Validation of sea ice concentration - Full domain
Bulletin date: 2020-04-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-24:
| 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 |
69680 |
15401 |
266 |
1925 |
726 |
5 |
0 |
0 |
| OW |
63 |
254 |
62 |
423 |
590 |
49 |
3 |
0 |
| VODI |
0 |
34 |
19 |
389 |
927 |
194 |
17 |
0 |
| ODI |
0 |
40 |
1 |
269 |
824 |
539 |
80 |
8 |
| CDI |
0 |
18 |
9 |
181 |
1042 |
2211 |
544 |
31 |
| VCDI |
0 |
6 |
1 |
71 |
1081 |
7676 |
24854 |
56535 |
|
...date precedes bulletin
|
Date: 2020-04-26:
| 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 |
70107 |
15381 |
242 |
1935 |
678 |
14 |
0 |
0 |
| OW |
67 |
324 |
42 |
399 |
632 |
78 |
2 |
0 |
| VODI |
0 |
110 |
56 |
390 |
817 |
301 |
22 |
0 |
| ODI |
0 |
72 |
12 |
251 |
754 |
601 |
144 |
0 |
| CDI |
0 |
60 |
12 |
154 |
1144 |
2283 |
698 |
59 |
| VCDI |
0 |
30 |
12 |
135 |
1284 |
7269 |
27049 |
53428 |
|
...date precedes bulletin
|
Date: 2020-04-28:
| 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 |
69903 |
15488 |
256 |
1985 |
621 |
24 |
0 |
0 |
| OW |
65 |
152 |
55 |
576 |
637 |
46 |
0 |
0 |
| VODI |
0 |
78 |
18 |
429 |
1121 |
234 |
28 |
0 |
| ODI |
0 |
22 |
6 |
115 |
1249 |
926 |
165 |
3 |
| CDI |
0 |
10 |
3 |
60 |
1134 |
3138 |
980 |
9 |
| VCDI |
0 |
1 |
0 |
68 |
427 |
6250 |
27274 |
53492 |
|
...date precedes bulletin
|
Date: 2020-04-30:
| 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 |
70309 |
15260 |
235 |
2076 |
646 |
10 |
0 |
0 |
| OW |
63 |
185 |
39 |
571 |
744 |
72 |
1 |
0 |
| VODI |
0 |
42 |
19 |
362 |
996 |
418 |
31 |
0 |
| ODI |
0 |
15 |
6 |
133 |
1277 |
912 |
178 |
6 |
| CDI |
0 |
9 |
4 |
74 |
1252 |
2997 |
1385 |
131 |
| VCDI |
0 |
8 |
3 |
44 |
368 |
9158 |
31757 |
45252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70308 |
15255 |
234 |
2127 |
717 |
19 |
0 |
0 |
| OW |
64 |
186 |
38 |
466 |
671 |
76 |
1 |
0 |
| VODI |
0 |
47 |
21 |
424 |
973 |
442 |
34 |
0 |
| ODI |
0 |
14 |
6 |
124 |
1251 |
754 |
165 |
0 |
| CDI |
0 |
7 |
3 |
74 |
1248 |
3125 |
1409 |
95 |
| VCDI |
0 |
10 |
4 |
45 |
423 |
9151 |
31743 |
45294 |
|
Date: 2020-05-02:
| 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 |
70531 |
15275 |
258 |
1950 |
979 |
10 |
0 |
0 |
| OW |
63 |
165 |
41 |
450 |
801 |
163 |
5 |
0 |
| VODI |
0 |
44 |
9 |
217 |
965 |
545 |
50 |
0 |
| ODI |
0 |
20 |
4 |
121 |
1009 |
1187 |
124 |
5 |
| CDI |
0 |
12 |
4 |
63 |
766 |
3422 |
1523 |
70 |
| VCDI |
0 |
8 |
2 |
55 |
364 |
6841 |
27654 |
51273 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70531 |
15269 |
254 |
2015 |
1109 |
