Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-26:
| 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 |
60022 |
12270 |
74 |
64 |
32 |
1 |
0 |
0 |
| OW |
734 |
1504 |
177 |
213 |
99 |
12 |
1 |
0 |
| VODI |
1799 |
837 |
234 |
519 |
318 |
87 |
13 |
0 |
| ODI |
1807 |
366 |
128 |
326 |
493 |
228 |
23 |
0 |
| CDI |
0 |
326 |
92 |
314 |
706 |
1353 |
339 |
70 |
| VCDI |
0 |
313 |
98 |
300 |
522 |
5309 |
35107 |
53580 |
|
...date precedes bulletin
|
Date: 2024-01-28:
| 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 |
60453 |
11724 |
107 |
53 |
21 |
5 |
0 |
0 |
| OW |
724 |
1629 |
158 |
174 |
102 |
45 |
0 |
0 |
| VODI |
1790 |
910 |
213 |
496 |
306 |
112 |
31 |
0 |
| ODI |
1818 |
359 |
127 |
279 |
473 |
230 |
49 |
0 |
| CDI |
0 |
335 |
92 |
307 |
690 |
873 |
288 |
27 |
| VCDI |
0 |
503 |
179 |
405 |
752 |
4628 |
33375 |
55968 |
|
...date precedes bulletin
|
Date: 2024-01-30:
| 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 |
60653 |
12164 |
131 |
53 |
18 |
13 |
0 |
0 |
| OW |
745 |
2072 |
188 |
182 |
70 |
28 |
2 |
0 |
| VODI |
1804 |
634 |
242 |
543 |
298 |
81 |
12 |
0 |
| ODI |
1800 |
214 |
56 |
236 |
428 |
314 |
52 |
0 |
| CDI |
0 |
396 |
101 |
318 |
646 |
1097 |
446 |
3 |
| VCDI |
0 |
398 |
128 |
406 |
1059 |
5761 |
31806 |
55212 |
|
...date precedes bulletin
|
Date: 2024-02-01:
| 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 |
60480 |
12004 |
103 |
47 |
23 |
6 |
0 |
0 |
| OW |
780 |
1723 |
178 |
187 |
66 |
27 |
7 |
0 |
| VODI |
1806 |
821 |
263 |
517 |
273 |
78 |
19 |
0 |
| ODI |
1800 |
237 |
89 |
340 |
563 |
259 |
49 |
0 |
| CDI |
0 |
457 |
127 |
356 |
898 |
1597 |
690 |
1 |
| VCDI |
0 |
757 |
173 |
440 |
1084 |
6481 |
28281 |
56723 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60477 |
11986 |
102 |
58 |
23 |
7 |
0 |
0 |
| OW |
783 |
1741 |
188 |
181 |
60 |
27 |
7 |
0 |
| VODI |
1806 |
809 |
251 |
517 |
281 |
81 |
20 |
0 |
| ODI |
1800 |
267 |
99 |
331 |
564 |
269 |
44 |
0 |
| CDI |
0 |
428 |
117 |
340 |
884 |
1605 |
738 |
1 |
| VCDI |
0 |
768 |
176 |
460 |
1095 |
6459 |
28237 |
56723 |
|
Date: 2024-02-03:
| 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 |
58644 |
13143 |
159 |
204 |
34 |
0 |
0 |
0 |
| OW |
780 |
1682 |
251 |
274 |
99 |
21 |
1 |
0 |
| VODI |
1824 |
683 |
241 |
554 |
324 |
132 |
7 |
0 |
| ODI |
1803 |
241 |
73 |
367 |
599 |
320 |
77 |
0 |
| CDI |
0 |
318 |
149 |
435 |
761 |
1555 |
850 |
15 |
| VCDI |
0 |
966 |
180 |
597 |
1383 |
6901 |
24398 |
59765 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58659 |
13135 |
174 |
221 |
39 |
1 |
0 |
0 |
| OW |
773 |
1652 |
226 |
279 |
