Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-09
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-03:
| 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 |
108006 |
11381 |
494 |
796 |
63 |
32 |
0 |
0 |
| OW |
20 |
808 |
362 |
903 |
538 |
57 |
0 |
0 |
| VODI |
2 |
97 |
118 |
920 |
997 |
347 |
3 |
0 |
| ODI |
0 |
3 |
16 |
383 |
1155 |
588 |
85 |
0 |
| CDI |
0 |
0 |
0 |
137 |
1430 |
1248 |
318 |
7 |
| VCDI |
0 |
0 |
0 |
16 |
1152 |
6873 |
20595 |
34793 |
|
...date precedes bulletin
|
Date: 2023-11-05:
| 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 |
105776 |
11959 |
485 |
782 |
115 |
0 |
0 |
0 |
| OW |
26 |
1046 |
288 |
868 |
432 |
35 |
0 |
0 |
| VODI |
10 |
250 |
247 |
851 |
904 |
266 |
0 |
0 |
| ODI |
0 |
29 |
38 |
397 |
980 |
596 |
54 |
0 |
| CDI |
0 |
2 |
9 |
175 |
1061 |
1874 |
493 |
28 |
| VCDI |
0 |
0 |
4 |
77 |
597 |
8210 |
21396 |
34383 |
|
...date precedes bulletin
|
Date: 2023-11-07:
| 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 |
106043 |
10920 |
518 |
507 |
82 |
0 |
0 |
0 |
| OW |
84 |
876 |
392 |
978 |
159 |
29 |
0 |
0 |
| VODI |
9 |
74 |
126 |
1344 |
599 |
21 |
0 |
0 |
| ODI |
0 |
6 |
1 |
415 |
1296 |
252 |
0 |
4 |
| CDI |
0 |
1 |
0 |
121 |
940 |
1934 |
236 |
47 |
| VCDI |
0 |
0 |
0 |
18 |
335 |
6470 |
22285 |
37621 |
|
...date precedes bulletin
|
Date: 2023-11-09:
| 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 |
103680 |
11238 |
449 |
867 |
61 |
0 |
0 |
0 |
| OW |
87 |
797 |
260 |
1238 |
381 |
42 |
0 |
0 |
| VODI |
3 |
170 |
139 |
986 |
955 |
68 |
7 |
0 |
| ODI |
0 |
57 |
19 |
404 |
1152 |
295 |
4 |
0 |
| CDI |
0 |
6 |
4 |
132 |
904 |
1813 |
392 |
2 |
| VCDI |
0 |
0 |
0 |
42 |
402 |
5833 |
24998 |
36856 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103659 |
11254 |
453 |
951 |
110 |
2 |
0 |
0 |
| OW |
107 |
780 |
248 |
1179 |
366 |
31 |
0 |
0 |
| VODI |
4 |
168 |
144 |
937 |
987 |
79 |
7 |
0 |
| ODI |
0 |
55 |
20 |
396 |
1125 |
312 |
3 |
0 |
| CDI |
0 |
11 |
6 |
168 |
856 |
1724 |
323 |
2 |
| VCDI |
0 |
0 |
0 |
38 |
411 |
5903 |
25068 |
36856 |
|
Date: 2023-11-11:
| 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 |
102090 |
11442 |
348 |
446 |
52 |
0 |
0 |
0 |
| OW |
157 |
1078 |
422 |
1238 |
262 |
44 |
0 |
0 |
| VODI |
28 |
266 |
167 |
1190 |
859 |
145 |
4 |
0 |
| ODI |
0 |
36 |
17 |
598 |
893 |
361 |
0 |
0 |
| CDI |
0 |
13 |
1 |
239 |
974 |
1385 |
259 |
20 |
| VCDI |
0 |
1 |
0 |
49 |
630 |
5346 |
24926 |
38757 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102072 |
11439 |
380 |
568 |
69 |
0 |
0 |
0 |
| OW |
