The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >
Seattle, WA
Center Weather Service Unit
Plaese go to the Space Weather Prediction Center for more information. Please note:
536
WOXX02 KWNP 161351
SUMX01
Space Weather Message Code: SUMX01
Serial Number: 165
Issue Time: 2024 Jul 16 1346 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: 2024 Jul 16 1311 UTC
Maximum Time: 2024 Jul 16 1326 UTC
End Time: 2024 Jul 16 1336 UTC
X-ray Class: X1.9
Location: S05W85
NOAA Scale: R3 - Strong
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.
# 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
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Seattle, WA
3101 Auburn Way South
Auburn, WA 98092
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