Validation of sea ice concentration - American sector
Bulletin date: 2020-07-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-07-10:
| 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 |
4114 |
7435 |
178 |
1347 |
384 |
42 |
0 |
0 |
| OW |
0 |
398 |
78 |
1537 |
408 |
32 |
0 |
0 |
| VODI |
0 |
81 |
16 |
759 |
1489 |
46 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
1994 |
1308 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
467 |
10926 |
147 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
88 |
10660 |
1888 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-12:
| 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 |
5243 |
7537 |
144 |
1134 |
253 |
36 |
0 |
0 |
| OW |
0 |
380 |
64 |
1123 |
686 |
25 |
0 |
0 |
| VODI |
0 |
48 |
16 |
595 |
1617 |
56 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
1732 |
1422 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1277 |
10405 |
221 |
0 |
| VCDI |
0 |
1 |
0 |
8 |
158 |
9738 |
1923 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-14:
| 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 |
7280 |
7072 |
128 |
638 |
109 |
0 |
0 |
0 |
| OW |
0 |
343 |
68 |
869 |
159 |
5 |
0 |
0 |
| VODI |
0 |
87 |
13 |
966 |
595 |
23 |
0 |
0 |
| ODI |
0 |
18 |
0 |
69 |
2670 |
850 |
0 |
0 |
| CDI |
0 |
1 |
0 |
4 |
626 |
10488 |
1923 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
188 |
9162 |
1508 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-16:
| 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 |
7357 |
7458 |
157 |
760 |
120 |
0 |
0 |
0 |
| OW |
0 |
401 |
65 |
749 |
161 |
1 |
0 |
0 |
| VODI |
0 |
26 |
22 |
923 |
918 |
13 |
0 |
0 |
| ODI |
0 |
25 |
0 |
48 |
1900 |
1517 |
0 |
0 |
| CDI |
0 |
24 |
0 |
7 |
517 |
11528 |
1394 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
217 |
8687 |
867 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7357 |
7515 |
175 |
928 |
161 |
0 |
0 |
0 |
| OW |
0 |
314 |
45 |
611 |
120 |
1 |
0 |
0 |
| VODI |
0 |
55 |
24 |
898 |
1222 |
15 |
0 |
0 |
| ODI |
0 |
25 |
0 |
43 |
1576 |
1437 |
0 |
0 |
| CDI |
0 |
25 |
0 |
7 |
543 |
11716 |
1390 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
211 |
8577 |
871 |
0 |
|
Date: 2020-07-18:
| 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 |
7175 |
8057 |
140 |
795 |
129 |
0 |
0 |
0 |
| OW |
0 |
485 |
63 |
580 |
117 |
4 |
0 |
0 |
| VODI |
0 |
36 |
40 |
991 |
1063 |
11 |
0 |
0 |
| ODI |
0 |
3 |
0 |
64 |
1601 |
2102 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1011 |
11781 |
613 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
237 |
7399 |
1369 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7175 |
8184 |
159 |
876 |
139 |
0 |
0 |
0 |
| OW |
0 |
319 |
52 |
526 |
102 |
4 |
0 |
0 |
| VODI |
0 |
75 |
32 |
981 |
1240 |
42 |
0 |
0 |
| ODI |
0 |
3 |
0 |
47 |
1353 |
2013 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1078 |
11887 |
578 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
246 |
7351 |
1404 |
0 |
|
Date: 2020-07-20:
| 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 |
7064 |
8545 |
127 |
785 |
113 |
0 |
0 |
0 |
| OW |
0 |
263 |
62 |
428 |
63 |
1 |
0 |
0 |
| VODI |
0 |
15 |
27 |
923 |
404 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
74 |
2650 |
442 |
0 |
0 |
| CDI |
0 |
0 |
0 |
61 |
1663 |
12730 |
1100 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
191 |
3950 |
3699 |
475 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7064 |
8408 |
142 |
900 |
150 |
0 |
0 |
0 |
| OW |
0 |
358 |
42 |
516 |
133 |
4 |
0 |
0 |
| VODI |
0 |
57 |
32 |
729 |
1478 |
219 |
0 |
0 |
| ODI |
0 |
0 |
0 |
55 |
1237 |
2379 |
0 |
0 |
| CDI |
0 |
0 |
0 |
66 |
1886 |
10006 |
1413 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
200 |
4522 |
3386 |
475 |
|
Date: 2020-07-22:
| 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 |
8337 |
7795 |
122 |
486 |
94 |
0 |
0 |
0 |
| OW |
0 |
325 |
44 |
357 |
134 |
1 |
0 |
0 |
| VODI |
0 |
55 |
42 |
1004 |
667 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
121 |
2731 |
480 |
0 |
0 |
| CDI |
0 |
0 |
0 |
73 |
1989 |
11234 |
2869 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
132 |
2222 |
4211 |
336 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8337 |
7719 |
124 |
549 |
153 |
0 |
0 |
0 |
| OW |
0 |
367 |
56 |
569 |
285 |
1 |
0 |
0 |
| VODI |
0 |
89 |
28 |
778 |
1363 |
380 |
0 |
0 |
| ODI |
0 |
0 |
0 |
58 |
1968 |
1826 |
0 |
0 |
| CDI |
0 |
0 |
0 |
78 |
1844 |
9063 |
2871 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
134 |
2668 |
4209 |
336 |
|
Date: 2020-07-24:
| 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 |
8585 |
7614 |
119 |
676 |
92 |
0 |
0 |
0 |
| OW |
0 |
309 |
64 |
423 |
140 |
4 |
0 |
0 |
| VODI |
0 |
40 |
32 |
1006 |
791 |
10 |
0 |
0 |
| ODI |
0 |
44 |
0 |
80 |
3229 |
382 |
0 |
0 |
| CDI |
0 |
41 |
2 |
13 |
4378 |
10004 |
2973 |
0 |
| VCDI |
0 |
22 |
0 |
15 |
343 |
2136 |
2299 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8585 |
7565 |
128 |
782 |
152 |
2 |
0 |
0 |
| OW |
0 |
332 |
70 |
671 |
388 |
3 |
0 |
0 |
| VODI |
0 |
63 |
17 |
666 |
1539 |
530 |
0 |
0 |
| ODI |
0 |
4 |
0 |
62 |
2823 |
1101 |
0 |
0 |
| CDI |
0 |
80 |
2 |
19 |
3717 |
8909 |
2409 |
0 |
| VCDI |
0 |
26 |
0 |
13 |
354 |
1991 |
2863 |
0 |
|
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