0 |
0 |
| OW |
861 |
2186 |
221 |
202 |
64 |
9 |
0 |
0 |
| VODI |
1898 |
792 |
294 |
586 |
361 |
120 |
30 |
0 |
| ODI |
1677 |
234 |
139 |
506 |
771 |
267 |
99 |
0 |
| CDI |
0 |
237 |
101 |
482 |
1959 |
4358 |
2707 |
5 |
| VCDI |
0 |
245 |
98 |
443 |
1525 |
5706 |
38049 |
41674 |
|
...date precedes bulletin
|
Date: 2024-05-07:
| 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 |
60260 |
12553 |
81 |
49 |
0 |
0 |
0 |
0 |
| OW |
777 |
2008 |
243 |
242 |
37 |
3 |
0 |
0 |
| VODI |
1812 |
497 |
352 |
763 |
380 |
129 |
33 |
0 |
| ODI |
1879 |
114 |
95 |
539 |
915 |
435 |
78 |
0 |
| CDI |
0 |
120 |
94 |
505 |
1855 |
4341 |
2431 |
0 |
| VCDI |
0 |
55 |
54 |
436 |
1078 |
4837 |
38866 |
41864 |
|
...date precedes bulletin
|
Date: 2024-05-09:
| 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 |
60351 |
12542 |
91 |
58 |
6 |
0 |
0 |
0 |
| OW |
776 |
1963 |
256 |
216 |
66 |
9 |
1 |
0 |
| VODI |
1823 |
628 |
315 |
712 |
371 |
113 |
12 |
0 |
| ODI |
1862 |
153 |
125 |
574 |
834 |
395 |
104 |
0 |
| CDI |
0 |
176 |
112 |
598 |
2124 |
3802 |
2380 |
18 |
| VCDI |
0 |
85 |
85 |
520 |
1311 |
6063 |
39878 |
39302 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60351 |
12440 |
93 |
59 |
7 |
0 |
0 |
0 |
| OW |
776 |
2091 |
259 |
212 |
74 |
10 |
2 |
0 |
| VODI |
1823 |
605 |
313 |
691 |
361 |
106 |
13 |
0 |
| ODI |
1862 |
153 |
131 |
628 |
839 |
401 |
113 |
0 |
| CDI |
0 |
171 |
98 |
554 |
2084 |
3858 |
2530 |
17 |
| VCDI |
0 |
87 |
90 |
534 |
1347 |
6007 |
39717 |
39303 |
|
Date: 2024-05-11:
| 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 |
60881 |
12049 |
64 |
58 |
9 |
3 |
0 |
0 |
| OW |
775 |
2042 |
151 |
207 |
79 |
13 |
1 |
0 |
| VODI |
1837 |
875 |
292 |
621 |
287 |
71 |
55 |
0 |
| ODI |
1848 |
271 |
180 |
599 |
746 |
404 |
196 |
0 |
| CDI |
0 |
256 |
131 |
716 |
2310 |
3680 |
2699 |
0 |
| VCDI |
0 |
170 |
107 |
600 |
1346 |
5959 |
42615 |
35607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60881 |
12040 |
67 |
62 |
11 |
5 |
0 |
0 |
| OW |
775 |
2095 |
143 |
224 |
85 |
10 |
1 |
0 |
| VODI |
1837 |
849 |
317 |
572 |
275 |
72 |
65 |
0 |
| ODI |
1848 |
268 |
174 |
628 |
759 |
411 |
205 |
0 |
| CDI |
0 |
225 |
114 |
704 |
2308 |
3782 |
2969 |
28 |
| VCDI |
0 |
186 |
110 |
611 |
1339 |
5850 |
42326 |
35579 |
|
Date: 2024-05-13:
| 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 |
60700 |
12830 |
66 |
72 |
4 |
0 |
0 |
0 |
| OW |
787 |
2212 |
299 |
244 |
55 |
13 |
1 |
0 |
| VODI |
1888 |
650 |
418 |
1104 |
449 |
111 |
29 |
0 |
| ODI |
1782 |
236 |
146 |
717 |
1376 |
548 |
64 |
0 |
| CDI |
0 |
213 |
124 |
740 |
2437 |
4869 |
1972 |
0 |
| VCDI |
0 |
52 |
73 |
320 |
777 |
4664 |
46905 |
30863 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60699 |
12141 |
54 |
72 |
7 |
0 |
0 |
0 |
| OW |
774 |
1948 |
181 |
206 |
74 |
32 |
19 |
0 |
| VODI |
1855 |
976 |
292 |
570 |
319 |
156 |
42 |
0 |
| ODI |
1829 |
466 |
216 |
662 |
785 |
391 |
171 |
0 |
| CDI |
0 |
407 |
224 |
1060 |
2659 |
3771 |
2602 |
4 |
| VCDI |
0 |
255 |
159 |
627 |
1254 |
5855 |
46137 |
30859 |
|
Date: 2024-05-15:
| 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 |
60947 |
12637 |
68 |
87 |
5 |
0 |
0 |
0 |
| OW |
791 |
2356 |
258 |
237 |
110 |
25 |
1 |
0 |
| VODI |
1902 |
751 |
415 |
1078 |
478 |
119 |
32 |
0 |
| ODI |
1765 |
199 |
146 |
559 |
1157 |
415 |
66 |
0 |
| CDI |
0 |
313 |
204 |
808 |
2429 |
4608 |
1874 |
0 |
| VCDI |
0 |
28 |
58 |
356 |
928 |
4778 |
47801 |
30021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60922 |
11763 |
88 |
89 |
10 |
0 |
0 |
0 |
| OW |
804 |
1850 |
176 |
252 |
86 |
26 |
14 |
0 |
| VODI |
1868 |
1117 |
251 |
660 |
376 |
114 |
56 |
0 |
| ODI |
1811 |
618 |
187 |
591 |
931 |
498 |
191 |
0 |
| CDI |
0 |
657 |
293 |
963 |
2528 |
3755 |
2022 |
56 |
| VCDI |
0 |
279 |
154 |
570 |
1176 |
5552 |
47491 |
29965 |
|
Date: 2024-05-17:
| 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 |
61845 |
12080 |
65 |
48 |
4 |
0 |
0 |
0 |
| OW |
795 |
2344 |
281 |
213 |
102 |
20 |
1 |
0 |
| VODI |
1917 |
857 |
389 |
1040 |
403 |
96 |
45 |
0 |
| ODI |
1746 |
257 |
159 |
578 |
851 |
374 |
133 |
0 |
| CDI |
0 |
297 |
228 |
903 |
2318 |
4277 |
2016 |
14 |
| VCDI |
0 |
49 |
50 |
380 |
982 |
6056 |
51052 |
25545 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61746 |
11151 |
123 |
59 |
15 |
9 |
1 |
0 |
| OW |
857 |
1765 |
196 |
284 |
79 |
23 |
12 |
0 |
| VODI |
1907 |
1327 |
233 |
603 |
326 |
124 |
118 |
0 |
| ODI |
1793 |
739 |
172 |
628 |
833 |
672 |
539 |
1 |
| CDI |
0 |
630 |
284 |
981 |
2072 |
3198 |
2511 |
74 |
| VCDI |
0 |
272 |
164 |
607 |
1335 |
6797 |
50066 |
25484 |
|
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