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St. Louis, Missouri – A space weather alert is in effect tonight as a rare G4 (Severe) geomagnetic storm creates the potential for Northern Lights to be visible across parts of Missouri, according to the NOAA Space Weather Prediction Center.
NOAA’s latest aurora forecast shows the auroral oval expanding farther south than usual, placing northern Missouri and areas near the Iowa border within reach of possible aurora visibility late tonight. Forecast guidance indicates a Kp index near 7 to 8, a strength capable of producing auroras well outside their typical northern range…