Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 9, NWS Reno, NV

July 11, 2001Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 11, 2001, 4:50 PM PDT for Washoe County, Nevada. It was in force for 40 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: Jul 11, 2001, 4:50 PM PDT (23:50 UTC)
Expired: Jul 11, 2001, 5:30 PM PDT
In force: 40 min
Issued by: NWS Reno, NV
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Washoe County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 11.8 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 112352
SVRRNO

NVC031-120030-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL WASHOE COUNTY IN WESTERN NEVADA
  THIS INCLUDES PYRAMID LAKE

* UNTIL 530 PM PDT

* AT 444 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF SUTCLIFFE...OR ABOUT 17
  MILES SOUTH OF PYRAMID LAKE...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUTCLIFFE AT 5 PM PDT
  PYRAMID LAKE AT 530 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 DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SER"VICE FORECAST
OFFICE.

LAT...LON 3982 11982 3974 11961 4014 11933 4024 11963

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:45 PM PDT	Flash Flood Warning	REV	Lyon	45 min
Jul 10, 7:35 PM PDT	Flash Flood Warning	REV	Douglas, Lyon	40 min
Jul 11, 4:13 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Storey	47 min
Jul 11, 4:47 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon	43 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2001 Every 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.