NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2012 March 19 at 2:08 a.m. MDT (2012 March 19 0808 UTC)


Summary For March 12-18

Multiple geomagnetic storms were observed during the summary period. A category G2 (Moderate) geomagnetic storm was observed on 12 March in response to the arrival a CME. Category G1 (Minor) - G2 (Moderate) geomagnetic storms were also observed on 15 March in response to the arrival of a CME.

Category S1 (Minor) - S2 (Moderate) solar radiation storms were observed from 12 - 16 March due to solar activity from old Region 1429.

Category R1 (Minor) - R2 (Moderate) radio blackouts were observed during the period. Region 1429 produced the largest event, the R2 radio blackout on 13 March. Region 1432 produced the following R1 radio blackouts on 14 and 15 March. Finally, Region 1434 produced the last R1 radio blackout on 17 March

Outlook For March 19-25

No space weather storms are expected

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 or (303) 497-5127.

NOAA Space Weather Scales - Description of catagories used in Outlooks.