Alert archive / Nevada / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 13, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 15, 2012, 10:48 PM PDT for Clark County, Nevada. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 15, 2012, 10:48 PM PDT (05:48 UTC)
- Expired
- Jul 15, 2012, 11:30 PM PDT
- In force
- 42 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Clark County, NV
The radar
The Las Vegas radar (KESX), 77 km from the middle of the area, began a volume at 05:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 10:52 PM PDT | TSTM WND GST 60 | N North Las Vegas, NV |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 5.8 hours before the alert went out and 39 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
- 91 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 2314 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
032 WUUS55 KVEF 160548 SVRVEF NVC003-160630- /O.NEW.KVEF.SV.W.0013.120716T0548Z-120716T0630Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 1048 PM PDT SUN JUL 15 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL CLARK COUNTY IN SOUTHERN NEVADA... * UNTIL 1130 PM PDT. * AT 1045 PM PDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR NORTH LAS VEGAS...AND WAS MOVING NORTHEAST AT 15 MPH. THERE HAVE BEEN REPORTS OF HAIL RANGING FROM QUARTER TO SILVER DOLLAR SIZE. * LOCATIONS IMPACTED INCLUDE... NORTH LAS VEGAS AND ALIENTE. THIS INCLUDES INTERSTATE 15 BETWEEN MILE MARKERS 60 AND 64. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING LARGE HAIL THAT CAN CAUSE INJURY AND DAMAGE PROPERTY. IN ADDITION...STRONG WINDS AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE SHELTER IN A STURDY BUILDING. IF IT IS SAFE TO DO SO...TAKE APPROPRIATE ACTIONS TO PROTECT VEHICLES AND PROPERTY. 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 3649 11517 3638 11484 3621 11506 3629 11525 TIME...MOT...LOC 0547Z 203DEG 11KT 3628 11515 $$ JH
2 follow-up statements
491 WWUS55 KVEF 160605 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1105 PM PDT SUN JUL 15 2012 NVC003-160630- /O.CON.KVEF.SV.W.0013.000000T0000Z-120716T0630Z/ CLARK NV- 1105 PM PDT SUN JUL 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM PDT FOR CENTRAL CLARK COUNTY... AT 1103 PM PDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTH OF NELLIS AIR FORCE BASE...OR 7 MILES NORTHEAST OF NORTH LAS VEGAS...AND WAS MOVING NORTHEAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... GASS PK. THIS INCLUDES INTERSTATE 15 BETWEEN MILE MARKERS 60 AND 65. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS CAPABLE OF PRODUCING LARGE HAIL THAT CAN CAUSE INJURY AND DAMAGE PROPERTY. IN ADDITION...STRONG WINDS AND LIGHTNING ARE LIKELY. LIGHTNING CAN KILL! TAKE SHELTER IN A STURDY BUILDING. IF IT IS SAFE TO DO SO...TAKE APPROPRIATE ACTIONS TO PROTECT VEHICLES AND PROPERTY. REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...NWSVEGAS. && LAT...LON 3649 11517 3638 11484 3621 11506 3629 11525 TIME...MOT...LOC 0605Z 203DEG 11KT 3634 11504 $$ JH
860 WWUS55 KVEF 160625 SVSVEF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1125 PM PDT SUN JUL 15 2012 NVC003-160632- /O.EXP.KVEF.SV.W.0013.000000T0000Z-120716T0630Z/ CLARK NV- 1125 PM PDT SUN JUL 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CLARK COUNTY WILL EXPIRE AT 1130 PM PDT... THE SEVERE THUNDERSTORM WEAKENED AND WAS MOVING OFF TO THE NORTHEAST. HEAVY RAIN AND SMALL HAIL IS STILL POSSIBLE ALONG AND NEAR INTERSTATE 15 NEAR THE HIGHWAY 93 INTERCHANGE BUT DAMAGING WIND AND LARGE HAIL IS NO LONGER A THREAT. THIS INCLUDES INTERSTATE 15 BETWEEN MILE MARKERS 60 AND 65. LAT...LON 3649 11517 3638 11484 3621 11506 3629 11525 TIME...MOT...LOC 0622Z 203DEG 11KT 3639 11501 $$ JH
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:44 PM PDT | Flash Flood Warning | VEF | Lincoln | 2 hr |
| Jul 15, 10:00 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 45 min |
| Jul 15, 10:07 PM PDT | Areal Flood Advisory | VEF | Clark | 53 min |
| Jul 15, 10:53 PM PDT | Areal Flood Advisory | VEF | Clark | 52 min |
| Jul 16, 1:09 AM PDT | Severe Thunderstorm Warning | VEF | Clark | 36 min |
| Jul 16, 2:00 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln | 19 hr |
| Jul 16, 1:04 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 41 min |
| Jul 16, 4:36 PM PDT | Areal Flood Advisory | VEF | Clark | 68 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.