Severe Thunderstorm Warning 45, NWS Las Vegas, NV

Issued

Aug 22, 2012, 10:05 AM PDT (17:05 UTC)

Expired

Aug 22, 2012, 10:30 AM PDT

In force

25 min

Issued by

NWS Las Vegas, NV

Area

Storm-based polygon

County San Bernardino County, CA

The Las Vegas radar (KESX), 66 km from the middle of the area, began a volume at 17:05 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.

253 
WUUS55 KVEF 221705
SVRVEF
CAC071-221730-
/O.NEW.KVEF.SV.W.0045.120822T1705Z-120822T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1005 AM PDT WED AUG 22 2012

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...

* UNTIL 1030 AM PDT.

* AT 1001 AM 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
  MID HILLS CAMPGROUND...OR 10 MILES SOUTH OF CIMA...AND WAS MOVING
  NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MID HILLS CAMPGROUND.

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 3541 11532 3520 11514 3503 11547 3519 11555
TIME...MOT...LOC 1705Z 236DEG 20KT 3511 11546

$$

MORGAN

514 
WWUS55 KVEF 221715
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1015 AM PDT WED AUG 22 2012

CAC071-221730-
/O.CON.KVEF.SV.W.0045.000000T0000Z-120822T1730Z/
SAN BERNARDINO CA-
1015 AM PDT WED AUG 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM PDT
FOR EAST CENTRAL SAN BERNARDINO COUNTY...

AT 1013 AM 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 MID HILLS CAMPGROUND...OR 9 MILES SOUTHEAST OF CIMA...
AND WAS MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
THE MOJAVE NATIONAL PRESERVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT OUTDOORS...SEEK
SHELTER IN A STURDY BUILDING UNTIL THE STORM PASSES.
&&

LAT...LON 3507 11542 3520 11552 3541 11532 3520 11514
TIME...MOT...LOC 1715Z 236DEG 20KT 3514 11540

$$

MORGAN

690 
WWUS55 KVEF 221725
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1025 AM PDT WED AUG 22 2012

CAC071-221734-
/O.EXP.KVEF.SV.W.0045.000000T0000Z-120822T1730Z/
SAN BERNARDINO CA-
1025 AM PDT WED AUG 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SAN BERNARDINO
COUNTY WILL EXPIRE AT 1030 AM PDT...

AT 1024 AM PDT...RADAR INDICATED THAT THE THUNDERSTORM OVER THE 
MOJAVE NATIONAL PRESERVE HAD WEAKENED. THEREFORE...THE SEVERE 
THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

VERY HEAVY RAINFALL REMAINS A THREAT...AND A FLASH FLOOD WATCH IS IN 
EFFECT THROUGH TODAY.

LAT...LON 3507 11542 3520 11552 3541 11532 3520 11514
TIME...MOT...LOC 1724Z 236DEG 20KT 3517 11535

$$

MORGAN

Severe Thunderstorm Warnings in California, 2012Every severe thunderstorm warning in 2012

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.