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Solar alert




Issued on 2024 May 01 0614 UTC



A shock was detected in the solar wind ACE data around 11:34 UTC on April 30. The interplanetary magnetic field increased from 3 nT to 6 nT and the solar wind speed jumped from 380 km/s to 420 km/s. The solar wind density at the shock increased from 4/cm3 to 10/cm3, and the temperature jumped from about 1.4e4 K to 1.02e5 K. The shock is possibly related to an ICME arrival related to a faint slow CME detected in LASCO/C2 data around 11:00 UTC on April 27. Geomagnetic conditions are expected to be disturbed with unsettled to active conditions possible depending on the Bz.




Reference for this alert

All Presto solar alerts


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