NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

SPACE WEATHER ADVISORY OUTLOOK #13-44
2013 October 27 at 5:59 p.m. MDT (2013 October 27 2359 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For October 21-27

Category R3 (Strong) radio blackouts were observed on 25 Oct due to flare activity from active Region 1882.

Category R2 (Moderate) radio blackouts were observed on 24 Oct due to flare activity from active Region 1877.

Category R1 (Minor) radio blackouts were observed from 24 - 27 Oct due to flare activity from active Regions 1875, 1877 , 1882 and 1884.

Outlook For October 28-November 3

Category R1 - R2 (Minor - Moderate) radio blackouts are likely throughout the forecast period due to possible flare activity from active Regions 1875, 1877, 1882 and 1884.

G1 (Minor) geomagnetic storms are expected on 28 Oct with a chance for continued G1 activity on 29 Oct due to the anticipated arrival of multiple CMEs associated with the flare activity observed from 24 - 26 Oct.

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.