Important Disclaimer Notice


If you are looking for the official U.S. Government forecast for space weather, please go to NOAA's Space Weather Prediction Center (http://swpc.noaa.gov). This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

Notifications

Energetic electron fluxes in the Earth's outer radiation belt continue to be significantly elevated

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-31T15:55:00Z
## Message ID: 20130531-AL-001

## Summary:

This is an update to the notifications with Activity ID 2013-05-26T17:45:00-RBE-001 (notifications ID:20130526-AL-001 and ID:20130528-AL-001).

Solar Eruption May impact Mars and STEREO A



NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-27T04:33:00Z
## Message ID: 20130527-AL-001

## Summary:

C-type CME detected by STEREO-A COR2 / STEREO-B COR2 / SOHO LASCO C3.

Start time of the event: 2013-05-26T19:24Z.

Estimated speed: ~879 km/s.

Estimated opening half-angle: 46 deg.

Elevated Energetic Electron Fluxes detected by GOES


NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-26T18:37:00Z
## Message ID: 20130526-AL-001

## Summary:

Significantly elevated energetic electron fluxes in the Earth's outer radiation belt. GOES 13 "greater than 0.8 MeV" integral electron flux is above 10^5 pfu starting at 2013-05-26T17:45Z.

Solar Eruption Arrives at Earth

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification - Interplanetary Shock
##
## Message Issue Date: 2013-05-24T20:08:00Z
## Message ID: 20130524-AL-001

## Summary:

Significant interplanetary shock detected by ACE at L1 at 2013-05-24T17:35:00Z.

Simulation Indicates CMEs May Pass By STEREO A, May Give a Glancing Blow to Earth

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-22T19:18:00Z
## Message ID: 20130522-AL-004

## Summary:

O-Type CME Associated with the M Class Flare



NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-22T17:30:00Z
## Message ID: 20130522-AL-003

## Summary:

O-type CME detected by STEREO-A COR2 / STEREO-B COR2 / SOHO LASCO C3.

Start time of the event: 2013-05-22T13:24Z.

Estimated speed: ~1200 km/s.

Estimated opening half-angle: 60 deg.

Solar Energetic Particle Event Detected by GOES and SOHO



NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-22T16:17:00Z
## Message ID: 20130522-AL-002

## Summary:

M7.3 Flare from Western Limb

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-22T15:30:00Z
## Message ID: 20130522-AL-001

## Summary:

Significant flare detected by GOES.

Flare start time: 2013-05-22T12:30Z.

Flare peak time: 2013-05-22T13:38Z.

Flare intensity: M7.3 class.

Interplanetary Shock Arrival Detected by ACE

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## Message Type: Space Weather Notification - Interplanetary Shock
##
## Message Issue Date: 2013-05-19T23:18:00Z
## Message ID: 20130519-AL-001

## Summary:

Significant interplanetary shock detected by ACE at L1 at 2013-05-19T22:20Z.

The shock is caused by the CME with Activity ID: 2013-05-17T09:24:00-CME-001. Strong magnetospheric compression and geomagnetic storm expected.

Activity ID: 2013-05-19T22:20-IPS-001.

## Notes:

CME Update

NOAA's Space Weather Prediction Center (http://swpc.noaa.gov) is the United States Government official source for space weather forecasts.
This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

## NASA Goddard Space Flight Center, Space Weather Research Center ( SWRC )
## Message Type: Space Weather Notification
##
## Message Issue Date: 2013-05-17T22:45:00Z
## Message ID: 20130517-AL-003

## Summary:

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