NOAA / Space Weather Prediction Center
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #14-16
2014 April 20 at 11:21 p.m. MDT (2014 April 21 0521 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For April 14-20
G1 (Minor) geomagnetic storm conditions were observed on 20 April.
R1 (Minor) radio blackout conditions were observed on 16 April.
R2 (Moderate) radio blackout conditions were observed on 18 April.
S1 (Minor) solar radiation storm conditions were observed 18-20 April.
Outlook For April 21-27
There is a chance for R1-R2 (Minor-Moderate) radio blackouts during the outlook period.
G1 (Minor) geomagnetic storm conditions are expected on 21 April.
No S1 (Minor) or greater solar radiation storms are expected during the outlook period.
For current space weather conditions see: Space Weather Now, Today's Space Weather and Space Weather Alerts
Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, the International Space Environment Services and other observatories, universities, and institutions. For more information, including email services, see SWPC's Space Weather Advisories Web site http://swpc.noaa.gov/advisories or (303) 497-5127.
NOAA Space Weather Scales - Description of catagories used in Outlooks.
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