Flash Flood Warning 6, NWS Salt Lake City, UT

Issued

Aug 8, 1989, 10:04 PM MDT (04:04 UTC)

Expired

Aug 9, 1989, 12:00 AM MDT

In force

116 min

Issued by

NWS Salt Lake City, UT

Area

Whole counties

Counties Kane County, UT, Washington County, UT

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

000 
TTAA00 KSLC 090408
FFWSLC
UTC025-053-090600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1004 PM MDT TUE AUG 8 1989
 
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT MDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST UTAH
          ...WASHINGTON...AND WESTERN KANE
 
THE AIRMASS OVER SOUTHWEST UTAH IS EXTREMELY MOIST AND UNSTABLE.
SATELLITE IMAGERY...LIGHTNING DETECTION...AND RADAR INDICATE VERY
HEAVY THUNDERSHOWERS OVER EXTREME NORTHWEST ARIZONA ARE MOVING VERY
SLOWLY INTO WASHINGTON AND WESTERN KANE COUNTIES. IN ADDITION...AT 955
PM THE ST GEORGE HIGHWAY PATROL OFFICE REPORTED VERY HEAVY RAIN THROUGHTHE GORGE ON INTERSTATE 15 JUST SOUTH OF THE UTAH BORDER.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
ERC 09/0404Z

In the hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
843 PM MDT TUE AUG 08 1989

...AREAS OF THUNDERSTORMS APPROACHING WESTERN UTAH FROM NEVADA...

HEAVY THUNDERSTORMS HAVE BEEN DEVELOPING ACROSS NEVADA ALL AFTERNOON
INTO THIS EVENING.  THEY HAVE BEEN MOVING TO THE NORTHEAST.  SOME
LARGE THUNDERSTORMS HAVE MOVED FROM NORTHEAST NEVADA INTO SOUTHEAST
IDAHO.

THESE THUNDERSTORMS OVER NEVADA AND IDAHO HAVE CAUSED SOME HEAVY RAIN
AND SEVERE WEATHER.  A FEW EXAMPLES INCLUDE WINDS TO 99 MPH AT THE
LAS VEGAS AIRPORT AT 7 PM...A FUNNEL CLOUD JUST WEST OF POCATELLO
ALSO AT 7 PM...AND RAINFALL AMOUNTS IN EXCESS OF ONE INCH IN WESTERN
NEVADA THE LAST 24 HOURS.

THE MAIN THUNDERSTORMS AT 8 PM IN NEVADA WERE IN THE SOUTHERN PORTION
AND WERE HEADING EAST NORTHEAST TOWARD SOUTHWEST AND WEST CENTRAL
UTAH.  THESE THUNDERSTORMS ARE SLOWLY WEAKENING AS THE SUN GOES DOWN
BUT MUCH OF WESTERN UTAH CAN EXPECT GUSTY WINDS...LIGHTNING...AND
SOME HEAVY SHOWERS LATER THIS EVENING AND POSSIBLY EVEN AFTER
MIDNIGHT.  THE MAIN ACTVITY IS STILL EXPECTED IN SOUTHWEST UTAH AND
THE FLASH FLOOD WATCH IS STILL IN EFFECT THERE UNTIL MIDNIGHT.

FURTHER STATEMENTS WILL BE ISSUED IF NEEDED.

ERC 09/0243Z

Flash Flood Warnings in Utah, 1989Every flash flood warning in 1989

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.