Flash Flood Warning 14, NWS Salt Lake City, UT

UTZALL-062300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1245 PM MDT TUE AUG 6 1991

 ...FLASH FLOOD WATCH UNTIL 630 TONIGHT FOR SOUTHEASTERN UTAH...
 ...THUNDERSTORMS CONTINUE OVER THE SOUTHERN HALF OF THE STATE...

THUNDERSTORMS ARE BEGINNING TO DEVELOP OVER SOUTHWESTERN UTAH AND ARE
SPREADING INTO THE CENTRAL PART OF THE STATE.  MEANWHILE STRONGER
THUNDERSTORMS THAT WERE OVER THE SOUTHEASTERN CORNER OF UTAH THIS
MORNING ARE WEAKENING AND MOVING INTO COLORADO.  HOWEVER...MORE
THUNDERSTORMS ARE DEVELOPING IN NORTHEASTERN ARIZONA.  AS AN UPPER
LEVEL DISTURBANCE MOVES ACROSS THE STATE FROM SOUTH TO NORTH TODAY
THE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP AND SPREAD
NORTHWARD INTO NORTHERN UTAH.

SO FAR TODAY THUNDERSTORMS IN SOUTHEASTERN UTAH HAVE PRODUCED BRIEF
HEAVY RAINFALL AND FREQUENT LIGHTNING.  A FEW REPORTS OF RAINFALL AS
OF NOON INCLUDE 0.49 INCHES AT BLANDING...0.17 INCHES AT GREEN
RIVER...AND 0.25 AT HOLE IN THE ROCK.

THE MAIN THUNDERSTORM THREAT TODAY WILL BE GUSTY WINDS AND FREQUENT
LIGHTNING HOWEVER BRIEF HEAVY RAINFALL HAS CAUSED MANY DRY WASHES TO
RUN.  DO NOT ATTEMPT TO DRIVE THROUGH ANY AREAS WHERE WATER IS
COVERING ROADWAYS.   REMEMBER ALSO THAT LIGHTNING IS A PROVEN KILLER.
IF YOU ARE OUTDOORS WHEN THREATENING WEATHER APPROACHES SEEK SHELTER
INDOORS OR IN A VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL OFFICIALS FOR FURTHER
STATEMENTS AND ADVISORIES.

SJK/MSL...1845Z

UTZ001>003-006-009>011-070300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
405 PM MDT TUE AUG 6 1991

...THUNDERSTORMS WITH STRONG MICROBURST WINDS OVER WESTERN UTAH THROUGH
       THIS EVENING...

THUNDERSTORMS ARE DEVELOPING OVER WESTERN UTAH AGAIN THIS AFTERNOON
AHEAD OF AN UPPER LEVEL DISTURBANCE MOVING NORTHWARD FROM SOUTHERN
CALIFORNIA.  THE AIRMASS OVER THIS PART OF THE STATE IS FAIRLY DRY AT
LOWER LEVELS.  AS A RESULT...SOME OF THESE STORMS HAVE BEEN PRODUCING
STRONG MICROBURST WINDS.  JUST BEFORE 4 PM A GUST TO 56 MPH WAS REPORTED
AT BYU IN PROVO.

ADDITIONAL MICROBURST WINDS OF 40 TO 50 MPH ARE POSSIBLE OVER THE
WESTERN PORTIONS OF THE STATE UNTIL THE STORMS DIMINISH LATER TONIGHT.
LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR SUDDEN WIND
GUSTS THAT COULD MAKE DRIVING HAZARDOUS AS WELL AS REDUCED VISIBILITIES
IN BLOWING DUST.  ON LAKES...STRONG GUSTY WINDS CAN MAKE SMALL BOATS
DIFFICULT TO HANDLE.

LIGHTNING WILL ALSO ACCOMPANY THESE STORMS AND CAN BE DEADLY.  SEEK
PROPER SHELTER INDOORS OR IN A CAR IF A THUNDERSTORM APPROACHES.

PJW/CCS...2206Z