Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-23:
| 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 |
57650 |
13805 |
148 |
140 |
47 |
3 |
0 |
0 |
| OW |
688 |
1525 |
211 |
302 |
126 |
24 |
14 |
0 |
| VODI |
1777 |
651 |
218 |
425 |
288 |
80 |
66 |
0 |
| ODI |
1835 |
216 |
127 |
426 |
493 |
336 |
92 |
0 |
| CDI |
0 |
120 |
85 |
352 |
865 |
1729 |
1173 |
2 |
| VCDI |
0 |
69 |
50 |
264 |
1012 |
4685 |
31682 |
57009 |
|
...date precedes bulletin
|
Date: 2024-02-25:
| 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 |
57889 |
13666 |
81 |
124 |
30 |
9 |
3 |
0 |
| OW |
683 |
1658 |
192 |
206 |
55 |
26 |
26 |
0 |
| VODI |
1778 |
826 |
191 |
396 |
217 |
93 |
46 |
0 |
| ODI |
1834 |
386 |
159 |
385 |
309 |
269 |
108 |
0 |
| CDI |
0 |
238 |
131 |
481 |
758 |
1651 |
907 |
0 |
| VCDI |
0 |
237 |
94 |
324 |
933 |
5708 |
30527 |
57176 |
|
...date precedes bulletin
|
Date: 2024-02-27:
| 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 |
57031 |
14514 |
184 |
229 |
48 |
1 |
0 |
0 |
| OW |
658 |
1612 |
293 |
329 |
174 |
87 |
9 |
0 |
| VODI |
1790 |
373 |
207 |
566 |
376 |
134 |
37 |
0 |
| ODI |
1817 |
152 |
59 |
324 |
639 |
348 |
75 |
0 |
| CDI |
0 |
239 |
72 |
240 |
1016 |
2112 |
1341 |
4 |
| VCDI |
0 |
160 |
57 |
187 |
615 |
5519 |
32742 |
54440 |
|
...date precedes bulletin
|
Date: 2024-02-29:
| 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 |
57550 |
14212 |
124 |
132 |
36 |
8 |
0 |
0 |
| OW |
629 |
1663 |
193 |
305 |
102 |
66 |
12 |
0 |
| VODI |
1783 |
734 |
183 |
451 |
178 |
144 |
27 |
0 |
| ODI |
1827 |
311 |
109 |
434 |
488 |
220 |
69 |
0 |
| CDI |
0 |
318 |
94 |
421 |
1155 |
1305 |
944 |
0 |
| VCDI |
0 |
186 |
97 |
352 |
1090 |
5769 |
33467 |
53622 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57550 |
14306 |
128 |
140 |
33 |
9 |
0 |
0 |
| OW |
629 |
1591 |
187 |
308 |
101 |
66 |
12 |
0 |
| VODI |
1783 |
713 |
186 |
445 |
194 |
170 |
29 |
0 |
| ODI |
1827 |
295 |
107 |
416 |
465 |
204 |
80 |
0 |
| CDI |
0 |
325 |
94 |
418 |
1160 |
1269 |
940 |
2 |
| VCDI |
0 |
194 |
98 |
368 |
1096 |
5794 |
33458 |
53620 |
|
Date: 2024-03-02:
| 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 |
58634 |
13123 |
96 |
97 |
27 |
2 |
0 |
0 |
| OW |
611 |
1590 |
173 |
327 |
79 |
40 |
2 |
0 |
| VODI |
1779 |
718 |
209 |
518 |
222 |
100 |
25 |
0 |
| ODI |
1833 |
317 |
117 |
492 |
529 |
245 |
28 |
0 |
| CDI |
0 |
441 |
111 |
377 |
1175 |
1545 |
588 |
0 |
| VCDI |
0 |
204 |
98 |
376 |
917 |
6866 |
31171 |
55008 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58634 |
13228 |
97 |
109 |
22 |
3 |
0 |
0 |
| OW |
611 |
1528 |
