Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-28:
| 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 |
98823 |
23681 |
1500 |
1481 |
199 |
28 |
0 |
0 |
| OW |
0 |
869 |
936 |
2203 |
429 |
51 |
3 |
0 |
| VODI |
0 |
229 |
376 |
5468 |
4104 |
159 |
4 |
0 |
| ODI |
0 |
22 |
44 |
955 |
12158 |
3122 |
53 |
0 |
| CDI |
0 |
9 |
16 |
50 |
3192 |
18406 |
4299 |
0 |
| VCDI |
0 |
4 |
0 |
2 |
24 |
2724 |
1425 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-30:
| 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 |
99555 |
24123 |
1318 |
1494 |
200 |
21 |
0 |
0 |
| OW |
1 |
1346 |
883 |
2662 |
521 |
36 |
0 |
0 |
| VODI |
0 |
264 |
430 |
5161 |
4624 |
179 |
6 |
0 |
| ODI |
0 |
8 |
44 |
710 |
10432 |
4114 |
40 |
0 |
| CDI |
0 |
0 |
9 |
82 |
2640 |
16636 |
4777 |
0 |
| VCDI |
0 |
4 |
1 |
2 |
24 |
1738 |
2963 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-01:
| 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 |
100841 |
24558 |
1438 |
1240 |
198 |
5 |
0 |
0 |
| OW |
0 |
846 |
846 |
1619 |
273 |
12 |
0 |
0 |
| VODI |
0 |
251 |
588 |
5560 |
2561 |
74 |
0 |
0 |
| ODI |
0 |
14 |
24 |
1343 |
10975 |
1460 |
5 |
0 |
| CDI |
0 |
0 |
4 |
47 |
2867 |
15129 |
953 |
0 |
| VCDI |
0 |
5 |
0 |
3 |
20 |
2536 |
9635 |
1118 |
|
...date precedes bulletin
|
Date: 2023-08-03:
| 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 |
101893 |
24491 |
1262 |
1335 |
211 |
9 |
0 |
0 |
| OW |
0 |
944 |
894 |
2179 |
319 |
36 |
0 |
0 |
| VODI |
0 |
194 |
401 |
5776 |
2736 |
132 |
1 |
0 |
| ODI |
0 |
15 |
26 |
939 |
10244 |
1315 |
1 |
0 |
| CDI |
0 |
13 |
6 |
54 |
3429 |
14268 |
1404 |
0 |
| VCDI |
0 |
5 |
2 |
8 |
31 |
2829 |
9014 |
632 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101893 |
24557 |
1374 |
1603 |
251 |
14 |
0 |
0 |
| OW |
0 |
841 |
756 |
2197 |
317 |
34 |
0 |
0 |
| VODI |
0 |
234 |
424 |
5237 |
2791 |
138 |
1 |
0 |
| ODI |
0 |
12 |
29 |
1185 |
9891 |
1109 |
1 |
0 |
| CDI |
0 |
13 |
8 |
62 |
3690 |
14437 |
1403 |
0 |
| VCDI |
0 |
5 |
0 |
7 |
30 |
2857 |
9015 |
632 |
|
Date: 2023-08-05:
| 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 |
102338 |
25312 |
1210 |
1043 |
121 |
0 |
0 |
0 |
| OW |
0 |
1500 |
974 |
2104 |
358 |
30 |
0 |
0 |
| VODI |
0 |
279 |
507 |
5035 |
3079 |
355 |
6 |
0 |
| ODI |
0 |
13 |
42 |
1071 |
8471 |
1986 |
13 |
0 |
| CDI |
0 |
11 |
13 |
94 |
3331 |
14092 |
2463 |
41 |
| VCDI |
0 |
3 |
1 |
6 |
36 |
4321 |
6200 |
589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102338 |
25536 |
1316 |
1334 |
154 |
0 |
0 |
0 |
| OW |
0 |
1231 |
