Validation of sea ice concentration - Full domain
Bulletin date: 2024-09-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-06:
| 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 |
120784 |
12976 |
74 |
31 |
0 |
0 |
0 |
0 |
| OW |
3091 |
4141 |
732 |
466 |
52 |
8 |
0 |
0 |
| VODI |
752 |
610 |
702 |
3189 |
1067 |
21 |
0 |
0 |
| ODI |
0 |
17 |
23 |
866 |
9473 |
4516 |
33 |
0 |
| CDI |
0 |
20 |
2 |
54 |
1223 |
9878 |
1357 |
0 |
| VCDI |
0 |
9 |
0 |
7 |
12 |
1623 |
3001 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-08:
| 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 |
122643 |
11240 |
64 |
14 |
0 |
0 |
0 |
0 |
| OW |
3434 |
3784 |
600 |
534 |
11 |
0 |
0 |
0 |
| VODI |
823 |
713 |
673 |
2981 |
1092 |
43 |
0 |
0 |
| ODI |
0 |
32 |
33 |
556 |
7165 |
4720 |
13 |
0 |
| CDI |
0 |
40 |
5 |
51 |
1205 |
10905 |
2295 |
0 |
| VCDI |
0 |
3 |
0 |
8 |
34 |
2510 |
2586 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-10:
| 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 |
123235 |
12666 |
121 |
12 |
0 |
0 |
0 |
0 |
| OW |
2706 |
2865 |
793 |
533 |
23 |
0 |
0 |
0 |
| VODI |
1101 |
242 |
413 |
2683 |
544 |
22 |
0 |
0 |
| ODI |
0 |
28 |
15 |
635 |
4973 |
1262 |
8 |
0 |
| CDI |
0 |
29 |
4 |
54 |
1892 |
12041 |
1769 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
47 |
3522 |
6559 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-12:
| 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 |
122524 |
13347 |
92 |
19 |
0 |
0 |
0 |
0 |
| OW |
2605 |
2803 |
746 |
561 |
20 |
0 |
0 |
0 |
| VODI |
1444 |
292 |
463 |
2388 |
703 |
83 |
0 |
0 |
| ODI |
0 |
33 |
20 |
726 |
3633 |
1329 |
32 |
0 |
| CDI |
0 |
30 |
9 |
59 |
1552 |
9575 |
1778 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
217 |
5257 |
8457 |
11 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122574 |
13409 |
160 |
33 |
0 |
0 |
0 |
0 |
| OW |
2709 |
2707 |
683 |
598 |
28 |
0 |
0 |
0 |
| VODI |
1290 |
321 |
455 |
2253 |
680 |
106 |
1 |
0 |
| ODI |
0 |
37 |
22 |
808 |
3665 |
1363 |
48 |
0 |
| CDI |
0 |
31 |
10 |
53 |
1540 |
9649 |
1945 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
212 |
5126 |
8273 |
11 |
|
Date: 2024-09-14:
| 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 |
123235 |
12633 |
150 |
76 |
3 |
0 |
0 |
0 |
| OW |
2545 |
2625 |
673 |
652 |
113 |
7 |
0 |
0 |
| VODI |
1488 |
373 |
417 |
2101 |
947 |
182 |
2 |
0 |
| ODI |
0 |
39 |
46 |
342 |
2519 |
1658 |
68 |
0 |
| CDI |
0 |
24 |
5 |
35 |
471 |
7700 |
2543 |
0 |
| VCDI |
0 |
3 |
0 |
4 |
10 |
7380 |
9741 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123314 |
12728 |
202 |
88 |
6 |
0 |
0 |
0 |
| OW |
2622 |
2504 |
610 |
698 |
82 |
9 |
0 |
0 |
| VODI |
1332 |
394 |
423 |
1974 |
956 |
167 |
2 |
0 |
| ODI |
0 |
44 |
49 |
401 |
2544 |
1877 |
76 |
0 |
| CDI |
0 |
24 |
7 |
45 |
462 |
7104 |
2445 |
0 |
| VCDI |
0 |
3 |
0 |
4 |
13 |
7770 |
9831 |
0 |
|
Date: 2024-09-16:
| 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 |
122189 |
14331 |
255 |
182 |
4 |
0 |
0 |
0 |
| OW |
2603 |
1895 |
489 |
742 |
163 |
8 |
0 |
0 |
| VODI |
1286 |
368 |
329 |
1578 |
953 |
242 |
6 |
0 |
| ODI |
0 |
13 |
22 |
368 |
2564 |
2741 |
69 |
0 |
| CDI |
0 |
20 |
2 |
22 |
227 |
12728 |
4071 |
0 |
| VCDI |
0 |
1 |
1 |
0 |
0 |
2530 |
7804 |
4 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122117 |
13784 |
195 |
182 |
4 |
0 |
0 |
0 |
| OW |
2572 |
2390 |
552 |
827 |
80 |
0 |
0 |
0 |
| VODI |
1389 |
383 |
305 |
1570 |
1180 |
239 |
0 |
0 |
| ODI |
0 |
48 |
40 |
257 |
2241 |
1506 |
77 |
0 |
| CDI |
0 |
19 |
4 |
56 |
395 |
7969 |
3636 |
0 |
| VCDI |
0 |
4 |
2 |
0 |
11 |
8535 |
8237 |
4 |
|
Date: 2024-09-18:
| 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 |
123192 |
13486 |
273 |
162 |
2 |
0 |
0 |
0 |
| OW |
2677 |
1721 |
526 |
795 |
145 |
4 |
0 |
0 |
| VODI |
1244 |
322 |
265 |
1198 |
1229 |
256 |
7 |
0 |
| ODI |
0 |
28 |
42 |
327 |
1960 |
2662 |
57 |
0 |
| CDI |
0 |
16 |
11 |
36 |
355 |
8913 |
2652 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
10 |
4131 |
11959 |
146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123008 |
12921 |
278 |
235 |
1 |
0 |
0 |
0 |
| OW |
2615 |
2118 |
499 |
782 |
233 |
11 |
0 |
0 |
| VODI |
1490 |
453 |
301 |
1155 |
1030 |
396 |
38 |
0 |
| ODI |
0 |
54 |
23 |
285 |
1770 |
1524 |
76 |
0 |
| CDI |
0 |
28 |
16 |
61 |
655 |
5256 |
2024 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
8779 |
12537 |
146 |
|
Date: 2024-09-20:
| 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 |
122651 |
13792 |
269 |
251 |
8 |
0 |
0 |
0 |
| OW |
2588 |
1517 |
501 |
955 |
323 |
23 |
0 |
0 |
| VODI |
1306 |
344 |
183 |
1134 |
1174 |
499 |
6 |
0 |
| ODI |
0 |
36 |
37 |
291 |
1710 |
1914 |
116 |
0 |
| CDI |
0 |
14 |
6 |
45 |
495 |
6201 |
2258 |
0 |
| VCDI |
0 |
2 |
0 |
1 |
22 |
5531 |
13400 |
1207 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122517 |
12970 |
282 |
348 |
119 |
5 |
0 |
0 |
| OW |
2630 |
1959 |
391 |
765 |
311 |
157 |
1 |
0 |
| VODI |
1398 |
639 |
255 |
1032 |
1007 |
531 |
45 |
0 |
| ODI |
0 |
102 |
60 |
449 |
1241 |
1078 |
210 |
0 |
| CDI |
0 |
31 |
8 |
82 |
1028 |
3925 |
2481 |
0 |
| VCDI |
0 |
4 |
0 |
1 |
26 |
8472 |
13043 |
1207 |
|
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