Alert archive / Nevada / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 22, NWS Reno, NV

July 18, 2002Mineral County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Jul 18, 2002, 12:10 PM PDT for Mineral County, Nevada. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 18, 2002, 12:10 PM PDT (19:10 UTC)
Expired: Jul 18, 2002, 12:45 PM PDT
In force: 35 min
Issued by: NWS Reno, NV
Area: Whole counties

County Mineral County, NV

The radar

The Reno radar (KRGX), 162 km from the middle of the area, began a volume at 19:14 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.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 7.2 hours before the alert went out and 116 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: 5 J/kg
Mixed-layer CIN: -261 J/kg
Mixed-layer LCL: 2165 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 25 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.

461 
WUUS55 KREV 181910
SVRREV
NVC021-181945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
1207 PM PDT THU JUL 18 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MINERAL COUNTY IN WESTERN NEVADA

* UNTIL 1245 PM PDT

* AT 1155 AM PDT...SPOTTERS REPORTED 1 INCH DIAMETER HAIL IN 
  HAWTHORNE. THE STORMS PRODUCING THIS HAIL EXTENDED FROM LUNING
  TO HAWTHORNE ALONG HIGHWAY 95...MOVING NORTH AT 20 MPH ALONG 
  HIGHWAY 95 NORTH OF HAWTHORNE TO WALKER LAKE AND SCHURZ.

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 12:20 PM PDT	Severe Thunderstorm Warning	REV	Washoe	25 min
Jul 18, 12:38 PM PDT	Flash Flood Warning	REV	Washoe	37 min
Jul 18, 12:59 PM PDT	Flash Flood Warning	REV	Washoe	61 min
Jul 18, 1:10 PM PDT	Flash Flood Warning	REV	Washoe	80 min
Jul 18, 1:43 PM PDT	Flash Flood Warning	REV	Douglas	92 min
Jul 18, 3:19 PM PDT	Flash Flood Warning	REV	Churchill, Lyon, Pershing, Storey, Washoe	101 min
Jul 18, 3:20 PM PDT	Severe Thunderstorm Warning	REV	Pershing	25 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2002 Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.