Validation of sea ice concentration - Full domain
Bulletin date: 2024-04-18
Data source: OSI SAF N.H. AMSR 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 |
56738 |
13033 |
58 |
63 |
20 |
0 |
0 |
0 |
| OW |
726 |
1524 |
172 |
196 |
80 |
24 |
5 |
0 |
| VODI |
1762 |
618 |
297 |
508 |
254 |
95 |
52 |
0 |
| ODI |
1854 |
147 |
120 |
447 |
566 |
313 |
157 |
0 |
| CDI |
0 |
70 |
68 |
335 |
1229 |
2393 |
1424 |
0 |
| VCDI |
0 |
3 |
13 |
72 |
573 |
3506 |
35912 |
55383 |
|
...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 |
56825 |
12551 |
53 |
61 |
48 |
0 |
0 |
0 |
| OW |
713 |
1599 |
185 |
275 |
93 |
14 |
1 |
0 |
| VODI |
1765 |
805 |
220 |
470 |
338 |
106 |
67 |
0 |
| ODI |
1849 |
341 |
138 |
405 |
618 |
470 |
64 |
0 |
| CDI |
0 |
194 |
139 |
412 |
759 |
2025 |
1298 |
9 |
| VCDI |
0 |
52 |
55 |
199 |
716 |
3276 |
34052 |
57550 |
|
...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 |
57145 |
12974 |
56 |
50 |
9 |
2 |
0 |
0 |
| OW |
704 |
1900 |
207 |
182 |
45 |
16 |
21 |
0 |
| VODI |
1786 |
551 |
311 |
662 |
367 |
107 |
17 |
0 |
| ODI |
1823 |
104 |
107 |
413 |
842 |
418 |
40 |
0 |
| CDI |
0 |
82 |
70 |
301 |
928 |
1986 |
834 |
1 |
| VCDI |
0 |
69 |
52 |
205 |
548 |
2659 |
29936 |
62280 |
|
...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 |
56773 |
13289 |
43 |
65 |
6 |
0 |
0 |
0 |
| OW |
746 |
1601 |
227 |
209 |
55 |
8 |
12 |
0 |
| VODI |
1785 |
540 |
284 |
624 |
461 |
120 |
53 |
0 |
| ODI |
1824 |
147 |
95 |
380 |
614 |
496 |
87 |
0 |
| CDI |
0 |
156 |
100 |
304 |
888 |
1920 |
1435 |
0 |
| VCDI |
0 |
50 |
50 |
217 |
631 |
3306 |
30216 |
60993 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56773 |
13439 |
59 |
76 |
6 |
0 |
0 |
0 |
| OW |
745 |
1467 |
221 |
235 |
65 |
8 |
4 |
0 |
| VODI |
1786 |
520 |
268 |
577 |
420 |
105 |
52 |
0 |
| ODI |
1824 |
150 |
97 |
371 |
627 |
440 |
92 |
0 |
| CDI |
0 |
150 |
103 |
337 |
934 |
2014 |
1604 |
0 |
| VCDI |
0 |
57 |
51 |
203 |
603 |
3283 |
30051 |
60993 |
|
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 |
57047 |
12757 |
67 |
71 |
33 |
0 |
0 |
0 |
| OW |
744 |
1692 |
189 |
214 |
76 |
24 |
0 |
0 |
| VODI |
1785 |
691 |
261 |
558 |
400 |
238 |
16 |
0 |
| ODI |
1824 |
239 |
101 |
358 |
577 |
470 |
49 |
0 |
| CDI |
0 |
229 |
68 |
306 |
993 |
2284 |
1391 |
0 |
| VCDI |
0 |
197 |
99 |
402 |
815 |
3831 |
35434 |
54280 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57047 |
12929 |
72 |
84 |
42 |
1 |
0 |
0 |
| OW |
744 |
1528 |
209 |
225 |
76 |
21 |
0 |
0 |
| VODI |
