Severe Storms in the Upper Midwest; Heavy Rain in the Mid-Atlantic; Widespread Heat in the Southwest
Severe storms with damaging winds, large hail, and locally heavy rain will impact portions of the Upper Midwest. A lingering front will bring another round of heavy showers and thunderstorms to the Mid-Atlantic. Excessive heat continues in the South Plains to the Southwest, and fire weather threats remain Critical across the Great Basin, Northern Rockies, and into the Plains.
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Hazardous Weather Conditions
Last Update: 1032 AM EDT Thu Aug 13 2020
For More Weather Information:
3NM SE Key Largo FL
Marine Zone Forecast
Synopsis: A western Atlantic ridge axis will extend across
the Florida Peninsula this afternoon through Friday, resulting in
gentle to moderate easterly breezes across the coastal waters of
the Florida Keys. The ridge axis will drop down the Sunshine State
this weekend, resulting in light to gentle breezes.
The Approximate Shoreward Edge of the Gulf Stream as of August 13...
50 NM South of Dry Tortugas Light...on Loggerhead Key. 34 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 24 NM South of Sand Key Light...off Key West. 15 NM South of Looe Key...off Big Pine Key. 14 NM South of Sombrero Key Light...off Marathon. 12 NM Southeast of Alligator Reef Light...off Islamorada. 11 NM Southeast of Molasses Reef Light...off Key Largo. 7 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
The Approximate Shoreward Edge of the Gulf Stream as of August 13...
50 NM South of Dry Tortugas Light...on Loggerhead Key. 34 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 24 NM South of Sand Key Light...off Key West. 15 NM South of Looe Key...off Big Pine Key. 14 NM South of Sombrero Key Light...off Marathon. 12 NM Southeast of Alligator Reef Light...off Islamorada. 11 NM Southeast of Molasses Reef Light...off Key Largo. 7 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
This Afternoon
East to southeast winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Tonight Through Friday Night
East to southeast winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Saturday
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Saturday Night
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Sunday
East winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Sunday Night Through Monday Night
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. scattered showers and isolated thunderstorms.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 1032 AM EDT Thu Aug 13 2020 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
