|
Communication,
Solar Flux, Flare, Geomagnetic Forecasts
|
Past
72-hours of Solar Flares
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| Issue
Time: |
2008 Aug 21 1814 UTC (2008/234)
|
|
| COMM
STATUS:
Event duration - no unexpected effects; Event peak - no significant effects
|
| FLARE
ALERT:
A0 is beginning
|
| FLARE
STATUS:
Quiet at Aug 21 2008/1814 UT
|
| FLARE
FEATURES: |
Start
|
Peak
|
FWHM
|
End
|
| Calendar
Date (UT) |
21-Aug 18:11
|
21-Aug 18:20
|
21-Aug 19:11
|
21-Aug 21:00
|
| NOAA
Radio Blackout |
R0
|
R0
|
R0
|
R0
|
| Flare
class |
|
A0
|
|
|
|
|
- Effects of space weather
on communications
- Outage causes
- Solar flare
- a flare occurring in the NOAA R scale red zone with
an outage on the dayside
- Geomagnetic
storm - the ap in the red zone with an outage at mid
and high latitudes
- Outage duration
- Large solar
flares - may last up to 4-5 hours
- Large geomagnetic
storms - may last up to a few days
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