1785 |
683 |
229 |
498 |
382 |
223 |
15 |
0 |
| ODI |
1824 |
237 |
107 |
381 |
567 |
469 |
54 |
0 |
| CDI |
0 |
229 |
73 |
314 |
1013 |
2343 |
1474 |
1 |
| VCDI |
0 |
199 |
95 |
407 |
814 |
3790 |
35347 |
54279 |
|
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 |
57694 |
12274 |
70 |
102 |
25 |
0 |
0 |
0 |
| OW |
786 |
2179 |
215 |
206 |
61 |
3 |
0 |
0 |
| VODI |
1810 |
424 |
327 |
802 |
485 |
77 |
0 |
0 |
| ODI |
1805 |
143 |
62 |
356 |
939 |
412 |
12 |
0 |
| CDI |
0 |
254 |
65 |
255 |
1130 |
2944 |
1197 |
0 |
| VCDI |
0 |
29 |
24 |
102 |
639 |
3980 |
36677 |
52245 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57750 |
11824 |
67 |
123 |
30 |
0 |
0 |
0 |
| OW |
737 |
1619 |
182 |
218 |
92 |
19 |
0 |
0 |
| VODI |
1788 |
885 |
228 |
523 |
446 |
142 |
8 |
0 |
| ODI |
1820 |
362 |
133 |
405 |
567 |
431 |
82 |
0 |
| CDI |
0 |
342 |
87 |
344 |
1287 |
2446 |
1233 |
1 |
| VCDI |
0 |
271 |
66 |
210 |
857 |
4378 |
36563 |
52244 |
|
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 |
57830 |
12537 |
83 |
43 |
19 |
0 |
0 |
0 |
| OW |
728 |
2109 |
200 |
213 |
58 |
21 |
0 |
0 |
| VODI |
1807 |
675 |
274 |
716 |
398 |
39 |
3 |
0 |
| ODI |
1797 |
187 |
108 |
493 |
676 |
216 |
30 |
0 |
| CDI |
0 |
373 |
127 |
526 |
1352 |
2105 |
1274 |
12 |
| VCDI |
0 |
102 |
56 |
292 |
977 |
4439 |
37503 |
50412 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57843 |
11921 |
85 |
61 |
21 |
2 |
0 |
0 |
| OW |
713 |
1627 |
172 |
262 |
106 |
36 |
7 |
0 |
| VODI |
1794 |
1057 |
212 |
550 |
349 |
45 |
21 |
0 |
| ODI |
1812 |
478 |
125 |
411 |
535 |
208 |
88 |
0 |
| CDI |
0 |
606 |
157 |
620 |
1483 |
1843 |
1417 |
6 |
| VCDI |
0 |
294 |
97 |
379 |
986 |
4686 |
37277 |
50418 |
|
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 |
57990 |
12530 |
81 |
46 |
2 |
0 |
0 |
0 |
| OW |
764 |
1901 |
217 |
241 |
30 |
6 |
2 |
0 |
| VODI |
1818 |
698 |
222 |
693 |
345 |
91 |
11 |
0 |
| ODI |
1782 |
328 |
128 |
442 |
639 |
270 |
77 |
0 |
| CDI |
0 |
508 |
166 |
622 |
1456 |
2458 |
1729 |
9 |
| VCDI |
0 |
93 |
89 |
473 |
1281 |
4943 |
41402 |
44227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57990 |
11749 |
80 |
78 |
8 |
9 |
5 |
0 |
| OW |
759 |
1590 |
174 |
292 |
122 |
45 |
20 |
0 |
| VODI |
1805 |
1197 |
219 |
487 |
218 |
81 |
29 |
0 |
| ODI |
1800 |
516 |
141 |
495 |
564 |
223 |
163 |
1 |
| CDI |
0 |
714 |
162 |
628 |
1480 |
1983 |
1655 |
8 |
| VCDI |
0 |
292 |
127 |
537 |
1361 |
5427 |
41349 |
44227 |
|
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