NOAA SWPC Space Weather Advisory Outlook #15-19

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #15-19

2015 May 10 at 11:54 p.m. MDT (2015 May 11 0554 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 4-10

R1 (Minor) radio blackouts occurred on 05-06 May due to flare activity from active sunspot Regions 2335 and 2339.

An R3 (Strong) radio blackout occurred on 05 May due to flare activity from active sunspot Region 2339.

G1 (Minor) geomagnetic storming occurred on 06 May due to a coronal mass ejection that was the result of a 02 May filament eruption.

Outlook For May 11-17

There is a chance for R1-R2 (Minor-Moderate) radio blackouts for the forecast period (11-17 May) due to potential significant flare activity from active sunspot Region 2339.

G1 (Minor) geomagnetic storming is likely on 12-13 May due to coronal hole high speed stream activity.

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. More information is available at SWPC’s Web site http://swpc.noaa.gov