Alert archive / Arizona / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 21, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 3, 2014, 5:41 PM MST for Mohave County, Arizona. It was in force for 49 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 3, 2014, 5:41 PM MST (00:41 UTC)
- Expired
- Aug 3, 2014, 6:30 PM MST
- In force
- 49 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 108 km from the middle of the area, began a volume at 00:43 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, 0.7 hours before the alert went out and 203 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1593 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
076 WUUS55 KVEF 040041 SVRVEF AZC015-040130- /O.NEW.KVEF.SV.W.0021.140804T0041Z-140804T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 541 PM MST SUN AUG 3 2014 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 630 PM MST. * AT 535 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 6 MILES SOUTH OF YUCCA...AND WAS MOVING NORTH AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... YUCCA AND OATMAN. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 13 AND 37. 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 3504 11446 3505 11394 3465 11408 3468 11425 TIME...MOT...LOC 0041Z 161DEG 12KT 3479 11418 $$ STACHELSKI
2 follow-up statements
052 WWUS55 KVEF 040047 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 547 PM MST SUN AUG 3 2014 AZC015-040130- /O.CON.KVEF.SV.W.0021.000000T0000Z-140804T0130Z/ MOHAVE AZ- 547 PM MST SUN AUG 3 2014 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR SOUTHWESTERN MOHAVE COUNTY... AT 545 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR YUCCA...MOVING NORTH AT 15 MPH. BE ALERT FOR BLOWING DUST REDUCING VISIBILITY! LOCATIONS IMPACTED INCLUDE... YUCCA AND OATMAN. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 13 AND 37. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM WILL PRODUCE HIGH WINDS WHICH CAN BRING DOWN TREES AND POWER LINES AND CAUSE BLOWING DUST. ALSO...LIGHTNING CAN KILL! TAKE COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS UNTIL THE STORM PASSES. REPORT SEVERE WEATHER TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA FACEBOOK OR TWITTER. && LAT...LON 3473 11412 3468 11425 3504 11446 3505 11394 TIME...MOT...LOC 0047Z 161DEG 12KT 3481 11419 $$ STACHELSKI
294 WWUS55 KVEF 040134 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 634 PM MST SUN AUG 3 2014 AZC015-040144- /O.EXP.KVEF.SV.W.0021.000000T0000Z-140804T0130Z/ MOHAVE AZ- 634 PM MST SUN AUG 3 2014 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MOHAVE COUNTY HAS EXPIRED... THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 13 AND 37. THE STORM HAS WEAKENED AND DROPPED BELOW SEVERE LEVELS. THUS THE WARNING WAS ALLOWED TO EXPIRE. LAT...LON 3473 11412 3468 11425 3504 11446 3505 11394 TIME...MOT...LOC 0047Z 161DEG 12KT 3481 11419 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:07 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 53 min |
| Aug 3, 5:14 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 46 min |
| Aug 3, 6:34 PM MST | Areal Flood Warning | VEF | Mohave | 12 hr |
| Aug 3, 7:24 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 9:19 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 4, 4:58 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arizona, 2014Every severe thunderstorm warning in 2014
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.