Flash Flood Warning 173, NWS Las Vegas, NV

420 
WGUS75 KVEF 091823
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1123 AM PDT TUE SEP 9 2014

CAC071-092045-
/O.CON.KVEF.FF.W.0173.000000T0000Z-140909T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
1123 AM PDT TUE SEP 9 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM PDT FOR
EXTREME EAST CENTRAL SAN BERNARDINO COUNTY...

AT 1121 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IMPACTED INCLUDE...
HAVASU CALIFORNIA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. 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.

&&

LAT...LON 3443 11451 3452 11451 3455 11439 3453 11438
      3446 11439 3445 11434 3442 11434

$$

DSB

393 
WGUS75 KVEF 091854
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1154 AM PDT TUE SEP 9 2014

CAC071-091903-
/O.CAN.KVEF.FF.W.0173.000000T0000Z-140909T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
1154 AM PDT TUE SEP 9 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EXTREME EAST
CENTRAL SAN BERNARDINO COUNTY...

RAIN HAS ENDED IN THE AREA AND FLOODWATERS HAVE SUBSIDED.  NO 
FURTHER FLOODING IS EXPECTED AT THIS TIME.

LAT...LON 3443 11451 3452 11451 3455 11439 3453 11438
      3446 11439 3445 11434 3442 11434

$$

DSB

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1032 AM PDT TUE SEP 9 2014

.SYNOPSIS...THUNDERSTORM CHANCES WILL BE LIMITED TO AREAS NEAR AND
EAST OF HIGHWAY 95 TODAY...THEN DRY WEATHER IS EXPECTED AREAWIDE
WEDNESDAY THROUGH FRIDAY ALONG WITH WARMER TEMPERATURES AND LOWER
HUMIDITY.
&&

.UPDATE...THE LINE OF SHOWERS AND THUNDERSTORMS WE SAW OVER
NORTHEAST CLARK AND SOUTHEAST LINCOLN COUNTIES HAS DIMINISHED
ALTHOUGH THERE WAS SOME RE-DEVELOPMENT OVER EXTREME NORTHERN MOHAVE
COUNTY. ANOTHER LINE OF CONVECTION WAS LOCATED FROM ABOUT PEACH
SPRINGS AZ BACK TO EXTREME SOUTHEAST SAN BERNARDINO COUNTY. THE
NAM12 CONTINUES TO INDICATE ENOUGH MOISTURE AND INSTABILITY
LINGERING ACROSS MOHAVE COUNTY AND EASTERN PORTIONS OF LINCOLN AND
CLARK COUNTIES THROUGH AT LEAST EARLY AFTERNOON...SUPPORTING THE
INHERITED FORECAST. NO UPDATES PLANNED THIS MORNING.
&&

.AVIATION...FOR MCCARRAN...THUNDERSTORMS SHOULD BE LIMITED TO THE
MORMON MESA AND PEACH SPRINGS CORRIDORS TODAY. WINDS WILL BE MAINLY
SOUTHERLY TODAY AND TONIGHT. FOR WEDNESDAY AND THURSDAY...ASIDE FROM
PERIODS OF LIGHT EASTERLY WINDS IN THE LATE MORNINGS AND
AFTERNOONS...NO OPERATIONALLY SIGNIFICANT WEATHER IS EXPECTED.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...THUNDERSTORM CHANCES TODAY WILL BE LIMITED TO MOHAVE
AND EASTERN LINCOLN AND CLARK COUNTIES. NO OPERATIONALLY SIGNIFICANT
WEATHER IS EXPECTED WEDNESDAY AND THURSDAY.
&&

.PREV DISCUSSION...
241 AM PDT TUE SEP 9 2014

.SHORT TERM...THROUGH THURSDAY NIGHT...THUNDERSTORMS HAVE DECREASED
MARKEDLY OVERNIGHT. SATELLITE LOOP AND SURFACE OBS SUGGESTED DRY AIR
HAD WORKED THROUGH INYO COUNTY AND WAS MAKING SLOW PROGRESS THROUGH
NORTHWEST SAN BERNARDINO COUNTY. THIS TREND SHOULD CONTINUE THROUGH
THE DAY...SO PRECIP CHANCES SHOULD ERODE FROM THE WEST AS THE DAY
GOES ON. IN THE EASTERN CWA...LINCOLN COUNTY IS FORECAST TO HAVE THE
MOST SHEAR LATER TODAY...SO SEVERE STORMS COULD BE A THREAT THERE.
EXPECT DRY WEATHER AREAWIDE WEDNESDAY AND THURSDAY WITH LOWER
HUMIDITY AND WARMER TEMPERATURES.

.LONG TERM...FRIDAY THROUGH MONDAY...DRIER CONDITIONS AND REBOUNDING
TEMPERATURES ARE EXPECTED THROUGH THE END OF THE WEEK. FOR NEXT
WEEKEND...THERE CONTINUES TO BE SOME HINT OF A WEAK RETURN OF
MOISTURE. FOR THE MOMENT HAVEN'T MADE MUCH CHANGE TO THE GOING
FORECAST WITH GHOST TO SLIGHT CHANCE POPS ACROSS THE SOUTHEASTERN
HALF OF THE FORECAST AREA. RIGHT NOW IT APPEARS THAT IF THERE IS AN
INCREASE IN MOISTURE IT WOULD BE RELATIVELY WEAK...WITH MAINLY
DIURNAL SHOWER/THUNDERSTORMS OVER THE MOUNTAINS. WE WILL NEED TO
CONTINUE TO WATCH AS MODELS COME INTO BETTER AGREEMENT.
&&

.SPOTTER INFORMATION STATEMENT...SPOTTERS...ESPECIALLY THOSE IN
MOHAVE COUNTY...SHOULD BE PREPARED TO REPORT HAZARDOUS WEATHER
TODAY. THE MAIN THREAT WILL BE FLASH FLOODING. SPOTTER ACTIVATION IS
NOT EXPECTED WEDNESDAY THROUGH NEXT MONDAY.
&&

UPDATE/AVIATION...HARRISON
PREV DISCUSSION...MORGAN/WOLCOTT

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

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