Validation of sea ice concentration - American sector
Bulletin date: 2017-07-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-07-21:
| 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 |
10369 |
7368 |
118 |
572 |
59 |
1 |
0 |
0 |
| OW |
0 |
189 |
49 |
444 |
158 |
2 |
0 |
0 |
| VODI |
0 |
64 |
9 |
648 |
815 |
16 |
0 |
0 |
| ODI |
0 |
9 |
4 |
150 |
2205 |
70 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
2246 |
4410 |
0 |
0 |
| VCDI |
0 |
1 |
0 |
9 |
610 |
8499 |
6396 |
363 |
|
...date precedes bulletin
|
Date: 2017-07-23:
| 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 |
9754 |
8017 |
145 |
602 |
112 |
0 |
0 |
0 |
| OW |
0 |
204 |
34 |
565 |
181 |
1 |
0 |
0 |
| VODI |
0 |
102 |
14 |
792 |
1119 |
9 |
0 |
0 |
| ODI |
0 |
7 |
2 |
62 |
1943 |
90 |
0 |
0 |
| CDI |
0 |
4 |
0 |
12 |
2272 |
4474 |
49 |
0 |
| VCDI |
0 |
8 |
0 |
13 |
349 |
7875 |
6972 |
83 |
|
...date precedes bulletin
|
Date: 2017-07-25:
| 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 |
10423 |
7965 |
128 |
632 |
83 |
0 |
0 |
0 |
| OW |
0 |
118 |
37 |
564 |
87 |
1 |
0 |
0 |
| VODI |
0 |
12 |
6 |
1059 |
617 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
36 |
3006 |
81 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
2334 |
5135 |
86 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
187 |
6824 |
6209 |
232 |
|
...date precedes bulletin
|
Date: 2017-07-27:
| 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 |
10447 |
8352 |
136 |
543 |
70 |
0 |
0 |
0 |
| OW |
0 |
200 |
55 |
719 |
74 |
2 |
0 |
0 |
| VODI |
0 |
16 |
8 |
1259 |
760 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
84 |
2285 |
380 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
2057 |
5087 |
56 |
6 |
| VCDI |
0 |
0 |
0 |
6 |
245 |
4016 |
8259 |
740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10447 |
8320 |
136 |
623 |
77 |
0 |
0 |
0 |
| OW |
0 |
222 |
53 |
709 |
99 |
2 |
0 |
0 |
| VODI |
0 |
26 |
10 |
1188 |
919 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
85 |
2129 |
380 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
2008 |
5034 |
70 |
13 |
| VCDI |
0 |
0 |
0 |
5 |
259 |
4069 |
8245 |
733 |
|
Date: 2017-07-29:
| 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 |
11761 |
7683 |
109 |
446 |
68 |
0 |
0 |
0 |
| OW |
0 |
353 |
76 |
786 |
86 |
0 |
0 |
0 |
| VODI |
0 |
39 |
21 |
1196 |
1084 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
166 |
1471 |
575 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
1714 |
4358 |
808 |
4 |
| VCDI |
0 |
0 |
0 |
16 |
426 |
3322 |
6237 |
3049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11761 |
7759 |
116 |
534 |
65 |
0 |
0 |
0 |
| OW |
0 |
272 |
68 |
826 |
120 |
0 |
0 |
0 |
| VODI |
0 |
44 |
22 |
1099 |
1180 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
134 |
1402 |
617 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
1630 |
4340 |
798 |
6 |
| VCDI |
0 |
0 |
0 |
14 |
452 |
3298 |
6247 |
3047 |
|
Date: 2017-07-31:
| 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 |
11829 |
8718 |
147 |
511 |
72 |
0 |
0 |
0 |
| OW |
0 |
250 |
51 |
745 |
7 |
0 |
0 |
0 |
| VODI |
0 |
4 |
8 |
1692 |
541 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
52 |
2523 |
196 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
1242 |
5242 |
206 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
184 |
2027 |
6165 |
3441 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11829 |
8299 |
112 |
478 |
75 |
0 |
0 |
0 |
| OW |
0 |
518 |
60 |
800 |
55 |
0 |
0 |
0 |
| VODI |
0 |
155 |
34 |
1421 |
694 |
9 |
0 |
0 |
| ODI |
0 |
0 |
1 |
255 |
1041 |
715 |
45 |
0 |
| CDI |
0 |
0 |
0 |
52 |
2415 |
4194 |
362 |
5 |
| VCDI |
0 |
0 |
0 |
6 |
289 |
2547 |
5964 |
3436 |
|
Date: 2017-08-02:
| 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 |
12117 |
9236 |
136 |
566 |
48 |
1 |
0 |
0 |
| OW |
0 |
164 |
44 |
748 |
48 |
0 |
0 |
0 |
| VODI |
0 |
81 |
6 |
1315 |
657 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
282 |
2103 |
422 |
0 |
0 |
| CDI |
0 |
2 |
0 |
16 |
2357 |
3971 |
322 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
143 |
3233 |
6895 |
953 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12117 |
8745 |
109 |
534 |
65 |
1 |
0 |
0 |
| OW |
0 |
495 |
50 |
788 |
70 |
0 |
0 |
0 |
| VODI |
0 |
233 |
25 |
1077 |
705 |
75 |
0 |
0 |
| ODI |
0 |
8 |
2 |
405 |
1060 |
831 |
64 |
0 |
| CDI |
0 |
0 |
0 |
113 |
3190 |
3430 |
459 |
0 |
| VCDI |
0 |
2 |
0 |
10 |
266 |
3290 |
6694 |
953 |
|
Date: 2017-08-04:
| 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 |
14080 |
7797 |
91 |
486 |
38 |
0 |
0 |
0 |
| OW |
0 |
280 |
46 |
760 |
88 |
0 |
0 |
0 |
| VODI |
0 |
47 |
16 |
1055 |
859 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
187 |
1995 |
722 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
1947 |
4464 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
142 |
2277 |
5969 |
2163 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14080 |
7449 |
83 |
670 |
70 |
0 |
0 |
0 |
| OW |
0 |
501 |
43 |
835 |
103 |
0 |
0 |
0 |
| VODI |
0 |
172 |
25 |
672 |
884 |
184 |
0 |
0 |
| ODI |
0 |
2 |
0 |
267 |
1305 |
1060 |
112 |
0 |
| CDI |
0 |
0 |
2 |
56 |
2482 |
4146 |
647 |
24 |
| VCDI |
0 |
0 |
0 |
8 |
225 |
2074 |
5546 |
2139 |
|
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