Flash Flood Warning 147, NWS Las Vegas, NV

Issued

Aug 22, 2012, 9:34 AM PDT (16:34 UTC)

Expired

Aug 22, 2012, 11:30 AM PDT

In force

116 min

Issued by

NWS Las Vegas, NV

Area

Storm-based polygon

Flood severity

None

Counties Inyo County, CA, San Bernardino County, CA, Clark County, NV

The Las Vegas radar (KESX), 82 km from the middle of the area, began a volume at 16:35 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.

531 
WGUS55 KVEF 221634
FFWVEF
CAC027-071-NVC003-221830-
/O.NEW.KVEF.FF.W.0147.120822T1634Z-120822T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
934 AM PDT WED AUG 22 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EXTREME SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA...
  EXTREME NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN
  CALIFORNIA...
  WEST CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...

* UNTIL 1130 AM PDT.

* AT 931 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM 6 MILES WEST OF SANDY VALLEY...
  OR 21 MILES NORTHWEST OF PRIMM. THE STORM PRODUCING VERY HEAVY RAIN
  WAS NEARLY STATIONARY. OTHER STORMS HAD PRODUCED HEAVY RAIN IN 
  SOUTHEAST INYO COUNTY...AND THE WATER FROM BOTH AREAS WILL DRAIN 
  TOWARD KINGSTON ROAD ON THE CALIFORNIA SIDE JUST SOUTHWEST OF 
  SANDY VALLEY.

* LOCATIONS IMPACTED INCLUDE...
  SANDY VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. 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 3596 11599 3596 11552 3560 11555 3561 11590

$$

MORGAN

493 
WGUS75 KVEF 221727
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1027 AM PDT WED AUG 22 2012

CAC027-071-NVC003-221830-
/O.CON.KVEF.FF.W.0147.000000T0000Z-120822T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-INYO CA-CLARK NV-
1027 AM PDT WED AUG 22 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM PDT FOR WEST
CENTRAL CLARK...EXTREME SOUTHEASTERN INYO AND EXTREME NORTH CENTRAL
SAN BERNARDINO COUNTIES...

AT 1022 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORM PRODUCING HEAVY RAIN IN THE SANDY VALLEY AREA. 
MORE THUNDERSTORMS WILL AFFECT THIS SAME AREA THROUGH 1130 
AM...LIKELY RESULTING IN FLASH FLOODING.

LOCATIONS IMPACTED INCLUDE...
SANDY VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. 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 3596 11599 3596 11552 3560 11555 3561 11590

$$

MORGAN

625 
WGUS75 KVEF 221823
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1123 AM PDT WED AUG 22 2012

CAC027-071-NVC003-221832-
/O.EXP.KVEF.FF.W.0147.000000T0000Z-120822T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-INYO CA-CLARK NV-
1123 AM PDT WED AUG 22 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 AM PDT FOR WEST
CENTRAL CLARK...EXTREME SOUTHEASTERN INYO AND EXTREME NORTH CENTRAL
SAN BERNARDINO COUNTIES...

AT 1122 AM PDT...RADAR INDICATED THAT RAIN WAS LETTING UP IN THE 
SANDY VALLEY AREA...SO THE FLASH FLOOD WARNING WILL BE ALLOWED TO 
EXPIRE. A TRAINED SPOTTER REPORTED THAT ROADS WERE FLOODED IN SANDY 
VALLEY BETWEEN 1010 AM AND 1110 AM PDT.

ADDITIONAL HEAVY RAIN IS POSSIBLE DURING THE DAY...AND A FLASH FLOOD 
WATCH REMAINS IN EFFECT.

LAT...LON 3596 11599 3596 11552 3560 11555 3561 11590

$$

MORGAN

Flash Flood Warnings in California, 2012Flash Flood Warnings in Nevada, 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.