Wintry Conditions Over The Rockies, Heavy Rainfall And Flash Flooding Threat Over The Desert Southwest

Remnant moisture from what was once Tropical Storm Raymond will continue to produce heavy rainfall and the threat for flash flooding over the Desert Southwest into Thursday. Heavy snow will also be possible over parts of the Rockies, and will likely cause hazardous travel. Meanwhile, critical fire weather conditions continue across northern California into Thursday morning.
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Hazardous Weather Conditions

Last Update: 436 PM EST Wed Nov 20 2019

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Key West, FL Local Forecast Office

7NM SE Molasses Reef Light FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
Synopsis: A ridge of high pressure will move to the East Coast states tonight, then shift towards the western Atlantic by Thursday night, elongating into an east west ridge axis over North Florida during Friday. The ridge axis will settle down the peninsula and reach South Florida on Saturday. The next cold front may cross the Keys waters on Sunday, with winds clocking from northwest back to northeast again by late Monday.

The Approximate Shoreward Edge of the Gulf Stream as of November 19...

63 NM South of Dry Tortugas Light...on Loggerhead Key. 33 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 23 NM South of Sand Key Light...off Key West. 13 NM South of Looe Key...off Big Pine Key. 11 NM South of Sombrero Key Light...off Marathon. 3 NM Southeast of Alligator Reef Light...off Islamorada. 2 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.

Tonight
North to northeast winds near 15 knots, becoming northeast and increasing to 15 to 20 knots. Seas 3 to 5 feet, building to 4 to 6 feet.
Thursday
Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet.
Thursday Night
Northeast to east winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Friday And Friday Night
East winds 10 to 15 knots. Seas 3 to 5 feet. Isolated showers.
Saturday
Southeast winds 10 to 15 knots. Seas 2 to 4 feet. isolated showers.
Saturday Night
South winds 5 to 10 knots. Seas 1 to 3 feet. isolated showers.
Sunday
Winds becoming west and increasing to 10 to 15 knots. seas building to 2 to 4 feet. Isolated showers.
Sunday Night
Northwest to north winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Monday
Northwest to north winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers.
Monday Night
Northeast winds near 15 knots. Seas 3 to 5 feet. isolated showers.
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ABOUT THIS FORECAST

Last Update: 436 PM EST Wed Nov 20 2019
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