Severe Thunderstorms and Excessive Rain Possible From the Central and Southern Plains into the South and From the Ohio Valley To Mid-Atlantic; Heat and Critical Fire Weather Builds in the Southwest Quad of the Country

Multiple locations of severe thunderstorms and locally intense excessive rain will be possible east of the Rockies. The two main corridors appear to be the Central High Plains through Southern Plains into the South and the other path is from the Ohio Valley into Mid-Atlantic. Meanwhile, excessive heat and critical fire weather threats will build throughout the weekend in CA and the Southwest.
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Hazardous Weather Conditions

Last Update: 1039 AM EDT Sat Jun 23 2018

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Key West, FL Local Forecast Office

3NM NNE Florida Bay FL

Marine Zone Forecast


Synopsis: A ridge of high pressure will persist across the Straits of Florida today, before lifting slowly northward and weaken Sunday through Wednesday.

The Approximate Shoreward Edge of the Gulf Stream current, as of June 21.

28 NM South of Dry Tortugas Light, on Loggerhead Key. 55 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 2 NM South of Sand Key Light, off Key West. 4 NM South of Looe Key, off Big Pine Key. 4 NM South of Sombrero Key Light, off Marathon. 2 NM Southeast of Alligator Reef Light, off Islamorada. 1 NM Southeast of Molasses Reef Light, off Key Largo. 1 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
West to northwest winds near 5 knots, becoming northwest to north and increasing to near 10 knots by late this afternoon. Bay waters smooth, becoming a light chop. Isolated showers and thunderstorms, then scattered showers and isolated thunderstorms by late.
Tonight
North winds near 10 knots, becoming east to southeast 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. Scattered showers and isolated thunderstorms.
Sunday
Variable winds near 5 knots, becoming southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Sunday Night
East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and isolated thunderstorms.
Monday
East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Monday Night Through Wednesday
East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Wednesday Night
Variable winds 5 to 10 knots. Bay waters smooth to a light chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1039 AM EDT Sat Jun 23 2018
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