Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 36, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 16, 2012, 1:12 PM MST for Mohave County, Arizona. It was in force for 35 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, 2012, 1:12 PM MST (20:12 UTC)
- Expired
- Aug 16, 2012, 1:47 PM MST
- In force
- 35 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 104 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 162 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4245 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
532 WUUS55 KVEF 162012 SVRVEF AZC015-162100- /O.NEW.KVEF.SV.W.0036.120816T2012Z-120816T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 112 PM MST THU AUG 16 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 200 PM MST. * AT 106 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED 7 MILES SOUTH OF GRAND CANYON SKYWALK...JUST EAST OF GRAND CANYON WEST AIRPORT. THE STORM WAS MOVING EAST AT 5 MPH. * LOCATIONS IMPACTED INCLUDE...GRAND CANYON WEST AIRPORT...GRAND CANYON SKYWALK...QUARTERMASTER POINT...AND THE MOCK UP OLD WESTERN TOWN NEAR THE WEST RIM. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM PASSES. REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...NWSVEGAS. && LAT...LON 3612 11387 3604 11358 3580 11373 3586 11394 TIME...MOT...LOC 2008Z 283DEG 6KT 3591 11379 $$ KENNEDY
1 follow-up statement
552 WWUS55 KVEF 162047 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 147 PM MST THU AUG 16 2012 AZC015-162049- /O.CAN.KVEF.SV.W.0036.000000T0000Z-120816T2100Z/ MOHAVE AZ- 147 PM MST THU AUG 16 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOHAVE COUNTY NEAR GRAND CANYON WEST IS CANCELLED... THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND THERE IS NO LONGER A THREAT OF SEVERE WEATHER...THEREFORE THE SEVERE THUNDERSTORM WARNING FOR THIS AREA HAS BEEN CANCELLED. LAT...LON 3612 11387 3604 11358 3580 11373 3586 11394 TIME...MOT...LOC 2039Z 283DEG 6KT 3590 11373 $$ KENNEDY
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 4:07 PM MST | Flash Flood Warning | VEF | Mohave | 113 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2012Every severe thunderstorm warning in 2012
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.