Validation of sea ice concentration - Full domain
Bulletin date: 2020-05-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-05-15:
| 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 |
74404 |
15170 |
186 |
1125 |
566 |
79 |
3 |
0 |
| OW |
58 |
528 |
78 |
749 |
772 |
136 |
18 |
0 |
| VODI |
0 |
342 |
53 |
618 |
1483 |
282 |
142 |
0 |
| ODI |
0 |
117 |
22 |
489 |
1273 |
575 |
346 |
68 |
| CDI |
0 |
63 |
16 |
375 |
2070 |
2317 |
1154 |
178 |
| VCDI |
0 |
11 |
8 |
218 |
2034 |
8186 |
31914 |
38822 |
|
...date precedes bulletin
|
Date: 2020-05-17:
| 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 |
74751 |
15235 |
206 |
1242 |
756 |
112 |
8 |
0 |
| OW |
53 |
687 |
67 |
739 |
730 |
153 |
69 |
0 |
| VODI |
0 |
480 |
53 |
548 |
1379 |
324 |
219 |
0 |
| ODI |
0 |
155 |
31 |
509 |
1136 |
700 |
477 |
8 |
| CDI |
0 |
82 |
23 |
446 |
2204 |
3087 |
1760 |
29 |
| VCDI |
0 |
15 |
3 |
258 |
1777 |
7220 |
34405 |
34912 |
|
...date precedes bulletin
|
Date: 2020-05-19:
| 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 |
74797 |
16220 |
263 |
1599 |
636 |
55 |
1 |
0 |
| OW |
51 |
520 |
78 |
984 |
692 |
82 |
14 |
0 |
| VODI |
0 |
184 |
21 |
664 |
1846 |
284 |
31 |
0 |
| ODI |
0 |
79 |
12 |
255 |
1691 |
917 |
112 |
0 |
| CDI |
0 |
36 |
11 |
389 |
2426 |
4877 |
1649 |
0 |
| VCDI |
0 |
0 |
0 |
91 |
1376 |
8474 |
31370 |
34261 |
|
...date precedes bulletin
|
Date: 2020-05-21:
| 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 |
76848 |
14851 |
260 |
1741 |
659 |
40 |
0 |
0 |
| OW |
50 |
426 |
66 |
1073 |
825 |
134 |
13 |
0 |
| VODI |
0 |
167 |
31 |
611 |
1824 |
463 |
47 |
1 |
| ODI |
0 |
63 |
15 |
289 |
1318 |
1036 |
203 |
2 |
| CDI |
0 |
52 |
11 |
395 |
2967 |
4640 |
2242 |
3 |
| VCDI |
0 |
2 |
4 |
62 |
893 |
8693 |
38910 |
25118 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76848 |
15061 |
278 |
1983 |
769 |
54 |
4 |
0 |
| OW |
50 |
286 |
52 |
856 |
776 |
136 |
7 |
0 |
| VODI |
0 |
114 |
28 |
616 |
1690 |
493 |
43 |
0 |
| ODI |
0 |
47 |
15 |
268 |
1446 |
1021 |
210 |
3 |
| CDI |
0 |
40 |
9 |
383 |
2910 |
4653 |
2216 |
3 |
| VCDI |
0 |
13 |
5 |
65 |
895 |
8649 |
38935 |
25118 |
|
Date: 2020-05-23:
| 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 |
76220 |
15932 |
310 |
2159 |
670 |
37 |
0 |
0 |
| OW |
50 |
440 |
61 |
907 |
977 |
153 |
34 |
0 |
| VODI |
0 |
189 |
25 |
526 |
1717 |
582 |
64 |
0 |
| ODI |
0 |
112 |
18 |
335 |
1117 |
1395 |
385 |
3 |
| CDI |
0 |
62 |
18 |
449 |
2571 |
5249 |
2339 |
20 |
| VCDI |
0 |
0 |
0 |
79 |
763 |
10447 |
38513 |
22120 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76220 |
16141 |
328 |
2465 |
791 |
76 |
13 |
