A "Cannibal CME" Is Heading For Earth - G4 (Severe) Watch In Effect For May 11

Multiple CMEs are heading for Earth. A new NOAA forecast model suggests that three of them could merge to form a potent "Cannibal CME."

Cannibal CMEs form when fast-moving CMEs overtake slower CMEs in front of them. Internal shock waves created by such CME collisions do a good job sparking geomagnetic storms when they strike Earth's magnetic field. Indeed, NOAA is now predicting a severe storm on May 11th when the "Cannibal CME" arrives. NOAA/SWPC Issues Its First G4 Watch Since 2005.

G4 (Severe) Watch In Effect For May 11
Multiple CMEs erupted associated with flare activity from Region 3664 on 07-09 May. These CMEs are expected to merge with potential arrival expected by early May 11 on the UTC day.

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Images credit: NOAA/SWPC, NASA's Goddard Space Flight Center, SOHO/LASCO nemesis maturity channel
Music credit: YouTube Audio Library

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