Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-01:
| 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 |
114454 |
12272 |
488 |
616 |
71 |
0 |
0 |
0 |
| OW |
9 |
1027 |
360 |
1072 |
264 |
5 |
0 |
0 |
| VODI |
3 |
186 |
186 |
1012 |
813 |
113 |
3 |
0 |
| ODI |
0 |
17 |
29 |
392 |
1017 |
467 |
25 |
0 |
| CDI |
0 |
6 |
8 |
216 |
1469 |
2291 |
428 |
0 |
| VCDI |
0 |
1 |
0 |
17 |
503 |
10454 |
25600 |
18849 |
|
...date precedes bulletin
|
Date: 2024-11-03:
| 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 |
113029 |
12244 |
430 |
468 |
47 |
0 |
0 |
0 |
| OW |
35 |
1115 |
412 |
1213 |
346 |
14 |
0 |
0 |
| VODI |
3 |
237 |
242 |
1065 |
796 |
168 |
0 |
0 |
| ODI |
0 |
7 |
30 |
486 |
941 |
572 |
4 |
0 |
| CDI |
0 |
0 |
1 |
250 |
1364 |
2161 |
244 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
555 |
9863 |
23206 |
23165 |
|
...date precedes bulletin
|
Date: 2024-11-05:
| 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 |
111899 |
11146 |
542 |
798 |
64 |
0 |
0 |
0 |
| OW |
23 |
714 |
444 |
1347 |
158 |
0 |
0 |
0 |
| VODI |
12 |
9 |
45 |
1585 |
1034 |
22 |
0 |
0 |
| ODI |
0 |
0 |
0 |
263 |
1770 |
331 |
0 |
0 |
| CDI |
0 |
0 |
0 |
76 |
1366 |
2823 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
430 |
10641 |
20798 |
26264 |
|
...date precedes bulletin
|
Date: 2024-11-07:
| 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 |
110522 |
11205 |
348 |
721 |
142 |
4 |
0 |
0 |
| OW |
26 |
717 |
370 |
1132 |
520 |
40 |
0 |
0 |
| VODI |
7 |
153 |
109 |
1090 |
1190 |
308 |
0 |
0 |
| ODI |
6 |
11 |
9 |
349 |
1146 |
533 |
5 |
0 |
| CDI |
0 |
5 |
0 |
90 |
1175 |
2456 |
88 |
0 |
| VCDI |
0 |
2 |
2 |
82 |
787 |
9691 |
21510 |
28192 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
110521 |
11292 |
392 |
851 |
159 |
0 |
0 |
0 |
| OW |
27 |
673 |
369 |
1124 |
579 |
43 |
0 |
0 |
| VODI |
12 |
118 |
70 |
995 |
1190 |
332 |
0 |
0 |
| ODI |
1 |
4 |
5 |
328 |
1135 |
559 |
6 |
0 |
| CDI |
0 |
4 |
0 |
82 |
1091 |
2393 |
103 |
0 |
| VCDI |
0 |
2 |
2 |
84 |
806 |
9705 |
21494 |
28192 |
|
Date: 2024-11-09:
| 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 |
108762 |
11149 |
555 |
890 |
51 |
0 |
0 |
0 |
| OW |
11 |
816 |
289 |
957 |
503 |
28 |
0 |
0 |
| VODI |
3 |
146 |
148 |
861 |
969 |
499 |
7 |
0 |
| ODI |
0 |
30 |
20 |
405 |
893 |
909 |
29 |
0 |
| CDI |
0 |
26 |
6 |
156 |
969 |
2306 |
214 |
0 |
| VCDI |
0 |
3 |
7 |
56 |
147 |
6174 |
21768 |
33981 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108753 |
11202 |
590 |
1035 |
115 |
0 |
0 |
0 |
| OW |
20 |
