Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 30, NWS Elko, NV

September 1, 2003White Pine County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Sep 1, 2003, 3:37 PM PDT for White Pine County, Nevada. It was in force for 53 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
Sep 1, 2003, 3:37 PM PDT (22:37 UTC)
Expired
Sep 1, 2003, 4:30 PM PDT
In force
53 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County White Pine 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 1, 1:25 PM PDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.6 hours before the alert went out and 159 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 2003-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
29 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
77 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 012237
SVRLKN
NVC033-012330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
333 PM PDT MON SEP 1 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WHITE PINE COUNTY IN NEVADA

* UNTIL 430 PM PDT

* AT 333 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM OVER CENTRAL WHITE PINE COUNTY...ABOUT 18      
  MILES NORTHWEST OF RUTH...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  20 MILES NORTH OF MCGILL BY 415 PM PDT
  20 MILES SOUTH OF SCHELLBOURNE BY 420 PM PDT

HAIL UP TO ONE INCH IN DIAMETER...INTENSE RAIN...AND WIND GUSTS TO
70 MPH ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL 
SHELTER UNTIL THE STORM PASSES.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM PDT MONDAY
EVENING FOR NEVADA.

LAT...LON 3954 11532 3937 11525 3953 11436 3979 11447

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 Sep 1, 2:48 PM PDT, 49 minutes earlier.

Area forecast discussion, Sep 1, 2:48 PM PDT, 49 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
248 PM PDT MON SEP 1 2003

.SYNOPSIS...LOW PRESSURE WILL MOVE ACROSS NORTHERN NEVADA TONIGHT...
BRINGING SHOWERS AND THUNDERSTORMS TO NORTHEAST NEVADA THIS EVENING.
WEAK HIGH PRESSURE WILL PRODUCE DRY WEATHER TUESDAY AND WEDNESDAY...
BEFORE MOISTURE FROM THE SOUTHWEST MOVES ACROSS THE REGION THURSDAY
AND FRIDAY YIELDING A CHANCE OF SHOWERS AND THUNDERSTORMS. SATURDAY
AND SUNDAY WILL BE DRY...AS HIGH PRESSURE BUILDS IN FROM THE WEST.

.SHORT TERM...AN UPPER LOW MOVING SLOWLY EASTWARD ACROSS NORTH-
CENTRAL NV THIS AFTERNOON...THE ASSOCIATED H3 JET MOVING INTO EAST
CENTRAL NV AND PW VALUES RANGING FROM NEAR 0.60 TO 1.00 INCHES WILL
PROVIDE THE INGREDIENTS NECESSARY FOR THUNDERSTORM DEVELOPMENT
ACROSS THE CWA THIS AFTERNOON INTO EARLY EVENING. STEEPER LAPSE
RATES UNDER THE UPPER LOW AND LF QUAD FORCING FROM THE H3 JET WILL
LIKELY CREATE THE MOST FAVORABLE ENVIRONMENTS FOR SEVERE STORM
DEVELOPMENT ACROSS SOUTHERN LANDER...SOUTHERN EUREKA...WHITE PINE
AND SOUTHERN ELKO COUNTIES. SPC HAS ISSUED A SEVERE THUNDERSTORM
WATCH FOR ALL OF THE CWA..EXCEPT WESTERN HUMBOLDT COUNTY UNTIL 7 PM
PDT WITH SOME OF THESE FACTORS IN MIND. META SHOWS LIFTED INDICES
REMAINING NEAR TO SLIGHTLY BELOW ZERO AFTER MIDNIGHT ACROSS WHITE
PINE AND EASTERN ELKO COUNTIES...WHERE ISOLATED SHOWERS AND
THUNDERSTORMS WILL BE INCLUDED FOR THE ENTIRE TONIGHT PERIOD. UPPER
HIGH BUILDS ACROSS THE CWA TUESDAY AND WEDNESDAY WITH HIGH
TEMPERATURES EXPECTED TO BE 3 TO 6 F ABOVE NORMAL. GFS AND META
SHOWING SOME LINGERING H7/H5 MOISTURE AND LIFTED INDICES NEAR ZERO
TUESDAY AFTERNOON AND EVENING IN WHITE PINE AND EXTREME EASTERN
ELKO COUNTY. WILL KEEP SLIGHT CHANCES WORDING FOR AFT/EVE SHOWERS
AND THUNDERSTORMS IN THESE AREAS TUESDAY.

