Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-02:
| 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 |
59035 |
12919 |
176 |
209 |
33 |
7 |
1 |
0 |
| OW |
804 |
1533 |
236 |
284 |
86 |
38 |
8 |
0 |
| VODI |
1827 |
714 |
244 |
559 |
356 |
113 |
8 |
0 |
| ODI |
1802 |
235 |
80 |
298 |
618 |
293 |
56 |
0 |
| CDI |
0 |
391 |
137 |
421 |
917 |
1578 |
827 |
3 |
| VCDI |
0 |
836 |
198 |
554 |
1206 |
6747 |
27108 |
57315 |
|
...date precedes bulletin
|
Date: 2024-02-04:
| 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 |
58235 |
13504 |
126 |
129 |
30 |
2 |
0 |
0 |
| OW |
790 |
1818 |
224 |
266 |
91 |
35 |
5 |
0 |
| VODI |
1823 |
715 |
240 |
526 |
260 |
133 |
17 |
0 |
| ODI |
1806 |
261 |
109 |
357 |
544 |
272 |
64 |
0 |
| CDI |
0 |
321 |
132 |
439 |
755 |
1507 |
918 |
9 |
| VCDI |
0 |
975 |
179 |
527 |
1243 |
6913 |
28698 |
55812 |
|
...date precedes bulletin
|
Date: 2024-02-06:
| 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 |
58541 |
13909 |
86 |
67 |
25 |
3 |
0 |
0 |
| OW |
838 |
1846 |
303 |
277 |
98 |
23 |
6 |
0 |
| VODI |
1810 |
507 |
271 |
579 |
305 |
81 |
21 |
0 |
| ODI |
1795 |
233 |
124 |
398 |
585 |
228 |
40 |
0 |
| CDI |
0 |
307 |
123 |
392 |
699 |
1988 |
799 |
0 |
| VCDI |
0 |
159 |
92 |
437 |
1324 |
6607 |
25776 |
59108 |
|
...date precedes bulletin
|
Date: 2024-02-08:
| 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 |
56855 |
15180 |
160 |
74 |
20 |
3 |
2 |
0 |
| OW |
748 |
1763 |
228 |
237 |
106 |
22 |
13 |
0 |
| VODI |
1796 |
602 |
256 |
563 |
312 |
92 |
26 |
0 |
| ODI |
1810 |
212 |
80 |
364 |
613 |
363 |
51 |
0 |
| CDI |
0 |
165 |
88 |
354 |
708 |
1943 |
1062 |
1 |
| VCDI |
0 |
244 |
93 |
468 |
1081 |
5642 |
26280 |
60130 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56868 |
15223 |
171 |
88 |
19 |
2 |
2 |
0 |
| OW |
734 |
1732 |
222 |
244 |
111 |
26 |
13 |
0 |
| VODI |
1798 |
597 |
253 |
526 |
303 |
97 |
24 |
0 |
| ODI |
1809 |
225 |
78 |
370 |
617 |
360 |
57 |
0 |
| CDI |
0 |
159 |
88 |
363 |
702 |
1885 |
991 |
2 |
| VCDI |
0 |
230 |
93 |
469 |
1088 |
5695 |
26347 |
60129 |
|
Date: 2024-02-10:
| 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 |
55739 |
15574 |
279 |
301 |
26 |
0 |
0 |
0 |
| OW |
698 |
1605 |
283 |
390 |
99 |
19 |
2 |
0 |
| VODI |
1787 |
588 |
249 |
611 |
306 |
115 |
24 |
0 |
| ODI |
1821 |
182 |
105 |
391 |
610 |
411 |
79 |
0 |
| CDI |
0 |
152 |
85 |
427 |
650 |
1542 |
615 |
5 |
| VCDI |
0 |
300 |
75 |
418 |
1057 |
5984 |
26591 |
60615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55740 |
15657 |
288 |
302 |
27 |
2 |
0 |
0 |
| OW |
697 |
1544 |
294 |
