Validation of sea ice concentration - American sector
Bulletin date: 2018-06-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-06-22:
| 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 |
240 |
4140 |
149 |
1367 |
714 |
1 |
6 |
0 |
| OW |
9 |
114 |
43 |
503 |
669 |
32 |
2 |
0 |
| VODI |
0 |
45 |
10 |
242 |
1401 |
771 |
10 |
0 |
| ODI |
0 |
23 |
7 |
94 |
1000 |
1978 |
56 |
0 |
| CDI |
0 |
20 |
4 |
175 |
647 |
1994 |
417 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
1462 |
5558 |
9345 |
12598 |
|
...date precedes bulletin
|
Date: 2018-06-24:
| 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 |
304 |
4446 |
142 |
1428 |
887 |
9 |
0 |
0 |
| OW |
7 |
149 |
37 |
411 |
1011 |
304 |
0 |
0 |
| VODI |
0 |
79 |
15 |
245 |
948 |
2076 |
24 |
0 |
| ODI |
0 |
42 |
15 |
119 |
479 |
798 |
106 |
0 |
| CDI |
0 |
32 |
6 |
187 |
720 |
1802 |
272 |
0 |
| VCDI |
0 |
2 |
1 |
30 |
1379 |
4108 |
11733 |
11513 |
|
...date precedes bulletin
|
Date: 2018-06-26:
| 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 |
525 |
5121 |
151 |
1492 |
544 |
7 |
0 |
0 |
| OW |
8 |
116 |
49 |
596 |
761 |
16 |
0 |
0 |
| VODI |
0 |
39 |
13 |
374 |
1357 |
68 |
3 |
0 |
| ODI |
0 |
21 |
6 |
75 |
1797 |
831 |
8 |
0 |
| CDI |
0 |
18 |
5 |
127 |
1559 |
2430 |
56 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1105 |
9563 |
6245 |
10780 |
|
...date precedes bulletin
|
Date: 2018-06-28:
| 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 |
653 |
5452 |
199 |
1480 |
684 |
10 |
0 |
0 |
| OW |
5 |
112 |
42 |
502 |
944 |
80 |
0 |
0 |
| VODI |
0 |
40 |
12 |
296 |
1177 |
861 |
7 |
0 |
| ODI |
0 |
33 |
4 |
85 |
987 |
1227 |
13 |
0 |
| CDI |
0 |
48 |
8 |
122 |
1746 |
2150 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
1491 |
9560 |
6313 |
9477 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
654 |
5178 |
198 |
1718 |
1861 |
898 |
0 |
0 |
| OW |
4 |
272 |
26 |
245 |
677 |
747 |
7 |
0 |
| VODI |
0 |
99 |
19 |
239 |
558 |
401 |
16 |
0 |
| ODI |
0 |
46 |
9 |
101 |
533 |
416 |
25 |
0 |
| CDI |
0 |
77 |
8 |
155 |
1535 |
1612 |
55 |
0 |
| VCDI |
0 |
13 |
5 |
36 |
1865 |
9814 |
6267 |
9477 |
|
Date: 2018-06-30:
| 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 |
769 |
5855 |
181 |
1559 |
684 |
22 |
0 |
0 |
| OW |
4 |
152 |
34 |
481 |
963 |
131 |
3 |
0 |
| VODI |
0 |
74 |
8 |
366 |
1093 |
1234 |
11 |
0 |
| ODI |
0 |
51 |
7 |
129 |
928 |
796 |
10 |
0 |
| CDI |
0 |
75 |
6 |
152 |
2125 |
1961 |
55 |
0 |
| VCDI |
0 |
23 |
1 |
23 |
1686 |
9982 |
6584 |
7648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
770 |
5611 |
178 |
1793 |
2043 |
1271 |
4 |
0 |
| OW |
3 |
266 |
27 |
247 |
361 |
449 |
12 |
0 |
| VODI |
0 |
134 |
13 |
279 |
493 |
327 |
12 |
0 |
| ODI |
0 |
60 |
7 |
174 |
689 |
357 |
27 |
0 |
| CDI |
0 |
95 |
10 |
170 |
1934 |
1603 |
71 |
0 |
| VCDI |
0 |
64 |
2 |
47 |
1959 |
10119 |
6537 |
7648 |
|
Date: 2018-07-02:
| 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 |
922 |
6476 |
217 |
1394 |
521 |
40 |
0 |
0 |
| OW |
4 |
151 |
45 |
433 |
403 |
39 |
1 |
0 |
| VODI |
0 |
46 |
9 |
637 |
1104 |
70 |
2 |
0 |
| ODI |
0 |
41 |
4 |
80 |
3370 |
529 |
4 |
0 |
| CDI |
0 |
50 |
7 |
131 |
2116 |
3623 |
67 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
803 |
9294 |
8252 |
4973 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
924 |
6128 |
219 |
1633 |
3175 |
278 |
11 |
0 |
| OW |
2 |
220 |
23 |
255 |
402 |
267 |
4 |
0 |
| VODI |
0 |
145 |
15 |
367 |
545 |
235 |
12 |
0 |
| ODI |
0 |
70 |
8 |
194 |
702 |
321 |
11 |
0 |
| CDI |
0 |
134 |
12 |
178 |
2086 |
1752 |
28 |
0 |
| VCDI |
0 |
67 |
5 |
56 |
1407 |
10742 |
8260 |
4973 |
|
Date: 2018-07-04:
| 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 |
1313 |
6582 |
213 |
1485 |
509 |
47 |
1 |
0 |
| OW |
3 |
157 |
32 |
604 |
674 |
33 |
3 |
0 |
| VODI |
0 |
48 |
12 |
538 |
1690 |
749 |
9 |
0 |
| ODI |
0 |
30 |
4 |
120 |
1489 |
990 |
6 |
0 |
| CDI |
0 |
49 |
5 |
169 |
2837 |
2991 |
73 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
2193 |
9179 |
9380 |
1639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1315 |
6223 |
221 |
1930 |
2145 |
950 |
21 |
0 |
| OW |
1 |
212 |
11 |
339 |
333 |
242 |
12 |
0 |
| VODI |
0 |
156 |
14 |
283 |
638 |
225 |
24 |
0 |
| ODI |
0 |
87 |
4 |
98 |
715 |
420 |
14 |
0 |
| CDI |
0 |
186 |
16 |
237 |
2180 |
2221 |
7 |
0 |
| VCDI |
0 |
2 |
0 |
39 |
3381 |
9931 |
9394 |
1639 |
|
Date: 2018-07-06:
| 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 |
1564 |
6720 |
204 |
1520 |
486 |
47 |
5 |
0 |
| OW |
1 |
239 |
45 |
857 |
769 |
35 |
6 |
0 |
| VODI |
0 |
68 |
19 |
591 |
2733 |
204 |
15 |
0 |
| ODI |
0 |
21 |
6 |
94 |
1120 |
421 |
14 |
0 |
| CDI |
0 |
31 |
5 |
147 |
4304 |
1979 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
2270 |
10144 |
8072 |
1081 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1564 |
6510 |
215 |
2141 |
2738 |
101 |
37 |
0 |
| OW |
1 |
246 |
18 |
343 |
366 |
112 |
11 |
0 |
| VODI |
0 |
137 |
19 |
367 |
593 |
181 |
16 |
0 |
| ODI |
0 |
71 |
12 |
104 |
859 |
403 |
1 |
0 |
| CDI |
0 |
115 |
15 |
239 |
4094 |
1530 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
3032 |
10503 |
8004 |
1081 |
|
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