.LONG TERM...RIDGE ACROSS THE GREAT BASIN CIRCULATES MOISTURE INTO
WESTERN NV WEDNESDAY AND THEN EASTWARD WEDNESDAY NIGHT AND
THURSDAY. GFS SHOWS PWS RISING TO BETWEEN 0.75 AND 1.15 INCHES BY
THURSDAY. INTRODUCED SLIGHT CHANCE POPS FOR SHOWERS AND
THUNDERSTORMS ACROSS FAR WESTERN CWA WEDNESDAY NIGHT AND ACROSS ALL
OF CWA THURSDAY. LIMITED DYNAMICS WITH THIS SURGE OF MOISTURE...BUT
DAYTIME HEATING SHOULD BE SUFFICIENT TO SET OFF CONVECTIVE
DEVELOPMENT THURSDAY. GFS SHOWING A WEAK TROUGH APPROACHING THE
CENTRAL CA COAST FRIDAY WITH THE CWA UNDER A SLIGHTLY DIFFLUENT
REGION TO THE EAST OF THE TROUGH AXIS. WILL INCLUDE SLIGHT CHANCES
FOR NOW FRIDAY...THOUGH WITH SOME DYNAMICS AHEAD OF THE CA TROUGH...
CONVECTION COULD BE GREATER IN COVERAGE. GFS AND GFS ENSEMBLES
SHOWING THE TROUGH IN THE GULF OF AK PRESSING SOUTHWARD INTO THE
PAC NW BY SUNDAY AND INTO THE NORTHERN GREAT BASIN MONDAY. SATURDAY
AND SUNDAY LOOK DRY WITH A WEST FLOW ALOFT AHEAD OF THIS SYSTEM.
TROUGH AXIS MOVES INTO WESTERN NV MONDAY WITH A STRONG COLD FRONT
PROGGED TO CROSS EASTERN NV BY MONDAY EVENING. ADJUSTED TEMPERATURES
WELL DOWNWARD MONDAY WITH HIGHS 8 TO 14 F BELOW NORMAL AND INCLUDED
SLIGHT CHANCES FOR SHOWERS AND THUNDERSTORMS ACROSS THE NORTHERN HALF
OF THE CWA. WILL WATCH MODELS FOR CONTINUITY WITH THIS SYSTEM.

.EKO...SEVERE THUNDERSTORM WATCH UNTIL 7 PM PDT NVZ030>37.

SMITH
Hazardous weather outlook, Sep 1, 5:53 AM PDT, 9 hours 44 minutes before
NVZ030>037-021300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
553 AM PDT MON SEP 1 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL
NEVADA

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER SCATTERED
SHOWERS AND THUNDERSTORMS WILL OCCUR.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

COLLINS

In the hours before

Special weather statement, Sep 1, 1:35 PM PDT, 2 hours 2 minutes before
NVZ030>037-020200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
135 PM PDT MON SEP 1 2003

...SEVERE THUNDERSTORM WATCH NUMBER 915 IN EFFECT FOR NORTHERN AND
EAST CENTRAL NEVADA UNTIL 7 PM PDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR NORTHERN AND EAST CENTRAL NEVADA INCLUDING THE FOLLOWING
COUNTIES...

ELKO...LANDER...EUREKA...WHITE PINE...AND EASTERN HUMBOLDT.

THUNDERSTORMS WITH WIND GUSTS TO 70 MPH...HAIL UP TO 2 INCHES IN
DIAMETER...AND HEAVY RAIN CAN BE EXPECTED ACROSS NORTHERN AND EAST
CENTRAL NEVADA UNTIL 7 PM PDT.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS. IF YOU SEE A SEVERE THUNDERSTORM
TAKE SHELTER IMMEDIATELY.

CALL YOUR LOCAL LAW ENFORCEMENT AGENCY TO PASS ON REPORTS OF HEAVY
RAIN...HAIL...OR STRONG DAMAGING WINDS.

ALLEN

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.