Generic Space Environment Advisory
Issued by NWS

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NWXX04 KWNP 150201

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA

2014 December 14 at 6:55 p.m. MST (2014 December 15 0155 UTC)


Summary For December 8-14

A G1 (minor) geomagnetic storm was observed on 12 December.
R1 (minor) radio blackouts were observed on 13 and 14 December.
No S1 (minor) or greater space radiation events were observed, although 10 MeV proton flux at geosynchronous orbit was enhanced on 14 December, with a maximum flux of 2.5 pfu.

Outlook For December 15-21

R1 or greater radio blackouts are possible throughout the forecast period.
There is a chance for G1 (minor) storm conditions on 28 Dec through 09 Jan in response to recurrent high speed solar wind features.
There is a slight chance for an S1 (minor) or greater space radiation event through the forecast period.

Current space weather conditions at, and

Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Service (ISES)
and other observatories, universities, and institutions. For more
information, including email services, see SWPC`s Space Weather
Advisories Web site or (303) 497-5127. is the U.S. government's official web portal to all federal, state and local government web resources and services.