Damaging Winds Blast Lawrence March 12th, 2006

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 >

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS SURVEYED THE WIND DAMAGE THAT OCCURRED ACROSS MUCH OF LAWRENCE AROUND 8 AM CST, MARCH 12. THE LARGE AREA OF WIND DAMAGE WAS CAUSED BY A SEVERE THUNDERSTORM MICROBURST OF 70 TO 90 MPH STRAIGHT LINE WINDS.

MICROBURSTS ARE VERY STRONG WINDS THAT QUICKLY DESCEND FROM THE BASE OF A SEVERE THUNDERSTORM AND THEN SPREAD OUT QUICKLY UPON IMPACT WITH THE GROUND. THESE STRAIGHT LINE DAMAGING WINDS CAN CAUSE EXTENSIVE DAMAGE ACROSS A LARGE AREA.

VIDEO RECEIVED SO FAR TAKEN IN LAWRENCE SHOW THE SUDDEN DOWNBURST FROM THE SEVERE THUNDERSTORM BASE AND THE FANNING OUT OF THE DOWNBURST AS IT HITS THE GROUND, WHICH ALSO CAUSED WIDESPREAD BLOWING DUST.

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

Damaging Winds Blast Lawrence March 12th, 2006 - NWS Topeka, KS