103 |
21 |
2 |
0 |
| VODI |
1817 |
732 |
248 |
519 |
328 |
146 |
8 |
0 |
| ODI |
1802 |
231 |
78 |
378 |
573 |
311 |
72 |
0 |
| CDI |
0 |
314 |
133 |
430 |
775 |
1626 |
915 |
68 |
| VCDI |
0 |
969 |
194 |
604 |
1382 |
6824 |
24336 |
59712 |
|
Date: 2024-02-05:
| 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 |
58680 |
13895 |
83 |
73 |
20 |
2 |
0 |
0 |
| OW |
796 |
1991 |
323 |
275 |
73 |
18 |
2 |
0 |
| VODI |
1817 |
424 |
244 |
681 |
383 |
71 |
13 |
0 |
| ODI |
1784 |
222 |
111 |
377 |
628 |
297 |
29 |
0 |
| CDI |
0 |
572 |
110 |
356 |
736 |
1946 |
753 |
0 |
| VCDI |
0 |
107 |
75 |
303 |
970 |
6336 |
28844 |
56390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58691 |
13038 |
91 |
97 |
20 |
5 |
0 |
0 |
| OW |
780 |
1782 |
203 |
248 |
118 |
43 |
13 |
0 |
| VODI |
1794 |
927 |
213 |
447 |
203 |
129 |
15 |
0 |
| ODI |
1812 |
304 |
124 |
331 |
463 |
214 |
49 |
1 |
| CDI |
0 |
380 |
129 |
423 |
738 |
1441 |
751 |
58 |
| VCDI |
0 |
780 |
186 |
519 |
1268 |
6838 |
28813 |
56331 |
|
Date: 2024-02-07:
| 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 |
58259 |
14055 |
107 |
60 |
28 |
4 |
0 |
0 |
| OW |
794 |
1778 |
220 |
277 |
117 |
22 |
8 |
0 |
| VODI |
1807 |
599 |
245 |
569 |
303 |
84 |
28 |
0 |
| ODI |
1800 |
201 |
105 |
380 |
634 |
246 |
42 |
0 |
| CDI |
0 |
212 |
83 |
329 |
817 |
2076 |
848 |
1 |
| VCDI |
0 |
288 |
101 |
453 |
1069 |
5660 |
27637 |
58464 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58222 |
13137 |
102 |
77 |
39 |
14 |
2 |
0 |
| OW |
771 |
1755 |
139 |
194 |
135 |
63 |
29 |
0 |
| VODI |
1840 |
914 |
203 |
343 |
190 |
81 |
46 |
0 |
| ODI |
1827 |
396 |
113 |
353 |
493 |
226 |
35 |
0 |
| CDI |
0 |
367 |
116 |
410 |
775 |
1764 |
720 |
3 |
| VCDI |
0 |
564 |
188 |
691 |
1336 |
5944 |
27731 |
58462 |
|
Date: 2024-02-09:
| 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 |
55823 |
15624 |
289 |
283 |
28 |
3 |
0 |
0 |
| OW |
725 |
1654 |
246 |
307 |
94 |
36 |
1 |
0 |
| VODI |
1791 |
622 |
267 |
562 |
297 |
119 |
17 |
0 |
| ODI |
1815 |
194 |
71 |
413 |
683 |
386 |
56 |
0 |
| CDI |
0 |
143 |
92 |
361 |
733 |
1848 |
763 |
0 |
| VCDI |
0 |
280 |
95 |
386 |
1169 |
5949 |
26518 |
60067 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55839 |
14763 |
288 |
296 |
77 |
26 |
0 |
0 |
| OW |
703 |
1539 |
168 |
247 |
118 |
88 |
15 |
0 |
| VODI |
1776 |
1006 |
223 |
462 |
182 |
123 |
35 |
0 |
| ODI |
1836 |
372 |
122 |
356 |
524 |
253 |
40 |
0 |
| CDI |
0 |
350 |
120 |
306 |
709 |
1570 |
660 |
2 |
| VCDI |
0 |
487 |
139 |
645 |
1394 |
6281 |
26605 |
60065 |
|
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