Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-23
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-17:
| 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 |
61845 |
12080 |
65 |
48 |
4 |
0 |
0 |
0 |
| OW |
795 |
2344 |
281 |
213 |
102 |
20 |
1 |
0 |
| VODI |
1917 |
857 |
389 |
1040 |
403 |
96 |
45 |
0 |
| ODI |
1746 |
257 |
159 |
578 |
851 |
374 |
133 |
0 |
| CDI |
0 |
297 |
228 |
903 |
2318 |
4277 |
2016 |
14 |
| VCDI |
0 |
49 |
50 |
380 |
982 |
6056 |
51052 |
25545 |
|
...date precedes bulletin
|
Date: 2024-05-19:
| 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 |
61868 |
12263 |
57 |
39 |
8 |
0 |
0 |
0 |
| OW |
791 |
2306 |
244 |
298 |
81 |
34 |
7 |
0 |
| VODI |
1940 |
967 |
375 |
814 |
442 |
102 |
76 |
0 |
| ODI |
1722 |
355 |
149 |
570 |
798 |
365 |
106 |
0 |
| CDI |
0 |
461 |
297 |
1061 |
2561 |
4981 |
2123 |
29 |
| VCDI |
0 |
286 |
102 |
592 |
1402 |
5494 |
42956 |
31688 |
|
...date precedes bulletin
|
Date: 2024-05-21:
| 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 |
61997 |
13209 |
87 |
43 |
4 |
0 |
0 |
0 |
| OW |
805 |
2657 |
309 |
310 |
52 |
10 |
1 |
0 |
| VODI |
2003 |
677 |
474 |
1245 |
512 |
90 |
38 |
0 |
| ODI |
1641 |
187 |
136 |
700 |
1334 |
527 |
122 |
0 |
| CDI |
0 |
232 |
151 |
782 |
2374 |
6124 |
1826 |
2 |
| VCDI |
0 |
68 |
56 |
330 |
877 |
5859 |
44833 |
28126 |
|
...date precedes bulletin
|
Date: 2024-05-23:
| 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 |
62089 |
13418 |
87 |
64 |
6 |
5 |
0 |
0 |
| OW |
805 |
2453 |
338 |
382 |
81 |
14 |
3 |
0 |
| VODI |
2026 |
735 |
422 |
1091 |
433 |
134 |
65 |
0 |
| ODI |
1614 |
266 |
156 |
784 |
1193 |
457 |
110 |
5 |
| CDI |
0 |
292 |
182 |
961 |
2525 |
5868 |
2719 |
33 |
| VCDI |
0 |
148 |
88 |
366 |
1147 |
6671 |
45682 |
24892 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62087 |
13477 |
100 |
79 |
6 |
3 |
0 |
0 |
| OW |
806 |
2289 |
301 |
329 |
75 |
17 |
4 |
0 |
| VODI |
2013 |
756 |
427 |
1018 |
392 |
111 |
46 |
0 |
| ODI |
1628 |
297 |
141 |
773 |
1134 |
418 |
134 |
6 |
| CDI |
0 |
342 |
229 |
1097 |
2590 |
5966 |
2725 |
32 |
| VCDI |
0 |
151 |
75 |
352 |
1188 |
6634 |
45670 |
24892 |
|
Date: 2024-05-25:
| 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 |
62417 |
13158 |
90 |
69 |
16 |
8 |
0 |
0 |
| OW |
809 |
2352 |
335 |
388 |
93 |
13 |
3 |
0 |
| VODI |
2051 |
818 |
407 |
1010 |
472 |
118 |
54 |
3 |
| ODI |
1583 |
304 |
165 |
991 |
1184 |
456 |
123 |
11 |
| CDI |
0 |
391 |
212 |
1016 |
2713 |
7014 |
2565 |
51 |
| VCDI |
0 |
178 |
111 |
398 |
1133 |
6504 |
44297 |
24726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62408 |
13268 |
105 |
97 |
17 |
7 |
0 |
0 |
| OW |
815 |
