Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 56, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Sep 9, 2012, 3:17 PM MST for Mohave County, Arizona. It was in force for 43 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
- Sep 9, 2012, 3:17 PM MST (22:17 UTC)
- Expired
- Sep 9, 2012, 4:00 PM MST
- In force
- 43 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 102 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 196 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
- 3433 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
387 WUUS55 KVEF 092217 SVRVEF AZC015-092300- /O.NEW.KVEF.SV.W.0056.120909T2217Z-120909T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 317 PM MST SUN SEP 9 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 400 PM MST. * AT 310 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR KINGMAN...AND WAS MOVING NORTHWEST AT 5 MPH. * LOCATIONS IMPACTED INCLUDE... KINGMAN AND NEW KINGMAN-BUTLER. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 43 AND 63. 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 3501 11403 3521 11419 3531 11392 3516 11380 TIME...MOT...LOC 2216Z 120DEG 5KT 3519 11396 $$ ASG
2 follow-up statements
546 WWUS55 KVEF 092237 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 337 PM MST SUN SEP 9 2012 AZC015-092300- /O.CON.KVEF.SV.W.0056.000000T0000Z-120909T2300Z/ MOHAVE AZ- 337 PM MST SUN SEP 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR CENTRAL MOHAVE COUNTY... AT 331 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL UP TO QUARTER SIZE. THIS STORM WAS LOCATED NEAR KINGMAN...AND WAS NEARLY STATIONARY. LOCATIONS IMPACTED INCLUDE... KINGMAN AND NEW KINGMAN-BUTLER. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 43 AND 65. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM PASSES. REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...NWSVEGAS. && LAT...LON 3501 11403 3521 11419 3531 11392 3516 11380 TIME...MOT...LOC 2236Z 120DEG 5KT 3520 11399 $$ ASG
133 WWUS55 KVEF 092259 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 359 PM MST SUN SEP 9 2012 AZC015-092309- /O.EXP.KVEF.SV.W.0056.000000T0000Z-120909T2300Z/ MOHAVE AZ- 359 PM MST SUN SEP 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MOHAVE COUNTY WILL EXPIRE AT 400 PM MST... THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED NORTHWEST OF KINGMAN. GUSTY WINDS AND BRIEF HEAVY RAIN IS STILL POSSIBLE. LAT...LON 3501 11403 3521 11419 3531 11392 3516 11380 TIME...MOT...LOC 2259Z 120DEG 5KT 3522 11402 $$ ASG
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 1:58 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 35 min |
| Sep 9, 2:26 PM MST | Flash Flood Watch | VEF | Mohave | 55 hr |
| Sep 9, 3:47 PM MST | Flash Flood Warning | VEF | Mohave | 118 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.