Alert archive / Nevada / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Elko, NV

July 3, 2009Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 3, 2009, 3:44 PM PDT for Elko County, Nevada. It was in force for 31 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 3, 2009, 3:44 PM PDT (22:44 UTC)
Expired
Jul 3, 2009, 4:15 PM PDT
In force
31 min
Issued by
NWS Elko, NV
Area
Storm-based polygon

County Elko County, NV

The radar

The Elko radar (KLRX), 148 km from the middle of the area, began a volume at 22:45 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.

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.7 hours before the alert went out and 148 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 2009-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 2009-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-285 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
13 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 032244
SVRLKN
NVC007-032315-
/O.NEW.KLKN.SV.W.0021.090703T2244Z-090703T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
344 PM PDT FRI JUL 3 2009

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL ELKO COUNTY IN NORTHEAST NEVADA...
  THIS INCLUDES THE CITY OF CHARLESTON...

* UNTIL 415 PM PDT

* AT 342 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM
  WAS LOCATED OVER WILDHORSE...OR 13 MILES WEST OF CHARLESTON...AND 
  MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4178 11540 4159 11539 4162 11584 4173 11586
TIME...MOT...LOC 2244Z 266DEG 20KT 4165 11576

$$

JM
2 follow-up statements
000 
WWUS55 KLKN 032259
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
359 PM PDT FRI JUL 3 2009

NVC007-032315-
/O.CON.KLKN.SV.W.0021.000000T0000Z-090703T2315Z/
ELKO NV-
359 PM PDT FRI JUL 3 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM PDT
FOR NORTH CENTRAL ELKO COUNTY...

AT 358 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS
LOCATED 6 MILES WEST OF CHARLESTON...MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4174 11571 4178 11540 4159 11539 4161 11566
TIME...MOT...LOC 2259Z 266DEG 20KT 4166 11565

$$

JM
000 
WWUS55 KLKN 032310
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
410 PM PDT FRI JUL 3 2009

NVC007-032319-
/O.EXP.KLKN.SV.W.0021.000000T0000Z-090703T2315Z/
ELKO NV-
410 PM PDT FRI JUL 3 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ELKO COUNTY WILL
EXPIRE AT 415 PM PDT...

THE THUNDERSTORM RESPONSIBLE FOR THE WARNING HAS WEAKENED. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO 
EXPIRE.

LAT...LON 4174 11571 4178 11540 4159 11539 4161 11566
TIME...MOT...LOC 2309Z 266DEG 20KT 4166 11558

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 5:23 PM PDTSpecial Weather StatementLKN22 min
Jul 2, 5:55 PM PDTSpecial Weather StatementLKN35 min
Jul 2, 6:04 PM PDTSpecial Weather StatementLKN26 min
Jul 3, 11:58 AM PDTSpecial Weather StatementLKN32 min
Jul 3, 12:09 PM PDTSevere Thunderstorm WarningLKNHumboldt25 min
Jul 3, 12:28 PM PDTTornado WarningLKNHumboldt32 min
Jul 3, 12:40 PM PDTSpecial Weather StatementLKN35 min
Jul 3, 12:58 PM PDTSevere Thunderstorm WarningLKNElko, Humboldt25 min
Jul 3, 1:04 PM PDTSpecial Weather StatementLKNEureka26 min
Jul 3, 1:32 PM PDTSpecial Weather StatementLKN28 min
Jul 3, 1:41 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine34 min
Jul 3, 2:14 PM PDTAreal Flood AdvisoryLKNElko3 hr
Jul 3, 2:14 PM PDTSevere Thunderstorm WarningLKNWhite Pine31 min
Jul 3, 2:46 PM PDTSevere Thunderstorm WarningLKNWhite Pine28 min
Jul 3, 3:01 PM PDTSpecial Weather StatementLKN29 min
Jul 3, 3:22 PM PDTSevere Thunderstorm WarningLKNElko23 min
Jul 3, 3:51 PM PDTSpecial Weather StatementLKN24 min
Jul 3, 4:07 PM PDTSevere Thunderstorm WarningLKNNye, White Pine23 min
Jul 3, 4:40 PM PDTSpecial Weather StatementLKN35 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2009Every severe thunderstorm warning in 2009

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.