Alert archive / Nevada / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 7, NWS Elko, NV

July 29, 1997Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 29, 1997, 1:47 PM PDT for Elko County, Nevada. It was in force for 58 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 29, 1997, 1:47 PM PDT (20:47 UTC)
Expired: Jul 29, 1997, 2:45 PM PDT
In force: 58 min
Issued by: NWS Elko, NV
Area: Whole counties

County Elko County, NV

The radar

The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 20:51 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

Elko, NV (KLKN), launched 12:00Z, 8.8 hours before the alert went out and 102 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: 115 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1429 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 13 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.

210 
WUUS1 KEKO 292051 RRA
SVREKO
NVC007-292145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
147 PM PDT TUE JUL 29 1997
 
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST NEVADA
 
   ...CENTRAL ELKO COUNTY
 
AT 147 PM SPOTTERS AND RADAR INDICATED A SEVERE THUNDERSTORM OVER
EAST ELKO MOVING NORTHEAST AT 25 MPH. THIS STORM WILL MOVE ACROSS
OSINO BY 215 PM AND RYNDON BY 230 PM..
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH, DESTRUCTIVE HAIL, DEADLY LIGHTNING, AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&

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 Elko, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 9:05 AM PDT, 4 hours 42 minutes earlier.

Area forecast discussion, Jul 29, 9:05 AM PDT, 4 hours 42 minutes before

NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
905 AM PDT TUE JUL 29 1997

UPDATES NEEDED THIS AM FOR REMOVAL OF OVERNIGHT PCPN IN ZNS 6-7.
KLRX/SAT IMAGERY SHOWING LAST OF OVERNIGHT PCPN NOW EXITING STATE
TO NORTH WITH MAINLY SUNNY SKIES TO THE SOUTH. WILL UPDATE ZONES
TO REFLECT THIS. AS FOR THIS AFTERNOON...WV IMAGERY SHOWING
MOISTURE TRAIN NOW OVER UT WITH THE BACK EDGE BEGINNING TO MOVE
BACK WEST TOWARD ERN BORDER. SECONDLY WK UPR VORT APPARENT OVER
SRN CA DESERTS MOVING NORTH. LKN SNDG DOES SHOW PLENTY OF MSTR
AVAILABLE FOR AFT TSRA AND PW AT .92 (SHARP). WILL WORD ALL NRN
ZONES AS BECOMING PTLY CLDY AND KEEP SCT POPS FOR THE NORTH AND
ISOLD FOR THE SRN ZONES. WILL NEED TO UP MAXES SOME OVER ZN6 WITH
CLRG SKIES. A QUIK LUK AT 12Z ETA INDICATES CURRENT FCST OVERALL
ON TRACK AND WILL LOOK AT OTHER MDL DATA FOR ANY FURTHER UPDATES
TO LATER ZONES.
WMC332    EKO330    ELY110
DUDLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 1:47 PM PDT	Flash Flood Warning	LKN	Elko	58 min
Jul 29, 3:01 PM PDT	Severe Thunderstorm Warning	LKN	Lander	59 min
Jul 29, 3:05 PM PDT	Severe Thunderstorm Warning	LKN	Lander	55 min
Jul 29, 3:19 PM PDT	Severe Thunderstorm Warning	LKN	Eureka	56 min

Nearby

Severe Thunderstorm Warnings in Nevada, 1997 Every severe thunderstorm warning in 1997

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.