National Weather Service United States Department of Commerce

Threat of flash flooding continues on Sunday for Southern Plains and Inter-Mountain West

High levels of moisture still remain in portions of the Southern Plains and Inter-Mountain West on Sunday. This will continue the threat of locally heavy rainfall for one more day. Isolated locations could receive 1-2 inches of additional rainfall on Sunday. The areal coverage of these storms should be less than previous days.
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Hazardous Weather Conditions

Last Update: 434 AM CDT SUN SEP 21 2014

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Lake Borgne

Marine Zone Forecast





  • SynopsisHIGH PRESSURE OVER THE SOUTHEAST U.S WILL WEAKEN TODAY AND TONIGHT AS A STRONG COLD FRONT MOVES SOUTH INTO THE GULF COAST STATES. THE COLD FRONT WILL PUSH SOUTH ACROSS THE COASTAL WATERS LATE MONDAY AND MONDAY NIGHT. STRONGER HIGH PRESSURE WITH COOLER AND DRIER AIR WILL BUILD OVER THE SOUTHEAST U.S. AND GULF COAST MONDAY NIGHT AND TUESDAY AND REMAIN IN PLACE THROUGH THURSDAY. LOWER PRESSURE WILL PERSIST OFFSHORE NEAR THE STALLED FRONTAL BOUNDARY.
  • Today East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 2 seconds.
  • Tonight East winds near 5 knots becoming northeast after midnight. Waves less than 1 foot. Dominant period 1 second.
  • Monday Northeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 2 seconds. Slight chance of showers and thunderstorms in the afternoon.
  • Monday Night Northeast winds 10 to 15 knots early rising to 15 to 20 knots during the evening. Waves 2 feet building to 3 to 5 feet in the late evening. Dominant period 2 seconds. Slight chance of showers and thunderstorms in the evening.
  • Tuesday East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 2 seconds.
  • Tuesday Night East winds 10 to 15 knots rising to 15 to 20 knots overnight. Waves 2 to 4 feet. Dominant period 2 seconds.
  • Wednesday East winds 15 to 20 knots. Waves 3 to 5 feet. Slight chance of showers and thunderstorms in the afternoon.
  • Wednesday Night East winds 15 to 20 knots. Waves 3 to 5 feet. Slight chance of showers and thunderstorms.
  • Thursday East winds 15 to 20 knots. Waves 3 to 5 feet. Chance of showers and thunderstorms.
  • Thursday Night Northeast winds 15 to 20 knots. Waves 2 to 4 feet. Slight chance of showers and thunderstorms.



Additional Forecasts and Information

Zone Area Forecast for Lake Borgne
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