Validation of sea ice concentration - American sector
Bulletin date: 2022-09-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-26:
| 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 |
11906 |
8677 |
1577 |
642 |
23 |
0 |
0 |
0 |
| OW |
0 |
185 |
328 |
1001 |
65 |
0 |
0 |
0 |
| VODI |
0 |
21 |
124 |
2003 |
401 |
7 |
0 |
0 |
| ODI |
0 |
2 |
1 |
596 |
1864 |
194 |
7 |
0 |
| CDI |
0 |
6 |
3 |
59 |
1952 |
3863 |
409 |
0 |
| VCDI |
0 |
3 |
1 |
4 |
11 |
1998 |
7046 |
887 |
|
...date precedes bulletin
|
Date: 2022-08-28:
| 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 |
7590 |
11457 |
3373 |
535 |
23 |
5 |
1 |
0 |
| OW |
0 |
177 |
621 |
811 |
46 |
0 |
0 |
0 |
| VODI |
0 |
37 |
323 |
1853 |
225 |
11 |
8 |
0 |
| ODI |
0 |
8 |
2 |
795 |
1725 |
114 |
57 |
0 |
| CDI |
0 |
5 |
0 |
163 |
2340 |
3306 |
418 |
14 |
| VCDI |
0 |
1 |
1 |
2 |
22 |
2341 |
7072 |
384 |
|
...date precedes bulletin
|
Date: 2022-08-30:
| 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 |
6767 |
12362 |
3347 |
2057 |
275 |
0 |
0 |
0 |
| OW |
0 |
79 |
272 |
722 |
55 |
0 |
0 |
0 |
| VODI |
0 |
34 |
201 |
1730 |
266 |
12 |
3 |
0 |
| ODI |
0 |
2 |
0 |
676 |
2422 |
267 |
49 |
0 |
| CDI |
0 |
6 |
1 |
50 |
1050 |
2457 |
854 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
10 |
3181 |
6047 |
609 |
|
...date precedes bulletin
|
Date: 2022-09-01:
| 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 |
10555 |
11985 |
1784 |
703 |
28 |
6 |
1 |
0 |
| OW |
0 |
179 |
313 |
607 |
34 |
2 |
0 |
0 |
| VODI |
0 |
36 |
306 |
1484 |
234 |
36 |
0 |
0 |
| ODI |
0 |
1 |
4 |
916 |
1960 |
337 |
23 |
0 |
| CDI |
0 |
5 |
2 |
87 |
1132 |
2113 |
754 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
50 |
3554 |
5741 |
892 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10555 |
12034 |
1897 |
777 |
31 |
6 |
1 |
0 |
| OW |
0 |
117 |
248 |
595 |
39 |
1 |
0 |
0 |
| VODI |
0 |
49 |
261 |
1531 |
311 |
43 |
0 |
0 |
| ODI |
0 |
2 |
1 |
832 |
2013 |
323 |
22 |
0 |
| CDI |
0 |
4 |
2 |
62 |
986 |
2137 |
659 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
58 |
3538 |
5837 |
892 |
|
Date: 2022-09-03:
| 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 |
13772 |
8973 |
1648 |
763 |
65 |
10 |
2 |
0 |
| OW |
0 |
243 |
416 |
553 |
52 |
2 |
0 |
0 |
| VODI |
0 |
55 |
362 |
1250 |
208 |
55 |
22 |
0 |
| ODI |
0 |
2 |
5 |
990 |
1455 |
490 |
71 |
0 |
| CDI |
0 |
7 |
7 |
184 |
1260 |
1800 |
914 |
0 |
| VCDI |
0 |
0 |
1 |
9 |
206 |
4083 |
5403 |
528 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13772 |
