Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-29:
| 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 |
65591 |
11366 |
154 |
117 |
18 |
0 |
0 |
0 |
| OW |
939 |
1435 |
152 |
243 |
113 |
54 |
0 |
0 |
| VODI |
1841 |
747 |
237 |
404 |
353 |
229 |
32 |
0 |
| ODI |
1848 |
333 |
106 |
378 |
707 |
473 |
88 |
0 |
| CDI |
0 |
187 |
71 |
219 |
872 |
1610 |
875 |
0 |
| VCDI |
0 |
115 |
87 |
291 |
1055 |
7020 |
28823 |
51627 |
|
...date precedes bulletin
|
Date: 2023-12-31:
| 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 |
64886 |
11644 |
136 |
146 |
34 |
6 |
0 |
0 |
| OW |
909 |
1487 |
139 |
179 |
105 |
23 |
1 |
0 |
| VODI |
1815 |
883 |
193 |
318 |
293 |
181 |
56 |
0 |
| ODI |
1875 |
409 |
121 |
355 |
505 |
305 |
152 |
0 |
| CDI |
0 |
322 |
166 |
346 |
759 |
1666 |
835 |
13 |
| VCDI |
0 |
144 |
93 |
387 |
1066 |
6385 |
27120 |
54352 |
|
...date precedes bulletin
|
Date: 2024-01-02:
| 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 |
64162 |
12412 |
145 |
82 |
9 |
0 |
0 |
0 |
| OW |
982 |
1471 |
207 |
228 |
59 |
1 |
0 |
0 |
| VODI |
1850 |
557 |
211 |
429 |
289 |
98 |
7 |
0 |
| ODI |
1884 |
188 |
97 |
455 |
365 |
214 |
15 |
0 |
| CDI |
0 |
92 |
118 |
508 |
968 |
1600 |
729 |
0 |
| VCDI |
0 |
27 |
30 |
196 |
1015 |
7078 |
32577 |
49455 |
|
...date precedes bulletin
|
Date: 2024-01-04:
| 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 |
63298 |
12560 |
151 |
122 |
8 |
0 |
0 |
0 |
| OW |
899 |
1148 |
205 |
301 |
155 |
11 |
0 |
0 |
| VODI |
1912 |
516 |
196 |
415 |
317 |
57 |
15 |
0 |
| ODI |
1920 |
219 |
92 |
316 |
422 |
150 |
20 |
0 |
| CDI |
0 |
155 |
54 |
361 |
984 |
1480 |
781 |
0 |
| VCDI |
0 |
111 |
44 |
343 |
964 |
7526 |
35579 |
47003 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63300 |
12573 |
159 |
129 |
8 |
0 |
0 |
0 |
| OW |
914 |
1148 |
204 |
313 |
150 |
12 |
0 |
0 |
| VODI |
1902 |
520 |
191 |
402 |
338 |
63 |
20 |
0 |
| ODI |
1913 |
222 |
93 |
307 |
408 |
148 |
16 |
0 |
| CDI |
0 |
143 |
50 |
359 |
975 |
1533 |
784 |
0 |
| VCDI |
0 |
103 |
45 |
348 |
971 |
7468 |
35575 |
47003 |
|
Date: 2024-01-06:
| 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 |
62088 |
12396 |
190 |
194 |
49 |
0 |
0 |
0 |
| OW |
834 |
1199 |
225 |
289 |
148 |
47 |
2 |
0 |
| VODI |
1813 |
539 |
146 |
332 |
319 |
118 |
23 |
0 |
| ODI |
1982 |
248 |
96 |
197 |
418 |
329 |
38 |
0 |
| CDI |
0 |
201 |
78 |
295 |
783 |
1657 |
1097 |
5 |
| VCDI |
0 |
125 |
67 |
232 |
1101 |
7396 |
32922 |
50592 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62094 |
12459 |
202 |
200 |
60 |
0 |
0 |
0 |
| OW |
834 |
1171 |
