Validation of sea ice concentration - Full domain
Bulletin date: 2023-05-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-05:
| 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 |
68339 |
15680 |
756 |
1574 |
438 |
72 |
0 |
0 |
| OW |
84 |
57 |
51 |
486 |
441 |
37 |
0 |
0 |
| VODI |
0 |
29 |
11 |
288 |
763 |
192 |
15 |
0 |
| ODI |
0 |
17 |
2 |
188 |
859 |
519 |
77 |
0 |
| CDI |
0 |
9 |
12 |
124 |
1411 |
3740 |
1103 |
4 |
| VCDI |
0 |
0 |
2 |
115 |
839 |
7568 |
30001 |
51145 |
|
...date precedes bulletin
|
Date: 2023-05-07:
| 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 |
68775 |
15624 |
753 |
1421 |
340 |
40 |
0 |
0 |
| OW |
71 |
55 |
57 |
588 |
425 |
30 |
0 |
0 |
| VODI |
0 |
24 |
10 |
325 |
892 |
131 |
15 |
0 |
| ODI |
0 |
10 |
6 |
167 |
981 |
507 |
129 |
0 |
| CDI |
0 |
1 |
10 |
155 |
1269 |
3129 |
1397 |
12 |
| VCDI |
0 |
0 |
11 |
198 |
1250 |
7311 |
30996 |
49933 |
|
...date precedes bulletin
|
Date: 2023-05-09:
| 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 |
69788 |
15404 |
722 |
1137 |
149 |
37 |
0 |
0 |
| OW |
71 |
39 |
82 |
709 |
217 |
19 |
0 |
0 |
| VODI |
0 |
16 |
16 |
566 |
820 |
34 |
2 |
0 |
| ODI |
0 |
6 |
7 |
188 |
1384 |
320 |
23 |
0 |
| CDI |
0 |
0 |
6 |
257 |
1691 |
3924 |
637 |
31 |
| VCDI |
0 |
0 |
0 |
151 |
1188 |
6969 |
33484 |
46954 |
|
...date precedes bulletin
|
Date: 2023-05-11:
| 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 |
70365 |
15111 |
710 |
1013 |
177 |
31 |
0 |
0 |
| OW |
65 |
77 |
135 |
704 |
233 |
18 |
0 |
0 |
| VODI |
0 |
10 |
48 |
636 |
733 |
55 |
0 |
0 |
| ODI |
0 |
0 |
2 |
243 |
1267 |
332 |
9 |
0 |
| CDI |
0 |
0 |
3 |
206 |
1896 |
3575 |
921 |
30 |
| VCDI |
0 |
0 |
0 |
215 |
821 |
9058 |
31808 |
46541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70365 |
15125 |
726 |
1130 |
207 |
30 |
0 |
0 |
| OW |
65 |
64 |
117 |
591 |
276 |
22 |
0 |
0 |
| VODI |
0 |
9 |
50 |
603 |
672 |
58 |
1 |
0 |
| ODI |
0 |
0 |
2 |
266 |
1212 |
330 |
13 |
0 |
| CDI |
0 |
0 |
3 |
226 |
1966 |
3693 |
988 |
54 |
| VCDI |
0 |
0 |
0 |
201 |
794 |
8936 |
31736 |
46517 |
|
Date: 2023-05-13:
| 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 |
70120 |
15314 |
722 |
1123 |
216 |
46 |
9 |
0 |
| OW |
59 |
80 |
126 |
767 |
332 |
13 |
3 |
0 |
| VODI |
0 |
54 |
47 |
576 |
853 |
98 |
0 |
0 |
| ODI |
0 |
12 |
24 |
257 |
1092 |
535 |
74 |
0 |
| CDI |
0 |
8 |
13 |
221 |
1894 |
2645 |
1226 |
16 |
| VCDI |
0 |
14 |
24 |
285 |
1107 |
9159 |
29816 |
48068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70120 |
15320 |
732 |
1272 |
245 |
48 |
8 |
0 |
