Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-10:
| 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 |
60789 |
12129 |
85 |
54 |
11 |
1 |
0 |
0 |
| OW |
776 |
2025 |
166 |
234 |
69 |
19 |
0 |
0 |
| VODI |
1828 |
737 |
311 |
650 |
320 |
91 |
18 |
0 |
| ODI |
1857 |
202 |
149 |
583 |
807 |
405 |
118 |
0 |
| CDI |
0 |
216 |
99 |
558 |
2105 |
3736 |
2495 |
6 |
| VCDI |
0 |
166 |
134 |
604 |
1486 |
6468 |
40057 |
38246 |
|
...date precedes bulletin
|
Date: 2024-05-12:
| 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 |
60696 |
12178 |
53 |
57 |
9 |
0 |
0 |
0 |
| OW |
776 |
2037 |
157 |
221 |
56 |
22 |
7 |
0 |
| VODI |
1845 |
952 |
304 |
590 |
303 |
89 |
86 |
0 |
| ODI |
1839 |
363 |
173 |
622 |
771 |
444 |
179 |
0 |
| CDI |
0 |
314 |
183 |
882 |
2600 |
3957 |
2735 |
0 |
| VCDI |
0 |
244 |
106 |
645 |
1306 |
6016 |
44616 |
32377 |
|
...date precedes bulletin
|
Date: 2024-05-14:
| 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 |
60887 |
12651 |
61 |
70 |
1 |
0 |
0 |
0 |
| OW |
787 |
2327 |
256 |
252 |
63 |
28 |
4 |
0 |
| VODI |
1890 |
712 |
406 |
1080 |
468 |
135 |
29 |
0 |
| ODI |
1779 |
188 |
158 |
607 |
1155 |
541 |
62 |
0 |
| CDI |
0 |
249 |
150 |
787 |
2313 |
4770 |
2143 |
0 |
| VCDI |
0 |
51 |
60 |
324 |
838 |
4485 |
46890 |
31153 |
|
...date precedes bulletin
|
Date: 2024-05-16:
| 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 |
61557 |
12250 |
61 |
41 |
3 |
0 |
0 |
0 |
| OW |
796 |
2427 |
258 |
213 |
104 |
21 |
1 |
0 |
| VODI |
1911 |
861 |
390 |
1024 |
467 |
102 |
40 |
0 |
| ODI |
1752 |
274 |
128 |
565 |
953 |
393 |
84 |
0 |
| CDI |
0 |
301 |
235 |
856 |
2328 |
3866 |
2259 |
0 |
| VCDI |
0 |
43 |
59 |
335 |
891 |
5450 |
50080 |
27431 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61561 |
12369 |
72 |
47 |
10 |
0 |
0 |
0 |
| OW |
791 |
2255 |
247 |
225 |
119 |
19 |
1 |
0 |
| VODI |
1910 |
907 |
377 |
1017 |
481 |
104 |
33 |
0 |
| ODI |
1754 |
276 |
143 |
564 |
880 |
368 |
88 |
0 |
| CDI |
0 |
308 |
232 |
862 |
2387 |
3890 |
2337 |
1 |
| VCDI |
0 |
41 |
60 |
319 |
869 |
5451 |
50005 |
27430 |
|
Date: 2024-05-18:
| 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 |
61766 |
12277 |
55 |
29 |
6 |
0 |
0 |
0 |
| OW |
792 |
2327 |
230 |
286 |
111 |
22 |
5 |
0 |
| VODI |
1928 |
862 |
386 |
948 |
400 |
127 |
70 |
0 |
| ODI |
1734 |
275 |
127 |
587 |
823 |
356 |
121 |
0 |
| CDI |
0 |
354 |
217 |
998 |
2475 |
4560 |
2061 |
34 |
| VCDI |
0 |
55 |
84 |
396 |
1059 |
4793 |
50130 |
26944 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61766 |
12392 |
72 |
50 |
14 |
0 |
0 |
0 |
| OW |
791 |
2176 |
223 |
271 |
107 |
17 |