9031 |
1724 |
833 |
78 |
10 |
2 |
0 |
| OW |
0 |
166 |
410 |
579 |
59 |
8 |
0 |
0 |
| VODI |
0 |
74 |
295 |
1313 |
262 |
44 |
24 |
0 |
| ODI |
0 |
3 |
3 |
847 |
1479 |
363 |
59 |
0 |
| CDI |
0 |
6 |
6 |
169 |
1123 |
1817 |
851 |
0 |
| VCDI |
0 |
0 |
1 |
8 |
245 |
4198 |
5476 |
528 |
|
Date: 2022-09-05:
| 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 |
11982 |
11726 |
2174 |
910 |
31 |
7 |
0 |
0 |
| OW |
0 |
73 |
274 |
626 |
27 |
0 |
0 |
0 |
| VODI |
0 |
17 |
41 |
1369 |
315 |
10 |
0 |
0 |
| ODI |
0 |
4 |
2 |
548 |
1672 |
280 |
10 |
0 |
| CDI |
0 |
7 |
2 |
95 |
915 |
2790 |
311 |
4 |
| VCDI |
0 |
2 |
4 |
7 |
183 |
4112 |
4672 |
664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11982 |
11423 |
1536 |
660 |
42 |
9 |
0 |
0 |
| OW |
0 |
293 |
508 |
438 |
36 |
23 |
0 |
0 |
| VODI |
0 |
100 |
425 |
1020 |
210 |
69 |
1 |
0 |
| ODI |
0 |
2 |
21 |
1117 |
1186 |
219 |
23 |
0 |
| CDI |
0 |
9 |
3 |
304 |
1326 |
1889 |
310 |
24 |
| VCDI |
0 |
2 |
4 |
16 |
343 |
4990 |
4659 |
644 |
|
Date: 2022-09-07:
| 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 |
14376 |
9850 |
1642 |
884 |
145 |
10 |
0 |
0 |
| OW |
0 |
75 |
253 |
582 |
86 |
10 |
0 |
0 |
| VODI |
0 |
11 |
52 |
1102 |
398 |
88 |
1 |
0 |
| ODI |
0 |
2 |
0 |
540 |
1190 |
468 |
132 |
0 |
| CDI |
0 |
5 |
0 |
86 |
1124 |
1876 |
1291 |
0 |
| VCDI |
0 |
2 |
0 |
9 |
62 |
4397 |
4469 |
648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14376 |
9607 |
1092 |
621 |
97 |
9 |
0 |
0 |
| OW |
0 |
238 |
445 |
400 |
101 |
31 |
11 |
0 |
| VODI |
0 |
88 |
354 |
890 |
276 |
46 |
47 |
0 |
| ODI |
0 |
4 |
56 |
931 |
1134 |
310 |
67 |
0 |
| CDI |
0 |
8 |
0 |
350 |
1321 |
1568 |
960 |
5 |
| VCDI |
0 |
0 |
0 |
11 |
76 |
4885 |
4808 |
643 |
|
Date: 2022-09-09:
| 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 |
14203 |
10642 |
1286 |
659 |
81 |
23 |
0 |
0 |
| OW |
0 |
123 |
461 |
505 |
76 |
4 |
0 |
0 |
| VODI |
0 |
9 |
81 |
990 |
463 |
76 |
5 |
0 |
| ODI |
0 |
1 |
1 |
498 |
840 |
629 |
91 |
0 |
| CDI |
0 |
4 |
2 |
116 |
1665 |
1758 |
1023 |
0 |
| VCDI |
0 |
2 |
0 |
8 |
167 |
4303 |
4689 |
382 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14203 |
10231 |
751 |
400 |
81 |
31 |
0 |
0 |
| OW |
0 |
366 |
486 |
344 |
65 |
21 |
14 |
0 |
| VODI |
0 |
158 |
408 |
659 |
308 |
52 |
42 |
0 |
| ODI |
0 |
19 |
176 |
864 |
885 |
352 |
76 |
0 |
| CDI |
0 |
7 |
9 |
500 |
1691 |
1375 |
569 |
0 |
| VCDI |
0 |
0 |
1 |
9 |
262 |
4962 |
5107 |
382 |
|
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