Alert archive / Arizona / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Las Vegas, NV

June 30, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jun 30, 2016, 2:58 PM MST for Mohave County, Arizona. It was in force for 32 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
Jun 30, 2016, 2:58 PM MST (21:58 UTC)
Expired
Jun 30, 2016, 3:30 PM MST
In force
32 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon

County Mohave County, AZ

The radar

The Las Vegas radar (KESX), 109 km from the middle of the area, began a volume at 21:59 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

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.0 hours before the alert went out and 182 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, Flgstf/Belemont, AZ at 12:00Z on 2016-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2016-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
83 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

681 
WUUS55 KVEF 302158
SVRVEF
AZC015-302230-
/O.NEW.KVEF.SV.W.0021.160630T2158Z-160630T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
258 PM MST THU JUN 30 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA...

* UNTIL 330 PM MST

* AT 257 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN
  EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES NORTHWEST OF
  BLAKE RANCH ROAD...OR 11 MILES NORTHEAST OF KINGMAN...AND MOVING
  NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLAKE RANCH ROAD...DW RANCH ROAD AND VALENTINE. 

THIS INCLUDES INTERSTATE 40 IN ARIZONA BETWEEN MILE MARKERS 57 AND
68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 3514 11378 3518 11396 3550 11393 3545 11356
TIME...MOT...LOC 2157Z 200DEG 15KT 3528 11384 

$$

CMS
2 follow-up statements
999 
WWUS55 KVEF 302213
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
313 PM MST THU JUN 30 2016

AZC015-302230-
/O.CON.KVEF.SV.W.0021.000000T0000Z-160630T2230Z/
MOHAVE AZ-
313 PM MST THU JUN 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST
FOR CENTRAL MOHAVE COUNTY...

AT 312 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 8 MILES WEST OF VALENTINE...OR 15 MILES
NORTHEAST OF KINGMAN...MOVING NORTH AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
BLAKE RANCH ROAD...DW RANCH ROAD AND VALENTINE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 3514 11378 3518 11396 3550 11393 3545 11356
TIME...MOT...LOC 2212Z 200DEG 15KT 3534 11381 

$$

CMS
388 
WWUS55 KVEF 302225
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
325 PM MST THU JUN 30 2016

AZC015-302235-
/O.EXP.KVEF.SV.W.0021.000000T0000Z-160630T2230Z/
MOHAVE AZ-
325 PM MST THU JUN 30 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOHAVE COUNTY WILL
EXPIRE AT 330 PM MST...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED SLIGHTLY TO JUST
BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
HOWEVER SMALL HAIL... GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE
WITH THIS THUNDERSTORM.

LAT...LON 3514 11378 3518 11396 3550 11393 3545 11356
TIME...MOT...LOC 2221Z 200DEG 15KT 3534 11381 

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 2:47 PM MSTSevere Thunderstorm WarningVEFMohave88 min
Jun 30, 3:02 PM MSTFlash Flood WarningVEFMohave28 min
Jun 30, 3:51 PM MSTFlash Flood WarningVEFMohave3 hr
Jun 30, 4:13 PM MSTSevere Thunderstorm WarningVEFMohave69 min
Jun 30, 4:29 PM MSTSevere Thunderstorm WarningVEFMohave61 min
Jun 30, 4:46 PM MSTFlash Flood WarningVEFMohave4 hr
Jun 30, 4:52 PM MSTSevere Thunderstorm WarningVEFMohave68 min

Nearby

Severe Thunderstorm Warnings in Arizona, 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.