Validation of sea ice concentration - American sector
Bulletin date: 2020-07-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-07-17:
| 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 |
7358 |
7609 |
150 |
833 |
153 |
0 |
0 |
0 |
| OW |
0 |
392 |
74 |
703 |
146 |
4 |
0 |
0 |
| VODI |
0 |
25 |
31 |
900 |
1066 |
16 |
0 |
0 |
| ODI |
0 |
19 |
0 |
46 |
1625 |
1851 |
0 |
0 |
| CDI |
0 |
1 |
0 |
4 |
646 |
10964 |
1914 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
260 |
8404 |
668 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-19:
| 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 |
7501 |
7787 |
129 |
846 |
136 |
0 |
0 |
0 |
| OW |
0 |
476 |
59 |
567 |
119 |
4 |
0 |
0 |
| VODI |
0 |
49 |
38 |
922 |
1209 |
22 |
0 |
0 |
| ODI |
0 |
0 |
0 |
35 |
1315 |
2585 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1527 |
10705 |
1001 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
126 |
4791 |
3775 |
134 |
|
...date precedes bulletin
|
Date: 2020-07-21:
| 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 |
7647 |
8225 |
122 |
646 |
105 |
0 |
0 |
0 |
| OW |
0 |
281 |
58 |
402 |
88 |
1 |
0 |
0 |
| VODI |
0 |
36 |
31 |
1084 |
445 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
227 |
2495 |
513 |
0 |
0 |
| CDI |
0 |
0 |
0 |
75 |
1983 |
11649 |
1884 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
316 |
3785 |
3730 |
32 |
|
...date precedes bulletin
|
Date: 2020-07-23:
| 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 |
8138 |
8037 |
121 |
595 |
84 |
0 |
0 |
0 |
| OW |
0 |
280 |
75 |
410 |
127 |
1 |
0 |
0 |
| VODI |
0 |
49 |
18 |
1156 |
615 |
6 |
0 |
0 |
| ODI |
0 |
14 |
2 |
149 |
3155 |
154 |
0 |
0 |
| CDI |
0 |
8 |
3 |
46 |
3466 |
10191 |
3329 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
301 |
1611 |
3655 |
64 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8138 |
8065 |
131 |
630 |
122 |
0 |
0 |
0 |
| OW |
0 |
231 |
60 |
385 |
102 |
3 |
0 |
0 |
| VODI |
0 |
70 |
23 |
1149 |
657 |
4 |
0 |
0 |
| ODI |
0 |
14 |
1 |
146 |
3179 |
492 |
0 |
0 |
| CDI |
0 |
8 |
4 |
46 |
3387 |
9774 |
3128 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
301 |
1690 |
3856 |
64 |
|
Date: 2020-07-25:
| 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 |
8533 |
7670 |
101 |
614 |
251 |
0 |
0 |
0 |
| OW |
0 |
322 |
71 |
426 |
166 |
5 |
0 |
0 |
| VODI |
0 |
56 |
28 |
1042 |
798 |
2 |
0 |
0 |
| ODI |
0 |
32 |
1 |
92 |
3229 |
833 |
0 |
0 |
| CDI |
0 |
71 |
0 |
44 |
4146 |
10641 |
2751 |
0 |
| VCDI |
0 |
34 |
2 |
39 |
377 |
1904 |
1585 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8533 |
7705 |
113 |
677 |
293 |
3 |
0 |
0 |
| OW |
0 |
253 |
44 |
345 |
147 |
2 |
0 |
0 |
| VODI |
0 |
87 |
43 |
1064 |
823 |
4 |
0 |
0 |
| ODI |
0 |
28 |
1 |
92 |
3343 |
1424 |
0 |
0 |
| CDI |
0 |
75 |
0 |
41 |
3979 |
9874 |
2497 |
0 |
| VCDI |
0 |
37 |
2 |
38 |
382 |
2078 |
1839 |
0 |
|
Date: 2020-07-27:
| 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 |
8961 |
7678 |
123 |
605 |
69 |
0 |
0 |
0 |
| OW |
0 |
274 |
79 |
329 |
112 |
0 |
0 |
0 |
| VODI |
0 |
101 |
25 |
1117 |
563 |
0 |
0 |
0 |
| ODI |
0 |
25 |
3 |
65 |
6804 |
383 |
0 |
0 |
| CDI |
0 |
16 |
0 |
11 |
2481 |
12810 |
845 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
270 |
1256 |
859 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8961 |
7635 |
135 |
692 |
161 |
0 |
0 |
0 |
| OW |
0 |
259 |
49 |
381 |
230 |
0 |
0 |
0 |
| VODI |
0 |
138 |
42 |
961 |
871 |
1 |
0 |
0 |
| ODI |
0 |
24 |
0 |
81 |
4537 |
1251 |
0 |
0 |
| CDI |
0 |
37 |
4 |
6 |
4110 |
11737 |
1504 |
0 |
| VCDI |
0 |
1 |
0 |
8 |
390 |
1460 |
200 |
0 |
|
Date: 2020-07-29:
| 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 |
10751 |
6404 |
115 |
472 |
69 |
0 |
0 |
0 |
| OW |
0 |
466 |
51 |
529 |
168 |
0 |
0 |
0 |
| VODI |
0 |
109 |
20 |
644 |
913 |
4 |
0 |
0 |
| ODI |
0 |
14 |
0 |
86 |
7998 |
232 |
0 |
0 |
| CDI |
0 |
12 |
3 |
28 |
2681 |
12263 |
767 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
292 |
339 |
433 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10751 |
6236 |
103 |
514 |
191 |
0 |
0 |
0 |
| OW |
0 |
274 |
46 |
463 |
268 |
0 |
0 |
0 |
| VODI |
0 |
439 |
37 |
605 |
1038 |
2 |
0 |
0 |
| ODI |
0 |
30 |
0 |
145 |
6141 |
385 |
0 |
0 |
| CDI |
0 |
25 |
2 |
17 |
4129 |
12308 |
1200 |
0 |
| VCDI |
0 |
1 |
1 |
18 |
354 |
143 |
0 |
0 |
|
Date: 2020-07-31:
| 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 |
11638 |
5793 |
118 |
593 |
44 |
0 |
0 |
0 |
| OW |
0 |
434 |
36 |
620 |
219 |
0 |
0 |
0 |
| VODI |
0 |
80 |
14 |
675 |
1098 |
0 |
0 |
0 |
| ODI |
0 |
12 |
0 |
92 |
8190 |
381 |
0 |
0 |
| CDI |
0 |
3 |
1 |
21 |
2077 |
12052 |
1126 |
0 |
| VCDI |
0 |
1 |
0 |
16 |
238 |
210 |
84 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11638 |
5580 |
108 |
619 |
135 |
0 |
0 |
0 |
| OW |
0 |
248 |
36 |
639 |
244 |
0 |
0 |
0 |
| VODI |
0 |
439 |
22 |
540 |
1278 |
0 |
0 |
0 |
| ODI |
0 |
53 |
2 |
179 |
6473 |
660 |
0 |
0 |
| CDI |
0 |
2 |
1 |
18 |
3511 |
11977 |
1210 |
0 |
| VCDI |
0 |
1 |
0 |
22 |
225 |
6 |
0 |
0 |
|
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