Alert archive / California / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 75, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 5, 2011, 2:01 PM PDT for San Bernardino County, California; Clark County, Nevada. It was in force for 33 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 5, 2011, 2:01 PM PDT (21:01 UTC)
- Expired
- Jul 5, 2011, 2:34 PM PDT
- In force
- 33 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
Counties San Bernardino County, CA, Clark County, NV
The radar
The Las Vegas radar (KESX), 64 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 94 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
- 2419 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
026 WUUS55 KVEF 052101 SVRVEF CAC071-NVC003-052145- /O.NEW.KVEF.SV.W.0075.110705T2101Z-110705T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 201 PM PDT TUE JUL 5 2011 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA... SOUTH CENTRAL CLARK COUNTY IN SOUTHERN NEVADA... * UNTIL 245 PM PDT. * AT 201 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 NEAR MOUNTAIN PASS...OR 13 MILES SOUTHWEST OF PRIMM...AND NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE...MOUNTAIN PASS AND NIPTON AND IVANPAH ROADS. 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 3575 11569 3559 11534 3530 11533 3527 11577 TIME...MOT...LOC 2101Z 193DEG 7KT 3548 11550 $$ SC
2 follow-up statements
512
WWUS55 KVEF 052114
SVSVEF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
214 PM PDT TUE JUL 5 2011
CAC071-NVC003-052145-
/O.CON.KVEF.SV.W.0075.000000T0000Z-110705T2145Z/
SAN BERNARDINO CA-CLARK NV-
214 PM PDT TUE JUL 5 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM PDT
FOR SOUTH CENTRAL CLARK AND NORTH CENTRAL SAN BERNARDINO COUNTIES...
AT 212 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MOUNTAIN PASS...OR 10 MILES SOUTHWEST OF PRIMM...MOVING
NORTH AT 10 MPH.
THE SEVERE THUNDERSTORM WILL CONTINUE TO IMPACT INTERSTATE 15
BETWEEN MILE MARKER 271 AND 293.
LAT...LON 3538 11563 3559 11566 3567 11564 3571 11561
3559 11534 3542 11533
TIME...MOT...LOC 2114Z 193DEG 7KT 3550 11549
$$
JGG412
WWUS55 KVEF 052134
SVSVEF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
234 PM PDT TUE JUL 5 2011
CAC071-NVC003-052141-
/O.CAN.KVEF.SV.W.0075.000000T0000Z-110705T2145Z/
SAN BERNARDINO CA-CLARK NV-
234 PM PDT TUE JUL 5 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CLARK AND NORTH
CENTRAL SAN BERNARDINO COUNTIES IS CANCELLED...
THE THUNDERSTORM NEAR MOUNTAIN PASS IN NORTH CENTRAL SAN BERNARDINO
COUNTY HAS WEAKENED SLIGHTLY AND NO LONGER SEVERE. HOWEVER...THIS
STORM CONTINUES TO PRODUCE VERY HEAVY RAIN AND A FLASH FLOOD WARNING
REMAINS IN EFFECT UNTIL 445 PM.
LAT...LON 3538 11563 3559 11566 3567 11564 3571 11561
3559 11534 3542 11533
TIME...MOT...LOC 2131Z 193DEG 7KT 3553 11548
$$
SCThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:46 PM PDT | Flash Flood Warning | VEF | Inyo | 119 min |
| Jul 4, 6:52 PM PDT | Flash Flood Warning | VEF | Inyo | 113 min |
| Jul 5, 1:37 PM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Jul 5, 1:48 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 5, 2:06 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 24 min |
| Jul 5, 12:14 PM PDT | Flash Flood Warning | VEF | Clark | 76 min |
| Jul 5, 12:54 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 36 min |
| Jul 5, 1:12 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 5, 2:21 PM PDT | Flash Flood Warning | VEF | Clark | 114 min |
| Jul 5, 3:01 PM PDT | Flash Flood Warning | VEF | Clark | 89 min |
| Jul 5, 3:09 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 5, 3:46 PM PDT | Areal Flood Advisory | VEF | Clark, Esmeralda, Lincoln, Nye | 119 min |
| Jul 5, 4:10 PM PDT | Flash Flood Warning | VEF | Clark | 110 min |
Nearby
Severe Thunderstorm Warnings in California, 2011Severe 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.