Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 19, NWS Elko, NV

August 16, 2003White Pine County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 16, 2003, 4:03 PM PDT for White Pine County, Nevada. It was in force for 57 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 16, 2003, 4:03 PM PDT (23:03 UTC)
Expired
Aug 16, 2003, 5:00 PM PDT
In force
57 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County White Pine County, NV

The radar

The Cedar City radar (KICX), 207 km from the middle of the area, began a volume at 23:03 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.

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, 11.1 hours before the alert went out and 206 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 2003-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 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 2003-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
86 J/kg
Mixed-layer CIN
-260 J/kg
Mixed-layer LCL
1988 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
28 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 162303
SVRLKN
NVC033-170000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
403 PM PDT SAT AUG 16 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN WHITE PINE COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...SHOSHONE...GREAT BASIN NATIONAL
  PARK...BAKER

* UNTIL 500 PM PDT

* AT 359 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES NORTHWEST OF GREAT BASIN NATIONAL
  PARK...MOVING SOUTH AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  2 MILES WEST OF GREAT BASIN NATIONAL PARK AT 420 PM PDT
  7 MILES WEST OF BAKER AT 425 PM PDT
  8 MILES EAST OF SHOSHONE AT 435 PM PDT

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.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

LAT...LON 3871 11457 3871 11410 3951 11406 3948 11454

$$

FEHRN

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 16, 1:30 PM PDT, 2 hours 33 minutes earlier.

Area forecast discussion, Aug 16, 1:30 PM PDT, 2 hours 33 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
130 PM PDT SAT AUG 16 2003

.SYNOPSIS...A MINOR RISK OF SHOWERS AND THUNDERSTORMS WILL END ACROSS
EASTERN NEVADA THIS EVENING...AS HIGH PRESSURE BUILDS ACROSS THE
SILVER STATE. DRY WEATHER WILL CONTINUE THROUGH EARLY NEXT WEEK...
BEFORE THE HIGH PRESSURE WEAKENS BY THE MIDDLE OF NEXT WEEK...WITH A
MINOR RISK OF SHOWERS AND THUNDERSTORMS RETURNING.

.SHORT TERM...LATEST WATER VAPOR IMAGERY SHOWS TWO AREAS OF LOW
PRESSURE...ONE MOVING EAST ACROSS THE FOUR CORNERS...WITH ANOTHER
LOW MOVING EAST ACROSS EASTERN WA. MOISTURE ASSOC WITH THE FOUR
CORNERS LOW IS EXITING THE FA...WITH VIS SAT/RADAR SHOWING INITIAL
POP UPS ACROSS THE EXTREME SOUTHERN/EASTERN FA AHEAD OF THE
MOISTURE BOUNDARY.

TNGT...THE DRY AIR THAT HAS INFILTRATED THE WESTERN TWO-THIRDS OF
THE FA WILL MOVE ACROSS THE EASTERN PORTIONS BY MIDNIGHT AS THE LOW
CONTINUES TO EXIT THE REGION. WILL USE ISO POPS THIS EVENING FOR
ZONES 32/33/34/35/37...WITH LOW END SCT FOR GBNP CLOSEST TO THE
BEST MOISTURE/INSTABILITY.

SUN/MON...RIDGING WILL DOMINATE THE WX PICTURE ACROSS THE ENTIRE
FA...WITH SOME MOISTURE/INSTABILITY CROSSING THE SIERRA CREST BY MON
AFTN. MCLEAR/PCLDY SKIES WILL BE THE RULE WITH TEMPS FALLING TO NEAR
CLIMO BEHIND THE WEAK FRONT.

TUE...THE HIGH BEGINS TO FLATTEN SLIGHTLY...WITH MOISTURE
TRYING TO MAKE A COMEBACK...ALONG WITH CONDITIONS BECOMING LESS
STABLE...AS BOTH GFS/ETA SHOW LIS LOWERING TO NEAR ZERO ALONG THE
FAVORED CONV ZONE ACROSS THE EAST/SOUTH FA. ETA REMAINS VERY DRY...
WITH GFS MORE MOIST. ETA HAS SHOWN A DRY BIAS FOR MOST OF THE
SUMMER...THUS WILL LEAN TOWARD THE MORE MOIST GFS SOLUTION. TAKING
THIS INTO ACCOUNT...CANNOT RULE OUT SOME AFTN/EVE CONVECTION. WILL
CONTINUE THE SCHC POPS FOR ZONES 33/35/37...INCLUDING EASTERN ZONE 32
IN THE MIX AS WELL.

.EXTENDED...ECMWF/GFS DIVERGE A BIT...WITH THE GFS NUDGING THE
RIDGE EASTWARD AND AMPLIFYING IT...WITH MOISTURE POSSIBLY INCR
ACROSS THE EASTERN FA ESPECIALLY. THE ECMWF IS MORE PROGRESSIVE...
PUSHING THE HIGH WELL TO THE EAST...BRINGING A S/WV ACROSS THE
NORTHERN FA LATE WEEK. WILL LEAN TOWARD PREVIOUS TRENDS THIS
SUMMER...WITH THE SLOWER EJECTION OF THE HIGH. WILL KEEP SCHC POPS
FOR THE EASTERN FA...WITH DRY FOR THE REMAINDER. WITH THE HIGH
REBUILDING...TEMPS WILL WARM TO ABOVE CLIMO ONCE AGAIN.

.EKO...NONE.

ALLEN
Hazardous weather outlook, Aug 16, 9:00 AM PDT, 7 hours 3 minutes before
NVZ030>037-171500-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
900 AM PDT SAT AUG 16 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL
NEVADA

.DAY ONE...

MOISTURE ASSOCIATED WITH LOW PRESSURE MOVING INTO UTAH WILL CONTINUE
TO BRING THE THREAT OF SHOWERS AND THUNDERSTORMS TO EASTERN NEVADA
THROUGH THIS EVENING. THE THREAT OF SEVERE WEATHER OR EXCESSIVE
RAINFALL FROM THESE STORMS IS LOW.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

ALLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 5:58 PM PDTFlash Flood WarningLKNElko2 hr

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; radar from the NEXRAD Level II archive.