154 |
1047 |
367 |
1107 |
316 |
50 |
0 |
0 |
| VODI |
49 |
300 |
184 |
1167 |
852 |
127 |
4 |
0 |
| ODI |
0 |
37 |
23 |
593 |
887 |
441 |
0 |
0 |
| CDI |
0 |
13 |
1 |
242 |
935 |
1313 |
273 |
15 |
| VCDI |
0 |
0 |
0 |
83 |
611 |
5350 |
24912 |
38762 |
|
Date: 2023-11-13:
| 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 |
101302 |
11655 |
340 |
329 |
30 |
0 |
0 |
0 |
| OW |
117 |
1126 |
472 |
757 |
142 |
14 |
0 |
0 |
| VODI |
25 |
131 |
86 |
1798 |
676 |
45 |
0 |
0 |
| ODI |
0 |
15 |
1 |
371 |
2011 |
178 |
0 |
0 |
| CDI |
0 |
2 |
1 |
56 |
1052 |
2224 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
427 |
5858 |
25869 |
37563 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101228 |
11230 |
380 |
461 |
35 |
0 |
0 |
0 |
| OW |
182 |
1063 |
285 |
959 |
369 |
38 |
0 |
0 |
| VODI |
34 |
521 |
171 |
1051 |
995 |
78 |
0 |
0 |
| ODI |
0 |
98 |
55 |
485 |
1169 |
417 |
0 |
0 |
| CDI |
0 |
15 |
9 |
294 |
1050 |
1491 |
89 |
0 |
| VCDI |
0 |
2 |
0 |
63 |
720 |
6295 |
25848 |
37563 |
|
Date: 2023-11-15:
| 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 |
98756 |
12833 |
459 |
731 |
181 |
0 |
0 |
0 |
| OW |
65 |
659 |
340 |
898 |
432 |
15 |
0 |
0 |
| VODI |
5 |
159 |
113 |
929 |
1159 |
50 |
0 |
0 |
| ODI |
0 |
14 |
21 |
345 |
1579 |
313 |
0 |
0 |
| CDI |
0 |
1 |
2 |
105 |
1273 |
2271 |
49 |
1 |
| VCDI |
0 |
0 |
0 |
65 |
559 |
6287 |
25352 |
38722 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98714 |
12347 |
348 |
658 |
181 |
0 |
0 |
0 |
| OW |
105 |
850 |
307 |
762 |
546 |
39 |
0 |
0 |
| VODI |
7 |
356 |
206 |
827 |
1275 |
178 |
0 |
0 |
| ODI |
0 |
93 |
54 |
500 |
1273 |
534 |
0 |
0 |
| CDI |
0 |
18 |
15 |
224 |
1303 |
1750 |
42 |
3 |
| VCDI |
0 |
2 |
5 |
102 |
605 |
6435 |
25359 |
38720 |
|
Date: 2023-11-17:
| 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 |
97283 |
12912 |
369 |
570 |
154 |
0 |
0 |
0 |
| OW |
171 |
597 |
339 |
899 |
580 |
57 |
0 |
0 |
| VODI |
33 |
111 |
75 |
788 |
1116 |
107 |
0 |
0 |
| ODI |
0 |
20 |
25 |
237 |
1400 |
369 |
2 |
0 |
| CDI |
0 |
9 |
7 |
150 |
1312 |
2488 |
196 |
10 |
| VCDI |
0 |
0 |
0 |
145 |
426 |
5434 |
25162 |
41190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97198 |
12486 |
356 |
700 |
244 |
7 |
0 |
0 |
| OW |
252 |
807 |
269 |
569 |
489 |
113 |
0 |
0 |
| VODI |
35 |
266 |
126 |
799 |
1251 |
190 |
3 |
0 |
| ODI |
2 |
60 |
36 |
359 |
1362 |
705 |
53 |
1 |
| CDI |
0 |
23 |
21 |
175 |
1157 |
2072 |
134 |
11 |
| VCDI |
0 |
7 |
7 |
187 |
485 |
5368 |
25170 |
41188 |
|
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