Validation of sea ice concentration - Full domain
Bulletin date: 2024-04-04
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-29:
| 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 |
61450 |
16471 |
263 |
185 |
46 |
0 |
0 |
0 |
| OW |
1 |
1459 |
459 |
891 |
145 |
4 |
0 |
0 |
| VODI |
0 |
276 |
241 |
1240 |
764 |
19 |
0 |
0 |
| ODI |
0 |
24 |
42 |
551 |
1294 |
509 |
16 |
0 |
| CDI |
0 |
1 |
13 |
324 |
1650 |
2443 |
1380 |
22 |
| VCDI |
0 |
0 |
0 |
56 |
781 |
5400 |
26384 |
69939 |
|
...date precedes bulletin
|
Date: 2024-03-31:
| 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 |
60915 |
16570 |
239 |
200 |
22 |
0 |
0 |
0 |
| OW |
0 |
1583 |
404 |
934 |
169 |
10 |
0 |
0 |
| VODI |
0 |
352 |
241 |
1210 |
885 |
106 |
0 |
0 |
| ODI |
0 |
50 |
80 |
618 |
1371 |
726 |
15 |
0 |
| CDI |
0 |
2 |
17 |
403 |
1595 |
2458 |
1373 |
7 |
| VCDI |
0 |
0 |
1 |
163 |
1206 |
6109 |
29203 |
65506 |
|
...date precedes bulletin
|
Date: 2024-04-02:
| 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 |
61439 |
16677 |
215 |
152 |
22 |
0 |
0 |
0 |
| OW |
0 |
1473 |
447 |
631 |
87 |
3 |
1 |
0 |
| VODI |
0 |
192 |
270 |
1602 |
513 |
44 |
4 |
0 |
| ODI |
0 |
2 |
30 |
618 |
1528 |
205 |
12 |
0 |
| CDI |
0 |
0 |
7 |
379 |
1807 |
3013 |
591 |
30 |
| VCDI |
0 |
0 |
0 |
41 |
462 |
5236 |
25135 |
71875 |
|
...date precedes bulletin
|
Date: 2024-04-04:
| 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 |
61815 |
16474 |
166 |
109 |
9 |
0 |
0 |
0 |
| OW |
0 |
1492 |
427 |
684 |
100 |
0 |
0 |
0 |
| VODI |
0 |
393 |
346 |
1258 |
390 |
24 |
2 |
0 |
| ODI |
0 |
47 |
73 |
882 |
1102 |
247 |
24 |
10 |
| CDI |
0 |
0 |
13 |
547 |
1949 |
2801 |
1639 |
92 |
| VCDI |
0 |
0 |
0 |
44 |
711 |
3937 |
22758 |
74178 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61815 |
16598 |
184 |
113 |
9 |
0 |
0 |
0 |
| OW |
0 |
1360 |
419 |
675 |
122 |
2 |
0 |
0 |
| VODI |
0 |
401 |
329 |
1230 |
348 |
25 |
1 |
0 |
| ODI |
0 |
46 |
74 |
898 |
1007 |
221 |
20 |
12 |
| CDI |
0 |
1 |
19 |
542 |
2031 |
2842 |
1731 |
109 |
| VCDI |
0 |
0 |
0 |
66 |
744 |
3919 |
22671 |
74159 |
|
Date: 2024-04-06:
| 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 |
62480 |
15971 |
144 |
79 |
27 |
0 |
0 |
0 |
| OW |
0 |
1626 |
472 |
586 |
132 |
3 |
0 |
0 |
| VODI |
0 |
557 |
282 |
1133 |
336 |
54 |
0 |
0 |
| ODI |
0 |
82 |
141 |
738 |
850 |
267 |
19 |
7 |
| CDI |
0 |
15 |
25 |
584 |
1877 |
2900 |
1922 |
45 |
| VCDI |
0 |
0 |
0 |
32 |
666 |
4571 |
24390 |
71730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62480 |
16143 |
187 |
89 |
27 |
0 |
0 |
