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000
WOXX30 KWNP 251120
ALTEF3

Space Weather Message Code: ALTEF3
Serial Number: 2179
Issue Time: 2015 Apr 25 1116 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2178
Begin Time: 2015 Apr 24 1555 UTC
Yesterday Maximum 2MeV Flux: 1182 pfu
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





000
WOXX30 KWNP 241616
ALTEF3

Space Weather Message Code: ALTEF3
Serial Number: 2178
Issue Time: 2015 Apr 24 1612 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2015 Apr 24 1555 UTC
Station: GOES13
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





000
WOXX30 KWNP 241616
ALTEF3

Space Weather Message Code: ALTEF3
Serial Number: 2178
Issue Time: 2015 Apr 24 1612 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2015 Apr 24 1555 UTC
Station: GOES13
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





000
WOXX04 KWNP 230954
ALTTP2

Space Weather Message Code: ALTTP2
Serial Number: 1006
Issue Time: 2015 Apr 23 0948 UTC

ALERT: Type II Radio Emission
Begin Time: 2015 Apr 23 0924 UTC
Estimated Velocity: 664 km/s
www.swpc.noaa.gov/noaa-scales-explanation
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





000
WOXX04 KWNP 230954
ALTTP2

Space Weather Message Code: ALTTP2
Serial Number: 1006
Issue Time: 2015 Apr 23 0948 UTC

ALERT: Type II Radio Emission
Begin Time: 2015 Apr 23 0924 UTC
Estimated Velocity: 664 km/s
www.swpc.noaa.gov/noaa-scales-explanation
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov




000
WOXX13 KWNP 230622
ALTK04

Space Weather Message Code: ALTK04
Serial Number: 1778
Issue Time: 2015 Apr 23 0606 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2015 Apr 23 0559 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





000
WOXX13 KWNP 230622
ALTK04

Space Weather Message Code: ALTK04
Serial Number: 1778
Issue Time: 2015 Apr 23 0606 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2015 Apr 23 0559 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov




000
WOXX13 KWNP 230622
ALTK04

Space Weather Message Code: ALTK04
Serial Number: 1778
Issue Time: 2015 Apr 23 0606 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2015 Apr 23 0559 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov





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