Alert archive / Nevada / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 6, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 15, 2012, 2:16 PM PDT for Clark County, Nevada. It was in force for 44 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 15, 2012, 2:16 PM PDT (21:16 UTC)
- Expired
- Jul 15, 2012, 3:00 PM PDT
- In force
- 44 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Clark County, NV
The radar
The Las Vegas radar (KESX), 37 km from the middle of the area, began a volume at 21:15 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, 9.3 hours before the alert went out and 76 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
- 335 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 22 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.
365 WUUS55 KVEF 152116 SVRVEF NVC003-152200- /O.NEW.KVEF.SV.W.0006.120715T2116Z-120715T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 216 PM PDT SUN JUL 15 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL CLARK COUNTY IN SOUTHERN NEVADA... * UNTIL 300 PM PDT. * AT 210 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTHEAST OF JEAN...AND WAS MOVING EAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHERN CLARK COUNTY INCLUDING THE AREA SOUTHEAST OF JEAN AND NORTHEAST OF PRIMM. THIS INCLUDES INTERSTATE 15 BETWEEN MILE MARKERS 2 AND 13. 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 3579 11540 3580 11509 3558 11518 3564 11543 TIME...MOT...LOC 2115Z 263DEG 9KT 3570 11527 $$ STACHELSKI
2 follow-up statements
548 WWUS55 KVEF 152124 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 224 PM PDT SUN JUL 15 2012 NVC003-152200- /O.CON.KVEF.SV.W.0006.000000T0000Z-120715T2200Z/ CLARK NV- 224 PM PDT SUN JUL 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM PDT FOR SOUTH CENTRAL CLARK COUNTY... AT 220 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER SOUTH CENTRAL CLARK COUNTY...OR 7 MILES SOUTHEAST OF JEAN...AND WAS MOVING EAST AT 10 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHERN CLARK COUNTY. THIS INCLUDES INTERSTATE 15 BETWEEN MILE MARKERS 2 AND 7. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM PASSES. REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...NWSVEGAS. && LAT...LON 3579 11531 3580 11509 3558 11518 3564 11543 TIME...MOT...LOC 2124Z 263DEG 9KT 3570 11524 $$ STACHELSKI
427 WWUS55 KVEF 152157 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 257 PM PDT SUN JUL 15 2012 NVC003-152207- /O.EXP.KVEF.SV.W.0006.000000T0000Z-120715T2200Z/ CLARK NV- 257 PM PDT SUN JUL 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CLARK COUNTY WILL EXPIRE AT 300 PM PDT... RADAR SHOWS THUNDERSTORMS HAVE WEAKENED TO BELOW SEVERE LEVELS ACROSS SOUTH CENTRAL CLARK COUNTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3579 11531 3580 11509 3558 11518 3564 11543 TIME...MOT...LOC 2157Z 263DEG 9KT 3571 11514 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:02 PM PDT | Areal Flood Advisory | VEF | Clark | 116 min |
| Jul 14, 8:41 PM PDT | Areal Flood Advisory | VEF | Clark | 16 min |
| Jul 14, 8:56 PM PDT | Flash Flood Warning | VEF | Clark | 109 min |
| Jul 15, 10:14 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 11 hr |
| Jul 15, 10:30 AM PDT | Flash Flood Warning | VEF | Lincoln | 4 hr |
| Jul 15, 1:12 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 15, 1:24 PM PDT | Flash Flood Warning | VEF | Nye | 4 hr |
| Jul 15, 1:58 PM PDT | Flash Flood Warning | VEF | Lincoln | 82 min |
| Jul 15, 2:41 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Jul 15, 3:01 PM PDT | Flash Flood Warning | VEF | Lincoln | 6 hr |
| Jul 15, 4:40 PM PDT | Flash Flood Warning | VEF | Clark | 65 min |
| Jul 15, 4:58 PM PDT | Flash Flood Warning | VEF | Clark | 92 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 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.