Alert archive / Arizona / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 9, NWS Las Vegas, NV

July 16, 2017Mohave County, Arizona

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 16, 2017, 5:51 PM MST for Mohave County, Arizona. It was in force for 24 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 16, 2017, 5:51 PM MST (00:51 UTC)
Expired: Jul 16, 2017, 6:15 PM MST
In force: 24 min
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Mohave County, AZ

The radar

The Las Vegas radar (KESX), 81 km from the middle of the area, began a volume at 00:52 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 00:00Z, 0.9 hours before the alert went out and 157 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1603 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 3315 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

663 
WUUS55 KVEF 170051
SVRVEF
AZC015-170115-
/O.NEW.KVEF.SV.W.0009.170717T0051Z-170717T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
551 PM MST SUN JUL 16 2017

The National Weather Service in Las Vegas has issued a

* Severe Thunderstorm Warning for...
  Central Mohave County in northwestern Arizona...

* Until 615 PM MST

* At 550 PM MST, a severe thunderstorm was located 10 miles southeast
  of Pierce Ferry And Antares Roads, or 34 miles north of Kingman,
  moving west at 15 mph.

  HAZARD...Quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Damage to vehicles is expected. Gusty winds to 50 mph and 
           blowing dust with low visibility can also be expected 
           with this storm.

* This severe thunderstorm will remain over mainly rural areas of 
  central Mohave County around Red Lake including Antares and 
  Stockton Hill Roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3580 11387 3561 11385 3560 11414 3571 11415
      3580 11411
TIME...MOT...LOC 0050Z 088DEG 13KT 3571 11397 

HAIL...1.00IN
WIND...<50MPH
 
$$

Wolcott

1 follow-up statement

208 
WWUS55 KVEF 170111
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
611 PM MST SUN JUL 16 2017

AZC015-170120-
/O.EXP.KVEF.SV.W.0009.000000T0000Z-170717T0115Z/
Mohave AZ-
611 PM MST SUN JUL 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOHAVE COUNTY WILL
EXPIRE AT 615 PM MST...
                
The storm which prompted the warning has weakened 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 along Antares Road.
.

LAT...LON 3580 11387 3561 11385 3560 11414 3571 11415
      3580 11411
TIME...MOT...LOC 0110Z 088DEG 13KT 3571 11405 

$$

Wolcott

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 5:02 PM MST	Flash Flood Warning	VEF	Mohave	3 hr
Jul 16, 5:17 PM MST	Areal Flood Advisory	VEF	Mohave	3 hr
Jul 17, 8:21 AM MST	Flash Flood Watch	VEF	Mohave	14 hr
Jul 17, 2:25 PM MST	Severe Thunderstorm Warning	VEF	Mohave	65 min
Jul 17, 3:25 PM MST	Areal Flood Advisory	VEF	Mohave	3 hr
Jul 17, 4:07 PM MST	Flash Flood Warning	VEF	Mohave	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2017 Every severe thunderstorm warning in 2017

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.