Validation of sea ice concentration - American sector
Bulletin date: 2021-07-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-02:
| 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 |
1715 |
6084 |
92 |
534 |
82 |
26 |
0 |
0 |
| OW |
3 |
613 |
87 |
747 |
135 |
22 |
1 |
0 |
| VODI |
0 |
211 |
38 |
1337 |
732 |
148 |
6 |
0 |
| ODI |
0 |
21 |
6 |
431 |
1476 |
352 |
41 |
0 |
| CDI |
0 |
22 |
6 |
201 |
595 |
5544 |
2162 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
481 |
9734 |
8441 |
3740 |
|
...date precedes bulletin
|
Date: 2021-07-04:
| 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 |
1653 |
6717 |
104 |
687 |
104 |
33 |
0 |
0 |
| OW |
2 |
590 |
73 |
974 |
250 |
33 |
0 |
0 |
| VODI |
0 |
159 |
24 |
787 |
1158 |
148 |
21 |
0 |
| ODI |
0 |
26 |
6 |
273 |
1072 |
449 |
112 |
0 |
| CDI |
0 |
51 |
7 |
185 |
638 |
5184 |
2589 |
0 |
| VCDI |
0 |
14 |
0 |
34 |
642 |
6670 |
9538 |
4859 |
|
...date precedes bulletin
|
Date: 2021-07-06:
| 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 |
2095 |
8069 |
113 |
513 |
80 |
4 |
0 |
0 |
| OW |
1 |
449 |
54 |
691 |
103 |
9 |
0 |
0 |
| VODI |
0 |
124 |
25 |
1248 |
630 |
71 |
0 |
0 |
| ODI |
0 |
46 |
8 |
210 |
1393 |
259 |
0 |
0 |
| CDI |
0 |
18 |
8 |
112 |
962 |
9174 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
186 |
8125 |
10028 |
994 |
|
...date precedes bulletin
|
Date: 2021-07-08:
| 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 |
2690 |
8286 |
126 |
612 |
102 |
0 |
0 |
0 |
| OW |
1 |
557 |
58 |
707 |
130 |
21 |
0 |
0 |
| VODI |
0 |
170 |
23 |
697 |
602 |
84 |
0 |
0 |
| ODI |
0 |
64 |
6 |
170 |
1375 |
257 |
0 |
0 |
| CDI |
0 |
79 |
7 |
106 |
1468 |
8445 |
428 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
190 |
14881 |
3511 |
5 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2690 |
8427 |
124 |
635 |
127 |
10 |
0 |
0 |
| OW |
1 |
499 |
61 |
679 |
102 |
34 |
0 |
0 |
| VODI |
0 |
83 |
21 |
666 |
560 |
75 |
0 |
0 |
| ODI |
0 |
67 |
7 |
212 |
1457 |
347 |
0 |
0 |
| CDI |
0 |
80 |
7 |
100 |
1428 |
8351 |
390 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
193 |
14871 |
3549 |
5 |
|
Date: 2021-07-10:
| 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 |
2956 |
8544 |
121 |
659 |
95 |
1 |
0 |
0 |
| OW |
1 |
560 |
53 |
562 |
203 |
15 |
0 |
0 |
| VODI |
0 |
126 |
19 |
568 |
652 |
107 |
0 |
0 |
| ODI |
0 |
100 |
9 |
177 |
1298 |
646 |
0 |
0 |
| CDI |
0 |
54 |
5 |
66 |
1135 |
9244 |
263 |
0 |
| VCDI |
0 |
29 |
0 |
11 |
262 |
15130 |
2195 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2956 |
8732 |
125 |
642 |
129 |
9 |
0 |
0 |
| OW |
1 |
371 |
47 |
530 |
174 |
37 |
0 |
0 |
| VODI |
0 |
114 |
20 |
585 |
635 |
110 |
0 |
0 |
| ODI |
0 |
118 |
11 |
223 |
1323 |
681 |
0 |
0 |
| CDI |
0 |
49 |
4 |
52 |
1122 |
9244 |
259 |
0 |
| VCDI |
0 |
29 |
0 |
11 |
262 |
15062 |
2199 |
0 |
|
Date: 2021-07-12:
| 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 |
7643 |
5390 |
95 |
319 |
65 |
1 |
0 |
0 |
| OW |
5 |
192 |
49 |
345 |
93 |
2 |
0 |
0 |
| VODI |
0 |
72 |
9 |
752 |
444 |
35 |
0 |
0 |
| ODI |
0 |
35 |
3 |
111 |
2427 |
280 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
1442 |
10232 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
987 |
12879 |
1940 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7289 |
5132 |
94 |
374 |
136 |
22 |
0 |
0 |
| OW |
308 |
296 |
25 |
289 |
160 |
52 |
0 |
0 |
| VODI |
51 |
151 |
32 |
583 |
635 |
123 |
0 |
0 |
| ODI |
0 |
110 |
5 |
239 |
1600 |
501 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
1886 |
8662 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
1041 |
14069 |
1941 |
0 |
|
Date: 2021-07-14:
| 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 |
7105 |
6081 |
127 |
424 |
74 |
0 |
0 |
0 |
| OW |
0 |
152 |
44 |
498 |
97 |
6 |
0 |
0 |
| VODI |
0 |
55 |
18 |
651 |
609 |
39 |
0 |
0 |
| ODI |
0 |
19 |
0 |
56 |
1724 |
1443 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
1625 |
9081 |
303 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
203 |
14883 |
533 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7105 |
5649 |
103 |
403 |
170 |
26 |
0 |
0 |
| OW |
0 |
421 |
45 |
385 |
155 |
31 |
0 |
0 |
| VODI |
0 |
165 |
34 |
609 |
703 |
132 |
0 |
0 |
| ODI |
0 |
72 |
7 |
215 |
1055 |
1072 |
0 |
0 |
| CDI |
0 |
0 |
0 |
33 |
2031 |
8404 |
294 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
218 |
15787 |
542 |
0 |
|
Date: 2021-07-16:
| 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 |
7482 |
6054 |
99 |
347 |
127 |
2 |
0 |
0 |
| OW |
0 |
207 |
49 |
455 |
253 |
5 |
0 |
0 |
| VODI |
0 |
33 |
17 |
450 |
840 |
33 |
0 |
0 |
| ODI |
0 |
2 |
0 |
32 |
1822 |
1647 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
756 |
8961 |
90 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
140 |
10763 |
5191 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7482 |
5585 |
81 |
344 |
286 |
30 |
0 |
0 |
| OW |
0 |
493 |
45 |
335 |
282 |
19 |
0 |
0 |
| VODI |
0 |
183 |
29 |
408 |
848 |
136 |
0 |
0 |
| ODI |
0 |
34 |
10 |
182 |
1289 |
987 |
0 |
0 |
| CDI |
0 |
1 |
0 |
24 |
1063 |
8484 |
50 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
170 |
11755 |
5231 |
0 |
|
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