Validation of sea ice concentration - Full domain
Bulletin date: 2023-12-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-08:
| 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 |
80732 |
15161 |
839 |
1509 |
487 |
285 |
181 |
9 |
| OW |
152 |
1123 |
336 |
1049 |
461 |
60 |
12 |
13 |
| VODI |
16 |
474 |
139 |
792 |
791 |
232 |
4 |
7 |
| ODI |
3 |
101 |
40 |
425 |
548 |
579 |
6 |
4 |
| CDI |
0 |
9 |
8 |
156 |
715 |
1541 |
96 |
24 |
| VCDI |
0 |
7 |
13 |
73 |
509 |
3776 |
21555 |
51996 |
|
...date precedes bulletin
|
Date: 2023-12-10:
| 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 |
80206 |
13761 |
870 |
1437 |
578 |
337 |
173 |
5 |
| OW |
144 |
1055 |
262 |
1240 |
809 |
101 |
10 |
12 |
| VODI |
0 |
562 |
217 |
854 |
953 |
316 |
8 |
9 |
| ODI |
0 |
88 |
57 |
366 |
805 |
502 |
7 |
6 |
| CDI |
0 |
17 |
6 |
243 |
744 |
1325 |
144 |
8 |
| VCDI |
0 |
19 |
14 |
136 |
694 |
3925 |
19452 |
54571 |
|
...date precedes bulletin
|
Date: 2023-12-12:
| 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 |
78400 |
14829 |
1060 |
1650 |
449 |
248 |
144 |
0 |
| OW |
113 |
546 |
345 |
1213 |
362 |
47 |
10 |
0 |
| VODI |
7 |
265 |
161 |
1165 |
841 |
133 |
21 |
0 |
| ODI |
0 |
55 |
47 |
474 |
1115 |
463 |
20 |
0 |
| CDI |
0 |
13 |
19 |
259 |
1166 |
1615 |
138 |
20 |
| VCDI |
0 |
2 |
14 |
162 |
840 |
5402 |
19607 |
53608 |
|
...date precedes bulletin
|
Date: 2023-12-14:
| 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 |
78278 |
13892 |
771 |
1383 |
448 |
259 |
110 |
0 |
| OW |
58 |
666 |
337 |
1041 |
497 |
156 |
9 |
0 |
| VODI |
0 |
295 |
181 |
1070 |
779 |
294 |
14 |
0 |
| ODI |
0 |
76 |
50 |
684 |
1056 |
350 |
20 |
0 |
| CDI |
0 |
31 |
23 |
372 |
1151 |
881 |
94 |
8 |
| VCDI |
0 |
31 |
33 |
186 |
1351 |
7072 |
18835 |
54206 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78271 |
13974 |
787 |
1450 |
530 |
305 |
109 |
0 |
| OW |
65 |
572 |
294 |
971 |
455 |
121 |
9 |
0 |
| VODI |
0 |
311 |
206 |
1080 |
755 |
307 |
15 |
0 |
| ODI |
0 |
66 |
50 |
696 |
1086 |
412 |
24 |
0 |
| CDI |
0 |
32 |
23 |
347 |
1111 |
781 |
105 |
9 |
| VCDI |
0 |
36 |
35 |
192 |
1345 |
7086 |
18820 |
54205 |
|
Date: 2023-12-16:
| 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 |
75736 |
15484 |
934 |
1109 |
694 |
201 |
180 |
0 |
| OW |
65 |
719 |
177 |
1025 |
717 |
154 |
21 |
0 |
| VODI |
0 |
428 |
202 |
802 |
884 |
476 |
38 |
0 |
| ODI |
0 |
96 |
104 |
453 |
796 |
452 |
65 |
0 |
| CDI |
0 |
32 |
42 |
350 |
1033 |
908 |
289 |
6 |
| VCDI |
0 |
38 |
37 |
321 |
1424 |
7793 |
18686 |
54077 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75733 |
15516 |
971 |
1299 |
832 |
244 |
180 |
0 |
| OW |
67 |
707 |
139 |
880 |
573 |
145 |
32 |
0 |
| VODI |
1 |
415 |
216 |
773 |
895 |
464 |
46 |
0 |
| ODI |
0 |
80 |
85 |
456 |
798 |
497 |
114 |
0 |
| CDI |
0 |
36 |
42 |
319 |
1007 |
850 |
371 |
5 |
| VCDI |
0 |
43 |
43 |
333 |
1443 |
7784 |
18536 |
54078 |
|
Date: 2023-12-18:
| 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 |
78299 |
12407 |
568 |
970 |
511 |
583 |
221 |
0 |
| OW |
73 |
498 |
175 |
833 |
462 |
321 |
35 |
0 |
| VODI |
0 |
249 |
162 |
898 |
534 |
650 |
23 |
0 |
| ODI |
0 |
125 |
116 |
615 |
697 |
605 |
65 |
0 |
| CDI |
0 |
54 |
49 |
386 |
760 |
962 |
282 |
5 |
| VCDI |
0 |
47 |
50 |
366 |
1546 |
8416 |
18570 |
54860 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78301 |
12436 |
566 |
953 |
612 |
565 |
223 |
0 |
| OW |
71 |
442 |
190 |
761 |
339 |
316 |
34 |
0 |
| VODI |
0 |
319 |
202 |
1025 |
569 |
703 |
22 |
0 |
| ODI |
0 |
93 |
80 |
648 |
771 |
717 |
69 |
0 |
| CDI |
0 |
44 |
37 |
375 |
765 |
966 |
300 |
8 |
| VCDI |
0 |
46 |
45 |
306 |
1454 |
8270 |
18548 |
54857 |
|
Date: 2023-12-20:
| 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 |
77379 |
12062 |
588 |
933 |
492 |
407 |
115 |
0 |
| OW |
97 |
550 |
166 |
685 |
370 |
273 |
10 |
0 |
| VODI |
6 |
232 |
83 |
708 |
811 |
775 |
67 |
0 |
| ODI |
0 |
85 |
70 |
434 |
782 |
557 |
175 |
0 |
| CDI |
0 |
61 |
60 |
303 |
956 |
956 |
485 |
15 |
| VCDI |
0 |
38 |
52 |
428 |
1529 |
8116 |
20951 |
54186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77388 |
12047 |
585 |
895 |
571 |
508 |
119 |
0 |
| OW |
94 |
553 |
147 |
672 |
305 |
334 |
10 |
0 |
| VODI |
0 |
237 |
122 |
752 |
819 |
692 |
107 |
0 |
| ODI |
0 |
137 |
74 |
532 |
744 |
612 |
258 |
0 |
| CDI |
0 |
46 |
42 |
264 |
998 |
885 |
461 |
8 |
| VCDI |
0 |
8 |
49 |
376 |
1503 |
8053 |
20848 |
54193 |
|
Date: 2023-12-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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