Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-04
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-29:
| 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 |
73972 |
13864 |
317 |
321 |
8 |
0 |
0 |
0 |
| OW |
201 |
1501 |
261 |
616 |
163 |
17 |
0 |
0 |
| VODI |
10 |
606 |
221 |
1022 |
809 |
204 |
15 |
0 |
| ODI |
0 |
259 |
79 |
552 |
1291 |
529 |
62 |
0 |
| CDI |
0 |
124 |
71 |
310 |
1523 |
1918 |
698 |
0 |
| VCDI |
10 |
42 |
56 |
375 |
1323 |
8197 |
24599 |
58597 |
|
...date precedes bulletin
|
Date: 2023-12-31:
| 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 |
73794 |
13585 |
260 |
321 |
29 |
0 |
0 |
0 |
| OW |
126 |
1677 |
232 |
466 |
142 |
2 |
0 |
0 |
| VODI |
3 |
768 |
289 |
826 |
706 |
126 |
23 |
0 |
| ODI |
0 |
262 |
125 |
667 |
1008 |
363 |
95 |
0 |
| CDI |
0 |
143 |
98 |
649 |
1465 |
1808 |
675 |
21 |
| VCDI |
0 |
64 |
80 |
500 |
1683 |
8256 |
21328 |
62078 |
|
...date precedes bulletin
|
Date: 2024-01-02:
| 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 |
73354 |
14299 |
256 |
229 |
0 |
0 |
0 |
0 |
| OW |
239 |
1493 |
420 |
600 |
80 |
0 |
0 |
0 |
| VODI |
48 |
289 |
223 |
1102 |
564 |
25 |
0 |
0 |
| ODI |
6 |
82 |
58 |
660 |
958 |
228 |
0 |
0 |
| CDI |
0 |
20 |
32 |
614 |
1626 |
2409 |
376 |
2 |
| VCDI |
0 |
3 |
2 |
169 |
1305 |
8778 |
25819 |
58375 |
|
...date precedes bulletin
|
Date: 2024-01-04:
| 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 |
71784 |
14716 |
384 |
372 |
12 |
0 |
0 |
0 |
| OW |
212 |
1012 |
400 |
862 |
158 |
0 |
0 |
0 |
| VODI |
167 |
318 |
176 |
983 |
698 |
18 |
0 |
0 |
| ODI |
13 |
120 |
53 |
505 |
1025 |
146 |
0 |
0 |
| CDI |
0 |
94 |
25 |
356 |
1776 |
2095 |
524 |
13 |
| VCDI |
0 |
31 |
26 |
297 |
1434 |
9382 |
29860 |
54696 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71778 |
14763 |
404 |
373 |
12 |
0 |
0 |
0 |
| OW |
230 |
987 |
401 |
910 |
157 |
0 |
0 |
0 |
| VODI |
163 |
306 |
159 |
941 |
714 |
27 |
0 |
0 |
| ODI |
5 |
127 |
53 |
500 |
1001 |
134 |
0 |
0 |
| CDI |
0 |
81 |
24 |
350 |
1759 |
2219 |
560 |
12 |
| VCDI |
0 |
27 |
23 |
301 |
1460 |
9261 |
29824 |
54697 |
|
Date: 2024-01-06:
| 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 |
69028 |
15858 |
363 |
568 |
64 |
0 |
0 |
0 |
| OW |
49 |
1162 |
339 |
814 |
192 |
6 |
0 |
0 |
| VODI |
33 |
474 |
161 |
872 |
610 |
97 |
0 |
0 |
| ODI |
24 |
170 |
41 |
440 |
920 |
488 |
10 |
0 |
| CDI |
0 |
125 |
53 |
371 |
1182 |
2311 |
879 |
30 |
| VCDI |
0 |
19 |
31 |
223 |
1492 |
9242 |
27448 |
58554 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69031 |
15907 |
374 |
587 |