220 |
297 |
141 |
52 |
2 |
0 |
| VODI |
1813 |
518 |
140 |
321 |
318 |
124 |
29 |
0 |
| ODI |
1976 |
247 |
93 |
196 |
412 |
287 |
42 |
0 |
| CDI |
0 |
212 |
80 |
276 |
770 |
1766 |
1204 |
5 |
| VCDI |
0 |
101 |
67 |
249 |
1117 |
7318 |
32805 |
50592 |
|
Date: 2024-01-08:
| 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 |
62008 |
12492 |
268 |
93 |
8 |
0 |
0 |
0 |
| OW |
796 |
1617 |
220 |
212 |
47 |
9 |
0 |
0 |
| VODI |
1756 |
334 |
232 |
513 |
337 |
57 |
6 |
0 |
| ODI |
1956 |
43 |
60 |
278 |
567 |
252 |
13 |
0 |
| CDI |
0 |
37 |
26 |
174 |
684 |
2081 |
733 |
0 |
| VCDI |
0 |
22 |
24 |
155 |
1010 |
6944 |
33029 |
51717 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62070 |
11957 |
292 |
141 |
21 |
0 |
0 |
0 |
| OW |
836 |
1333 |
144 |
238 |
108 |
20 |
2 |
0 |
| VODI |
1863 |
752 |
147 |
275 |
297 |
69 |
13 |
0 |
| ODI |
1747 |
273 |
100 |
220 |
364 |
212 |
32 |
0 |
| CDI |
0 |
120 |
80 |
307 |
711 |
1642 |
1218 |
9 |
| VCDI |
0 |
110 |
67 |
244 |
1152 |
7400 |
32516 |
51708 |
|
Date: 2024-01-10:
| 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 |
61126 |
13206 |
100 |
113 |
33 |
5 |
1 |
0 |
| OW |
776 |
1455 |
258 |
233 |
90 |
9 |
4 |
0 |
| VODI |
1861 |
505 |
235 |
432 |
277 |
58 |
12 |
0 |
| ODI |
1727 |
100 |
84 |
310 |
443 |
327 |
16 |
0 |
| CDI |
0 |
51 |
54 |
191 |
662 |
1557 |
367 |
1 |
| VCDI |
0 |
11 |
21 |
91 |
835 |
6598 |
34873 |
51702 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61126 |
12389 |
108 |
111 |
48 |
7 |
3 |
0 |
| OW |
770 |
1504 |
184 |
197 |
78 |
16 |
7 |
0 |
| VODI |
1848 |
885 |
172 |
323 |
298 |
81 |
15 |
0 |
| ODI |
1746 |
331 |
130 |
260 |
315 |
267 |
30 |
0 |
| CDI |
0 |
196 |
117 |
322 |
708 |
1645 |
571 |
4 |
| VCDI |
0 |
23 |
41 |
157 |
893 |
6538 |
34647 |
51699 |
|
Date: 2024-01-12:
| 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 |
60971 |
12777 |
117 |
94 |
22 |
9 |
0 |
0 |
| OW |
815 |
1480 |
175 |
232 |
67 |
13 |
5 |
0 |
| VODI |
1850 |
667 |
223 |
432 |
273 |
47 |
21 |
0 |
| ODI |
1738 |
214 |
99 |
263 |
435 |
373 |
23 |
0 |
| CDI |
0 |
112 |
78 |
278 |
634 |
1462 |
836 |
4 |
| VCDI |
0 |
9 |
18 |
162 |
1228 |
5512 |
35933 |
51109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60954 |
11889 |
161 |
189 |
49 |
12 |
0 |
0 |
| OW |
811 |
1596 |
135 |
256 |
157 |
40 |
8 |
0 |
| VODI |
1858 |
954 |
167 |
290 |
292 |
155 |
28 |
0 |
| ODI |
1751 |
434 |
92 |
181 |
287 |
356 |
43 |
0 |
| CDI |
0 |
376 |
132 |
358 |
556 |
1339 |
916 |
5 |
| VCDI |
0 |
10 |
23 |
187 |
1318 |
5514 |
35823 |
51108 |
|
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