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Flash Flood Watch

Flood Watch
National Weather Service Las Vegas NV
507 AM PDT Sat Jul 31 2021

.Another round of high monsoonal moisture is expected through the
weekend that will lead to an increased risk for flash flooding
across much of the region. Isolated to scattered thunderstorms
capable of very high rainfall rates will be possible each
afternoon today and could linger into the overnight hours as
well.

AZZ001>003-036-CAZ519>522-524>527-NVZ014>022-312100-
/O.CON.KVEF.FF.A.0007.000000T0000Z-210801T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Eastern Sierra Slopes-
Owens Valley-White Mountains of Inyo County-
Death Valley National Park-Eastern Mojave Desert-Morongo Basin-
Cadiz Basin-San Bernardino County-Upper Colorado River Valley-
Esmeralda and Central Nye County-Lincoln County-
Northeast Clark County-Western Clark and Southern Nye County-
Sheep Range-Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Southern Clark County-
507 AM PDT Sat Jul 31 2021 /507 AM MST Sat Jul 31 2021/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

The Flash Flood Watch continues for

* Portions of northwest Arizona, southeast California, and
  Nevada, including the following areas, in northwest Arizona,
  Lake Havasu and Fort Mohave, Lake Mead National Recreation
  Area, Northwest Deserts, and Northwest Plateau. In southeast
  California, Cadiz Basin, Death Valley National Park, Eastern
  Mojave Desert, Eastern Sierra Slopes, Morongo Basin, Owens
  Valley, San Bernardino County-Upper Colorado River Valley, and
  White Mountains of Inyo County. In Nevada, Esmeralda and
  Central Nye County, Lake Mead National Recreation Area, Las
  Vegas Valley, Lincoln County, Northeast Clark County, Sheep
  Range, Southern Clark County, Spring Mountains-Red Rock
  Canyon, and Western Clark and Southern Nye County.

* Through late tonight

* Afternoon and evening thunderstorms are expected to develop both
  today that will be capable of producing very high rainfall
  rates and areas of flash flooding. High terrain areas such as
  the Spring Mountains and the Sierra Nevada are favored for the
  highest rainfall totals, but these storms are expected to move
  into lower desert valley areas spreading the flash flood risk
  across much of the region as well.

* Very heavy rainfall rates are expected which will lead to
  flash flooding. Especially in high terrain areas and in highly
  vulnerable debris flow areas such as burn scars. With several
  instances of flash flooding over the recent weeks, already
  flash flood prone washes and low water crossings will be
  likely to flood again.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take action when Flash Flood Warnings are issued
and check to ensure you are able to receive them.

Turn around, don`t drown when encountering flooded roads. Most
flood deaths occur in vehicles.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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