Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Laplace, LA Damaging Winds - April 4, 2011

Estimated Maximum Wind:	90 mph
Injuries/Fatalities:	None
Damage Area:	1 mile wide swath of damage
Approximate Time:	700 PM

A National Weather Service Damage Assessment Team has surveyed the storm damage in Laplace, LA. It has been determined the damage was the result of strong straight line winds that formed along the leading edge of a squall line. Damage estimates were consistent with winds of 90 mph.

The greated concentration of damage was along Airline Highway near River Parishes Hospital where a broad 1 mile swath of wind damage occurred. Several power poles were either snapped or pushed over by these strong winds. Strong winds damaged trees and some structures.

Laplace, LA straight line wind damage of April 4, 2011
Surveyed damage in Laplace, LA Disclaimer

KLIX reflectivity for Laplace, LA straight line winds of 4/4/2011
KLIX WSR-88D Reflectivity for Laplace, LA straight line winds 0700 PM CDT 4/4/2011

KLIX Base Velocity product for Laplace, LA straight line winds - 04/4/2011
KLIX WSR-88D Base Velocity at maximum intensity around 0700 CDT 4/4/2011

Roof damage to a building.	Trees uprooted damaging a home
Trees uprooted onto home	Barn damaged
Barn damaged

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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

NWS LIX - Laplace, LA Straight Line Wind Event April 4, 2011