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...STORM SURVEY CONDUCTED
ON DAMAGE IN ELOY ARIZONA...
NATIONAL WEATHER
SERVICE TUCSON METEOROLOGISTS CONDUCTED A SURVEY OF DAMAGE FROM THUNDERSTORMS
THAT OCCURRED IN ELOY THURSDAY AFTERNOON. THE DAMAGE SURVEYED INDICATES
THAT A MICROBURST DESCENDED UPON THE AREA THURSDAY AFTERNOON.
MICROBURSTS ARE A
SMALL BUT POWERFUL DOWNDRAFT OF AIR FROM A THUNDERSTORM. IN THIS CASE...THE
MICROBURST WAS COINCIDENT WITH VERY HEAVY RAINFALL AND HAIL OVER ONE INCH
IN DIAMETER. MICROBURSTS CAN PRODUCE DAMAGE THAT RESEMBLES THAT CAUSED
BY WEAK TORNADOES...WITH
WIND SPEEDS SOMETIMES EXCEEDING 100 MPH.
IN ELOY THE DAMAGE
INDICATES THAT THE MICROBURST WAS CENTERED NEAR SUNSHINE BOULEVARD BETWEEN
INTERSTATE 10 AND THE CASA GRANDE PICACHO HIGHWAY. DAMAGE EMINATED IN
ALL DIRECTIONS FROM THIS POINT IN A CLASSIC DIVERGENT MICROBURST PATTERN.
FROM THE RESULTANT DAMAGE...WIND GUSTS ARE ESTIMATED TO BE IN THE 70 TO
80 MPH RANGE.
FURTHER INFORMATION
INCLUDING MAPS AND ADDITONAL PHOTOS WILL BE RELEASED ON WEATHER.GOV/TUCSON
AS TIME PERMITS INTO EARLY NEXT WEEK. PLEASE FORWARD ANY QUESTIONS TO:
KEN DROZD
WARNING COORDINATION METEOROLOGIST
NATIONAL WEATHER SERVICE TUCSON
520 N PARK AVE
TUCSON AZ 85719
PHONE 520-670-5156
EXT 223
KENNETH.DROZD@NOAA.GOV
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www.weather.gov 
