Validation of sea ice concentration - Full domain
Bulletin date: 2021-03-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-12:
| 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 |
68903 |
14628 |
140 |
500 |
172 |
34 |
6 |
0 |
| OW |
54 |
530 |
61 |
507 |
130 |
13 |
1 |
0 |
| VODI |
0 |
289 |
45 |
493 |
510 |
42 |
1 |
0 |
| ODI |
0 |
128 |
22 |
200 |
569 |
171 |
6 |
0 |
| CDI |
0 |
70 |
20 |
177 |
551 |
671 |
182 |
84 |
| VCDI |
0 |
25 |
12 |
299 |
1385 |
4600 |
22952 |
67865 |
|
...date precedes bulletin
|
Date: 2021-03-14:
| 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 |
68974 |
14249 |
114 |
540 |
221 |
13 |
0 |
0 |
| OW |
54 |
694 |
80 |
409 |
171 |
28 |
1 |
0 |
| VODI |
0 |
326 |
38 |
536 |
379 |
59 |
25 |
0 |
| ODI |
0 |
149 |
18 |
204 |
507 |
132 |
33 |
0 |
| CDI |
0 |
88 |
15 |
184 |
541 |
531 |
191 |
4 |
| VCDI |
0 |
40 |
14 |
359 |
1360 |
5697 |
31131 |
58939 |
|
...date precedes bulletin
|
Date: 2021-03-16:
| 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 |
69272 |
13749 |
126 |
623 |
252 |
3 |
0 |
0 |
| OW |
55 |
536 |
80 |
386 |
225 |
35 |
0 |
0 |
| VODI |
0 |
238 |
36 |
511 |
387 |
84 |
2 |
0 |
| ODI |
0 |
76 |
9 |
241 |
645 |
156 |
24 |
0 |
| CDI |
0 |
43 |
11 |
112 |
692 |
473 |
133 |
20 |
| VCDI |
0 |
8 |
4 |
121 |
1112 |
5215 |
26179 |
65174 |
|
...date precedes bulletin
|
Date: 2021-03-18:
| 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 |
68837 |
14054 |
134 |
534 |
230 |
31 |
0 |
0 |
| OW |
63 |
503 |
76 |
417 |
216 |
56 |
0 |
0 |
| VODI |
0 |
197 |
40 |
468 |
480 |
91 |
1 |
0 |
| ODI |
0 |
61 |
10 |
198 |
619 |
261 |
0 |
0 |
| CDI |
0 |
28 |
11 |
126 |
830 |
870 |
91 |
15 |
| VCDI |
0 |
3 |
4 |
61 |
813 |
5121 |
19496 |
72002 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68844 |
14070 |
130 |
538 |
249 |
35 |
0 |
0 |
| OW |
56 |
482 |
78 |
377 |
192 |
50 |
0 |
0 |
| VODI |
0 |
211 |
42 |
512 |
428 |
95 |
1 |
0 |
| ODI |
0 |
60 |
15 |
191 |
685 |
261 |
0 |
0 |
| CDI |
0 |
22 |
6 |
137 |
837 |
891 |
94 |
7 |
| VCDI |
0 |
1 |
4 |
49 |
797 |
5098 |
19493 |
72010 |
|
Date: 2021-03-20:
| 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 |
68427 |
14648 |
130 |
462 |
183 |
39 |
0 |
0 |
| OW |
59 |
541 |
98 |
525 |
105 |
6 |
0 |
0 |
| VODI |
0 |
284 |
38 |
597 |
416 |
23 |
0 |
0 |
| ODI |
0 |
131 |
13 |
267 |
639 |
128 |
0 |
0 |
| CDI |
0 |
64 |
20 |
202 |
833 |
911 |
68 |
35 |
| VCDI |
0 |
29 |
7 |
250 |
1822 |
5799 |
15666 |
73583 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68432 |
14648 |
122 |
458 |
193 |
42 |
