Alert archive / Nevada / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 13, NWS Reno, NV

July 21, 2006Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 21, 2006, 8:33 PM PDT for Washoe County, Nevada. It was in force for 42 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 21, 2006, 8:33 PM PDT (03:33 UTC)
Expired
Jul 21, 2006, 9:15 PM PDT
In force
42 min
Issued by
NWS Reno, NV
Area
Counties, with a storm outline in the text

County Washoe County, NV

The radar

The Reno radar (KRGX), 29 km from the middle of the area, began a volume at 03:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 21, 8:41 PM PDTTSTM WND GST 505 Nw Lockwood, NVWIND GUST TO 50 MPH REPORTED
Jul 21, 8:41 PM PDTHAIL 0.88Spanish Springs, NVNICKEL SIZE HAIL REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 3.6 hours before the alert went out and 134 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 2006-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 00:00Z on 2006-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
50 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
2900 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
34 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 220334
SVRREV
NVC031-220415-
/O.NEW.KREV.SV.W.0013.060722T0333Z-060722T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
833 PM PDT FRI JUL 21 2006

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL WASHOE COUNTY IN WESTERN NEVADA

* UNTIL 915 PM PDT

* AT 831 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED     
  BETWEEN SUN VALLEY AND SPANISH SPRINGS...OR ABOUT 7 MILES          
  NORTHEAST OF RENO...AND MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPANISH SPRINGS BY 840 PM PDT

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3955 11984 3952 11957 3982 11961 3974 11995

$$
JORDAN
2 follow-up statements
000 
WWUS55 KREV 220357
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
857 PM PDT FRI JUL 21 2006

NVC031-220415-
/O.CON.KREV.SV.W.0013.000000T0000Z-060722T0415Z/
WASHOE NV-
857 PM PDT FRI JUL 21 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM PDT
FOR SOUTH CENTRAL WASHOE COUNTY...

AT 853 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR STEAD...OR ABOUT NEAR COLD SPRINGS VALLEY...MOVING
NORTHWEST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  COLD SPRINGS VALLEY BY 905 PM PDT

LAT...LON 3956 11998 3952 11957 3982 11961 3986 11999

$$

JORDAN
000 
WWUS55 KREV 220411
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
911 PM PDT FRI JUL 21 2006

NVC031-220421-
/O.EXP.KREV.SV.W.0013.000000T0000Z-060722T0415Z/
WASHOE NV-
911 PM PDT FRI JUL 21 2006

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WASHOE COUNTY
EXPIRES AT 915 PM PDT...

THE THUNDERSTORM THAT PROMPTED THE WARNING CONTINUES TO WEAKEN. ONLY 
MODERATE WINDS TO 30 MPH ARE EXPECTED UNTIL 10 PM IN FROM SPANISH 
SPRINGS WEST TO STEAD.

LAT...LON 3956 11998 3952 11957 3982 11961 3986 11999

$$
JHW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 8:17 PM PDTFlash Flood WarningREVStorey, Washoe88 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.