Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect.
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Hazardous Weather Conditions

Last Update: 936 AM CDT Sun Aug 20 2017

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19NM SE Grand Isle LA

Marine Zone Forecast


Synopsis: High pressure will remain over the coastal waters through early next week.

Rest Of Today
East winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Slight chance of showers and thunderstorms.
Tonight
East winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and thunderstorms after midnight.
Monday
East winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Monday Night
Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Tuesday
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Chance of showers and thunderstorms.
Tuesday Night
Southeast winds 5 to 10 knots becoming east after midnight. Seas 1 to 2 feet. Dominant period 6 seconds. Slight chance of showers and thunderstorms.
Wednesday
East winds 5 to 10 knots becoming southeast late in the afternoon. Seas 1 to 2 feet. Dominant period 6 seconds. Chance of showers and thunderstorms.
Wednesday Night
Southwest winds 5 to 10 knots becoming west after midnight. Seas 1 to 2 feet. Dominant period 6 seconds. Chance of showers and thunderstorms.
Thursday
North winds 5 to 10 knots becoming east in the late morning and early afternoon, then becoming southeast late in the afternoon. Seas 1 foot or less. Dominant period 5 seconds. Chance of showers and thunderstorms.
Thursday Night
South winds 5 to 10 knots becoming north after midnight. Seas 1 foot or less. Chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 936 AM CDT Sun Aug 20 2017
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