| OW |
59 |
68 |
111 |
635 |
370 |
13 |
4 |
0 |
| VODI |
0 |
58 |
43 |
537 |
751 |
99 |
0 |
0 |
| ODI |
0 |
15 |
34 |
262 |
1103 |
595 |
88 |
0 |
| CDI |
0 |
7 |
12 |
255 |
1926 |
2548 |
1205 |
23 |
| VCDI |
0 |
14 |
24 |
268 |
1099 |
9193 |
29823 |
48061 |
|
Date: 2023-05-15:
| 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 |
70154 |
15546 |
779 |
987 |
136 |
53 |
1 |
0 |
| OW |
57 |
83 |
160 |
937 |
184 |
19 |
6 |
0 |
| VODI |
0 |
50 |
50 |
903 |
953 |
55 |
8 |
0 |
| ODI |
0 |
21 |
34 |
308 |
1801 |
362 |
42 |
0 |
| CDI |
0 |
2 |
8 |
189 |
1977 |
4866 |
712 |
31 |
| VCDI |
0 |
0 |
0 |
39 |
401 |
8261 |
35133 |
41740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70152 |
15407 |
743 |
1232 |
232 |
77 |
9 |
0 |
| OW |
59 |
104 |
119 |
679 |
288 |
37 |
6 |
0 |
| VODI |
0 |
70 |
55 |
563 |
810 |
190 |
14 |
0 |
| ODI |
0 |
48 |
25 |
305 |
991 |
533 |
219 |
0 |
| CDI |
0 |
36 |
38 |
294 |
1844 |
2144 |
1526 |
35 |
| VCDI |
0 |
37 |
51 |
290 |
1287 |
10635 |
34128 |
41736 |
|
Date: 2023-05-17:
| 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 |
70881 |
15466 |
772 |
1149 |
176 |
40 |
0 |
0 |
| OW |
63 |
103 |
120 |
863 |
245 |
31 |
0 |
0 |
| VODI |
0 |
85 |
81 |
774 |
964 |
92 |
3 |
0 |
| ODI |
0 |
20 |
23 |
448 |
1185 |
340 |
54 |
0 |
| CDI |
0 |
6 |
6 |
255 |
2215 |
3731 |
948 |
1 |
| VCDI |
0 |
0 |
0 |
65 |
954 |
8721 |
33633 |
42535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70879 |
15142 |
640 |
1119 |
301 |
83 |
0 |
0 |
| OW |
65 |
225 |
134 |
607 |
269 |
55 |
0 |
0 |
| VODI |
0 |
128 |
100 |
576 |
768 |
186 |
78 |
0 |
| ODI |
0 |
81 |
37 |
463 |
862 |
497 |
211 |
0 |
| CDI |
0 |
63 |
36 |
505 |
1951 |
2096 |
1216 |
30 |
| VCDI |
0 |
41 |
55 |
284 |
1588 |
10038 |
33133 |
42506 |
|
Date: 2023-05-19:
| 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 |
70726 |
15392 |
844 |
1256 |
263 |
33 |
1 |
0 |
| OW |
62 |
117 |
123 |
912 |
466 |
30 |
1 |
0 |
| VODI |
0 |
88 |
85 |
795 |
1040 |
175 |
3 |
0 |
| ODI |
0 |
12 |
30 |
417 |
1303 |
476 |
62 |
7 |
| CDI |
0 |
23 |
10 |
227 |
1910 |
3988 |
1588 |
27 |
| VCDI |
0 |
0 |
2 |
86 |
954 |
9879 |
37113 |
36522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70726 |
15163 |
687 |
1284 |
449 |
69 |
2 |
0 |
| OW |
62 |
195 |
171 |
539 |
438 |
53 |
0 |
0 |
| VODI |
0 |
108 |
119 |
645 |
786 |
248 |
97 |
0 |
| ODI |
0 |
76 |
32 |
543 |
953 |
520 |
338 |
5 |
| CDI |
0 |
58 |
44 |
373 |
1834 |
2678 |
1817 |
72 |
| VCDI |
0 |
32 |
41 |
309 |
1476 |
11013 |
36514 |
36479 |
|
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