Alert archive / Nevada / Flash Flood Warnings in 1989

Flash Flood Warning 3, NWS Reno, NV

August 9, 1989Mineral County, Nevada

NWS Reno, NV issued this flash flood warning at Aug 9, 1989, 8:09 PM PDT for Mineral County, Nevada. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1989, 8:09 PM PDT (03:09 UTC)
Expired
Aug 9, 1989, 9:15 PM PDT
In force
66 min
Issued by
NWS Reno, NV
Area
Whole counties

County Mineral County, NV

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Winnemucca Muni, NV (KWMC), launched 00:00Z, 3.2 hours before the alert went out and 268 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, Winnemucca Muni, NV at 00:00Z on 1989-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 356 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Winnemucca Muni, NV at 00:00Z on 1989-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.19395878Sfc1 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
356 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2414 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRNO 100310
FFWRNO
NVC021-100415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
809 PM PDT WED AUG 9 1989
 
THE NATIONAL WEATHER SERVICE IN RENO HAS EXTENDED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 PM PDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL NEVADA
          ...MINERAL
 
THUNDERSTORMS CONTINUED TO MOVE ACROSS MINERAL COUNTY AT 815 PM. THE
THUNDERSTORMS SOUTH OF HAWTHORNE HAVE WEAKENED SOME BUT THE LAST
REPORT FROM THE MINERAL COUNTY SHERIFFS DEPARTMENT HAD WATER RUNNING
OVER HIGHWAY 95...40 MILES SOUTH OF HAWTHORNE. NEW THUNDERSTORMS HAVE
DEVELOPED SINCE 730 PM IN THE WALKER LAKE AREA...AN ESPECIALLY FLASH
FLOOD PRONE AREA.
 
MOTORISTS ARE AMONG THE LEADING FATALITIES IN FLASH FLOODS. WASHOUTS
AND FLOODED ROADWAYS CAN PUT YOU SUDDENLY INTO LIFE THREATENING
SITUATIONS. DO NOT ATTEMPT TO CROSS BRIDGES..DIPS..OR LOW SPOTS IF
WATER COVERS THE ROADWAY. IT MAY NOT BE INTACT UNDER THE WATER.
ABANDON YOUR CAR IMMEDIATELY IF IT BECOMES STUCK OR STALLS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 5:45 PM PDTFlash Flood WarningREVMineral2 hr
Aug 9, 6:08 PM PDTFlash Flood WarningREVMineral2 hr
Aug 9, 8:34 PM PDTFlash Flood WarningREVChurchill86 min

Nearby

Flash Flood Warnings in Nevada, 1989Every flash flood warning in 1989

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.