Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 29, NWS Elko, NV

August 22, 2003Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 22, 2003, 5:51 PM PDT for Elko County, Nevada. It was in force for 39 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
Aug 22, 2003, 5:51 PM PDT (00:51 UTC)
Expired
Aug 22, 2003, 6:30 PM PDT
In force
39 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County Elko 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
Aug 22, 12:55 PM PDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Elko, NV (KLKN), launched 00:00Z, 0.9 hours before the alert went out and 118 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 00:00Z on 2003-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 206 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 00:00Z on 2003-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897Sfc1 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
206 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
2065 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KLKN 230051
SVRLKN
NVC007-230130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
545 PM PDT FRI AUG 22 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ELKO COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...RYNDON...AND HALLECK

* UNTIL 630 PM PDT

* AT 540 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS SOUTH OF RYNDON...MOVING NORTHEAST AT 
15 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...RYNDON UNTIL 600 PM...AND BE 
NEAR HALLECK BY 615 PDT.

* THESE THUNDERSTORMS COULD HAVE HALF INCH TO ONE INCH HAIL AND   
HEAVY RAIN CAUSING LOCAL FLOODING.

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 FRIDAY
EVENING FOR NEVADA.

LAT...LON 4085 11575 4072 11558 4089 11530 4112 11561

$$

WHITWORTH

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 22, 2:20 PM PDT, 3 hours 31 minutes earlier.

Area forecast discussion, Aug 22, 2:20 PM PDT, 3 hours 31 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
220 PM PDT FRI AUG 22 2003

.SYNOPSIS...LOW PRESSURE IN CENTRAL CALIFORNIA COMBINES WITH HIGH
PRESSURE IN THE FOUR CORNERS AREA TO GIVE US MOIST SOUTH FLOW OVER
NORTHERN NEVADA. THESE SOUTHERLY WINDS WILL CREATE SHOWERS AND
THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING ACROSS MOST OF
NORTHERN NEVADA...SOME OF THESE THUNDERSTORMS WILL BE SEVERE THROUGH
EARLY THIS EVENING. DRY SOUTHWEST FLOW RETURNS TO NORTHEAST NEVADA
SATURDAY WITH WARMER ACTIVE WEATHER DAY TODAY THROUGH MID WEEK.

.SHORT TERM...CONVECTION REALLY BEGINNING TO KICK OFF. INTERACTION OF
JET AROUND LOW CREATING SEVERE THUNDERSTORMS OVER MOST OF OUR
WESTERN AND SOUTHWESTERN ZONES. AREA DRIES OUT SIGNIFICANTLY
OVERNIGHT AND AREA RETURNS TO DRY AND WARMER CONDITIONS BY
SATURDAY AFTERNOON THROUGH MONDAY.

.EXTENDED..MODELS HINT AT ANOTHER POSSIBLE MONSOON PUSH ON
WEDNESDAY INTO THURSDAY. INTRODUCED SLIGHT CHANCE SHOWERS AND
THUNDERSTORMS FOR OUR SOUTHERN ZONES THEN.

.EKO...NVZ030>037 FLASH FLOOD WATCH TODAY.

CLAYCOMB
Hazardous weather outlook, Aug 22, 5:00 AM PDT, 12 hours 51 minutes before
NVZ030>037-231400-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
500 AM PDT FRI AUG 22 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL
NEVADA

.DAY ONE...

MOISTURE COMBINED WITH STRONG WINDS IN THE UPPER LEVELS OF THE
ATMOSPHERE WILL CREATE FAVORABLE CONDITIONS FOR THUNDERSTORMS CAPABLE
OF PRODUCING HEAVY RAINS...STRONG WINDS...AND LARGE HAIL. A FLASH
FLOOD WATCH CONTINUES FOR NORTHEAST NEVADA TODAY. REFER TO AWIPS ID
RNOFFALKN...OR WMO HEADER WGUS65 KLKN FOR DETAILS.

.DAYS TWO THROUGH SEVEN...

MOISTURE WILL DEPART NORTHEAST NEVADA SATURDAY...WITH THE THREAT OF
SHOWERS AND THUNDERSTORMS DIMINISHING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ALLEN

In the hours before

Special weather statement, Aug 22, 1:15 PM PDT, 4 hours 36 minutes before
NVZ030>034-036-037-222315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
115 PM PDT FRI AUG 22 2003

...SEVERE THUNDERSTORM WATCH NUMBER 882 IN EFFECT FOR NORTHERN
NEVADA UNTIL 7 PM PDT...

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

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

THUNDERSTORMS WITH HEAVY RAIN...HALF INCH TO ONE INCH HAIL...AND
WIND GUSTS NEAR 60 MPH CAN BE EXPECTED THIS AFTERNOON AND EVENING
ACROSS NORTHERN AND NORTH EAST 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.

EYSSAUTIER

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.