Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 10, NWS Elko, NV

July 24, 2003Eureka County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 24, 2003, 2:37 PM PDT for Eureka County, Nevada. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 24, 2003, 2:37 PM PDT (21:37 UTC)
Expired
Jul 24, 2003, 3:00 PM PDT
In force
23 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County Eureka County, NV

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 9.6 hours before the alert went out and 188 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, Elko, NV at 12:00Z on 2003-07-24Temperature 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, Elko, NV at 12:00Z on 2003-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 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
2330 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-7 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 KLKN 242137
SVRLKN
NVC011-242200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
237 PM PDT THU JUL 24 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN EUREKA COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...EMIGRANT PASS...DUNPHY...BEOWAWE

* UNTIL 300 PM PDT

* AT 232 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM OVER BEOWAWE...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  5 MILES NORTHWEST OF EMIGRANT PASS AT 255 PM PDT

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

LAT...LON 4063 11660 4051 11644 4070 11616 4091 11628

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 24, 2:30 PM PDT, 7 minutes earlier.

Area forecast discussion, Jul 24, 2:30 PM PDT, 7 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
230 PM PDT THU JUL 24 2003

.SYNOPSIS...HIGH PRESSURE WILL CONTINUE TO BRING WARM WEATHER TO THE
GREAT BASIN. MOISTURE ACROSS THE REGION WILL CONTINUE TO BRING A RISK
OF SHOWERS AND THUNDERSTORMS TO NEVADA INTO NEXT WEEK.

.DISCUSSION...ACTIVE WX DAY GOING WITH KLRX LOTS OF CONVECTION
ACROSS THE CWFA ATTM. STORMS ARE ROBUST BUT HAVE NOT REACHED SEVERE
LEVELS YET. ACTIVITY WILL CONTINUE ACROSS SOUTHERN ZONES AND ELKO
CTY THROUGH THE EVENING WITH FOCUS SHIFTING TO THE I-80 CORRIDOR
LATE THIS AFTERNOON.

BIG ISSUE OVER NEXT FEW DAYS WILL BE JET INFLUENCE AS UPPER JET
ROTATES THROUGH WRN NV INTO SRN ID WITH RR QUAD INFLUENCE AIDING
DEVELOPMENT OVER NEXT FEW DAYS. HAVE STRONG UPPER DIVERGENCE OVER THE
REGION AND AM GOING WITH SOLID SCT WORDING THROUGH MOST OF THE
WEEKEND AS ISSUE IS COVERAGE INSTEAD OF UNCERTAINTY. WITH STRONG PW
VALUES EXPECT GOOD QPF AMTS GIVEN POTENTIAL FOR SLOW STORM MOVEMENT
PLUS TRAINING POTENTIAL NEXT FEW DAYS. WILL ALSO NEED TO WATCH FLOW
REGIME AS SHEAR PROFILE MAY BECOME FAVORABLE FOR BETTER DEVELOPMENT
TOMORROW AS WELL. DO NOT EXPECT TEMPS TO REACH RECORD LEVELS LIKE
THEY HAVE EARLIER IN THE WEEK AS CONVECTIVE INITIATION SHOULD BE
AROUND NOON. THOUGH STILL EXPECT VALUES TO BE ABOVE GUIDANCE WHICH
HAVE BEEN TOO COOL RECENTLY. ALL THIS TIME UPPER HIGH REMAINS OVER
COLORADO WITH WEAK VORT FEATURES CONTINUE TO ROTATE AROUND THIS
HIGH. SOUTHERLY FLOW WILL KEEP MOISTURE OVER THE REGION WITH
ATMOSPHERE REMAINING UNSTABLE WITH NEG LIS ACROSS ENTIRE CWFA FOR
MOST OF THE WEEKEND.

.EXTENDED...UPPER HIGH BUILDS BACK INTO NE NV WITH WEAK FLOW
RETURNING TO THE REGION. WILL SEE TEMPS ONCE AGAIN APPROACH AND
EXCEED 100 IN WARMER VALLEYS WITH CONTINUED THREAT OF SHOWERS AND
THUNDERSTORMS AS MOISTURE TRAPPED UNDER THE HIGH WILL REMAIN FOR
SOME TIME.

.EKO...NONE.

FEHRN
Hazardous weather outlook, Jul 24, 2:30 PM PDT, 7 minutes before
NVZ030>037-251200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
230 PM PDT THU JUL 24 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL
NEVADA

.DAY ONE...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. SCATTERED
SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE REGION THROUGH
THIS EVENING. SOME STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL WITH
GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. SCATTERED
SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE REGION THROUGH
THE PERIOD. SOME OF THE STRONGER STORMS WILL PRODUCE LOCALLY HEAVY
RAINFALL WITH GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CONTACT THEIR LOCAL WEATHER SERVICE
OFFICE WITH ANY REPORTS OF SIGNIFICANT WEATHER.

FEHRN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 3:29 PM PDTFlash Flood WarningLKNElko, Eureka61 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2003Every severe thunderstorm warning in 2003

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.