Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 7, NWS Reno, NV

July 11, 2001Lyon County, Storey County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 11, 2001, 4:13 PM PDT for Lyon County, Storey County, Nevada. It was in force for 47 min. 1 report 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, 4:13 PM PDT (23:13 UTC)
Expired
Jul 11, 2001, 5:00 PM PDT
In force
47 min
Issued by
NWS Reno, NV
Area
Whole counties

Counties Lyon County, NV, Storey County, NV

What was reported inside it

TimeReportWhereRemark
Jul 11, 4:51 PM PDTHail 1Dayton, 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 12:00Z, 11.2 hours before the alert went out and 106 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 12:00Z on 2001-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 242 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 12:00Z on 2001-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
242 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1348 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KREV 112315
SVRRNO

NVC019-029-510-120000-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 500 PM PDT

* AT 409 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES SOUTHEAST OF DAYTON...OR ABOUT 16
  MILES SOUTHEAST OF CARSON CITY...MOVING NORTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DAYTON AT 445 PM PDT
  VIRGINIA CITY AT 455 PM PDT

LARGE HAIL AND DAMAGING WIND GUSTS ARE 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.

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

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, 1 hour 28 minutes earlier.

Area forecast discussion, Jul 11, 2:45 PM PDT, 1 hour 28 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 10, 6:45 PM PDTFlash Flood WarningREVLyon45 min
Jul 10, 7:35 PM PDTFlash Flood WarningREVDouglas, Lyon40 min
Jul 11, 4:47 PM PDTSevere Thunderstorm WarningREVChurchill, Lyon43 min
Jul 11, 4:50 PM PDTSevere Thunderstorm WarningREVWashoe40 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.