787 |
260 |
861 |
477 |
33 |
0 |
0 |
| VODI |
3 |
127 |
148 |
864 |
1016 |
528 |
6 |
0 |
| ODI |
0 |
25 |
13 |
366 |
846 |
896 |
26 |
0 |
| CDI |
0 |
18 |
8 |
135 |
918 |
2258 |
276 |
0 |
| VCDI |
0 |
11 |
6 |
64 |
160 |
6201 |
21710 |
33981 |
|
Date: 2024-11-11:
| 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 |
107005 |
11311 |
463 |
802 |
86 |
0 |
0 |
0 |
| OW |
61 |
766 |
394 |
871 |
177 |
0 |
0 |
0 |
| VODI |
10 |
28 |
57 |
1132 |
778 |
20 |
0 |
0 |
| ODI |
0 |
9 |
4 |
224 |
1821 |
235 |
8 |
0 |
| CDI |
0 |
4 |
1 |
50 |
1085 |
3480 |
110 |
2 |
| VCDI |
0 |
0 |
0 |
9 |
131 |
4483 |
22219 |
36907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106989 |
10931 |
475 |
1045 |
178 |
2 |
0 |
0 |
| OW |
73 |
905 |
245 |
860 |
509 |
22 |
0 |
0 |
| VODI |
14 |
198 |
148 |
688 |
1113 |
303 |
2 |
0 |
| ODI |
0 |
40 |
28 |
287 |
878 |
942 |
65 |
0 |
| CDI |
0 |
25 |
17 |
160 |
1084 |
1946 |
274 |
10 |
| VCDI |
0 |
19 |
6 |
48 |
316 |
5003 |
21996 |
36899 |
|
Date: 2024-11-13:
| 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 |
106203 |
11101 |
439 |
658 |
236 |
0 |
0 |
0 |
| OW |
72 |
817 |
381 |
986 |
210 |
5 |
0 |
0 |
| VODI |
5 |
124 |
125 |
1072 |
584 |
56 |
0 |
0 |
| ODI |
0 |
21 |
16 |
411 |
932 |
236 |
14 |
0 |
| CDI |
0 |
7 |
1 |
119 |
1090 |
2030 |
367 |
2 |
| VCDI |
0 |
4 |
1 |
15 |
458 |
6857 |
19884 |
39204 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106136 |
10229 |
381 |
628 |
270 |
0 |
0 |
0 |
| OW |
122 |
1314 |
321 |
963 |
333 |
29 |
0 |
0 |
| VODI |
21 |
337 |
179 |
958 |
869 |
217 |
6 |
0 |
| ODI |
1 |
121 |
43 |
423 |
685 |
807 |
61 |
0 |
| CDI |
0 |
34 |
33 |
258 |
969 |
2190 |
538 |
1 |
| VCDI |
0 |
39 |
6 |
31 |
384 |
5941 |
19660 |
39205 |
|
Date: 2024-11-15:
| 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 |
106056 |
10091 |
408 |
585 |
79 |
0 |
0 |
0 |
| OW |
115 |
1137 |
340 |
1080 |
335 |
0 |
0 |
0 |
| VODI |
18 |
291 |
223 |
951 |
646 |
22 |
0 |
0 |
| ODI |
1 |
49 |
50 |
461 |
887 |
136 |
12 |
3 |
| CDI |
0 |
39 |
18 |
240 |
1069 |
1075 |
136 |
11 |
| VCDI |
0 |
19 |
16 |
96 |
525 |
6012 |
19895 |
41616 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105899 |
9337 |
365 |
600 |
153 |
0 |
0 |
0 |
| OW |
218 |
1174 |
332 |
1113 |
423 |
2 |
0 |
0 |
| VODI |
70 |
589 |
152 |
887 |
1079 |
145 |
17 |
0 |
| ODI |
3 |
266 |
58 |
277 |
699 |
555 |
72 |
0 |
| CDI |
0 |
225 |
126 |
371 |
618 |
1450 |
551 |
55 |
| VCDI |
0 |
35 |
22 |
165 |
569 |
5093 |
19403 |
41575 |
|
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