2112 |
304 |
351 |
88 |
10 |
1 |
0 |
| VODI |
2038 |
885 |
391 |
903 |
448 |
106 |
43 |
6 |
| ODI |
1599 |
312 |
179 |
931 |
1118 |
383 |
119 |
8 |
| CDI |
0 |
408 |
232 |
1193 |
2826 |
6971 |
2602 |
56 |
| VCDI |
0 |
216 |
109 |
397 |
1114 |
6636 |
44277 |
24721 |
|
Date: 2024-05-27:
| 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 |
62582 |
13900 |
64 |
62 |
20 |
3 |
0 |
0 |
| OW |
824 |
2356 |
341 |
264 |
53 |
13 |
2 |
0 |
| VODI |
2119 |
743 |
571 |
1800 |
629 |
120 |
47 |
0 |
| ODI |
1494 |
238 |
168 |
1118 |
1801 |
680 |
126 |
0 |
| CDI |
0 |
273 |
157 |
714 |
2659 |
7607 |
2510 |
0 |
| VCDI |
0 |
8 |
26 |
200 |
822 |
6816 |
52482 |
14398 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62576 |
13028 |
58 |
74 |
20 |
3 |
0 |
0 |
| OW |
811 |
2216 |
236 |
255 |
66 |
21 |
4 |
0 |
| VODI |
2066 |
1028 |
386 |
987 |
443 |
131 |
97 |
0 |
| ODI |
1566 |
437 |
234 |
1110 |
1097 |
447 |
130 |
0 |
| CDI |
0 |
566 |
333 |
1308 |
3012 |
6456 |
4117 |
99 |
| VCDI |
0 |
243 |
80 |
424 |
1346 |
8181 |
50819 |
14299 |
|
Date: 2024-05-29:
| 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 |
62394 |
14066 |
77 |
66 |
13 |
2 |
0 |
0 |
| OW |
829 |
2410 |
344 |
307 |
96 |
27 |
10 |
0 |
| VODI |
2154 |
984 |
608 |
1746 |
683 |
114 |
45 |
0 |
| ODI |
1453 |
305 |
189 |
1067 |
1841 |
675 |
140 |
1 |
| CDI |
0 |
352 |
206 |
857 |
3145 |
7245 |
2605 |
2 |
| VCDI |
0 |
55 |
82 |
316 |
892 |
9417 |
49660 |
13330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62390 |
13374 |
91 |
56 |
8 |
3 |
0 |
0 |
| OW |
818 |
2027 |
260 |
364 |
105 |
27 |
6 |
0 |
| VODI |
2090 |
1091 |
372 |
1073 |
521 |
137 |
69 |
0 |
| ODI |
1532 |
612 |
271 |
1029 |
1199 |
438 |
178 |
1 |
| CDI |
0 |
721 |
350 |
1336 |
3474 |
7009 |
4098 |
219 |
| VCDI |
0 |
347 |
162 |
501 |
1363 |
9866 |
48109 |
13113 |
|
Date: 2024-05-31:
| 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 |
62318 |
13779 |
92 |
72 |
20 |
3 |
2 |
0 |
| OW |
833 |
2517 |
348 |
358 |
129 |
30 |
7 |
0 |
| VODI |
2184 |
1218 |
574 |
1693 |
737 |
129 |
46 |
0 |
| ODI |
1418 |
437 |
226 |
1167 |
2015 |
741 |
160 |
0 |
| CDI |
0 |
472 |
248 |
1061 |
3428 |
7744 |
2138 |
1 |
| VCDI |
0 |
265 |
105 |
437 |
1308 |
9250 |
48348 |
12752 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62316 |
13370 |
164 |
131 |
32 |
2 |
2 |
0 |
| OW |
821 |
1905 |
265 |
420 |
176 |
42 |
2 |
0 |
| VODI |
2118 |
1130 |
377 |
1091 |
536 |
145 |
40 |
0 |
| ODI |
1498 |
818 |
235 |
1021 |
1210 |
480 |
238 |
0 |
| CDI |
0 |
934 |
381 |
1498 |
3884 |
6866 |
4391 |
1305 |
| VCDI |
0 |
531 |
171 |
627 |
1799 |
10362 |
46028 |
11448 |
|
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