426 |
111 |
25 |
4 |
0 |
| VODI |
1788 |
570 |
216 |
568 |
312 |
117 |
25 |
0 |
| ODI |
1820 |
199 |
111 |
380 |
582 |
396 |
73 |
0 |
| CDI |
0 |
166 |
96 |
424 |
629 |
1529 |
633 |
8 |
| VCDI |
0 |
265 |
71 |
438 |
1087 |
6002 |
26576 |
60612 |
|
Date: 2024-02-12:
| 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 |
55997 |
15646 |
242 |
278 |
13 |
0 |
0 |
0 |
| OW |
764 |
1796 |
346 |
326 |
77 |
5 |
2 |
0 |
| VODI |
1789 |
379 |
288 |
968 |
480 |
80 |
23 |
0 |
| ODI |
1818 |
84 |
52 |
351 |
644 |
447 |
67 |
0 |
| CDI |
0 |
105 |
57 |
318 |
760 |
1613 |
624 |
0 |
| VCDI |
0 |
41 |
36 |
233 |
654 |
5074 |
25822 |
62511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56054 |
15262 |
235 |
325 |
40 |
1 |
0 |
0 |
| OW |
702 |
1475 |
238 |
375 |
118 |
22 |
4 |
0 |
| VODI |
1777 |
696 |
240 |
552 |
358 |
124 |
47 |
0 |
| ODI |
1835 |
257 |
105 |
367 |
486 |
317 |
90 |
0 |
| CDI |
0 |
152 |
114 |
436 |
631 |
1271 |
792 |
9 |
| VCDI |
0 |
209 |
89 |
419 |
995 |
5484 |
25605 |
62502 |
|
Date: 2024-02-14:
| 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 |
56564 |
15393 |
156 |
102 |
15 |
1 |
0 |
0 |
| OW |
735 |
1738 |
236 |
316 |
73 |
19 |
3 |
0 |
| VODI |
1783 |
619 |
330 |
758 |
346 |
127 |
39 |
0 |
| ODI |
1827 |
177 |
84 |
375 |
443 |
325 |
46 |
0 |
| CDI |
0 |
103 |
63 |
382 |
867 |
1370 |
519 |
3 |
| VCDI |
0 |
132 |
65 |
249 |
647 |
5537 |
29922 |
58321 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56595 |
15068 |
145 |
131 |
30 |
5 |
0 |
0 |
| OW |
702 |
1437 |
201 |
283 |
86 |
26 |
9 |
0 |
| VODI |
1776 |
844 |
212 |
497 |
277 |
142 |
46 |
0 |
| ODI |
1836 |
378 |
163 |
312 |
366 |
315 |
59 |
0 |
| CDI |
0 |
215 |
134 |
532 |
723 |
1193 |
398 |
0 |
| VCDI |
0 |
220 |
79 |
427 |
909 |
5698 |
30017 |
58324 |
|
Date: 2024-02-16:
| 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 |
57770 |
14254 |
124 |
92 |
20 |
0 |
0 |
0 |
| OW |
731 |
1790 |
200 |
260 |
109 |
37 |
3 |
0 |
| VODI |
1782 |
904 |
214 |
436 |
227 |
114 |
15 |
0 |
| ODI |
1828 |
347 |
142 |
354 |
411 |
169 |
42 |
0 |
| CDI |
0 |
227 |
111 |
542 |
767 |
1216 |
778 |
2 |
| VCDI |
0 |
482 |
125 |
392 |
785 |
4815 |
31233 |
56960 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57759 |
13734 |
178 |
199 |
63 |
13 |
2 |
0 |
| OW |
733 |
1483 |
152 |
240 |
93 |
44 |
7 |
0 |
| VODI |
1784 |
987 |
162 |
328 |
229 |
126 |
24 |
0 |
| ODI |
1835 |
533 |
126 |
267 |
282 |
175 |
64 |
0 |
| CDI |
0 |
490 |
108 |
328 |
617 |
983 |
518 |
50 |
| VCDI |
0 |
777 |
190 |
714 |
1035 |
5010 |
31456 |
56912 |
|
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