Validation of sea ice concentration - American sector
Bulletin date: 2022-07-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-01:
| 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 |
53 |
5165 |
1905 |
1567 |
247 |
55 |
2 |
0 |
| OW |
0 |
55 |
153 |
909 |
401 |
59 |
20 |
0 |
| VODI |
0 |
19 |
57 |
756 |
855 |
215 |
26 |
0 |
| ODI |
0 |
10 |
32 |
374 |
1005 |
544 |
50 |
0 |
| CDI |
0 |
30 |
68 |
428 |
2380 |
2001 |
345 |
0 |
| VCDI |
0 |
2 |
19 |
163 |
4701 |
15778 |
5378 |
39 |
|
...date precedes bulletin
|
Date: 2022-07-03:
| 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 |
727 |
5351 |
1750 |
1396 |
246 |
76 |
0 |
0 |
| OW |
0 |
35 |
255 |
1154 |
277 |
79 |
14 |
0 |
| VODI |
0 |
10 |
85 |
714 |
562 |
277 |
40 |
0 |
| ODI |
0 |
4 |
57 |
404 |
848 |
459 |
88 |
0 |
| CDI |
0 |
54 |
88 |
597 |
2694 |
1946 |
192 |
0 |
| VCDI |
0 |
2 |
9 |
125 |
3742 |
15190 |
6286 |
33 |
|
...date precedes bulletin
|
Date: 2022-07-05:
| 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 |
779 |
5656 |
2326 |
1527 |
157 |
60 |
0 |
0 |
| OW |
0 |
17 |
150 |
1052 |
159 |
41 |
0 |
0 |
| VODI |
0 |
15 |
54 |
703 |
611 |
144 |
1 |
0 |
| ODI |
0 |
30 |
64 |
599 |
1281 |
570 |
11 |
0 |
| CDI |
0 |
43 |
92 |
461 |
3565 |
3144 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
1887 |
16235 |
4374 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-07:
| 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 |
839 |
6365 |
2102 |
1683 |
198 |
53 |
0 |
0 |
| OW |
0 |
41 |
110 |
770 |
247 |
61 |
0 |
0 |
| VODI |
0 |
27 |
113 |
694 |
670 |
249 |
2 |
0 |
| ODI |
0 |
38 |
65 |
439 |
1188 |
393 |
22 |
0 |
| CDI |
0 |
48 |
129 |
472 |
3781 |
3224 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
2576 |
16523 |
2641 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
839 |
6375 |
2106 |
1773 |
189 |
67 |
0 |
0 |
| OW |
0 |
32 |
98 |
653 |
235 |
32 |
0 |
0 |
| VODI |
0 |
24 |
112 |
709 |
679 |
191 |
2 |
0 |
| ODI |
0 |
42 |
76 |
461 |
1180 |
445 |
21 |
0 |
| CDI |
0 |
46 |
127 |
460 |
3726 |
3235 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
2651 |
16533 |
2641 |
0 |
|
Date: 2022-07-09:
| 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 |
794 |
6420 |
2835 |
1365 |
167 |
57 |
0 |
0 |
| OW |
0 |
49 |
165 |
762 |
318 |
26 |
0 |
0 |
| VODI |
0 |
78 |
136 |
996 |
800 |
172 |
0 |
0 |
| ODI |
0 |
50 |
82 |
478 |
737 |
277 |
14 |
0 |
| CDI |
0 |
53 |
158 |
475 |
3745 |
3155 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
1646 |
16745 |
3010 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
794 |
6431 |
2816 |
1460 |
177 |
65 |
0 |
0 |
| OW |
0 |
28 |
150 |
665 |
228 |
18 |
0 |
0 |
| VODI |
0 |
82 |
159 |
939 |
822 |
143 |
3 |
0 |
| ODI |
0 |
57 |
96 |
551 |
782 |
275 |
11 |
0 |
| CDI |
0 |
52 |
155 |
461 |
3696 |
3090 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
1708 |
16841 |
3010 |
0 |
|
Date: 2022-07-11:
| 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 |
253 |
7924 |
2391 |
1315 |
191 |
28 |
0 |
0 |
| OW |
0 |
52 |
223 |
565 |
200 |
15 |
0 |
0 |
| VODI |
0 |
100 |
149 |
1161 |
744 |
34 |
0 |
0 |
| ODI |
0 |
59 |
122 |
644 |
1621 |
364 |
5 |
0 |
| CDI |
0 |
27 |
42 |
179 |
3589 |
3934 |
32 |
0 |
| VCDI |
0 |
0 |
2 |
4 |
1420 |
13423 |
5054 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
253 |
7872 |
2353 |
1464 |
218 |
34 |
0 |
0 |
| OW |
0 |
75 |
184 |
679 |
388 |
26 |
0 |
0 |
| VODI |
0 |
98 |
169 |
806 |
883 |
139 |
1 |
0 |
| ODI |
0 |
39 |
52 |
371 |
652 |
284 |
6 |
0 |
| CDI |
0 |
78 |
169 |
525 |
3749 |
3324 |
41 |
0 |
| VCDI |
0 |
0 |
2 |
23 |
1875 |
13991 |
5043 |
0 |
|
Date: 2022-07-13:
| 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 |
1122 |
7902 |
1848 |
1302 |
287 |
26 |
0 |
0 |
| OW |
2 |
112 |
204 |
778 |
345 |
14 |
0 |
0 |
| VODI |
0 |
50 |
79 |
1092 |
871 |
73 |
0 |
0 |
| ODI |
0 |
35 |
90 |
434 |
1359 |
195 |
4 |
0 |
| CDI |
0 |
49 |
67 |
173 |
3282 |
4550 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
563 |
10810 |
8078 |
2 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1121 |
7861 |
1734 |
1502 |
413 |
37 |
0 |
0 |
| OW |
3 |
109 |
228 |
677 |
483 |
33 |
0 |
0 |
| VODI |
0 |
57 |
127 |
792 |
726 |
63 |
0 |
0 |
| ODI |
0 |
30 |
30 |
295 |
697 |
108 |
0 |
0 |
| CDI |
0 |
74 |
137 |
496 |
3460 |
3757 |
65 |
0 |
| VCDI |
0 |
17 |
32 |
24 |
928 |
11670 |
8078 |
2 |
|
Date: 2022-07-15:
| 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 |
1427 |
6780 |
2578 |
1645 |
317 |
24 |
0 |
0 |
| OW |
2 |
75 |
201 |
942 |
434 |
7 |
0 |
0 |
| VODI |
0 |
51 |
94 |
961 |
706 |
40 |
0 |
0 |
| ODI |
0 |
46 |
69 |
359 |
1130 |
379 |
4 |
0 |
| CDI |
0 |
60 |
31 |
196 |
3036 |
4852 |
351 |
0 |
| VCDI |
0 |
17 |
25 |
54 |
1082 |
12092 |
5758 |
41 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1427 |
6710 |
2473 |
2015 |
568 |
35 |
0 |
0 |
| OW |
2 |
102 |
223 |
610 |
401 |
16 |
0 |
0 |
| VODI |
0 |
62 |
117 |
694 |
477 |
124 |
0 |
0 |
| ODI |
0 |
31 |
46 |
301 |
580 |
340 |
11 |
0 |
| CDI |
0 |
106 |
111 |
452 |
3155 |
3778 |
275 |
0 |
| VCDI |
0 |
18 |
28 |
85 |
1524 |
13101 |
5827 |
41 |
|
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