Validation of sea ice concentration - American sector
Bulletin date: 2021-09-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-27:
| 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 |
13062 |
5666 |
70 |
377 |
24 |
11 |
0 |
0 |
| OW |
14 |
869 |
62 |
685 |
31 |
8 |
0 |
0 |
| VODI |
0 |
500 |
101 |
3461 |
569 |
9 |
0 |
0 |
| ODI |
0 |
0 |
1 |
397 |
3521 |
260 |
0 |
0 |
| CDI |
0 |
15 |
1 |
35 |
3739 |
4057 |
567 |
0 |
| VCDI |
0 |
8 |
3 |
70 |
115 |
2095 |
4216 |
1247 |
|
...date precedes bulletin
|
Date: 2021-08-29:
| 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 |
12357 |
6395 |
84 |
375 |
25 |
22 |
0 |
0 |
| OW |
8 |
1153 |
62 |
863 |
44 |
8 |
0 |
0 |
| VODI |
0 |
731 |
117 |
3043 |
506 |
11 |
1 |
0 |
| ODI |
0 |
0 |
0 |
774 |
2797 |
285 |
0 |
0 |
| CDI |
0 |
12 |
5 |
109 |
3837 |
2736 |
833 |
14 |
| VCDI |
0 |
0 |
3 |
27 |
563 |
3682 |
4271 |
113 |
|
...date precedes bulletin
|
Date: 2021-08-31:
| 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 |
12356 |
6847 |
106 |
416 |
18 |
4 |
0 |
0 |
| OW |
0 |
1409 |
129 |
1039 |
23 |
2 |
0 |
0 |
| VODI |
0 |
99 |
54 |
3389 |
685 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
276 |
4546 |
274 |
0 |
0 |
| CDI |
0 |
18 |
4 |
138 |
3260 |
4078 |
318 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
0 |
2656 |
3710 |
5 |
|
...date precedes bulletin
|
Date: 2021-09-02:
| 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 |
12752 |
6604 |
88 |
441 |
38 |
1 |
0 |
0 |
| OW |
0 |
1449 |
129 |
1430 |
57 |
0 |
0 |
0 |
| VODI |
0 |
120 |
55 |
2976 |
651 |
3 |
0 |
0 |
| ODI |
0 |
2 |
2 |
409 |
3538 |
169 |
0 |
0 |
| CDI |
0 |
27 |
5 |
130 |
3420 |
3779 |
445 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
36 |
2982 |
3674 |
448 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12752 |
7145 |
114 |
594 |
49 |
1 |
0 |
0 |
| OW |
0 |
797 |
104 |
1179 |
48 |
0 |
0 |
0 |
| VODI |
0 |
231 |
54 |
2908 |
665 |
5 |
0 |
0 |
| ODI |
0 |
2 |
1 |
567 |
3883 |
131 |
0 |
0 |
| CDI |
0 |
27 |
6 |
139 |
2737 |
3030 |
359 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
358 |
3767 |
3760 |
448 |
|
Date: 2021-09-04:
| 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 |
13611 |
5906 |
63 |
236 |
11 |
3 |
0 |
0 |
| OW |
0 |
1940 |
139 |
1155 |
46 |
5 |
0 |
0 |
| VODI |
0 |
181 |
64 |
2601 |
893 |
4 |
0 |
0 |
| ODI |
0 |
5 |
3 |
419 |
2077 |
636 |
0 |
0 |
| CDI |
0 |
20 |
6 |
139 |
1622 |
5292 |
314 |
0 |
| VCDI |
0 |
1 |
3 |
10 |
47 |
4736 |
3678 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13611 |
6468 |
81 |
393 |
29 |
6 |
0 |
0 |
| OW |
0 |
1249 |
110 |
1053 |
104 |
2 |
0 |
0 |
| VODI |
0 |
306 |
75 |
2357 |
777 |
10 |
0 |
0 |
| ODI |
0 |
6 |
2 |
599 |
2454 |
586 |
0 |
0 |
| CDI |
0 |
23 |
7 |
148 |
1276 |
4575 |
287 |
0 |
| VCDI |
0 |
1 |
3 |
10 |
56 |
5497 |
3705 |
0 |
|
Date: 2021-09-06:
| 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 |
12973 |
6966 |
91 |
341 |
28 |
9 |
0 |
0 |
| OW |
0 |
1717 |
98 |
850 |
86 |
3 |
0 |
0 |
| VODI |
0 |
667 |
98 |
1900 |
589 |
6 |
0 |
0 |
| ODI |
0 |
63 |
17 |
900 |
1392 |
101 |
0 |
0 |
| CDI |
0 |
77 |
8 |
115 |
1809 |
3644 |
31 |
0 |
| VCDI |
0 |
17 |
2 |
49 |
104 |
8248 |
2867 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12973 |
7221 |
86 |
332 |
31 |
12 |
0 |
0 |
| OW |
0 |
1522 |
113 |
972 |
231 |
3 |
0 |
0 |
| VODI |
0 |
625 |
92 |
1763 |
595 |
4 |
0 |
0 |
| ODI |
0 |
46 |
13 |
919 |
1354 |
129 |
0 |
0 |
| CDI |
0 |
77 |
7 |
108 |
1673 |
3791 |
33 |
0 |
| VCDI |
0 |
16 |
3 |
61 |
124 |
8072 |
2865 |
0 |
|
Date: 2021-09-08:
| 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 |
13070 |
7097 |
98 |
529 |
25 |
16 |
0 |
0 |
| OW |
0 |
1417 |
92 |
939 |
104 |
2 |
0 |
0 |
| VODI |
0 |
616 |
94 |
1686 |
703 |
68 |
0 |
0 |
| ODI |
0 |
38 |
3 |
574 |
1367 |
272 |
0 |
0 |
| CDI |
0 |
71 |
7 |
67 |
1184 |
3599 |
78 |
0 |
| VCDI |
0 |
48 |
5 |
69 |
72 |
5160 |
6692 |
4 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13070 |
6930 |
95 |
517 |
38 |
12 |
0 |
0 |
| OW |
0 |
1592 |
88 |
1052 |
178 |
10 |
0 |
0 |
| VODI |
0 |
619 |
92 |
1533 |
767 |
81 |
0 |
0 |
| ODI |
0 |
36 |
14 |
623 |
1294 |
247 |
0 |
0 |
| CDI |
0 |
85 |
7 |
67 |
1058 |
3710 |
149 |
0 |
| VCDI |
0 |
25 |
3 |
72 |
120 |
5057 |
6621 |
4 |
|
Date: 2021-09-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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