Alert archive / California / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 39, NWS Las Vegas, NV

July 30, 2005San Bernardino County, California

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 30, 2005, 2:04 PM PDT for San Bernardino County, California. It was in force for 42 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 30, 2005, 2:04 PM PDT (21:04 UTC)
Expired
Jul 30, 2005, 2:46 PM PDT
In force
42 min
Issued by
NWS Las Vegas, NV
Area
Counties, with a storm outline in the text

County San Bernardino County, CA

The nearest sounding before it

Edwards AFB, CA (KEDW), launched 12:00Z, 9.1 hours before the alert went out and 135 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.

Skew-T log-pSkew-T log-p diagram, Edwards AFB, CA at 12:00Z on 2005-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Edwards AFB, CA at 12:00Z on 2005-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3384 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KVEF 302105
SVRVEF
CAC071-302145-
/O.NEW.KVEF.SV.W.0039.050730T2104Z-050730T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
204 PM PDT SAT JUL 30 2005

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

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

* UNTIL 245 PM PDT

* AT 203 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  BAND OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE 
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS WERE 
  LOCATED ALONG INTERSTATE 40 ABOUT 12 MILES WEST OF LUDLOW...OR 
  ABOUT 31 MILES EAST OF DAGGETT...AND MOVING NORTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTHWEST OF LUDLOW BY 245 PM PDT(245 PM MST)

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...DANGEROUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3470 11651 3457 11637 3476 11604 3495 11624

$$

MORGAN
2 follow-up statements
000 
WWUS55 KVEF 302121
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
221 PM PDT SAT JUL 30 2005

CAC071-302145-
/O.CON.KVEF.SV.W.0039.000000T0000Z-050730T2145Z/
SAN BERNARDINO CA-
221 PM PDT SAT JUL 30 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 245 PM PDT FOR 
CENTRAL SAN BERNARDINO COUNTY...

AT 219 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 6 MILES NORTHWEST OF LUDLOW...OR ABOUT 36 MILES EAST OF 
DAGGETT...MOVING NORTHEAST AT 10 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL CENTRAL SAN BERNARDINO COUNTY AT 230 PM PDT(230 PM MST)

A CALTRANS OFFICIAL REPORTED HAIL UP TO ONE INCH IN DIAMETER ON 
INTERSTATE 40 BETWEEN NEWBERRY SPRINGS AND LUDLOW WITH THIS STORM. 
IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO 
PROTECT LIFE AND PROPERTY.

LAT...LON 3470 11651 3457 11637 3476 11604 3495 11624

$$

MORGAN
000 
WWUS55 KVEF 302146
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
246 PM PDT SAT JUL 30 2005

CAC071-302155-
/O.EXP.KVEF.SV.W.0039.000000T0000Z-050730T2145Z/
SAN BERNARDINO CA-
246 PM PDT SAT JUL 30 2005

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SAN BERNARDINO COUNTY 
EXPIRED AT 245 PM PDT...

AT 245 PM PDT...DOPPLER RADAR INDICATED THAT THUNDERSTORMS JUST 
SOUTH OF INTERSTATE 40 BETWEEN NEWBERRY SPRINGS AND LUDLOW WERE 
SLOWLY WEAKENING. THESE STORMS WILL LIKELY PRODUCE TORRENTIAL 
RAIN...BUT THE THREAT OF LARGE HAIL AND HIGH WIND HAS DIMINISHED.

LAT...LON 3470 11651 3457 11637 3476 11604 3495 11624

$$

MORGAN

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 29, 8:55 PM PDTSevere Thunderstorm WarningVEFSan Bernardino50 min
Jul 29, 9:56 PM PDTSevere Thunderstorm WarningVEFSan Bernardino52 min
Jul 30, 1:14 PM PDTSevere Thunderstorm WarningVEFSan Bernardino46 min
Jul 30, 3:05 PM PDTSevere Thunderstorm WarningVEFSan Bernardino40 min
Jul 30, 3:57 PM PDTSevere Thunderstorm WarningVEFSan Bernardino48 min

Nearby

Severe Thunderstorm Warnings in California, 2005Every severe thunderstorm warning in 2005

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.