Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-30:
| 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 |
80859 |
25116 |
1600 |
2587 |
600 |
46 |
0 |
0 |
| OW |
9 |
643 |
447 |
1385 |
760 |
93 |
2 |
0 |
| VODI |
0 |
218 |
215 |
1269 |
2202 |
774 |
24 |
0 |
| ODI |
0 |
56 |
86 |
657 |
3368 |
2143 |
75 |
0 |
| CDI |
0 |
33 |
66 |
426 |
3127 |
14017 |
1698 |
0 |
| VCDI |
0 |
0 |
2 |
3 |
412 |
17093 |
24068 |
869 |
|
...date precedes bulletin
|
Date: 2023-07-02:
| 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 |
82976 |
24566 |
1346 |
2179 |
469 |
43 |
0 |
0 |
| OW |
7 |
732 |
431 |
1350 |
962 |
139 |
1 |
0 |
| VODI |
0 |
214 |
199 |
1184 |
2259 |
1120 |
38 |
0 |
| ODI |
0 |
66 |
76 |
560 |
2825 |
2536 |
68 |
0 |
| CDI |
0 |
57 |
64 |
438 |
2892 |
17636 |
2210 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
1679 |
21013 |
14624 |
71 |
|
...date precedes bulletin
|
Date: 2023-07-04:
| 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 |
84522 |
24770 |
1199 |
1663 |
370 |
48 |
1 |
0 |
| OW |
7 |
614 |
439 |
1053 |
474 |
46 |
5 |
0 |
| VODI |
0 |
201 |
325 |
1650 |
1774 |
205 |
19 |
0 |
| ODI |
0 |
43 |
60 |
782 |
5443 |
2055 |
64 |
0 |
| CDI |
0 |
6 |
16 |
309 |
3574 |
21308 |
2254 |
0 |
| VCDI |
0 |
0 |
1 |
7 |
510 |
21212 |
10019 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-06:
| 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 |
86605 |
23737 |
1078 |
1627 |
320 |
74 |
8 |
0 |
| OW |
6 |
733 |
424 |
1012 |
624 |
77 |
7 |
0 |
| VODI |
0 |
349 |
315 |
1748 |
2353 |
291 |
35 |
0 |
| ODI |
0 |
36 |
58 |
733 |
4560 |
2387 |
72 |
0 |
| CDI |
0 |
13 |
35 |
390 |
5212 |
19632 |
2142 |
0 |
| VCDI |
0 |
1 |
0 |
23 |
3200 |
20018 |
7113 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86605 |
23749 |
1094 |
1684 |
391 |
83 |
10 |
0 |
| OW |
6 |
718 |
410 |
929 |
586 |
71 |
13 |
0 |
| VODI |
0 |
347 |
312 |
1746 |
2251 |
285 |
32 |
0 |
| ODI |
0 |
42 |
61 |
768 |
4406 |
2281 |
66 |
0 |
| CDI |
0 |
12 |
33 |
383 |
5420 |
19468 |
2121 |
0 |
| VCDI |
0 |
1 |
0 |
23 |
3215 |
20291 |
7135 |
0 |
|
Date: 2023-07-08:
| 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 |
86837 |
23994 |
1168 |
1630 |
404 |
80 |
2 |
0 |
| OW |
5 |
901 |
510 |
1111 |
755 |
102 |
10 |
0 |
| VODI |
0 |
374 |
330 |
1870 |
2791 |
346 |
31 |
0 |
| ODI |
0 |
55 |
71 |
733 |
4729 |
1865 |
42 |
0 |
| CDI |
0 |
27 |
58 |
488 |
8336 |
17164 |
1115 |
0 |
| VCDI |
0 |
1 |
0 |
18 |
1261 |
22051 |
5783 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86837 |
24014 |
1201 |
1665 |
477 |
90 |
2 |
0 |
| OW |
5 |
871 |
459 |
1093 |
702 |
113 |
11 |
0 |
| VODI |
0 |
389 |
351 |
1836 |
2758 |
356 |
24 |
0 |
| ODI |
0 |
50 |
70 |
739 |
4540 |
1773 |
47 |
0 |
| CDI |
0 |
27 |
56 |
498 |
8585 |
17176 |
1094 |
0 |
| VCDI |
0 |
1 |
0 |
19 |
1214 |
22100 |
5805 |
0 |
|
Date: 2023-07-10:
| 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 |
89813 |
22616 |
1098 |
1342 |
343 |
76 |
0 |
0 |
| OW |
4 |
676 |
478 |
838 |
308 |
40 |
0 |
0 |
| VODI |
0 |
231 |
354 |
2489 |
1978 |
159 |
5 |
0 |
| ODI |
0 |
32 |
71 |
1109 |
8905 |
2200 |
51 |
0 |
| CDI |
0 |
8 |
22 |
188 |
8997 |
23872 |
1108 |
0 |
| VCDI |
0 |
1 |
0 |
11 |
835 |
11623 |
5167 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89811 |
22024 |
1105 |
1605 |
542 |
103 |
0 |
0 |
| OW |
6 |
1014 |
401 |
1265 |
882 |
147 |
0 |
0 |
| VODI |
0 |
415 |
352 |
1776 |
2790 |
658 |
26 |
0 |
| ODI |
0 |
74 |
103 |
749 |
4080 |
2041 |
84 |
0 |
| CDI |
0 |
36 |
62 |
559 |
10836 |
15666 |
1158 |
0 |
| VCDI |
0 |
1 |
0 |
23 |
2236 |
19355 |
5063 |
0 |
|
Date: 2023-07-12:
| 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 |
91309 |
21977 |
1043 |
1474 |
367 |
31 |
0 |
0 |
| OW |
3 |
622 |
430 |
1245 |
458 |
34 |
0 |
0 |
| VODI |
0 |
277 |
331 |
2704 |
2595 |
172 |
5 |
0 |
| ODI |
0 |
49 |
73 |
1116 |
9268 |
2658 |
44 |
0 |
| CDI |
0 |
29 |
46 |
198 |
7867 |
23148 |
1614 |
0 |
| VCDI |
0 |
2 |
1 |
15 |
1135 |
11635 |
3073 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91309 |
21232 |
973 |
1837 |
631 |
48 |
0 |
0 |
| OW |
3 |
1031 |
423 |
1512 |
1081 |
83 |
0 |
0 |
| VODI |
0 |
483 |
310 |
1868 |
3163 |
311 |
4 |
0 |
| ODI |
0 |
140 |
123 |
983 |
4663 |
1749 |
30 |
0 |
| CDI |
0 |
68 |
94 |
533 |
10325 |
16203 |
1379 |
0 |
| VCDI |
0 |
2 |
1 |
19 |
1827 |
19284 |
3323 |
0 |
|
Date: 2023-07-14:
| 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 |
93353 |
20926 |
1044 |
1276 |
393 |
35 |
1 |
0 |
| OW |
0 |
884 |
575 |
1659 |
547 |
32 |
1 |
0 |
| VODI |
0 |
366 |
382 |
2611 |
3004 |
242 |
17 |
0 |
| ODI |
0 |
68 |
106 |
1160 |
10222 |
2451 |
62 |
0 |
| CDI |
0 |
37 |
36 |
237 |
11195 |
18901 |
723 |
0 |
| VCDI |
0 |
5 |
0 |
13 |
1280 |
11469 |
1735 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93351 |
20234 |
1007 |
1981 |
801 |
97 |
1 |
0 |
| OW |
2 |
1125 |
484 |
1494 |
1114 |
67 |
0 |
0 |
| VODI |
0 |
632 |
383 |
1836 |
2980 |
273 |
19 |
0 |
| ODI |
0 |
218 |
198 |
1019 |
5192 |
1484 |
58 |
0 |
| CDI |
0 |
72 |
71 |
620 |
13735 |
13172 |
710 |
0 |
| VCDI |
0 |
5 |
0 |
6 |
2819 |
18037 |
1751 |
0 |
|
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