0 |
| OW |
50 |
292 |
45 |
650 |
928 |
149 |
17 |
0 |
| VODI |
0 |
151 |
28 |
505 |
1636 |
578 |
57 |
0 |
| ODI |
0 |
77 |
15 |
333 |
1205 |
1418 |
311 |
1 |
| CDI |
0 |
70 |
10 |
413 |
2383 |
5223 |
2389 |
19 |
| VCDI |
0 |
4 |
6 |
89 |
872 |
10419 |
38548 |
22123 |
|
Date: 2020-05-25:
| 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 |
76500 |
16229 |
298 |
1775 |
660 |
19 |
0 |
0 |
| OW |
50 |
375 |
93 |
1177 |
441 |
30 |
2 |
0 |
| VODI |
0 |
112 |
22 |
935 |
1779 |
178 |
59 |
0 |
| ODI |
0 |
30 |
9 |
313 |
2831 |
1149 |
109 |
0 |
| CDI |
0 |
3 |
2 |
160 |
2136 |
7538 |
1858 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
284 |
11595 |
36596 |
21682 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76515 |
16020 |
311 |
2389 |
1117 |
110 |
33 |
0 |
| OW |
35 |
324 |
53 |
560 |
1081 |
297 |
47 |
0 |
| VODI |
0 |
245 |
31 |
554 |
1375 |
792 |
99 |
0 |
| ODI |
0 |
105 |
14 |
365 |
1582 |
1580 |
474 |
0 |
| CDI |
0 |
48 |
13 |
420 |
2181 |
5589 |
4087 |
11 |
| VCDI |
0 |
7 |
2 |
91 |
795 |
12141 |
33884 |
21671 |
|
Date: 2020-05-27:
| 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 |
76996 |
16424 |
368 |
2370 |
638 |
28 |
0 |
0 |
| OW |
35 |
197 |
55 |
1301 |
817 |
80 |
16 |
0 |
| VODI |
0 |
83 |
9 |
561 |
2192 |
398 |
105 |
0 |
| ODI |
0 |
28 |
7 |
235 |
2252 |
1576 |
220 |
0 |
| CDI |
0 |
25 |
5 |
176 |
2194 |
7230 |
3482 |
1 |
| VCDI |
0 |
5 |
6 |
41 |
458 |
9856 |
30328 |
26250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77000 |
16045 |
326 |
2618 |
1281 |
157 |
62 |
0 |
| OW |
31 |
311 |
55 |
625 |
1040 |
310 |
76 |
0 |
| VODI |
0 |
238 |
30 |
604 |
1419 |
1011 |
236 |
0 |
| ODI |
0 |
91 |
20 |
350 |
1540 |
2171 |
611 |
0 |
| CDI |
0 |
47 |
11 |
390 |
2358 |
5686 |
5138 |
10 |
| VCDI |
0 |
30 |
8 |
97 |
913 |
9833 |
28028 |
26241 |
|
Date: 2020-05-29:
| 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 |
76501 |
17213 |
397 |
2592 |
1001 |
82 |
1 |
0 |
| OW |
30 |
227 |
36 |
1049 |
1264 |
129 |
14 |
0 |
| VODI |
0 |
98 |
24 |
462 |
2476 |
632 |
79 |
0 |
| ODI |
0 |
33 |
10 |
254 |
1660 |
2599 |
306 |
0 |
| CDI |
0 |
36 |
4 |
179 |
1987 |
6936 |
4667 |
3 |
| VCDI |
0 |
12 |
3 |
41 |
461 |
7851 |
25986 |
29713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76502 |
16846 |
370 |
2660 |
1882 |
290 |
61 |
0 |
| OW |
29 |
319 |
35 |
579 |
1121 |
452 |
102 |
0 |
| VODI |
0 |
265 |
31 |
566 |
1497 |
1235 |
356 |
0 |
| ODI |
0 |
98 |
25 |
298 |
1299 |
2123 |
872 |
1 |
| CDI |
0 |
49 |
8 |
377 |
2235 |
6604 |
5620 |
32 |
| VCDI |
0 |
42 |
5 |
97 |
815 |
7525 |
24042 |
29683 |
|
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