Flash Flood Warning 68, NWS Las Vegas, NV

895 
WGUS75 KVEF 201331
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
631 AM MST MON JUL 20 2015

AZC015-201500-
/O.CON.KVEF.FF.W.0068.000000T0000Z-150720T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
631 AM MST MON JUL 20 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM MST FOR
WEST CENTRAL MOHAVE COUNTY...

AT 627 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS THAT PRODUCED HEAVY RAIN IN EXCESS OF ONE INCH OVER 
THE WARNED AREA IN THE LAST 90 MINUTES. 
 
FLASH FLOODING IS LIKELY OCCURING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHLORIDE...PACKSADDLE CAMPGROUND...PIERCE FERRY AND ANTARES ROADS...
STOCKTON HILL ROAD...DOLAN SPRINGS AND WINDY POINT CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
ROADS. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO
CROSS A FLOODED ROAD OR ENTER A FLOOD CHANNEL. TURN AROUND...DONT
DROWN! REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3581 11403 3547 11378 3531 11419 3575 11438

$$

STEELE

262 
WGUS75 KVEF 201451
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
751 AM MST MON JUL 20 2015

AZC015-201500-
/O.EXP.KVEF.FF.W.0068.000000T0000Z-150720T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
751 AM MST MON JUL 20 2015

...THE FLASH FLOOD WARNING FOR WEST CENTRAL MOHAVE COUNTY WILL EXPIRE
AT 800 AM MST...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. ADDITIONAL SHOWERS ARE STILL POSSIBLE IN THE NEXT TWO 
HOURS.

LAT...LON 3581 11403 3547 11378 3531 11419 3575 11438

$$

STEELE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
244 AM PDT MON JUL 20 2015

.SYNOPSIS...A DISTURBANCE STRETCHING FROM THE COAST TO THE SOUTHERN
GREAT BASIN WILL AIDE IN SHOWER AND THUNDERSTORM DEVELOPMENT TODAY
THROUGH TUESDAY. STORMS IN THIS TYPE OF ENVIRONMENT CAN PRODUCE
LOCALLY HEAVY RAIN IN A SHORT PERIOD OF TIME AND RESULT IN FLASH
FLOODING. ANYONE PLANNING OUTDOOR ACTIVITIES OR A TRIP IN THE NEXT
COUPLE OF DAYS ARE ENCOURAGED TO REMAIN WEATHER AWARE. BY MID
WEEK...DRIER AIR IS EXPECTED TO SPREAD ACROSS THE REGION BRINGING AN
END TO THUNDERSTORM ACTIVITY THAT WILL LAST INTO THE WEEKEND.
&&

.SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT.

AS OF MIDNIGHT, SHOWER AND THUNDERSTORM ACTIVITY HAS BEEN FILLING IN
OVER THE CENTRAL PORTIONS OF THE FORECAST AREA WITH MOST OF THE
ACTION NORTH OF INTERSTATE 40. SHOWERS AND STORMS OVER LINCOLN
COUNTY LAST EVENING SLOWLY BUILT SOUTH ALONG A BOUNDARY AND REACHED
INTO CLARK COUNTY WHERE UP TO .35 INCHES WAS RECORDED IN THE SPRING
MOUNTAINS, UP TO TWO THIRDS OF AN INCH IN THE SHEEP RANGE AND TWO TO
THREE TENTHS IN THE MESQUITE AREA AS OF 130 AM. AN AREA OF LIGHT TO
MODERATE RAIN SHOWERS OVER SOUTHERN CLARK COUNTY ARE MARCHING
NORTHWARD AND SHOULD MOVE ACROSS THE LAS VEGAS VALLEY IN THE HOUR OR
TWO. RAIN AMOUNTS THUS FAR HAVE BEEN LIGHT WHERE SHOWERS HAVE PASSED
OVER RAIN GAGES. MODERATE TO POSSIBLY HEAVY RAIN WAS NOTED ON RADAR
NEAR THE TEMPLE BAR AREA.

TODAY COULD BE AN INTERESTING DAY ACROSS MUCH OF THE AREA,
ESPECIALLY NORTH OF INTERSTATE 40 WITH VARIOUS BOUNDARIES FROM
PREVIOUS DAY CONVECTION PROVIDING FOCUS FOR STORM INITIATION. IN
ADDITION, THE REMNANTS OF DOLORES IS FORECAST TO COMBINE WITH LOW
PRESSURE OFF THE WEST COAST WITH A 50KT JET FORECAST TO DEVELOP
AROUND THE BASE OF THE LOW AND MOVE INTO SOUTHERN CALIFORNIA
BECOMING AN EXTRA SOURCE OF LIFT. MODELS FORECAST DRIER, MORE STABLE
AIR OVER SOUTHERN MOHAVE INTO SOUTHEAST SAN BERNARDINO COUNTY
HEADING INTO THE AFTERNOON HOURS TODAY AND SHOWER ACTIVITY MAY SHUT
DOWN EARLY THERE. A FLASH FLOOD WATCH REMAINS FOR MOST AREAS THROUGH
MID DAY THEN THE SOUTHERN AREAS GET TRIMMED OUT AS THE DRIER AIR
MOVES INTO THE DESERTS FOR THIS AFTERNOON.

