Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-08:
| 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 |
124413 |
22065 |
688 |
603 |
19 |
0 |
0 |
0 |
| OW |
0 |
1110 |
476 |
751 |
56 |
0 |
0 |
0 |
| VODI |
0 |
297 |
433 |
2424 |
733 |
8 |
0 |
0 |
| ODI |
0 |
41 |
108 |
2251 |
5974 |
1347 |
0 |
0 |
| CDI |
0 |
0 |
4 |
380 |
4096 |
10680 |
452 |
0 |
| VCDI |
0 |
2 |
1 |
4 |
64 |
7144 |
424 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
126949 |
19418 |
569 |
647 |
34 |
0 |
0 |
0 |
| OW |
0 |
1361 |
465 |
738 |
98 |
0 |
0 |
0 |
| VODI |
0 |
459 |
444 |
2090 |
863 |
35 |
0 |
0 |
| ODI |
0 |
80 |
110 |
1880 |
6290 |
737 |
3 |
0 |
| CDI |
0 |
6 |
12 |
476 |
5178 |
7666 |
105 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
177 |
9120 |
1034 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
127177 |
20493 |
757 |
890 |
53 |
0 |
0 |
0 |
| OW |
0 |
751 |
430 |
763 |
154 |
2 |
0 |
0 |
| VODI |
0 |
209 |
345 |
2435 |
983 |
63 |
0 |
0 |
| ODI |
0 |
16 |
31 |
1377 |
8247 |
1201 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
2305 |
10830 |
588 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
28 |
6069 |
835 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
127930 |
19632 |
550 |
717 |
244 |
4 |
0 |
0 |
| OW |
0 |
1066 |
435 |
761 |
217 |
12 |
0 |
0 |
| VODI |
0 |
304 |
362 |
1976 |
969 |
81 |
0 |
0 |
| ODI |
0 |
36 |
61 |
1394 |
7121 |
1493 |
31 |
0 |
| CDI |
0 |
0 |
0 |
147 |
3298 |
7869 |
1183 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
44 |
7075 |
2032 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
127930 |
19989 |
633 |
820 |
301 |
15 |
0 |
0 |
| OW |
0 |
734 |
358 |
693 |
211 |
8 |
0 |
0 |
| VODI |
0 |
288 |
366 |
1932 |
1017 |
72 |
0 |
0 |
| ODI |
0 |
27 |
49 |
1398 |
7568 |
1543 |
15 |
0 |
| CDI |
0 |
0 |
2 |
152 |
2758 |
8315 |
1319 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
38 |
6581 |
1912 |
0 |
|
Date: 2023-09-16:
| 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 |
128991 |
18454 |
481 |
602 |
187 |
2 |
0 |
0 |
| OW |
0 |
1348 |
454 |
734 |
174 |
4 |
0 |
0 |
| VODI |
0 |
406 |
380 |
1906 |
780 |
52 |
0 |
0 |
| ODI |
0 |
47 |
96 |
1436 |
5801 |
1757 |
53 |
0 |
| CDI |
0 |
0 |
4 |
305 |
3056 |
8526 |
773 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
41 |
6368 |
3820 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128991 |
18979 |
570 |
701 |
250 |
2 |
0 |
0 |
| OW |
0 |
853 |
350 |
701 |
167 |
2 |
0 |
0 |
| VODI |
0 |
384 |
409 |
1871 |
795 |
38 |
0 |
0 |
| ODI |
0 |
38 |
81 |
1400 |
6146 |
1780 |
49 |
0 |
| CDI |
0 |
1 |
5 |
313 |
2646 |
8854 |
982 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
35 |
6033 |
3615 |
0 |
|
Date: 2023-09-18:
| 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 |
129116 |
18715 |
632 |
648 |
174 |
1 |
0 |
0 |
| OW |
1 |
779 |
464 |
640 |
114 |
4 |
0 |
0 |
| VODI |
0 |
166 |
343 |
2270 |
582 |
14 |
0 |
0 |
| ODI |
0 |
4 |
11 |
918 |
5108 |
475 |
12 |
0 |
| CDI |
0 |
3 |
3 |
45 |
2723 |
12409 |
185 |
0 |
| VCDI |
0 |
1 |
0 |
6 |
10 |
5989 |
4483 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129117 |
18035 |
596 |
693 |
304 |
8 |
0 |
0 |
| OW |
0 |
1093 |
367 |
570 |
172 |
3 |
0 |
0 |
| VODI |
0 |
483 |
403 |
1836 |
753 |
53 |
7 |
0 |
| ODI |
0 |
54 |
82 |
1059 |
4659 |
1943 |
68 |
0 |
| CDI |
0 |
2 |
5 |
361 |
2782 |
10480 |
636 |
0 |
| VCDI |
0 |
1 |
0 |
8 |
41 |
6405 |
3969 |
0 |
|
Date: 2023-09-20:
| 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 |
128729 |
18716 |
742 |
719 |
149 |
2 |
0 |
0 |
| OW |
0 |
794 |
411 |
739 |
162 |
4 |
0 |
0 |
| VODI |
0 |
201 |
279 |
1865 |
678 |
43 |
0 |
0 |
| ODI |
0 |
10 |
26 |
852 |
4099 |
735 |
11 |
0 |
| CDI |
0 |
5 |
4 |
96 |
3509 |
11495 |
596 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
8 |
7764 |
3600 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128729 |
17639 |
622 |
712 |
247 |
2 |
0 |
0 |
| OW |
0 |
1346 |
318 |
548 |
179 |
2 |
0 |
0 |
| VODI |
0 |
658 |
421 |
1675 |
717 |
69 |
0 |
0 |
| ODI |
0 |
79 |
96 |
1006 |
3815 |
1267 |
24 |
0 |
| CDI |
0 |
4 |
5 |
330 |
3636 |
10885 |
1047 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
11 |
7818 |
3136 |
0 |
|
Date: 2023-09-22:
| 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 |
128710 |
17919 |
555 |
637 |
225 |
8 |
0 |
0 |
| OW |
0 |
1230 |
405 |
712 |
344 |
87 |
0 |
0 |
| VODI |
0 |
267 |
287 |
1348 |
757 |
298 |
0 |
0 |
| ODI |
0 |
42 |
62 |
943 |
3078 |
899 |
62 |
0 |
| CDI |
0 |
8 |
3 |
191 |
1957 |
11886 |
1162 |
0 |
| VCDI |
0 |
3 |
1 |
7 |
46 |
6379 |
6530 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128710 |
17183 |
526 |
692 |
262 |
10 |
0 |
0 |
| OW |
0 |
1287 |
251 |
527 |
252 |
10 |
0 |
0 |
| VODI |
0 |
802 |
375 |
1096 |
963 |
299 |
0 |
0 |
| ODI |
0 |
180 |
147 |
1026 |
2327 |
1445 |
67 |
0 |
| CDI |
0 |
15 |
13 |
490 |
2555 |
11750 |
1605 |
0 |
| VCDI |
0 |
2 |
1 |
7 |
48 |
6043 |
6082 |
0 |
|
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