Flash Flood Warning 3, NWS Las Vegas, NV

000
WGUS75 KVEF 020106
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
603 PM PDT SAT JUL 1 2006

CAC071-020215-
SAN BERNARDINO CA-
603 PM PDT SAT JUL 1 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT FOR EAST
CENTRAL SAN BERNARDINO COUNTY...

LOCATIONS IMPACTED INCLUDE...NEEDLES.

AT 600 PM PDT...DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS 
OVER MUCH OF EASTERN SAN BERNARDINO COUNTY ALONG INTERSTATE 40. A 
TRAINED SPOTTER REPORTED STREET FLOODING IN NEEDLES...AND LOCAL LAW 
ENFORCEMENT REPORTED VERY HEAVY RAIN CONTINUING IN THE AREA. ANOTHER 
HALF INCH OF RAIN CAN BE EXPECTED THROUGH 7 PM...WHICH WILL PRODUCE 
MORE FLOODING.

IN DESERT TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. TURN AROUND...DONT DROWN. FIND ALTERNATE ROUTES.

LAT...LON 3479 11485 3465 11445 3481 11459 3492 11463
      3493 11485

$$

MORGAN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
205 PM PDT SAT JUL 1 2006

.SYNOPSIS...AN AREA OF HIGH PRESSURE WILL REMAIN CENTERED ROUGHLY
ACROSS SOUTHERN CALIFORNIA AND NORTHWEST ARIZONA THROUGH MONDAY.
THIS WILL KEEP A SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS MAINLY
ACROSS NORTHWEST ARIZONA AND INTO FAR EASTERN NEVADA SUNDAY AND
MONDAY. TEMPERATURES WILL REMAIN ABOVE NORMAL.
&&

.SHORT TERM...UPPER HIGH STRETCHING FROM SOUTHERN CALIFORNIA UP
THROUGH NORTHWEST ARIZONA TODAY WITH MOIST AND UNSTABLE AIR MASS IN
PLACE OVER ROUGHLY THE EASTERN HALF OF THE FORECAST AREA. WILL SEE
ISOLATED TO SCATTERED THUNDERSTORMS THROUGH AT LEAST THIS EVENING
AND POSSIBLY ALL NIGHT IN MOHAVE COUNTY DEPENDING ON OUTFLOW
BOUNDARIES. MID AND UPPER LEVEL FLOW IS FORECAST TO INCREASE FROM
THE SOUTHWEST WITH THE MOISTURE AND INSTABILITY SHIFTING EASTWARD
SUNDAY AND MONDAY. LIMITED THUNDERSTORM CHANCES TO MOHAVE COUNTY AND
EASTERN LINCOLN COUNTY FOR SUNDAY THROUGH MONDAY NIGHT. SEE LITTLE
TREND IN TEMPERATURES FOR THE NEXT COUPLE OF DAYS WITH HIGH TEMPS
SEVERAL DEGREES ABOVE NORMAL.

.LONG TERM...500MB TROF APPROACHES THE WESTERN COAST ON WEDNESDAY AS
MODELS DEPICT A SYSTEM DEVELOPING OFF THE COAST OF BRITISH
COLOMBIA...PUSHING THE BROAD RIDGE EASTWARD OVER THE CENTRAL PLAINS
AND SHIFTING THE AREA INTO DRIER SOUTHWEST FLOW. THE GFS CONTINUES
TO DEPICT THE DEVELOPMENT OF A WEAK UPPER LOW OVER BAJA MEXICO ON
TUESDAY AND MIGRATING NORTHWARD ON WEDNESDAY...BUT THE THE 00Z/12Z
RUNS OF THE ECMWF HAVE KEPT THE AREA UNDERNEATH A WEAK HIGH INSTEAD.
HAVE KEPT SLIGHT CHANCE POPS IN TUES-SATURDAY AFTERNOON PRIMARILY
FOR MOHAVE COUNTY AS THERE APPEARS TO BE ENOUGH LOW AND MID LEVEL
MOISTURE REMAINING TO KICK OFF AFTERNOON THUNDERSTORMS EACH
AFTERNOON. INCREASING CLOUD COVER TUESDAY AND WEDNESDAY WILL HELP
KEEP MAX TEMPS CLOSE TO AVERAGE. BY FRIDAY, MOSTLY CLEAR SKIES IN
DRY SW FLOW BUT LOWER TEMPS WITH DECREASING 500MB HEIGHTS.

.AVIATION...THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON
AND EVENING...PRIMARILY ACROSS THE PEACH SPRINGS CORRIDOR WITH A FEW
STORMS DEVELOPING IN THE MORMON MESA CORRIDOR AS WELL. PRIMARY
THREAT WILL CONTINUE TO BE FROM ERRATIC AND GUSTY THUNDERSTORM
WINDS. TAFS AND TWEBS ADEQUATELY DESCRIBE EXPECTED WEATHER
CONDITIONS FOR AREA TERMINALS. SEE TAFS FOR
KLAS...KVGT...KDRA...KBIH...KDAG... KEED.

AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS.

.VEF WATCHES/WARNINGS/ADVISORIES...
.NV...NONE.
.AZ...NONE.
.CA...NONE.

HARRISON/MOSES

HTTP://WEATHER.GOV/LASVEGAS