27 |
0 |
0 |
| OW |
63 |
160 |
37 |
336 |
657 |
167 |
8 |
0 |
| VODI |
0 |
59 |
18 |
262 |
943 |
523 |
51 |
0 |
| ODI |
0 |
16 |
4 |
127 |
991 |
1078 |
141 |
3 |
| CDI |
0 |
8 |
2 |
60 |
763 |
3449 |
1344 |
20 |
| VCDI |
0 |
12 |
3 |
56 |
421 |
6924 |
27812 |
51325 |
|
Date: 2020-05-04:
| 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 |
71070 |
15168 |
247 |
1744 |
377 |
0 |
0 |
0 |
| OW |
65 |
213 |
78 |
690 |
431 |
2 |
0 |
0 |
| VODI |
0 |
20 |
11 |
403 |
1040 |
76 |
11 |
0 |
| ODI |
0 |
1 |
1 |
66 |
1881 |
635 |
68 |
1 |
| CDI |
0 |
0 |
0 |
8 |
813 |
3718 |
652 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
298 |
5025 |
29599 |
52624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71072 |
15165 |
271 |
2149 |
858 |
9 |
4 |
0 |
| OW |
63 |
128 |
27 |
343 |
705 |
110 |
11 |
0 |
| VODI |
0 |
105 |
34 |
209 |
1002 |
386 |
66 |
0 |
| ODI |
0 |
4 |
5 |
134 |
914 |
816 |
230 |
0 |
| CDI |
0 |
0 |
0 |
53 |
922 |
2868 |
1279 |
21 |
| VCDI |
0 |
0 |
0 |
23 |
439 |
5267 |
28740 |
52616 |
|
Date: 2020-05-06:
| 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 |
71482 |
15437 |
256 |
1575 |
300 |
2 |
0 |
0 |
| OW |
64 |
173 |
60 |
707 |
505 |
10 |
5 |
0 |
| VODI |
0 |
16 |
9 |
506 |
1051 |
137 |
28 |
0 |
| ODI |
0 |
0 |
0 |
122 |
1557 |
676 |
83 |
0 |
| CDI |
0 |
0 |
0 |
32 |
1094 |
2666 |
660 |
19 |
| VCDI |
0 |
0 |
0 |
2 |
509 |
7068 |
26074 |
54163 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71483 |
15417 |
264 |
1844 |
842 |
23 |
21 |
0 |
| OW |
63 |
128 |
27 |
337 |
628 |
139 |
33 |
0 |
| VODI |
0 |
62 |
25 |
400 |
934 |
363 |
121 |
0 |
| ODI |
0 |
12 |
4 |
228 |
838 |
627 |
184 |
3 |
| CDI |
0 |
7 |
3 |
100 |
1050 |
2799 |
852 |
97 |
| VCDI |
0 |
0 |
2 |
35 |
724 |
6608 |
25639 |
54082 |
|
Date: 2020-05-08:
| 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 |
72137 |
15381 |
242 |
1332 |
319 |
4 |
0 |
0 |
| OW |
63 |
339 |
74 |
606 |
532 |
16 |
7 |
0 |
| VODI |
0 |
92 |
26 |
498 |
1015 |
310 |
34 |
0 |
| ODI |
0 |
30 |
13 |
211 |
1183 |
671 |
87 |
0 |
| CDI |
0 |
6 |
3 |
91 |
1195 |
2276 |
691 |
62 |
| VCDI |
0 |
2 |
1 |
50 |
911 |
7613 |
28682 |
50243 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72138 |
15308 |
236 |
1480 |
766 |
93 |
21 |
0 |
| OW |
62 |
237 |
37 |
362 |
538 |
258 |
63 |
0 |
| VODI |
0 |
155 |
41 |
425 |
785 |
391 |
145 |
1 |
| ODI |
0 |
87 |
21 |
243 |
777 |
672 |
199 |
26 |
| CDI |
0 |
42 |
14 |
157 |
1206 |
2379 |
1116 |
44 |
| VCDI |
0 |
21 |
10 |
121 |
1083 |
7097 |
27957 |
50234 |
|
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