Alert archive / Nevada / Flash Flood Warnings in 2014

Flash Flood Warning 89, NWS Las Vegas, NV

August 5, 2014Esmeralda County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Aug 5, 2014, 9:27 PM PDT for Esmeralda County, Nevada. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 5, 2014, 9:27 PM PDT (04:27 UTC)
Expired
Aug 5, 2014, 11:30 PM PDT
In force
2 hr
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Flood severity
None

County Esmeralda County, NV

What was reported inside it

TimeReportWhereRemark
Aug 5, 11:27 PM PDTFLASH FLOODNw Tonopah, NVREPORT RELAYED THROUGH SOCIAL MEDIA OF MAIN STREET IN TONOPAH SHUT DOWN FROM FLASH FLOODING AND FLOOD DEBRIS.

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

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 4.5 hours before the alert went out and 199 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, Reno, NV at 00:00Z on 2014-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, Reno, NV at 00:00Z on 2014-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
39 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
29 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.

386 
WGUS55 KVEF 060427
FFWVEF
NVC009-060630-
/O.NEW.KVEF.FF.W.0089.140806T0427Z-140806T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
927 PM PDT TUE AUG 5 2014

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ESMERALDA COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 1130 PM PDT

* AT 924 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM 9 MILES NORTH OF SILVER PEAK...
  OR 20 MILES SOUTHWEST OF TONOPAH...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN ESMERALDA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS MORE DIFFICULT TO DETECT
FLOODED ROADS.

&&

LAT...LON 3801 11717 3784 11717 3743 11776 3762 11800
      3787 11820 3821 11739

$$

BP
2 follow-up statements
678 
WGUS75 KVEF 060527
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1027 PM PDT TUE AUG 5 2014

NVC009-060630-
/O.CON.KVEF.FF.W.0089.000000T0000Z-140806T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ESMERALDA NV-
1027 PM PDT TUE AUG 5 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM PDT FOR
CENTRAL ESMERALDA COUNTY...

AT 1024 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS PRODUCING FLASH FLOODING.  THE 
STORMS WERE LOCATED BETWEEN DYER AND TONOPAH. THE STRONGEST STORM 
WAS NEAR SILVERPEAK. THE STORMS WERE MOVING EAST-NORTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
SILVER PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS MORE DIFFICULT TO DETECT
FLOODED ROADS.

&&

LAT...LON 3801 11717 3784 11717 3743 11776 3762 11800
      3787 11820 3821 11739

$$

BP
427 
WGUS75 KVEF 060623
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1123 PM PDT TUE AUG 5 2014

NVC009-060633-
/O.EXP.KVEF.FF.W.0089.000000T0000Z-140806T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ESMERALDA NV-
1123 PM PDT TUE AUG 5 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 PM PDT FOR CENTRAL
ESMERALDA COUNTY...

THUNDERSTORMS OVER ESMERALDA COUNTY HAVE WEAKENED OR MOVED INTO 
NORTHERN NYE COUNTY. THE FLASH FLOOD WARNING WILL EXPIRE AT 1130 PM 
PDT. 

LAT...LON 3801 11717 3784 11717 3743 11776 3762 11800
      3787 11820 3821 11739

$$

BP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 6:19 PM PDTAreal Flood AdvisoryVEFEsmeralda116 min
Aug 5, 7:34 PM PDTFlash Flood WarningVEFEsmeralda116 min

Nearby

Flash Flood Warnings in Nevada, 2014Every flash flood warning in 2014

Sources

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.