Alert archive / Nevada / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Las Vegas, NV

January 31, 2016Clark County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Jan 31, 2016, 3:42 PM PST for Clark County, Nevada. It was in force for 48 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
Jan 31, 2016, 3:42 PM PST (23:42 UTC)
Expired
Jan 31, 2016, 4:30 PM PST
In force
48 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon

County Clark County, NV

The radar

The Las Vegas radar (KESX), 79 km from the middle of the area, began a volume at 23:42 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

Las Vegas, NV (KVEF), launched 12:00Z, 11.7 hours before the alert went out and 84 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, Las Vegas, NV at 12:00Z on 2016-01-31Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2016-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897117136Sfc1 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
1500 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

018 
WUUS55 KVEF 312342
SVRVEF
NVC003-010030-
/O.NEW.KVEF.SV.W.0004.160131T2342Z-160201T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
342 PM PST SUN JAN 31 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CLARK COUNTY IN SOUTHERN NEVADA...

* UNTIL 430 PM PST

* AT 341 PM PST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED 9 MILES NORTH OF CALLVILLE BAY CAMPGROUND...OR 13 MILES
  NORTHEAST OF LAS VEGAS BAY...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OVERTON...MOAPA VALLEY...OVERTON BEACH...VALLEY OF FIRE...
  LOGANDALE...ECHO BAY AND ECHO BAY CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM WILL PRODUCE HIGH WINDS WHICH CAN BRING DOWN TREES AND
POWER LINES AND CAUSE BLOWING DUST. ALSO...LIGHTNING CAN KILL! TAKE
COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS UNTIL THE STORM
PASSES. REPORT SEVERE WEATHER TO THE LAS VEGAS NATIONAL WEATHER
SERVICE VIA FACEBOOK OR TWITTER.

&&

LAT...LON 3621 11478 3640 11485 3669 11445 3634 11417
TIME...MOT...LOC 2341Z 239DEG 32KT 3628 11474 

$$

SC
3 follow-up statements
987 
WWUS55 KVEF 312358
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
358 PM PST SUN JAN 31 2016

NVC003-010030-
/O.CON.KVEF.SV.W.0004.000000T0000Z-160201T0030Z/
CLARK NV-
358 PM PST SUN JAN 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM PST
FOR NORTHEASTERN CLARK COUNTY...

AT 357 PM PST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR VALLEY OF FIRE...OR 8 MILES SOUTHWEST OF OVERTON...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
OVERTON...MOAPA VALLEY...OVERTON BEACH...VALLEY OF FIRE...
LOGANDALE...ECHO BAY AND ECHO BAY CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 3626 11466 3647 11475 3669 11445 3634 11417
TIME...MOT...LOC 2357Z 228DEG 39KT 3645 11457 

$$

SC
085 
WWUS55 KVEF 010019
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
419 PM PST SUN JAN 31 2016

NVC003-010030-
/O.CON.KVEF.SV.W.0004.000000T0000Z-160201T0030Z/
CLARK NV-
419 PM PST SUN JAN 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM PST
FOR NORTHEASTERN CLARK COUNTY...

AT 419 PM PST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR OVERTON...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
OVERTON...MOAPA VALLEY...OVERTON BEACH...LOGANDALE AND VALLEY OF
FIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 3636 11440 3658 11458 3669 11445 3634 11417
TIME...MOT...LOC 0019Z 239DEG 32KT 3655 11436 

$$

SC
864 
WWUS55 KVEF 010025
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
425 PM PST SUN JAN 31 2016

NVC003-010032-
/O.EXP.KVEF.SV.W.0004.000000T0000Z-160201T0030Z/
CLARK NV-
425 PM PST SUN JAN 31 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLARK COUNTY WILL
EXPIRE AT 430 PM PST...
                
THE STORM WHICH PROMPTED THE WARNING IN NORTHEASTERN CLARK COUNTY
HAS WEAKENED BELOW SEVERE LIMITS. THEREFORE THE WARNING WILL BE
ALLOWED TO EXPIRE. 

LAT...LON 3636 11440 3658 11458 3669 11445 3634 11417
TIME...MOT...LOC 0021Z 239DEG 32KT 3655 11436 

$$

SC

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 2:56 AM PSTHigh Wind WarningVEFEsmeralda, Nye35 hr
Jan 31, 2:56 AM PSTWind AdvisoryVEFClark, Esmeralda, Nye39 hr
Jan 31, 9:15 AM PSTWinter Weather AdvisoryVEFEsmeralda, Nye3 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 2016Every severe thunderstorm warning in 2016

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.