0 |
| OW |
0 |
1452 |
424 |
620 |
140 |
5 |
0 |
0 |
| VODI |
0 |
531 |
279 |
1063 |
304 |
53 |
0 |
2 |
| ODI |
0 |
103 |
144 |
718 |
811 |
226 |
17 |
9 |
| CDI |
0 |
22 |
30 |
609 |
1857 |
2950 |
2099 |
57 |
| VCDI |
0 |
0 |
0 |
53 |
749 |
4561 |
24215 |
71714 |
|
Date: 2024-04-08:
| 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 |
61764 |
16907 |
208 |
135 |
24 |
0 |
0 |
0 |
| OW |
0 |
1437 |
711 |
591 |
46 |
0 |
0 |
0 |
| VODI |
0 |
41 |
157 |
2070 |
367 |
10 |
2 |
0 |
| ODI |
0 |
1 |
9 |
455 |
1845 |
164 |
8 |
0 |
| CDI |
0 |
0 |
9 |
102 |
1733 |
3696 |
448 |
50 |
| VCDI |
0 |
0 |
0 |
34 |
234 |
4656 |
29134 |
67695 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61764 |
16258 |
241 |
187 |
41 |
0 |
0 |
0 |
| OW |
0 |
1497 |
391 |
589 |
131 |
11 |
0 |
0 |
| VODI |
0 |
547 |
307 |
1101 |
321 |
75 |
11 |
0 |
| ODI |
0 |
79 |
126 |
856 |
1001 |
227 |
58 |
0 |
| CDI |
0 |
4 |
19 |
548 |
2076 |
3004 |
2259 |
54 |
| VCDI |
0 |
1 |
10 |
106 |
679 |
5209 |
27264 |
67691 |
|
Date: 2024-04-10:
| 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 |
62073 |
16473 |
265 |
162 |
16 |
0 |
0 |
0 |
| OW |
3 |
1347 |
500 |
896 |
90 |
0 |
0 |
0 |
| VODI |
0 |
142 |
226 |
1458 |
683 |
15 |
3 |
0 |
| ODI |
0 |
4 |
10 |
439 |
1277 |
433 |
26 |
2 |
| CDI |
0 |
0 |
7 |
191 |
1721 |
3229 |
1100 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
260 |
4609 |
25988 |
71072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62076 |
15528 |
274 |
247 |
35 |
0 |
0 |
0 |
| OW |
0 |
1517 |
257 |
621 |
168 |
21 |
1 |
0 |
| VODI |
0 |
724 |
288 |
950 |
458 |
93 |
23 |
0 |
| ODI |
0 |
186 |
144 |
698 |
863 |
386 |
79 |
10 |
| CDI |
0 |
11 |
45 |
599 |
2055 |
3054 |
2388 |
53 |
| VCDI |
0 |
0 |
0 |
31 |
468 |
4732 |
24626 |
71034 |
|
Date: 2024-04-12:
| 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 |
62369 |
15959 |
200 |
150 |
16 |
0 |
0 |
0 |
| OW |
0 |
1664 |
431 |
669 |
104 |
1 |
0 |
0 |
| VODI |
0 |
355 |
362 |
1422 |
468 |
64 |
0 |
0 |
| ODI |
0 |
26 |
30 |
816 |
1220 |
300 |
70 |
6 |
| CDI |
0 |
12 |
18 |
328 |
2298 |
3061 |
1120 |
49 |
| VCDI |
0 |
0 |
0 |
26 |
542 |
6091 |
26966 |
67530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62369 |
15045 |
239 |
323 |
86 |
21 |
0 |
0 |
| OW |
0 |
1653 |
246 |
391 |
149 |
42 |
32 |
0 |
| VODI |
0 |
961 |
299 |
877 |
265 |
106 |
55 |
1 |
| ODI |
0 |
302 |
181 |
985 |
801 |
242 |
99 |
20 |
| CDI |
0 |
55 |
76 |
804 |
2607 |
2814 |
2139 |
154 |
| VCDI |
0 |
0 |
0 |
31 |
740 |
6292 |
25831 |
67410 |
|
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