Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-21:
| 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 |
102400 |
21226 |
1702 |
916 |
378 |
69 |
0 |
0 |
| OW |
19 |
1413 |
674 |
1044 |
518 |
38 |
5 |
0 |
| VODI |
0 |
481 |
333 |
1050 |
1209 |
268 |
0 |
0 |
| ODI |
0 |
34 |
114 |
553 |
1189 |
800 |
8 |
0 |
| CDI |
0 |
14 |
55 |
291 |
852 |
1745 |
144 |
0 |
| VCDI |
0 |
2 |
12 |
129 |
574 |
6810 |
22981 |
16998 |
|
...date precedes bulletin
|
Date: 2022-10-23:
| 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 |
101045 |
20626 |
1337 |
1157 |
535 |
71 |
0 |
0 |
| OW |
17 |
1435 |
707 |
1048 |
778 |
111 |
0 |
0 |
| VODI |
0 |
324 |
493 |
957 |
1432 |
491 |
15 |
0 |
| ODI |
0 |
37 |
118 |
441 |
878 |
1016 |
88 |
0 |
| CDI |
0 |
10 |
48 |
284 |
726 |
1884 |
381 |
0 |
| VCDI |
0 |
1 |
22 |
175 |
563 |
5378 |
23916 |
18503 |
|
...date precedes bulletin
|
Date: 2022-10-25:
| 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 |
97431 |
22984 |
1749 |
1352 |
436 |
86 |
0 |
0 |
| OW |
55 |
727 |
472 |
1070 |
567 |
80 |
4 |
0 |
| VODI |
0 |
153 |
323 |
861 |
1455 |
258 |
11 |
0 |
| ODI |
0 |
13 |
55 |
200 |
1505 |
1141 |
48 |
0 |
| CDI |
0 |
2 |
24 |
134 |
672 |
2673 |
420 |
0 |
| VCDI |
0 |
1 |
2 |
104 |
410 |
5149 |
23226 |
21195 |
|
...date precedes bulletin
|
Date: 2022-10-27:
| 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 |
95393 |
21812 |
2071 |
864 |
751 |
352 |
2 |
0 |
| OW |
24 |
859 |
453 |
1049 |
805 |
273 |
13 |
0 |
| VODI |
13 |
189 |
214 |
782 |
1637 |
672 |
18 |
0 |
| ODI |
0 |
21 |
46 |
244 |
1135 |
1159 |
83 |
0 |
| CDI |
0 |
3 |
13 |
146 |
741 |
2180 |
449 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
396 |
4678 |
22908 |
24576 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95391 |
22025 |
2133 |
1041 |
856 |
374 |
4 |
0 |
| OW |
24 |
643 |
379 |
902 |
727 |
248 |
10 |
0 |
| VODI |
15 |
186 |
224 |
754 |
1569 |
631 |
19 |
0 |
| ODI |
0 |
28 |
50 |
253 |
1185 |
1071 |
71 |
0 |
| CDI |
0 |
2 |
10 |
129 |
711 |
2221 |
612 |
0 |
| VCDI |
0 |
0 |
1 |
30 |
417 |
4769 |
22757 |
24576 |
|
Date: 2022-10-29:
| 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 |
92353 |
21944 |
2655 |
666 |
483 |
309 |
2 |
0 |
| OW |
30 |
726 |
660 |
1281 |
839 |
490 |
70 |
0 |
| VODI |
16 |
204 |
239 |
575 |
1158 |
1245 |
70 |
0 |
| ODI |
7 |
48 |
79 |
236 |
798 |
1526 |
296 |
0 |
| CDI |
0 |
22 |
42 |
181 |
468 |
1661 |
862 |
0 |
| VCDI |
0 |
9 |
53 |
124 |
526 |
4698 |
24697 |
24700 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92343 |
22061 |
2775 |
1116 |
636 |
359 |
8 |
0 |
| OW |
42 |
599 |
