Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 30, NWS Elko, NV

August 13, 2001Eureka County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 13, 2001, 2:55 PM PDT for Eureka County, Nevada. It was in force for 65 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
Aug 13, 2001, 2:55 PM PDT (21:55 UTC)
Expired
Aug 13, 2001, 4:00 PM PDT
In force
65 min
Issued by
NWS Elko, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Eureka County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.9 hours before the alert went out and 177 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 2001-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2001-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2871 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
44 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.

972 
WUUS55 KLKN 132156
SVREKO
NVC011-132300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
255 PM PDT MON AUG 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL EUREKA COUNTY IN NEVADA
  THIS INCLUDES THE LOCATIONS OF...DIAMOND VALLEY...GARDEN PASS

* UNTIL 400 PM PDT

* AT 250 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHEAST OF GARDEN PASS...MOVING
  SOUTHWEST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER GARDEN PASS AT 310 PM PDT
  8 MILES NORTHWEST OF DIAMOND VALLEY AT 325 PM PDT

HAIL...INTENSE PROLONGED RAIN WITH POSSIBLE FLOODING AND STRONG 
DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A 
SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

VERY LARGE HAIL IS 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 SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3965 11642 3971 11599 3997 11585 4019 11611

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 Aug 13, 2:00 PM PDT, 55 minutes earlier.

Area forecast discussion, Aug 13, 2:00 PM PDT, 55 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
200 PM PDT MON AUG 13 2001

SYNOPSIS...MONSOON MOISTURE CURRENTLY OVER THE REGION WILL CONTINUE
TO BRING A THREAT OF SHOWERS AND THUNDERSTORMS THROUGH TUESDAY.
HIGH PRESSURE WILL BRING SOUTHWEST FLOW TO THE GREAT BASIN ON
WEDNESDAY BRINGING DRY WEATHER AND NEAR NORMAL TEMPERATURES TO
NEVADA THROUGH THE WEEKEND.

SHORT TERM...WV IMAGERY SHOWING UPPER DISTURBANCE IN EASTERN PACIFIC
WHICH WILL MOVE ONTO NORTHERN CA COAST THIS AFTERNOON AND INTO NW
NV IN THE EARLY EVENING. HAVE JET SUPPORT WITH THIS FEATURE AND AM
CONCERNED MODELS MAY BE UNDERESTIMATING DYNAMICS WITH THIS FEATURE.
VORT FEATURE HAS SHEARED OUT SLIGHTLY BUT WILL KEEP POPS ACROSS MOST
OF CWFA TONIGHT WITH INSTABILITY AND MOISTURE ALREADY IN PLACE.
CURRENTLY IN CWFA ARE SEEING CLOUDS BUILD ACROSS EAST CENTRAL NV WITH
LIGHTLY ALONG SOUTHERN EDGE OF CWFA. CONVECTION TAKING LONGER TO FIRE
TODAY WITH SLIGHT CAP AT 650MB...BUT GIVEN WARMING TODAY EXPECT
ACTIVITY TO BLOSSOM SOON. SAT IMAGERY SHOWING DRIER MID-LEVEL AIR
OVER CWFA...BUT BELIEVE MODELS BEING TOO AGGRESSIVE IN DRYING OUT
REGION GIVEN HOW WEAK SW FLOW IS. UPPER HIGH BEGINNING TO ELONGATE
INTO EASTERN PACIFIC WHICH WILL END MONSOON FETCH AND BRING SW FLOW
TO THE GREAT BASIN. BUT WITH FLOW SO WEEK WILL KEEP ISOLATED POPS
ACROSS EASTERN HALF OF ZONES TOMORROW GIVEN INSTABILITY. MODELS
CONTINUE TO SHOW DECENT INSTABILITY ACROSS FAR EAST-SOUTHEAST PORTION
OF CWFA WEDNESDAY AND WITH LACK OF SPEED IN SW FLOW TO SCOUR THINGS
OUT EXPECT ENOUGH MOISTURE TO REMAIN OVER FAR EAST ON WEDNESDAY TO
WARRANT ISOLATED CHANCE. LOW LEVEL TEMPS SLOWLY WARM OVER NEXT 48
HOURS AND WILL WARM UP TEMPS SLIGHTLY OVER NEXT COUPLE DAYS.

EXTENDED...MODELS IN GOOD AGREEMENT IN KEEPING UPPER HIGH OVER
SOUTHWEST WITH SLOW EVOLUTION INTO MORE CLASSIC UPPER HIGH SOUTH
OF FOUR CORNERS LATE SUNDAY. MEDIUM RANGE MODELS ALSO BRINGING UPPER
LOW...NOW NEAR 140W AND 50N...TOWARDS MAINLAND OVER THE WEEKEND.
DEPENDING ON DEPTH OF TROUGH AND POSITION OF UPPER HIGH WILL NEED TO
WATCH LOW LEVEL FLOW AND SUBSEQUENT MOISTURE FETCH TO NEVADA ON
SUNDAY AND MONDAY. WILL KEEP ALL OF EXTENDED DRY FOR NOW.  FEHRN

.EKO...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 3:30 PM PDTFlash Flood WarningLKNElko, White Pine60 min
Aug 13, 4:15 PM PDTSevere Thunderstorm WarningLKNWhite Pine60 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; the sounding from the Mesonet's radiosonde archive.