Flash Flood Warning 23, NWS Las Vegas, NV

Issued

Jul 14, 2012, 1:36 PM PDT (20:36 UTC)

Expired

Jul 14, 2012, 3:30 PM PDT

In force

114 min

Issued by

NWS Las Vegas, NV

Area

Storm-based polygon

Flood severity

None

County San Bernardino County, CA

The Santa Ana Mts radar (KSOX), 148 km from the middle of the area, began a volume at 20:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

250 
WGUS55 KVEF 142036
FFWVEF
CAC071-142230-
/O.NEW.KVEF.FF.W.0023.120714T2036Z-120714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
136 PM PDT SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...

* UNTIL 330 PM PDT.

* AT 130 PM PDT...TRAINED WEATHER SPOTTERS REPORTED VERY HEAVY RAIN  
  FROM A THUNDERSTORM NEAR TWENTYNINE PALMS CAUSING FLASH FLOODING   
  OF ROADS IN TWENTYNINE PALMS. THE STORM PRODUCING VERY   HEAVY     
  RAIN WAS NEARLY STATIONARY.

* LOCATIONS IMPACTED INCLUDE...
  TWENTYNINE PALMS MCAS AND JOSHUA TREE LAKE CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES...
AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS
NATURES NUMBER ONE KILLER. NEVER TRY TO CROSS A FLOODED ROADWAY OR
WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!

REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.

&&

LAT...LON 3412 11606 3412 11626 3408 11627 3408 11644
      3404 11646 3404 11658 3411 11655 3413 11649
      3418 11645 3432 11646 3433 11550 3411 11547
      3412 11553 3407 11555 3409 11560 3404 11560
      3404 11600

$$

STACHELSKI

982 
WGUS75 KVEF 142133
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
233 PM PDT SAT JUL 14 2012

CAC071-142230-
/O.CON.KVEF.FF.W.0023.000000T0000Z-120714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
233 PM PDT SAT JUL 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM PDT FOR SOUTH
CENTRAL SAN BERNARDINO COUNTY...

STORMS WERE DIMINISHING IN THE WARNING AREA AS OF 230 PM. 
HOWEVER...RUNOFF FROM EARLIER HEAVY RAIN IS STILL EXPECTED TO CAUSE 
FLOODING. 

LOCATIONS IMPACTED INCLUDE...
TWENTYNINE PALMS MCAS AND JOSHUA TREE LAKE CAMPGROUND.

LAT...LON 3412 11606 3412 11626 3408 11627 3408 11644
      3404 11646 3404 11658 3411 11655 3413 11649
      3418 11645 3432 11646 3433 11550 3411 11547
      3412 11553 3407 11555 3409 11560 3404 11560
      3404 11600

$$

JH

654 
WGUS75 KVEF 142222
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
322 PM PDT SAT JUL 14 2012

CAC071-142231-
/O.EXP.KVEF.FF.W.0023.000000T0000Z-120714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
322 PM PDT SAT JUL 14 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 330 PM PDT FOR SOUTH
CENTRAL SAN BERNARDINO COUNTY...

RAIN HAS NOT FALLEN IN THE WARNING AREA FOR AWHILE AND THERE HAVE 
BEEN NO ADDITIONAL REPORTS OF FLOODING. 

LAT...LON 3412 11606 3412 11626 3408 11627 3408 11644
      3404 11646 3404 11658 3411 11655 3413 11649
      3418 11645 3432 11646 3433 11550 3411 11547
      3412 11553 3407 11555 3409 11560 3404 11560
      3404 11600

$$

JH

Flash Flood Warnings in California, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.