THE LOW OFF THE COAST OPENS UP TONIGHT AND CROSSES THE AREA TUESDAY
WITH THE FOCUS FOR SHOWERS/STORMS SHIFTING MAINLY TO INYO COUNTY AND
THE SOUTHERN GREAT BASIN. WEAK INSTABILITY EXTENDS INTO PORTIONS OF
CLARK COUNTY ON TUESDAY AND THE MOUNTAINS COULD SEE A FEW SHOWERS AS
WELL.

BY WEDNESDAY, TROUGHING MOVES TO THE NORTHWEST COAST AND THE
NORTHWEST CWA LIES IN THE RIGHT ENTRANCE REGION OF A 70+ KNOT JET
PROVIDING SOME UPPER LEVEL SUPPORT FOR LINGERING MOISTURE IN THAT
AREA FOR ANOTHER SHOT AT THUNDERSTORMS. DRIER, MORE STABLE AIR WILL
BE IN PLACE ELSEWHERE AND MAINLY DRY CONDITIONS ARE EXPECTED. A
WARMING TREND IS FORECAST THROUGH MID WEEK BUT TEMPERATURES WILL
REMAIN BELOW NORMAL.

.LONG TERM...THURSDAY THROUGH SUNDAY.

LONG TERM STARTS OUT WITH A TROUGH EXTENDING FROM THE THE PAC NW
SOUTHWARD INTO NORTHERN CALIFORNIA. MODELS STILL TRYING TO DEVELOP A
CONVERGENCE ZONE FROM NEAR BISHOP NORTHEAST INTO CENTRAL NEVADA
THURSDAY. ADDED SLIGHTLY HIGHER POPS TO NORTHERN ESMERALDA COUNTY AS
AN ISOLATED SHOWER OR THUNDERSTORM COULD DEVELOP. OTHERWISE, DRIER
SOUTHWEST FLOW WILL TRANSLATE TO A BREEZY AFTERNOON ALONG WITH
WARMER TEMPERATURES.

FRIDAY AND SATURDAY WILL BE DRY AND WARMER YET WITH TEMPERATURES
NEAR SEASONAL NORMALS. FOR SUNDAY...INCREASED POPS ACROSS EASTERN
MOHAVE AS MONSOON MOISTURE COULD SNEAK BACK WEST INTO THE COUNTY.
REMAINDER OF THE AREA LOOKS TO STAY DRY WITH SEASONABLE
TEMPERATURES.
&&

AVIATION...FOR MCCARRAN...LIGHT-MODERATE SHOWERS ARE
POSSIBLE THROUGH 12-13Z IN THE VALLEY THEN ANOTHER ROUND IS POSSIBLE
THIS AFTERNOON. GUSTY...ERRATIC OUTFLOW WINDS AND BRIEFLY REDUCED
VISIBILITY IN RAIN ARE THE PRIMARY IMPACTS EXPECTED. OTHERWISE,
WINDS WILL MAINLY FAVOR DIURNAL DIRECTIONAL TRENDS THROUGH TONIGHT.
SCT-BKN CLOUDS WILL GENERALLY BE AOA 10K FEET UNLESS SHOWERS FORM IN
THE VALLEY AND BRIEFLY LOWER CIGS TO AROUND 6K FEET. SHOWERS AND
THUNDERSTORMS WILL MOST PREVALENT IN THE BEATTY AND MORMON MESA
CORRIDORS WITH ISOLATED SHRA/TSRA IN THE OTHER APPROACH CORRIDORS.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...SHRA/TSRA ACTIVITY WILL SHIFT SLOWLY NORTH TODAY WITH
DRIER CONDITIONS EXPECTED SOUTH OF INTERSTATE 40 BY THIS AFTERNOON.
OUTSIDE OF THUNDERSTORM OUTFLOW, WINDS WILL GENERALLY FOLLOW DIURNAL
DIRECTIONAL TRENDS THROUGH TONIGHT.
&&

.SPOTTER INFORMATION STATEMENT...SPOTTER ACTIVATION MAY BE NEEDED
TODAY AND/OR TUESDAY. REPORTS OF FLASH FLOODING, THUNDERSTORM WINDS,
DUST, HAIL AND RELATED DAMAGE AS WELL AS RAINFALL TOTALS ARE
ENCOURAGED. SPOTTER ACTIVATION IS NOT EXPECTED BEYOND WEDNESDAY
THROUGH NEXT WEEKEND.
&&

SALMEN/PIERCE

FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:

HTTP://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER