Alert archive / Nevada / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 27, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 22, 2021, 1:49 PM PDT for Clark County, Nevada. It was in force for 41 min. 14 reports 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 22, 2021, 1:49 PM PDT (20:49 UTC)
- Expired
- Jul 22, 2021, 2:30 PM PDT
- In force
- 41 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Clark County, NV
The radar
The Las Vegas radar (KESX), 38 km from the middle of the area, began a volume at 20:55 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 22, 1:51 PM PDT | TSTM WND DMG | 2 Se Green Valley, NV | LARGE TREE DOWN NEAR PASO VERDE AND CALLE VERDE. |
| Jul 22, 1:52 PM PDT | TSTM WND DMG | 1 Nne Henderson Executi, NV | ROOF PARTIALLY TORN OFF A PARKING STRUCTURE. |
| Jul 22, 1:55 PM PDT | TSTM WND DMG | 2 Ese Green Valley, NV | LARGE TREE DOWN. |
| Jul 22, 1:55 PM PDT | TSTM WND DMG | 3 Se Green Valley, NV | LARGE TREE DOWN. |
| Jul 22, 1:56 PM PDT | TSTM WND DMG | 2 E Green Valley, NV | LARGE TREE DOWN. |
| Jul 22, 1:56 PM PDT | TSTM WND DMG | 2 E Green Valley, NV | SEVERAL TREES DOWN AT THE ARROYO GRANDE SPORTS COMPLEX. |
| Jul 22, 1:56 PM PDT | TSTM WND DMG | 3 Sse Green Valley, NV | LARGE TREE DOWN. |
| Jul 22, 1:57 PM PDT | TSTM WND DMG | 2 Ssw Sam Boyd Stadium, NV | LARGE TREE DOWN ALONG AUTO MALL DRIVE. |
| Jul 22, 1:59 PM PDT | TSTM WND GST 63 | 1 Ssw Sam Boyd Stadium, NV | WIND MEASURED NEAR COWABUNGA BAY WATER PARK. DATA COURTESY EARTH NETWORKS. |
| Jul 22, 2:00 PM PDT | TSTM WND DMG | 1 W Sam Boyd Stadium, NV | UTILITY POLE DOWN. |
| Jul 22, 2:00 PM PDT | TSTM WND GST 63 | 1 Sse Green Valley, NV | WIND MEASURED NEAR THE INTERSECTION OF GREEN VALLEY PLACE AND PASEO VERDE PARKWAY. DATA COURTESY EARTH NETWORKS. |
| Jul 22, 2:01 PM PDT | TSTM WND DMG | 2 Wnw Sam Boyd Stadium, NV | 6 TO 8 POWER POLES DOWN ALONG BOULDER HIGHWAY NEAR TROPICANA. |
| Jul 22, 2:03 PM PDT | TSTM WND GST 60 | 2 Ne Anthem, NV | WIND MEASURED NEAR THE INTERSECTION OF REUNION DRIVE AND ANTHEM PARKWAY. DATA COURTESY EARTH NETWORKS. |
| Jul 22, 2:04 PM PDT | TSTM WND GST 63 | 1 Nnw Sam Boyd Stadium, NV | WIND MEASURED NEAR WETLANDS PARK LANE AND HOLLYWOOD DRIVE. DATA COURTESY EARTH NETWORKS. |
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 12:00Z, 8.8 hours before the alert went out and 60 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
- 112 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 2637 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
299
WUUS55 KVEF 222049
SVRVEF
NVC003-222130-
/O.NEW.KVEF.SV.W.0027.210722T2049Z-210722T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
149 PM PDT Thu Jul 22 2021
The National Weather Service in Las Vegas has issued a
* Severe Thunderstorm Warning for...
Central Clark County in southern Nevada...
* Until 230 PM PDT.
* At 149 PM PDT, a severe thunderstorm was located over Anthem,
moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees.
* Locations impacted include...
Henderson, Green Valley, Anthem, Sam Boyd Stadium, Paradise, East
Las Vegas, Silverado Ranch, Seven Hills and Henderson Executive
Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3594 11504 3594 11515 3616 11510 3612 11499
3603 11491
TIME...MOT...LOC 2049Z 203DEG 12KT 3599 11507
HAIL...<.75IN
WIND...60MPH
$$
SC2 follow-up statements
781
WWUS55 KVEF 222114
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
214 PM PDT Thu Jul 22 2021
NVC003-222130-
/O.CON.KVEF.SV.W.0027.000000T0000Z-210722T2130Z/
Clark NV-
214 PM PDT Thu Jul 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM PDT
FOR CENTRAL CLARK COUNTY...
At 213 PM PDT, a severe thunderstorm was located over Green Valley,
moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs and trees.
Locations impacted include...
Henderson, Green Valley, Anthem, Sam Boyd Stadium, Paradise, East Las
Vegas, Silverado Ranch, Seven Hills and Henderson Executive Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Wind damage with this storm may occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3594 11504 3594 11515 3616 11510 3612 11499
3603 11491
TIME...MOT...LOC 2113Z 203DEG 14KT 3602 11509
HAIL...<.75IN
WIND...60MPH
$$
SC444
WWUS55 KVEF 222127
SVSVEF
Severe Weather Statement
National Weather Service Las Vegas NV
227 PM PDT Thu Jul 22 2021
NVC003-222133-
/O.EXP.KVEF.SV.W.0027.000000T0000Z-210722T2130Z/
Clark NV-
227 PM PDT Thu Jul 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CLARK COUNTY WILL
EXPIRE AT 230 PM PDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, wind
gusts of 40 to 50 mph are still possible in the southeast portion of
the Las Vegas Valley through 300 pm.
LAT...LON 3594 11504 3594 11515 3616 11510 3612 11499
3603 11491
TIME...MOT...LOC 2123Z 203DEG 12KT 3602 11509
$$
SCThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 10:18 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 11 hr |
| Jul 22, 12:53 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 26 min |
| Jul 22, 1:31 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 44 min |
| Jul 22, 1:35 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Jul 22, 1:36 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 22, 2:20 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 22, 2:32 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jul 22, 3:03 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Lincoln | 42 min |
| Jul 22, 3:21 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 3 hr |
| Jul 22, 4:09 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 51 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 2021Every severe thunderstorm warning in 2021
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.