Flash Flood Warning 12, NWS Las Vegas, NV

Issued

Jul 8, 1999, 2:45 PM PDT (21:45 UTC)

Expired

Jul 8, 1999, 3:00 PM PDT

In force

15 min

Issued by

NWS Las Vegas, NV

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Clark County, NV

000 
TTAA00 KVEF 082147
FFWLAS
NVC003-090100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
245 PM PDT THU JUL 8 1999

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL CLARK COUNTY IN SOUTHERN NEVADA

* THIS IS AN EXTENSION TO THE FLASH FLOOD WARNING THAT WAS VALID
  UNTIL 300 PM

* THIS INCLUDES THE FOLLOWING LOCATIONS...HENDERSON...LAS
  VEGAS...NORTH LAS VEGAS

* UNTIL 600 PM PDT

* AT 245 PM PDT...SEVERE RUNOFF CONTINUES TO FLOW DOWN WASHES AND 
STREETS ACROSS THE LAS VEGAS VALLEY. ALSO...AREAS OF STANDING WATER
ARE MAKING TRAVEL NEARLY IMPOSSIBLE IN THE VALLEY.

FLOOD WATERS WILL CONTINUE MOVING DOWN THE LAS VEGAS...FLAMINGO AND 
TROPICANA WASHES...ESPECIALLY IN THE EAST VALLEY UNTIL 600 PM PDT.

THE THREAT FOR MORE HEAVY RAIN IN THE LAS VEGAS VALLEY HAS ENDED 
WITH DOPPLER RADAR DETECTING ONLY LIGHT SHOWERS.  

NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. 
IT ONLY TAKES A FOOT OR TWO OF FLOWING WATER TO WASH MOST CARS AWAY. 
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

LAT...LON 3597 11541 3597 11496 3639 11490 3634 11546

&

NWS Las Vegas, NV wrote its last area forecast discussion before this flash flood warning went out at Jul 8, 9:45 AM PDT, 5 hours earlier.

MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
945 AM PDT THU JUL 8 1999

SYNOPSIS...HIGH PRESSURE CENTERED OVER COLORADO WILL MOVE OVER THE
DESERT SOUTHWEST BY THIS WEEKEND. THE AIR MASS WILL REMAIN
SUFFICIENTLY MOIST AND UNSTABLE FOR AFTERNOON AND EVENING
THUNDERSTORMS. DAYTIME TEMPERATURES WILL BE NEAR OR SLIGHTLY BELOW
NORMAL.

DISCUSSION...PRECIPITABLE WATER REMAINS VERY HIGH OVER MUCH OF THE
CWFA WITH LARGE AREA OF -3 TO -5 LI/S. 12Z DRA SOUNDING INDICATES
WINDS 10 KNOTS OR LESS UP TO 300 MB. RAINFALL WIDESPREAD ACROSS
SOUTHERN LINCOLN...WESTERN CLARK...SOUTHERN NYE AND SE INYO COUNTIES
WITH THUNDERSTORMS DEVELOPING REST OF CWFA. SOME FLASH FLOODING BEING
REPORTED THIS MORNING IN SOUTHERN LINCOLN AND NORTHERN CLARK
COUNTIES. CURRENT FLASH FLOOD WATCH LOOKS GOOD BUT WILL BOOST UP POPS
AND CUT BACK ON TEMPS A BIT WHERE SUNSHINE WILL BE LIMITED.

.LAS...A FLASH FLOOD WATCH HAS BEEN ISSUED. PLEASE REFER TO THE
       LATEST RNOFFALAS STATEMENT FOR DETAILS.

Flash Flood Warnings in Nevada, 1999Every flash flood warning in 1999

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