Validation of sea ice concentration - Full domain
Bulletin date: 2020-04-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-17:
| 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 |
69973 |
14808 |
214 |
1401 |
498 |
2 |
0 |
0 |
| OW |
71 |
235 |
53 |
524 |
540 |
51 |
1 |
0 |
| VODI |
0 |
28 |
12 |
346 |
1100 |
216 |
32 |
0 |
| ODI |
0 |
0 |
1 |
102 |
711 |
466 |
66 |
5 |
| CDI |
0 |
0 |
0 |
34 |
886 |
1584 |
388 |
91 |
| VCDI |
0 |
0 |
0 |
0 |
757 |
5039 |
26266 |
60547 |
|
...date precedes bulletin
|
Date: 2020-04-19:
| 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 |
69904 |
14738 |
250 |
1483 |
456 |
23 |
0 |
0 |
| OW |
69 |
264 |
50 |
811 |
574 |
36 |
5 |
0 |
| VODI |
1 |
38 |
15 |
506 |
895 |
164 |
12 |
0 |
| ODI |
0 |
0 |
1 |
101 |
807 |
430 |
53 |
0 |
| CDI |
0 |
0 |
0 |
34 |
1018 |
1893 |
513 |
18 |
| VCDI |
0 |
0 |
0 |
12 |
805 |
6308 |
26539 |
58222 |
|
...date precedes bulletin
|
Date: 2020-04-21:
| 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 |
69697 |
15024 |
253 |
1637 |
582 |
1 |
0 |
0 |
| OW |
62 |
121 |
48 |
935 |
679 |
11 |
0 |
0 |
| VODI |
0 |
9 |
11 |
445 |
912 |
118 |
8 |
0 |
| ODI |
0 |
0 |
1 |
91 |
1071 |
529 |
92 |
4 |
| CDI |
0 |
2 |
1 |
56 |
1166 |
2440 |
599 |
34 |
| VCDI |
0 |
0 |
0 |
17 |
423 |
6339 |
25513 |
58117 |
|
...date precedes bulletin
|
Date: 2020-04-23:
| 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 |
69630 |
15178 |
263 |
2051 |
652 |
2 |
0 |
0 |
| OW |
65 |
139 |
42 |
524 |
664 |
39 |
1 |
0 |
| VODI |
0 |
10 |
8 |
316 |
937 |
158 |
19 |
0 |
| ODI |
0 |
12 |
2 |
116 |
899 |
573 |
72 |
3 |
| CDI |
0 |
9 |
1 |
86 |
1060 |
2197 |
636 |
107 |
| VCDI |
0 |
0 |
0 |
55 |
721 |
6786 |
25553 |
57462 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69630 |
15220 |
273 |
2103 |
745 |
5 |
0 |
0 |
| OW |
65 |
88 |
35 |
477 |
575 |
22 |
0 |
0 |
| VODI |
0 |
19 |
3 |
318 |
891 |
176 |
18 |
0 |
| ODI |
0 |
9 |
4 |
99 |
885 |
553 |
80 |
5 |
| CDI |
0 |
12 |
1 |
96 |
1057 |
2080 |
619 |
120 |
| VCDI |
0 |
0 |
0 |
55 |
780 |
6919 |
25564 |
57447 |
|
Date: 2020-04-25:
| 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 |
70087 |
15321 |
270 |
1819 |
653 |
8 |
0 |
0 |
| OW |
67 |
339 |
44 |
472 |
579 |
57 |
4 |
0 |
| VODI |
0 |
115 |
35 |
393 |
869 |
243 |
12 |
0 |
| ODI |
0 |
56 |
15 |
285 |
796 |
534 |
82 |
0 |
| CDI |
0 |
44 |
11 |
184 |
1196 |
2187 |
623 |
22 |
| VCDI |
0 |
24 |
5 |
122 |
1369 |
7135 |
25858 |
55113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70087 |
15451 |
277 |
1927 |
720 |
9 |
0 |
0 |
| OW |
