Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
56714 |
14806 |
133 |
86 |
11 |
0 |
0 |
0 |
| OW |
712 |
1626 |
240 |
311 |
72 |
24 |
8 |
0 |
| VODI |
1777 |
848 |
274 |
658 |
202 |
48 |
20 |
0 |
| ODI |
1835 |
313 |
156 |
490 |
424 |
176 |
23 |
0 |
| CDI |
0 |
198 |
112 |
473 |
1078 |
1547 |
674 |
0 |
| VCDI |
0 |
427 |
139 |
489 |
844 |
4417 |
30709 |
57716 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
56306 |
15424 |
245 |
111 |
20 |
2 |
0 |
0 |
| OW |
681 |
1616 |
356 |
336 |
88 |
28 |
10 |
0 |
| VODI |
1789 |
527 |
313 |
767 |
337 |
55 |
10 |
0 |
| ODI |
1819 |
127 |
70 |
394 |
660 |
279 |
27 |
0 |
| CDI |
0 |
97 |
82 |
266 |
1236 |
2174 |
817 |
1 |
| VCDI |
0 |
21 |
29 |
204 |
1022 |
5408 |
27929 |
59127 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
57476 |
14037 |
133 |
153 |
41 |
15 |
5 |
0 |
| OW |
676 |
1516 |
238 |
304 |
144 |
42 |
14 |
0 |
| VODI |
1779 |
623 |
208 |
465 |
345 |
68 |
39 |
0 |
| ODI |
1833 |
178 |
135 |
371 |
542 |
267 |
73 |
0 |
| CDI |
0 |
117 |
77 |
292 |
1219 |
1885 |
1248 |
6 |
| VCDI |
0 |
69 |
50 |
245 |
1151 |
4886 |
31176 |
56669 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57483 |
14094 |
133 |
138 |
46 |
18 |
4 |
0 |
| OW |
667 |
1440 |
243 |
324 |
145 |
37 |
15 |
0 |
| VODI |
1780 |
638 |
206 |
474 |
347 |
66 |
37 |
0 |
| ODI |
1834 |
183 |
123 |
366 |
503 |
267 |
83 |
0 |
| CDI |
0 |
115 |
88 |
288 |
1244 |
1898 |
1267 |
6 |
| VCDI |
0 |
70 |
48 |
240 |
1157 |
4877 |
31149 |
56669 |
|
Date: 2024-02-24:
| 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 |
57710 |
13807 |
92 |
166 |
51 |
3 |
0 |
0 |
| OW |
677 |
1601 |
191 |
280 |
70 |
24 |
16 |
0 |
| VODI |
1777 |
765 |
194 |
460 |
225 |
113 |
63 |
0 |
| ODI |
1835 |
323 |
170 |
450 |
343 |
284 |
73 |
0 |
| CDI |
0 |
165 |
122 |
456 |
888 |
1255 |
843 |
0 |
| VCDI |
0 |
130 |
59 |
271 |
1108 |
4759 |
30039 |
58952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57710 |
13872 |
89 |
175 |
46 |
2 |
0 |
0 |
| OW |
677 |
1553 |
208 |
283 |
78 |
27 |
15 |
0 |
| VODI |
1777 |
758 |
183 |
469 |
232 |
116 |
59 |
0 |
| ODI |
1835 |
322 |
165 |
425 |
321 |
289 |
82 |
0 |
| CDI |
0 |
158 |
126 |
462 |
856 |
1106 |
743 |
0 |
| VCDI |
0 |
128 |
57 |
269 |
1152 |
4898 |
30135 |
58952 |
|
Date: 2024-02-26:
| 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 |
56974 |
14849 |
121 |
214 |
48 |
2 |
0 |
0 |
| OW |
662 |
1766 |
265 |
300 |
124 |
55 |
8 |
0 |
| VODI |
1794 |
398 |
207 |
635 |
320 |
139 |
48 |
0 |
| ODI |
1812 |
153 |
39 |
352 |
576 |
371 |
56 |
0 |
| CDI |
0 |
264 |
81 |
209 |
964 |
2235 |
1157 |
0 |
| VCDI |
0 |
79 |
46 |
199 |
614 |
5234 |
29993 |
57447 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56990 |
14301 |
140 |
222 |
54 |
3 |
0 |
0 |
| OW |
640 |
1475 |
181 |
286 |
129 |
52 |
23 |
0 |
| VODI |
1781 |
727 |
133 |
383 |
259 |
194 |
58 |
0 |
| ODI |
1831 |
347 |
127 |
336 |
345 |
350 |
124 |
0 |
| CDI |
0 |
328 |
86 |
411 |
1068 |
1808 |
1430 |
0 |
| VCDI |
0 |
331 |
92 |
271 |
791 |
5629 |
29627 |
57447 |
|
Date: 2024-02-28:
| 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 |
57411 |
14194 |
147 |
176 |
49 |
0 |
0 |
0 |
| OW |
633 |
1608 |
237 |
305 |
176 |
55 |
25 |
0 |
| VODI |
1785 |
543 |
188 |
501 |
301 |
140 |
18 |
0 |
| ODI |
1824 |
203 |
84 |
388 |
488 |
345 |
79 |
0 |
| CDI |
0 |
254 |
86 |
336 |
879 |
2090 |
1115 |
20 |
| VCDI |
0 |
131 |
68 |
215 |
687 |
5674 |
33815 |
53537 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57383 |
13484 |
174 |
204 |
54 |
8 |
2 |
0 |
| OW |
657 |
1427 |
169 |
270 |
192 |
62 |
17 |
0 |
| VODI |
1775 |
831 |
111 |
346 |
285 |
183 |
65 |
0 |
| ODI |
1838 |
463 |
122 |
340 |
280 |
376 |
86 |
0 |
| CDI |
0 |
471 |
133 |
440 |
939 |
1802 |
1276 |
20 |
| VCDI |
0 |
257 |
101 |
321 |
830 |
5873 |
33606 |
53537 |
|
Date: 2024-03-01:
| 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 |
58343 |
13441 |
150 |
123 |
32 |
2 |
0 |
0 |
| OW |
635 |
1659 |
178 |
280 |
108 |
57 |
0 |
0 |
| VODI |
1784 |
816 |
219 |
405 |
226 |
123 |
30 |
0 |
| ODI |
1826 |
304 |
131 |
461 |
555 |
264 |
46 |
0 |
| CDI |
0 |
387 |
114 |
416 |
1077 |
1358 |
605 |
0 |
| VCDI |
0 |
247 |
89 |
306 |
970 |
7551 |
32119 |
53373 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58304 |
12416 |
143 |
121 |
38 |
2 |
0 |
0 |
| OW |
667 |
1720 |
119 |
219 |
145 |
62 |
0 |
0 |
| VODI |
1774 |
1125 |
196 |
322 |
259 |
175 |
71 |
0 |
| ODI |
1843 |
539 |
148 |
435 |
420 |
315 |
22 |
0 |
| CDI |
0 |
539 |
145 |
507 |
961 |
1261 |
689 |
0 |
| VCDI |
0 |
515 |
130 |
387 |
1145 |
7540 |
32018 |
53373 |
|
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