537 |
815 |
671 |
439 |
57 |
0 |
| VODI |
20 |
221 |
241 |
560 |
1218 |
1286 |
67 |
0 |
| ODI |
1 |
44 |
81 |
269 |
714 |
1451 |
286 |
0 |
| CDI |
0 |
23 |
42 |
177 |
457 |
1705 |
933 |
0 |
| VCDI |
0 |
5 |
52 |
126 |
576 |
4689 |
24646 |
24700 |
|
Date: 2022-10-31:
| 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 |
93539 |
20760 |
1932 |
1007 |
209 |
33 |
2 |
0 |
| OW |
35 |
371 |
354 |
747 |
228 |
109 |
1 |
0 |
| VODI |
1 |
153 |
180 |
849 |
876 |
283 |
8 |
0 |
| ODI |
0 |
41 |
46 |
278 |
1390 |
1306 |
71 |
0 |
| CDI |
0 |
38 |
22 |
45 |
606 |
3983 |
933 |
0 |
| VCDI |
0 |
10 |
89 |
85 |
241 |
3855 |
26633 |
25699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93532 |
20350 |
1792 |
1367 |
502 |
320 |
5 |
0 |
| OW |
30 |
553 |
402 |
691 |
769 |
537 |
55 |
0 |
| VODI |
13 |
286 |
175 |
488 |
876 |
1307 |
169 |
0 |
| ODI |
0 |
90 |
83 |
167 |
528 |
1729 |
441 |
0 |
| CDI |
0 |
56 |
53 |
155 |
394 |
1596 |
855 |
0 |
| VCDI |
0 |
38 |
118 |
143 |
481 |
4080 |
26123 |
25699 |
|
Date: 2022-11-02:
| 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 |
82500 |
28814 |
3578 |
950 |
290 |
40 |
2 |
0 |
| OW |
48 |
411 |
380 |
761 |
423 |
123 |
7 |
0 |
| VODI |
7 |
221 |
195 |
658 |
745 |
416 |
15 |
0 |
| ODI |
0 |
87 |
55 |
261 |
902 |
963 |
100 |
0 |
| CDI |
0 |
49 |
48 |
141 |
1099 |
2417 |
502 |
12 |
| VCDI |
0 |
14 |
79 |
164 |
782 |
7426 |
24732 |
26631 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82497 |
28143 |
3195 |
1026 |
477 |
221 |
12 |
0 |
| OW |
30 |
917 |
631 |
933 |
730 |
489 |
21 |
0 |
| VODI |
25 |
306 |
205 |
425 |
939 |
1180 |
130 |
0 |
| ODI |
3 |
109 |
117 |
144 |
684 |
1753 |
323 |
1 |
| CDI |
0 |
78 |
61 |
189 |
610 |
1615 |
815 |
40 |
| VCDI |
0 |
43 |
126 |
218 |
801 |
6127 |
24057 |
26602 |
|
Date: 2022-11-04:
| 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 |
87958 |
23117 |
1892 |
620 |
207 |
40 |
7 |
0 |
| OW |
59 |
722 |
546 |
933 |
841 |
172 |
11 |
0 |
| VODI |
19 |
233 |
168 |
328 |
552 |
784 |
22 |
0 |
| ODI |
2 |
115 |
96 |
273 |
428 |
887 |
186 |
0 |
| CDI |
0 |
78 |
48 |
220 |
647 |
1611 |
641 |
0 |
| VCDI |
0 |
74 |
51 |
215 |
683 |
6836 |
24989 |
29737 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87961 |
22117 |
1556 |
430 |
245 |
207 |
20 |
0 |
| OW |
55 |
1043 |
397 |
821 |
785 |
610 |
111 |
0 |
| VODI |
17 |
759 |
544 |
587 |
837 |
1208 |
294 |
0 |
| ODI |
0 |
198 |
145 |
273 |
590 |
1647 |
547 |
0 |
| CDI |
5 |
97 |
82 |
215 |
424 |
1782 |
1105 |
9 |
| VCDI |
0 |
125 |
77 |
263 |
477 |
4876 |
23779 |
29728 |
|
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