Alert archive / California / Flash Flood Warnings in 2012

Flash Flood Warning 167, NWS Las Vegas, NV

August 22, 2012Inyo County, California

NWS Las Vegas, NV issued this flash flood warning at Aug 22, 2012, 5:25 PM PDT for Inyo County, California. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 22, 2012, 5:25 PM PDT (00:25 UTC)
Expired
Aug 22, 2012, 7:30 PM PDT
In force
2 hr
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Flood severity
None

County Inyo County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 00:00Z, 0.4 hours before the alert went out and 103 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 00:00Z on 2012-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2012-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
7 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-117 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

690 
WGUS55 KVEF 230025
FFWVEF
CAC027-230230-
/O.NEW.KVEF.FF.W.0167.120823T0025Z-120823T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA...

* UNTIL 730 PM PDT.

* AT 519 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS WITH HEAVY RAIN BETWEEN BADWATER ROAD AND HIGHWAY 
  127...OR 18 MILES WEST OF SHOSHONE. THESE STORMS COULD CAUSE 
  FLOODING OF BADWATER ROAD...ESPECIALLY NEAR AND JUST EAST OF 
  JUBILEE PASS.

* LOCATIONS IMPACTED INCLUDE...
  BADWATER ROAD.

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 3617 11695 3618 11627 3592 11616 3585 11676

$$

MORGAN
2 follow-up statements
974 
WGUS75 KVEF 230113
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
613 PM PDT WED AUG 22 2012

CAC027-230230-
/O.CON.KVEF.FF.W.0167.000000T0000Z-120823T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
613 PM PDT WED AUG 22 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM PDT FOR
SOUTHEASTERN INYO COUNTY...

AT 610 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS OVER BADWATER ROAD...MAINLY FROM BADWATER TO 
JUBILEE PASS TO HIGHWAY 127. RAIN WILL CONTINUE IN THIS AREA THROUGH 
7 PM...POSSIBLY RESULTING IN FLOODING OF BADWATER ROAD.

LOCATIONS IMPACTED INCLUDE...
BADWATER ROAD.

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 3617 11695 3618 11627 3592 11616 3585 11676

$$

MORGAN
933 
WGUS75 KVEF 230228
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
728 PM PDT WED AUG 22 2012

CAC027-230232-
/O.EXP.KVEF.FF.W.0167.000000T0000Z-120823T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
728 PM PDT WED AUG 22 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 730 PM PDT FOR SOUTHEASTERN
INYO COUNTY...

THUNDERSTORMS HAVE MOVED OUT OF THE AREA AND THE WARNING WILL BE 
ALLOWED TO EXPIRE ON TIME. TRAVELERS ALONG STATE ROUTE 127 BETWEEN 
DEATH VALLEY JUNCTION AND SHOSHONE SHOULD REMAIN ALERT FOR STANDING 
OR FLOWING WATER ACROSS LOW LYING AREAS OF THE HIGHWAY.

LAT...LON 3617 11695 3618 11627 3592 11616 3585 11676

$$

JS

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 22, 7:29 PM PDTFlash Flood WarningVEFSan Bernardino111 min

Nearby

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

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.