177 |
322 |
90 |
40 |
1 |
0 |
| VODI |
1778 |
669 |
209 |
500 |
225 |
110 |
30 |
0 |
| ODI |
1834 |
310 |
105 |
485 |
556 |
226 |
23 |
0 |
| CDI |
0 |
417 |
107 |
365 |
1117 |
1445 |
566 |
0 |
| VCDI |
0 |
241 |
109 |
406 |
939 |
6974 |
31194 |
55008 |
|
Date: 2024-03-04:
| 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 |
57082 |
14495 |
156 |
135 |
41 |
18 |
0 |
0 |
| OW |
645 |
1525 |
301 |
252 |
44 |
19 |
20 |
0 |
| VODI |
1797 |
392 |
258 |
789 |
289 |
34 |
14 |
0 |
| ODI |
1817 |
161 |
85 |
445 |
897 |
296 |
61 |
0 |
| CDI |
0 |
104 |
72 |
344 |
1275 |
2601 |
856 |
0 |
| VCDI |
0 |
2 |
4 |
59 |
546 |
5393 |
31475 |
56011 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57106 |
14152 |
165 |
166 |
26 |
0 |
0 |
0 |
| OW |
622 |
1297 |
237 |
343 |
129 |
54 |
25 |
0 |
| VODI |
1775 |
575 |
189 |
490 |
334 |
104 |
57 |
0 |
| ODI |
1838 |
280 |
101 |
312 |
592 |
204 |
44 |
0 |
| CDI |
0 |
288 |
137 |
492 |
1060 |
1755 |
1016 |
1 |
| VCDI |
0 |
87 |
47 |
221 |
951 |
6244 |
31284 |
56010 |
|
Date: 2024-03-06:
| 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 |
57555 |
14076 |
69 |
92 |
16 |
11 |
0 |
0 |
| OW |
670 |
1494 |
289 |
312 |
52 |
17 |
7 |
0 |
| VODI |
1788 |
491 |
212 |
585 |
327 |
47 |
13 |
0 |
| ODI |
1820 |
202 |
107 |
420 |
626 |
343 |
35 |
0 |
| CDI |
0 |
151 |
96 |
368 |
948 |
2828 |
1015 |
1 |
| VCDI |
0 |
12 |
10 |
92 |
482 |
4246 |
28865 |
60020 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57587 |
13563 |
132 |
153 |
27 |
19 |
1 |
0 |
| OW |
633 |
1325 |
192 |
324 |
114 |
33 |
14 |
0 |
| VODI |
1772 |
744 |
165 |
420 |
304 |
109 |
25 |
0 |
| ODI |
1841 |
333 |
103 |
274 |
480 |
275 |
24 |
0 |
| CDI |
0 |
358 |
115 |
451 |
862 |
2133 |
939 |
1 |
| VCDI |
0 |
103 |
76 |
247 |
664 |
4923 |
28932 |
60020 |
|
Date: 2024-03-08:
| 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 |
57591 |
13768 |
89 |
74 |
14 |
3 |
2 |
0 |
| OW |
639 |
1462 |
270 |
306 |
64 |
13 |
18 |
0 |
| VODI |
1783 |
531 |
232 |
588 |
375 |
48 |
18 |
0 |
| ODI |
1827 |
214 |
107 |
409 |
601 |
327 |
41 |
0 |
| CDI |
0 |
157 |
63 |
333 |
876 |
2545 |
1501 |
1 |
| VCDI |
0 |
19 |
23 |
77 |
547 |
3867 |
26021 |
63366 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57591 |
13224 |
176 |
186 |
78 |
7 |
12 |
0 |
| OW |
636 |
1369 |
164 |
290 |
129 |
15 |
17 |
0 |
| VODI |
1764 |
793 |
177 |
407 |
375 |
86 |
16 |
0 |
| ODI |
1849 |
381 |
107 |
284 |
430 |
329 |
35 |
0 |
| CDI |
0 |
298 |
111 |
459 |
709 |
2110 |
978 |
0 |
| VCDI |
0 |
86 |
49 |
161 |
756 |
4256 |
26543 |
63367 |
|
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