0 |
0 |
| OW |
54 |
579 |
104 |
463 |
106 |
3 |
0 |
0 |
| VODI |
0 |
270 |
41 |
668 |
335 |
19 |
0 |
0 |
| ODI |
0 |
120 |
15 |
279 |
728 |
147 |
0 |
0 |
| CDI |
0 |
59 |
17 |
197 |
831 |
869 |
77 |
21 |
| VCDI |
0 |
21 |
7 |
238 |
1805 |
5826 |
15657 |
73597 |
|
Date: 2021-03-22:
| 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 |
67926 |
15086 |
184 |
604 |
202 |
11 |
0 |
0 |
| OW |
53 |
489 |
67 |
592 |
181 |
7 |
0 |
0 |
| VODI |
0 |
224 |
50 |
535 |
669 |
31 |
0 |
0 |
| ODI |
0 |
71 |
12 |
229 |
925 |
146 |
0 |
0 |
| CDI |
0 |
60 |
3 |
107 |
1040 |
1004 |
72 |
51 |
| VCDI |
0 |
73 |
14 |
226 |
1315 |
5150 |
19453 |
70186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67926 |
14784 |
164 |
591 |
288 |
11 |
0 |
0 |
| OW |
53 |
544 |
76 |
474 |
215 |
17 |
0 |
0 |
| VODI |
0 |
325 |
44 |
517 |
538 |
70 |
0 |
0 |
| ODI |
0 |
135 |
15 |
213 |
767 |
174 |
1 |
0 |
| CDI |
0 |
97 |
14 |
149 |
860 |
702 |
153 |
72 |
| VCDI |
0 |
118 |
17 |
349 |
1664 |
5375 |
19371 |
70165 |
|
Date: 2021-03-24:
| 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 |
67865 |
15181 |
168 |
660 |
231 |
2 |
0 |
0 |
| OW |
53 |
506 |
68 |
511 |
256 |
8 |
0 |
0 |
| VODI |
0 |
278 |
39 |
503 |
619 |
83 |
4 |
0 |
| ODI |
0 |
110 |
14 |
267 |
576 |
205 |
34 |
0 |
| CDI |
0 |
92 |
13 |
162 |
856 |
628 |
88 |
23 |
| VCDI |
0 |
191 |
20 |
370 |
1794 |
5125 |
21772 |
67673 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67865 |
14814 |
162 |
703 |
323 |
2 |
0 |
0 |
| OW |
53 |
521 |
59 |
477 |
310 |
23 |
0 |
0 |
| VODI |
0 |
358 |
39 |
400 |
626 |
119 |
0 |
0 |
| ODI |
0 |
192 |
17 |
234 |
441 |
209 |
17 |
1 |
| CDI |
0 |
154 |
13 |
173 |
654 |
488 |
70 |
84 |
| VCDI |
0 |
319 |
32 |
486 |
1978 |
5210 |
21811 |
67611 |
|
Date: 2021-03-26:
| 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 |
68095 |
14938 |
158 |
711 |
250 |
11 |
0 |
0 |
| OW |
53 |
556 |
59 |
527 |
281 |
12 |
0 |
0 |
| VODI |
0 |
336 |
43 |
438 |
524 |
83 |
0 |
0 |
| ODI |
0 |
140 |
15 |
236 |
491 |
147 |
11 |
0 |
| CDI |
0 |
119 |
12 |
188 |
602 |
566 |
61 |
67 |
| VCDI |
0 |
71 |
19 |
376 |
1744 |
5135 |
16401 |
73572 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68094 |
14432 |
162 |
744 |
357 |
15 |
0 |
0 |
| OW |
54 |
571 |
47 |
433 |
263 |
39 |
0 |
0 |
| VODI |
0 |
427 |
29 |
430 |
503 |
107 |
0 |
0 |
| ODI |
0 |
254 |
23 |
170 |
444 |
171 |
5 |
0 |
| CDI |
0 |
191 |
17 |
205 |
563 |
608 |
138 |
71 |
| VCDI |
0 |
285 |
28 |
494 |
1762 |
5014 |
16330 |
73568 |
|
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