67 |
193 |
42 |
390 |
497 |
49 |
0 |
0 |
| VODI |
0 |
122 |
30 |
363 |
828 |
252 |
29 |
0 |
| ODI |
0 |
58 |
14 |
275 |
800 |
494 |
71 |
0 |
| CDI |
0 |
45 |
11 |
171 |
1223 |
2107 |
556 |
32 |
| VCDI |
0 |
30 |
6 |
149 |
1394 |
7253 |
25923 |
55103 |
|
Date: 2020-04-27:
| 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 |
70283 |
15128 |
231 |
1792 |
438 |
19 |
0 |
0 |
| OW |
65 |
304 |
77 |
643 |
533 |
41 |
0 |
0 |
| VODI |
0 |
113 |
32 |
572 |
1075 |
115 |
6 |
0 |
| ODI |
0 |
37 |
8 |
132 |
1586 |
654 |
91 |
0 |
| CDI |
0 |
18 |
4 |
49 |
1275 |
2947 |
660 |
5 |
| VCDI |
0 |
10 |
5 |
69 |
614 |
7260 |
27851 |
52306 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70283 |
15221 |
261 |
2074 |
865 |
36 |
0 |
0 |
| OW |
65 |
133 |
32 |
334 |
552 |
113 |
1 |
0 |
| VODI |
0 |
65 |
25 |
328 |
822 |
312 |
47 |
0 |
| ODI |
0 |
93 |
14 |
237 |
818 |
672 |
182 |
0 |
| CDI |
0 |
59 |
13 |
141 |
1401 |
2122 |
904 |
13 |
| VCDI |
0 |
39 |
12 |
143 |
1063 |
7781 |
27474 |
52298 |
|
Date: 2020-04-29:
| 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 |
69945 |
15415 |
245 |
2048 |
743 |
19 |
0 |
0 |
| OW |
64 |
156 |
45 |
528 |
756 |
65 |
0 |
0 |
| VODI |
0 |
47 |
14 |
288 |
1066 |
393 |
17 |
4 |
| ODI |
0 |
7 |
3 |
97 |
1186 |
945 |
106 |
75 |
| CDI |
0 |
6 |
1 |
61 |
1154 |
3096 |
1040 |
254 |
| VCDI |
0 |
0 |
2 |
35 |
374 |
7554 |
27254 |
51940 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69944 |
15475 |
250 |
2154 |
1156 |
77 |
0 |
0 |
| OW |
65 |
52 |
24 |
280 |
533 |
149 |
2 |
0 |
| VODI |
0 |
21 |
15 |
209 |
755 |
531 |
35 |
48 |
| ODI |
0 |
47 |
7 |
148 |
810 |
724 |
208 |
130 |
| CDI |
0 |
21 |
9 |
179 |
1288 |
2385 |
1224 |
259 |
| VCDI |
0 |
15 |
5 |
87 |
737 |
8206 |
26948 |
51836 |
|
Date: 2020-05-01:
| 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 |
70345 |
15252 |
258 |
2113 |
784 |
12 |
0 |
0 |
| OW |
63 |
149 |
42 |
488 |
844 |
77 |
3 |
0 |
| VODI |
0 |
21 |
13 |
244 |
1036 |
507 |
38 |
0 |
| ODI |
0 |
13 |
4 |
83 |
1110 |
1218 |
128 |
7 |
| CDI |
0 |
9 |
3 |
46 |
893 |
3655 |
1474 |
108 |
| VCDI |
0 |
10 |
3 |
49 |
299 |
7569 |
32200 |
45878 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70345 |
15282 |
257 |
2132 |
1216 |
75 |
1 |
0 |
| OW |
63 |
72 |
27 |
272 |
476 |
212 |
3 |
0 |
| VODI |
0 |
24 |
17 |
243 |
746 |
531 |
44 |
1 |
| ODI |
0 |
29 |
8 |
168 |
750 |
970 |
240 |
28 |
| CDI |
0 |
7 |
3 |
145 |
1264 |
3216 |
1460 |
170 |
| VCDI |
0 |
40 |
11 |
63 |
514 |
8034 |
32095 |
45794 |
|
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