5 |
0 |
| VODI |
1927 |
890 |
361 |
935 |
428 |
142 |
58 |
0 |
| ODI |
1736 |
266 |
147 |
591 |
774 |
338 |
117 |
0 |
| CDI |
0 |
379 |
227 |
1017 |
2531 |
4465 |
2428 |
197 |
| VCDI |
0 |
47 |
69 |
380 |
1020 |
4896 |
49779 |
26781 |
|
Date: 2024-05-20:
| 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 |
61711 |
13328 |
58 |
58 |
3 |
0 |
0 |
0 |
| OW |
805 |
2620 |
311 |
236 |
45 |
10 |
0 |
0 |
| VODI |
1992 |
722 |
456 |
1317 |
552 |
88 |
19 |
0 |
| ODI |
1652 |
188 |
143 |
683 |
1459 |
619 |
98 |
0 |
| CDI |
0 |
228 |
153 |
726 |
2365 |
6209 |
1874 |
4 |
| VCDI |
0 |
11 |
12 |
175 |
842 |
5561 |
43826 |
29651 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61708 |
12545 |
61 |
63 |
13 |
0 |
0 |
0 |
| OW |
793 |
2286 |
204 |
216 |
85 |
29 |
2 |
0 |
| VODI |
1947 |
1066 |
329 |
795 |
401 |
152 |
85 |
0 |
| ODI |
1712 |
444 |
161 |
592 |
778 |
377 |
141 |
0 |
| CDI |
0 |
563 |
289 |
1106 |
2591 |
5199 |
2380 |
28 |
| VCDI |
0 |
193 |
89 |
423 |
1398 |
6730 |
43209 |
29627 |
|
Date: 2024-05-22:
| 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 |
62005 |
13317 |
108 |
67 |
10 |
2 |
0 |
0 |
| OW |
806 |
2562 |
308 |
377 |
59 |
13 |
2 |
0 |
| VODI |
2012 |
721 |
438 |
1129 |
456 |
100 |
54 |
0 |
| ODI |
1629 |
219 |
166 |
683 |
1294 |
467 |
151 |
0 |
| CDI |
0 |
239 |
171 |
885 |
2423 |
5930 |
2397 |
3 |
| VCDI |
0 |
122 |
64 |
360 |
1005 |
6362 |
45223 |
26471 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62002 |
12482 |
112 |
81 |
19 |
6 |
1 |
0 |
| OW |
798 |
2208 |
194 |
285 |
77 |
34 |
32 |
0 |
| VODI |
1969 |
1145 |
357 |
716 |
343 |
105 |
117 |
0 |
| ODI |
1683 |
422 |
179 |
656 |
745 |
295 |
187 |
0 |
| CDI |
0 |
542 |
293 |
1217 |
2731 |
5691 |
2931 |
4 |
| VCDI |
0 |
381 |
120 |
546 |
1332 |
6743 |
44559 |
26470 |
|
Date: 2024-05-24:
| 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 |
62507 |
13160 |
81 |
42 |
9 |
5 |
0 |
0 |
| OW |
806 |
2425 |
337 |
350 |
70 |
21 |
4 |
0 |
| VODI |
2037 |
797 |
457 |
1018 |
446 |
112 |
59 |
1 |
| ODI |
1600 |
276 |
185 |
808 |
1145 |
448 |
97 |
10 |
| CDI |
0 |
327 |
202 |
966 |
2530 |
6142 |
2875 |
44 |
| VCDI |
0 |
168 |
92 |
381 |
1164 |
5999 |
46177 |
24430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62501 |
12158 |
97 |
110 |
38 |
6 |
0 |
0 |
| OW |
804 |
2105 |
239 |
271 |
84 |
50 |
8 |
0 |
| VODI |
1989 |
1248 |
292 |
591 |
369 |
147 |
87 |
0 |
| ODI |
1656 |
519 |
266 |
697 |
708 |
336 |
247 |
7 |
| CDI |
0 |
613 |
289 |
1304 |
2683 |
5497 |
3613 |
41 |
| VCDI |
0 |
510 |
171 |
592 |
1482 |
6691 |
45257 |
24437 |
|
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