Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 14, NWS Reno, NV

September 12, 2001Lyon County, Storey County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Sep 12, 2001, 6:20 PM PDT for Lyon County, Storey County, Washoe County, Nevada. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 12, 2001, 6:20 PM PDT (01:20 UTC)
Expired
Sep 12, 2001, 6:45 PM PDT
In force
25 min
Issued by
NWS Reno, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Lyon County, NV, Storey County, NV, Washoe County, NV

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 1.3 hours before the alert went out and 138 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 2001-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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, Reno, NV at 00:00Z on 2001-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
19 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
2581 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
36 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.

381 
WUUS55 KREV 130123
SVRRNO
NVC019-029-031-510-130145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
620 PM PDT WED SEP 12 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CARSON CITY IN WESTERN NEVADA
  THIS INCLUDES THE CITY OF CARSON CITY
  EXTREME WEST CENTRAL LYON COUNTY IN WESTERN NEVADA
  SOUTHWESTERN STOREY COUNTY IN WESTERN NEVADA
  THIS INCLUDES THE CITY OF VIRGINIA CITY
  EXTREME SOUTH CENTRAL WASHOE COUNTY IN WESTERN NEVADA

* UNTIL 645 PM PDT

* AT 609 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CARSON CITY...OR ABOUT 3 MILES EAST OF   
CARSON CITY...MOVING NORTH AT 10-15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES WEST OF VIRGINIA CITY AT 625 PM PDT
  OVER NEW WASHOE CITY AT 630 PM PDT

LARGE HAIL TO ONE INCH IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF 
YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE 
TO A SUBSTANTIAL SHELTER.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3910 11979 3910 11958 3936 11960 3934 11989

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Reno, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 12, 3:30 PM PDT, 2 hours 50 minutes earlier.

Area forecast discussion, Sep 12, 3:30 PM PDT, 2 hours 50 minutes before
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
330 PM PDT WED SEP 12 2001

UPPER LEVEL LOW AND VORT MAX MOVG ACROSS CENTRAL CA THIS AFTN
WITH SHOWERS AND TSTMS OVER MUCH OF SIERRA AND WRN NV N OF
HIGHWAY 50. CELLS OVER PERSHING AND CHURCHILL COUNTIES MOVG
AROUND 30 MPH FROM S WITH ALOT OF SHEAR INDUCED MESOS AND CIRCS
DETECTED WITH TSTMS. CELLS OVER SIERRA FM TAHOE N MOVG FM S AT
10-15 MPH BEING CLOSER TO UPPER LOW CIRCULATION. MM5 SHOWING
QPF OVER NRN WASHOE AND LASSEN OVERNIGHT AND INTO THURSDAY.
WILL HOLD ONTO CHC POPS OVER CAZ071 AND NVZ005 IN NRN CWA FOR
THURSDAY. A LITTLE DRIER AND MORE STABLE FRIDAY THEN DESTABLIZG
AGAIN SATURDAY WITH APPROACHING S/WV FM OFF NRN CA CST. WILL
MENTION SLGT CHC OF AFTN SHWRS/TSTMS IN FAR NRN CWA SAT AND SUN
THEN DRY MON-WED UNDER ZONAL FLOW PATTERN. TEMPS REMAINING NEAR
SEASONAL NORMALS THRU PD. CYLKE

.REV...NONE.

Nearby

Severe Thunderstorm Warnings in Nevada, 2001Every severe thunderstorm warning in 2001

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.