Storm Prediction Center NOAA NWS NCEP
Mesoscale Discussion 1428

No graphic currently available
SPC MESOSCALE DISCUSSION #1428 FOR MIDDLE AND EASTERN TENNESSEE/
NORTHEASTERN MISSISSIPPI/NORTHERN AND CENTRAL ALABAMA/EXTREME
NORTHWESTERN GEORGIA
CONCERNING...SEVERE THUNDERSTORM POTENTIAL...REF WW 600

VALID 202227Z - 210100Z

BOW ECHO CONTINUES TO MOVE RAPIDLY EASTWARD THROUGH SOUTHERN
TENNESSEE AS WELL AND NORTHERN AND CENTRAL ALABAMA.  THIS ACTIVITY
IS MOVING INTO A VERY UNSTABLE AIR MASS...PARTICULARLY ACROSS
ALABAMA AND SOUTHERN TENNESSEE.  VAD WIND PROFILES FROM THE
NASHVILLE AND HUNTSVILLE RADARS SHOW A FAIRLY STRONG MID LEVEL JET
/35 TO 45 KNOTS AT 15 TO 20 KFT/ WHICH SHOULD MAINTAIN THE BOW
STRUCTURE TO THIS LINE FOR AT LEAST THE NEXT COUPLE OF HOURS. 
STRONG WINDS HAVE DOWNED TREES ACROSS PARTS OF MIDDLE TENNESSEE AND
NORTHERN ALABAMA AS WELL AS LARGE HAIL.  THE STRENGTH OF THE WINDS
AND THE INSTABILITY SUGGEST THE POTENTIAL FOR ADDITIONAL WIND
DAMAGE AND HAIL IS LIKELY TO CONTINUE.

..REHBEIN.. 07/20/00

Top/All Mesoscale Discussions/Forecast Products/Home