Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 10, NWS Reno, NV

July 11, 2001Storey County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 11, 2001, 5:00 PM PDT for Storey County, Washoe County, Nevada. It was in force for 60 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 11, 2001, 5:00 PM PDT (00:00 UTC)
Expired
Jul 11, 2001, 6:00 PM PDT
In force
60 min
Issued by
NWS Reno, NV
Area
Whole counties

Counties Storey County, NV, Washoe County, NV

What was reported inside it

TimeReportWhereRemark
Jul 11, 5:45 PM PDTHail 1.1Sparks, NV
Jul 11, 6:00 PM PDTHail 1.5Sparks, NV
Jul 11, 6:10 PM PDTHail 1Sparks, NV

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 0.0 hours before the alert went out and 131 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 2001-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 638 joules per kilogram.LCLEL10008507005003002001001 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 2001-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
638 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
2714 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
82 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.

000 
WUUS55 KREV 120003
SVRRNO

NVC029-031-120100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
500 PM PDT WED JUL 11 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN STOREY COUNTY IN WESTERN NEVADA
  THIS INCLUDES THE CITY OF VIRGINIA CITY
  SOUTH CENTRAL WASHOE COUNTY IN WESTERN NEVADA

* UNTIL 600 PM PDT

* AT 454 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER VIRGINIA CITY...MOVING NORTH AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LOCKWOOD AND PATRICK AT 520 PM PDT
  SPARKS AT 530 PM PDT
  SPANISH SPRINGS AT 540 PM PDT

HAIL IN EXCESS OF 1 INCH HAS BEEN REPORTED IN DAYTON WITH THIS STORM.
WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR
IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.

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. VERY HEAVY RAIN AND LOCAL FLOODING WILL ALSO BE POSSIBLE. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3924 11969 3937 11949 3990 11947 3988 11983

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 Jul 11, 2:45 PM PDT, 2 hours 15 minutes earlier.

Area forecast discussion, Jul 11, 2:45 PM PDT, 2 hours 15 minutes before
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
245 PM PDT WED JUL 11 2001

WEAK UPPER LOW JUST OFF CALIFORNIA COAST NEAR EKA HAS KICKED OFF
STRONG THUNDERSTORMS ACROSS NE CALIFORNIA AND EXTREME NW NEVADA.  AS
WEST WIND HAVE KICKED IN OFF THE SIERRA ALSO WATCHING AREA FROM
MINERAL COUNTY INTO THE BASIN AND RANGE FOR THUNDERSTORM DEVELOPMENT
IN SURFACE CONVERGENCE.  OTHERWISE...UPPER RIDGE OVER THE PLAINS
BUILDS BACK INTO THE DESERT SW THROUGH FRIDAY.  MOST AREAS WILL SEE
INCREASING 500MB HEIGHTS AND DRIER SW FLOW ALOFT TOMORROW.  UPPER TROF
REMAINS OVER THE PACIFIC NW AND MODELS BRING A FEATURE INTO NW
CALIFORNIA FRIDAY.  AVN REMAINS UNSTABLE ACROSS THE OREGON/NEVADA
BORDER INTO FRIDAY.  WILL RETAIN A SLIGHT CHANCE OF AFTERNOON
CONVECTION ACROSS NORTHERN WASHOE AND LASSEN COUNTIES BOTH TOMORROW
AND FRIDAY.

THE RIDGE WEAKENS SATURDAY AS AN UPPER LOW MOVES AROUND THE EASTERN
PACIFIC RIDGE INTO BRITISH COLUMBIA.  THIS DROPS INTO THE PACIFIC NW
SUNDAY AND WILL BRING BELOW NORMAL TEMPERATURES AND A SLIGHT CHANCE OF
SHOWERS TO NE CALIFORNIA AND EXTREME NW NEVADA SUNDAY INTO TUESDAY.
MODELS DIVERGE AFTER SUNDAY WITH ECMWF MOVING THE TROF INTO
ALBERTA...MRF/AVN DROPPING IT ALONG THE OREGON COAST AND THE NOGAPS
KEEPING IT RELATIVELY STATIONARY.  HAVE BACKED OFF SOMEWHAT FROM THE
OLD MRF SOLUTION AS FAR AS COOLING BUT CAN NOT DISCOUNT THE CHANCE OF
SHOWERS CNORTHERN AREAS.  MOST OF WESTERN NEVADA WILL BE QUITE PLEASANT
UNDER THIS PATTERN SAVE SOME BREEZY CONDITIONS.  RIDGE APPEARS TO
BUILD BACK INTO THE AREA WEDNESDAY AS TEMPERATURES MODERATE.  SG

.REV...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 5:55 PM PDTSevere Thunderstorm WarningREVWashoe35 min
Jul 11, 6:24 PM PDTSevere Thunderstorm WarningREVPershing36 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.