Alert archive / Nevada / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 102, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 10, 2011, 2:43 PM PDT for Clark County, Nevada. It was in force for 47 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 10, 2011, 2:43 PM PDT (21:43 UTC)
- Expired
- Jul 10, 2011, 3:30 PM PDT
- In force
- 47 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
County Clark County, NV
The radar
The Las Vegas radar (KESX), 117 km from the middle of the area, began a volume at 21:46 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, 9.7 hours before the alert went out and 103 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
- 3297 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
652
WUUS55 KVEF 102143
SVRVEF
NVC003-102230-
/O.NEW.KVEF.SV.W.0102.110710T2143Z-110710T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
243 PM PDT SUN JUL 10 2011
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN CLARK COUNTY IN SOUTHERN NEVADA...
* UNTIL 330 PM PDT.
* AT 240 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR LOGANDALE...OR NEAR
MOAPA...AND MOVING NORTHEAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...LOGANDALE AND MOAPA.
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 TWITTER #NWSVEGAS.
&&
LAT...LON 3685 11446 3684 11415 3660 11438 3647 11457
3656 11472
TIME...MOT...LOC 2144Z 208DEG 17KT 3666 11452
$$
STACHELSKI2 follow-up statements
428
WWUS55 KVEF 102207
SVSVEF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
307 PM PDT SUN JUL 10 2011
NVC003-102230-
/O.CON.KVEF.SV.W.0102.000000T0000Z-110710T2230Z/
CLARK NV-
307 PM PDT SUN JUL 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM PDT
FOR NORTHEASTERN CLARK COUNTY...
AT 305 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES NORTH OF
LOGANDALE...OR 10 MILES NORTHEAST OF MOAPA...MOVING NORTHEAST AT 20
MPH.
THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY. THIS STORM WILL AFFECT INTERSTATE 15 FROM
THE HIGHWAY 169 INTERCHANGE NORTH TO MILE MARKER 113.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS WHICH CAN BRING
DOWN TREES AND POWER LINES AND CAUSE SIGNIFICANT BLOWING DUST AND
DEBRIS. IN ADDITION...HAIL AND LIGHTNING ARE LIKELY. LIGHTNING CAN
KILL! TAKE COVER IN A SUBSTANTIAL SHELTER AND STAY AWAY FROM WINDOWS
UNTIL THE STORM PASSES.
REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE LAS VEGAS
NATIONAL WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
&&
LAT...LON 3655 11445 3667 11462 3685 11446 3684 11415
3660 11438
TIME...MOT...LOC 2206Z 208DEG 17KT 3675 11446
$$
STACHELSKI967
WWUS55 KVEF 102228
SVSVEF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
328 PM PDT SUN JUL 10 2011
NVC003-102236-
/O.EXP.KVEF.SV.W.0102.000000T0000Z-110710T2230Z/
CLARK NV-
328 PM PDT SUN JUL 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLARK COUNTY WILL
EXPIRE AT 330 PM PDT...
A LINE OF THUNDERSTORMS CONTINUES TO MOVE NORTHEAST ACROSS
NORTHEASTERN CLARK COUNTY...HOWEVER IT HAS DROPPED BELOW SEVERE
LIMITS AT THIS TIME. THIS REMAINS A STRONG LINE OF STORMS...SO BE
ALERT IF YOU ARE IN NORTHEASTERN CLARK COUNTY.
LAT...LON 3655 11445 3667 11462 3685 11446 3684 11415
3660 11438
TIME...MOT...LOC 2226Z 208DEG 17KT 3683 11440
$$
STACHELSKIThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:41 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 49 min |
| Jul 9, 5:45 PM PDT | Areal Flood Advisory | VEF | Clark | 59 min |
| Jul 10, 12:23 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 52 min |
| Jul 10, 1:02 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 43 min |
| Jul 10, 1:18 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Jul 10, 1:26 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Jul 10, 1:27 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 48 min |
| Jul 10, 1:57 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 34 min |
| Jul 10, 3:09 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 20 min |
| Jul 10, 3:46 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Lincoln | 44 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 2011Every severe thunderstorm warning in 2011
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.