72 |
0 |
0 |
0 |
| OW |
51 |
1132 |
343 |
852 |
183 |
10 |
0 |
0 |
| VODI |
34 |
470 |
151 |
834 |
635 |
89 |
0 |
0 |
| ODI |
18 |
161 |
37 |
432 |
855 |
481 |
6 |
0 |
| CDI |
0 |
129 |
57 |
354 |
1204 |
2301 |
1018 |
34 |
| VCDI |
0 |
9 |
26 |
229 |
1511 |
9263 |
27313 |
58550 |
|
Date: 2024-01-08:
| 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 |
71187 |
14373 |
261 |
248 |
19 |
0 |
0 |
0 |
| OW |
469 |
1177 |
454 |
724 |
52 |
0 |
0 |
0 |
| VODI |
50 |
205 |
136 |
1282 |
479 |
9 |
0 |
0 |
| ODI |
7 |
22 |
20 |
386 |
1217 |
97 |
0 |
0 |
| CDI |
3 |
4 |
4 |
237 |
1322 |
2627 |
442 |
25 |
| VCDI |
0 |
5 |
1 |
112 |
1511 |
8109 |
28108 |
59359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71032 |
13892 |
280 |
353 |
33 |
0 |
0 |
0 |
| OW |
365 |
1037 |
241 |
623 |
126 |
3 |
0 |
0 |
| VODI |
274 |
436 |
170 |
802 |
524 |
27 |
0 |
0 |
| ODI |
42 |
230 |
106 |
444 |
726 |
220 |
28 |
0 |
| CDI |
3 |
139 |
52 |
452 |
1358 |
1808 |
1067 |
22 |
| VCDI |
0 |
52 |
27 |
315 |
1833 |
8784 |
27455 |
59362 |
|
Date: 2024-01-10:
| 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 |
69396 |
15832 |
275 |
317 |
49 |
0 |
0 |
0 |
| OW |
20 |
1422 |
388 |
676 |
118 |
4 |
0 |
0 |
| VODI |
4 |
432 |
204 |
988 |
476 |
80 |
0 |
0 |
| ODI |
0 |
59 |
59 |
505 |
877 |
271 |
6 |
0 |
| CDI |
0 |
8 |
21 |
262 |
1183 |
1916 |
464 |
32 |
| VCDI |
0 |
6 |
5 |
48 |
1153 |
8000 |
27070 |
62117 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69389 |
15037 |
282 |
339 |
78 |
2 |
0 |
0 |
| OW |
24 |
1488 |
266 |
574 |
110 |
5 |
0 |
0 |
| VODI |
6 |
781 |
213 |
799 |
508 |
81 |
1 |
0 |
| ODI |
1 |
248 |
107 |
475 |
611 |
286 |
38 |
0 |
| CDI |
0 |
149 |
56 |
459 |
1289 |
1816 |
482 |
15 |
| VCDI |
0 |
56 |
28 |
150 |
1260 |
8081 |
27019 |
62134 |
|
Date: 2024-01-12:
| 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 |
69620 |
15141 |
317 |
266 |
22 |
0 |
0 |
0 |
| OW |
12 |
1481 |
309 |
631 |
93 |
1 |
0 |
0 |
| VODI |
0 |
516 |
211 |
952 |
551 |
52 |
0 |
0 |
| ODI |
0 |
150 |
88 |
402 |
952 |
338 |
0 |
0 |
| CDI |
0 |
47 |
50 |
384 |
1161 |
2165 |
386 |
42 |
| VCDI |
0 |
10 |
2 |
102 |
1730 |
7488 |
26728 |
62343 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69606 |
14251 |
358 |
511 |
72 |
0 |
0 |
0 |
| OW |
21 |
1533 |
234 |
608 |
238 |
6 |
0 |
0 |
| VODI |
5 |
924 |
148 |
602 |
654 |
159 |
1 |
0 |
| ODI |
0 |
328 |
121 |
318 |
582 |
473 |
16 |
0 |
| CDI |
0 |
225 |
104 |
535 |
962 |
1863 |
679 |
24 |
| VCDI |
0 |
84 |
12 |
163 |
2001 |
7543 |
26418 |
62361 |
|
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