866 |
1948 |
486 |
50 |
0 |
0 |
| VODI |
0 |
320 |
504 |
4685 |
2972 |
349 |
6 |
0 |
| ODI |
0 |
16 |
45 |
1284 |
8174 |
1744 |
10 |
0 |
| CDI |
0 |
12 |
15 |
96 |
3565 |
14347 |
2452 |
33 |
| VCDI |
0 |
3 |
1 |
6 |
45 |
4294 |
6214 |
597 |
|
Date: 2023-08-07:
| 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 |
105887 |
23598 |
1108 |
1063 |
140 |
1 |
0 |
0 |
| OW |
0 |
1061 |
826 |
1326 |
137 |
18 |
0 |
0 |
| VODI |
0 |
267 |
590 |
5898 |
1514 |
43 |
0 |
0 |
| ODI |
0 |
7 |
18 |
1384 |
10390 |
1212 |
0 |
0 |
| CDI |
0 |
9 |
8 |
51 |
4991 |
14665 |
298 |
0 |
| VCDI |
0 |
4 |
3 |
6 |
35 |
3498 |
6518 |
474 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105887 |
23095 |
1238 |
1613 |
215 |
5 |
0 |
0 |
| OW |
0 |
1419 |
751 |
2258 |
347 |
35 |
0 |
0 |
| VODI |
0 |
388 |
484 |
4472 |
3039 |
146 |
0 |
0 |
| ODI |
0 |
26 |
61 |
1195 |
7255 |
2221 |
4 |
0 |
| CDI |
0 |
6 |
9 |
174 |
6239 |
12664 |
1516 |
0 |
| VCDI |
0 |
12 |
10 |
16 |
112 |
4366 |
5296 |
474 |
|
Date: 2023-08-09:
| 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 |
111322 |
20671 |
897 |
465 |
28 |
0 |
0 |
0 |
| OW |
1 |
1760 |
848 |
961 |
68 |
2 |
0 |
0 |
| VODI |
0 |
901 |
1273 |
5491 |
597 |
5 |
0 |
0 |
| ODI |
0 |
201 |
111 |
3159 |
8066 |
1109 |
0 |
0 |
| CDI |
0 |
146 |
42 |
648 |
6591 |
10996 |
748 |
0 |
| VCDI |
0 |
6 |
2 |
6 |
115 |
2939 |
6730 |
143 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111259 |
19773 |
1160 |
1004 |
53 |
0 |
0 |
0 |
| OW |
58 |
2258 |
746 |
1732 |
154 |
6 |
0 |
0 |
| VODI |
6 |
1220 |
980 |
4529 |
1661 |
23 |
0 |
0 |
| ODI |
0 |
257 |
214 |
2527 |
6468 |
921 |
0 |
0 |
| CDI |
0 |
171 |
69 |
918 |
6931 |
11313 |
1301 |
0 |
| VCDI |
0 |
6 |
4 |
20 |
198 |
2788 |
6177 |
143 |
|
Date: 2023-08-11:
| 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 |
108696 |
23063 |
1191 |
1147 |
93 |
6 |
0 |
0 |
| OW |
1 |
1276 |
873 |
1852 |
304 |
18 |
0 |
0 |
| VODI |
0 |
357 |
744 |
5013 |
1538 |
248 |
0 |
0 |
| ODI |
0 |
5 |
34 |
2309 |
6973 |
3176 |
177 |
0 |
| CDI |
0 |
7 |
13 |
78 |
4625 |
12942 |
1172 |
0 |
| VCDI |
0 |
5 |
2 |
2 |
24 |
2365 |
6719 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108642 |
22128 |
1312 |
2119 |
225 |
8 |
0 |
0 |
| OW |
47 |
1600 |
623 |
2029 |
561 |
42 |
0 |
0 |
| VODI |
8 |
875 |
807 |
4117 |
2132 |
383 |
7 |
0 |
| ODI |
0 |
98 |
87 |
1935 |
6099 |
1778 |
88 |
0 |
| CDI |
0 |
5 |
24 |
195 |
4488 |
14561 |
2366 |
0 |
| VCDI |
0 |
7 |
4 |
6 |
52 |
1983 |
5607 |
0 |
|
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