Validation of sea ice concentration - Full domain
Bulletin date: 2024-04-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-12:
| 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 |
62369 |
15959 |
200 |
150 |
16 |
0 |
0 |
0 |
| OW |
0 |
1664 |
431 |
669 |
104 |
1 |
0 |
0 |
| VODI |
0 |
355 |
362 |
1422 |
468 |
64 |
0 |
0 |
| ODI |
0 |
26 |
30 |
816 |
1220 |
300 |
70 |
6 |
| CDI |
0 |
12 |
18 |
328 |
2298 |
3061 |
1120 |
49 |
| VCDI |
0 |
0 |
0 |
26 |
542 |
6091 |
26966 |
67530 |
|
...date precedes bulletin
|
Date: 2024-04-14:
| 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 |
62640 |
15343 |
105 |
119 |
25 |
0 |
0 |
0 |
| OW |
0 |
2110 |
289 |
569 |
94 |
2 |
0 |
0 |
| VODI |
0 |
635 |
423 |
1232 |
609 |
94 |
2 |
0 |
| ODI |
0 |
68 |
127 |
889 |
1334 |
325 |
39 |
0 |
| CDI |
0 |
31 |
51 |
552 |
1906 |
2584 |
1100 |
15 |
| VCDI |
0 |
0 |
0 |
172 |
1013 |
5621 |
25594 |
69031 |
|
...date precedes bulletin
|
Date: 2024-04-16:
| 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 |
63441 |
15820 |
136 |
112 |
6 |
0 |
0 |
0 |
| OW |
0 |
2154 |
569 |
600 |
71 |
3 |
0 |
0 |
| VODI |
0 |
181 |
296 |
1708 |
571 |
13 |
0 |
0 |
| ODI |
0 |
38 |
24 |
619 |
1702 |
197 |
7 |
0 |
| CDI |
0 |
2 |
15 |
339 |
1768 |
2753 |
514 |
6 |
| VCDI |
0 |
0 |
1 |
207 |
744 |
4754 |
21016 |
74356 |
|
...date precedes bulletin
|
Date: 2024-04-18:
| 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 |
62927 |
16032 |
111 |
109 |
18 |
0 |
0 |
0 |
| OW |
53 |
1789 |
579 |
673 |
97 |
3 |
0 |
0 |
| VODI |
3 |
199 |
248 |
1540 |
875 |
35 |
0 |
0 |
| ODI |
0 |
31 |
44 |
585 |
1430 |
416 |
24 |
2 |
| CDI |
0 |
30 |
36 |
364 |
1726 |
2785 |
1516 |
24 |
| VCDI |
0 |
1 |
8 |
213 |
1140 |
5274 |
19932 |
73871 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62931 |
16176 |
149 |
116 |
26 |
0 |
0 |
0 |
| OW |
51 |
1645 |
533 |
716 |
99 |
0 |
0 |
0 |
| VODI |
1 |
199 |
253 |
1441 |
814 |
36 |
0 |
0 |
| ODI |
0 |
35 |
48 |
608 |
1396 |
373 |
17 |
3 |
| CDI |
0 |
26 |
32 |
389 |
1866 |
2893 |
1551 |
23 |
| VCDI |
0 |
1 |
11 |
214 |
1085 |
5211 |
19904 |
73871 |
|
Date: 2024-04-20:
| 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 |
63281 |
15315 |
75 |
150 |
28 |
0 |
0 |
0 |
| OW |
33 |
2038 |
475 |
567 |
131 |
10 |
0 |
0 |
| VODI |
2 |
336 |
230 |
1492 |
924 |
87 |
0 |
0 |
| ODI |
0 |
87 |
52 |
598 |
1263 |
576 |
15 |
0 |
| CDI |
0 |
76 |
55 |
345 |
1842 |
3094 |
1542 |
1 |
| VCDI |
0 |
26 |
43 |
340 |
1346 |
6161 |
28380 |
63727 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63282 |
15534 |
100 |
172 |
40 |
0 |
0 |
