Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.
Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week.
Hazardous Weather Conditions
Marine Zone Forecast
The Approximate Shoreward Edge of the Gulf Stream as of August 17, 2019...
44 NM South of Dry Tortugas Light...on Loggerhead Key. 47 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 49 NM South of Sand Key Light...off Key West. 53 NM South of Looe Key...off Big Pine Key. 48 NM South of Sombrero Key Light...off Marathon. 18 NM Southeast of Alligator Reef Light...off Islamorada. 12 NM Southeast of Molasses Reef Light...off Key Largo. 3 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.