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 & Analysis

Update: Simulation Indicates CME Will Pass By Spitzer and Epoxi. There is a Small Chance that its Flank Might Give Earth a Glancing Blow

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: 2013-05-15T12:15:00Z
## Message ID: 20130515-AL-003

## Summary:

O-Type Solar Eruption Related to the X1.2 Class Flare Detected

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: 2013-05-15T04:15:00Z
## Message ID: 20130515-AL-002

## Summary:

O-type CME detected by STEREO-A COR2, STEREO-B COR2 and SOHO LASCO C3. The CME is related to the X1.2 class flare with ID 2013-05-15T01:10:00-FLR-001 (see alert 20130515-AL-001).

Start time of the event: 2013-05-15T02:18Z. (LASCO C3)

Estimated speed: ~1200 km/s.

Estimated opening half-angle: 40 deg.

Another Significant Flare (X1.2 Class) From Active Region AR1748


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: 2013-05-15T02:00:00Z
## Message ID: 20130515-AL-001

## Summary:

Significant flare detected by GOES.

Flare start time: 2013-05-15T01:10Z.

Flare peak time: 2013-05-15T01:48Z.

Flare intensity: X1.2 class.

Source region: N11E63.

Simulation of Combined Effect of the R-Type CME and Two Earlier CMEs

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: 2013-05-14T04:55:00Z
## Message ID: 20130514-AL-003

## Summary:

R-Type Solar Eruption Associated with the X3.2 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 Alert
##
## Message Issue Date: 2013-05-14T03:50:00Z
## Message ID: 20130514-AL-002

## Summary:

R-type CME detected by STEREO-B COR2 and SOHO LASCO C3. The CME is related to the X3.2 class flare with ID 2013-05-14T01:00:00-FLR-001 (see alert 20130514-AL-001).

Active Region Produces its Third X Class Flare: X3.2 Class Flare 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: 2013-05-14T01:45:00Z
## Message ID: 20130514-AL-001

## Summary:

Significant flare detected by GOES.

Flare start time: 2013-05-14T01:00Z.

Flare peak time: 2013-05-14T01:11Z.

Flare intensity: X3.2 class.

Source region: N10E89.

CME Associated with X2.8 Class Flare May Affect Spitzer, STEREO B and EPOXI


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: 2013-05-13T19:15:00Z
## Message ID: 20130513-AL-008

## Summary:

Solar Energetic Particle Event at STEREO B

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: 2013-05-13T18:35:00Z
## Message ID: 20130513-AL-007

## Summary:

Solar energetic particle event detected by STEREO B. The flux of 13-100 MeV protons exceeds 10^(-1) pfu/MeV starting at 2013-05-13T18:02Z. This event is related to the X-class flares and ongoing CMEs from the NE limb of the Sun (see alerts 20130513-AL-001 thru 20130513-AL-006).

O-Type Solar Eruption Related to X2.8 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: 2013-05-13T18:20:00Z
## Message ID: 20130513-AL-006

## Summary:

O-type CME detected by STEREO-B COR2 and SOHO LASCO C3. The CME is related to the X2.8 class flare with ID 2013-05-13T15:40:00-FLR-001 (see alert 20130513-AL-005).

Start time of the event: 2013-05-13T16:18Z. (LASCO C3)

Estimated speed: ~1900 km/s.

Estimated opening half-angle: 40 deg.

X2.8 Class Flare Originates From the Active Region That Produced an Earlier Event Today

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: 2013-05-13T16:25:00Z
## Message ID: 20130513-AL-005

## Summary:

Significant flare detected by GOES.

Flare start time: 2013-05-13T15:40Z.

Flare peak time: 2013-05-13T16:05Z.

Flare intensity: X2.8 class.

Source region: N10E89.

Increased energetic proton fluxes possible. Updates on this event will be provided when available.

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