0 |
| OW |
30 |
1822 |
451 |
617 |
118 |
9 |
0 |
0 |
| VODI |
4 |
332 |
236 |
1368 |
897 |
82 |
0 |
0 |
| ODI |
0 |
89 |
48 |
620 |
1242 |
539 |
23 |
0 |
| CDI |
0 |
71 |
51 |
379 |
1902 |
3151 |
1494 |
2 |
| VCDI |
0 |
30 |
44 |
336 |
1335 |
6147 |
28420 |
63726 |
|
Date: 2024-04-22:
| 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 |
63744 |
15353 |
48 |
166 |
29 |
0 |
0 |
0 |
| OW |
55 |
2184 |
675 |
453 |
110 |
5 |
0 |
0 |
| VODI |
9 |
105 |
177 |
1939 |
651 |
34 |
0 |
0 |
| ODI |
0 |
57 |
31 |
510 |
1993 |
235 |
2 |
0 |
| CDI |
0 |
95 |
63 |
289 |
1971 |
5063 |
568 |
4 |
| VCDI |
0 |
1 |
2 |
57 |
699 |
6131 |
28562 |
62673 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63785 |
14684 |
85 |
205 |
44 |
3 |
0 |
0 |
| OW |
23 |
1931 |
353 |
550 |
235 |
8 |
0 |
0 |
| VODI |
0 |
705 |
308 |
1293 |
755 |
120 |
2 |
0 |
| ODI |
0 |
196 |
111 |
657 |
1235 |
443 |
87 |
0 |
| CDI |
0 |
161 |
78 |
481 |
1996 |
3319 |
1008 |
6 |
| VCDI |
0 |
118 |
61 |
228 |
1188 |
7575 |
28035 |
62671 |
|
Date: 2024-04-24:
| 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 |
64612 |
15119 |
116 |
116 |
6 |
0 |
0 |
0 |
| OW |
60 |
2346 |
415 |
438 |
104 |
1 |
0 |
0 |
| VODI |
0 |
468 |
342 |
1619 |
494 |
42 |
0 |
0 |
| ODI |
0 |
126 |
55 |
756 |
1293 |
199 |
2 |
0 |
| CDI |
0 |
175 |
118 |
619 |
2495 |
3665 |
678 |
14 |
| VCDI |
0 |
0 |
10 |
246 |
1424 |
6564 |
24431 |
65575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64668 |
14306 |
126 |
130 |
11 |
0 |
0 |
0 |
| OW |
4 |
2062 |
299 |
583 |
173 |
12 |
0 |
0 |
| VODI |
0 |
1034 |
289 |
1217 |
524 |
91 |
0 |
0 |
| ODI |
0 |
335 |
140 |
657 |
1048 |
271 |
36 |
0 |
| CDI |
0 |
403 |
136 |
788 |
2418 |
2700 |
1032 |
7 |
| VCDI |
0 |
94 |
66 |
419 |
1642 |
7397 |
24043 |
65582 |
|
Date: 2024-04-26:
| 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 |
65075 |
14938 |
121 |
137 |
5 |
0 |
0 |
0 |
| OW |
4 |
2335 |
373 |
468 |
83 |
0 |
0 |
0 |
| VODI |
0 |
729 |
306 |
1356 |
508 |
40 |
0 |
0 |
| ODI |
0 |
277 |
119 |
894 |
974 |
263 |
30 |
4 |
| CDI |
0 |
229 |
134 |
915 |
2550 |
3934 |
1045 |
39 |
| VCDI |
0 |
12 |
20 |
544 |
2130 |
6546 |
27334 |
60272 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65072 |
14136 |
145 |
130 |
20 |
3 |
0 |
0 |
| OW |
7 |
2094 |
297 |
600 |
185 |
19 |
0 |
0 |
| VODI |
0 |
1247 |
281 |
992 |
410 |
77 |
4 |
0 |
| ODI |
0 |
451 |
124 |
939 |
894 |
255 |
78 |
4 |
| CDI |
0 |
512 |
140 |
941 |
2296 |
3080 |
1217 |
49 |
| VCDI |
0 |
80 |
86 |
712 |
2445 |
7349 |
27110 |
60262 |
|
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