Flash Flood Warning 39, NWS Las Vegas, NV

MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
245 PM PDT WED SEP 4 1996

ISOLD SHWRS/TSTMS ATTM CONFINED TO XTRM SRN NV/NW AZ.  OTHW P/C
SKIES ACRS S CNTRL NV IN AREA OF UVV AHD OF PAC NW TROF.  WND ADV
WORKING OUR WELL...TST SITE WNDS GUSTED TO AS HI AS 45 MPH SO FAR.
AGN MDLS SIMILAR IN SWINGING STG VORT CNTR THRU NRN CA TNGT.  SYS
WKNS/SHEARS NEWD ACRS NRN ROCKY MTN STATES THU/FRI.  AGN DILEMMA IS
WHERE LOW LVL MSTR ACRS CO RVR WILL ALIGN NXT TWO DAYS.  HAVE
DISCOUNTED ETA ATTM AS BLV LOW LVL MSTR INTRUSION TO FAR W INTO SRN
NV UNDR STRENGTHENING SWLY FLO.  LIKE THE IDEA OF THE NGM OF
KEEPING AXIS OF MSTR/INSTABILITY ALIGNED N-S ALNG ERN (BRDR WITH
UT/AZ.  LATER SHFTS WL NEED TO WATCH FOR POSSIBLE FLUCTUATIONS IN
MSTR BNDRY FRI.  OTHW HGHTS/THKN FALL FOR COOLER TEMPS...WNDS WILL
SUBSIDE THRU THE PD AS GRADIENTS RELAX AS TROF WKNS.  LAS 0000.
PIERCE

NVZ009-AZZ002-042350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
246 PM PDT (246 PM MST) WED SEP 4 1996

...STRONG THUNDERSTORMS NEAR WILLOW BEACH IN LAKE MEAD RECREATION
   AREA...

AT 240 PM...LAS VEGAS DOPPLER RADAR INDICATED VERY STRONG
THUNDERSTORMS EXTENDING FROM NEAR WILLOW BEACH SOUTHWEST TO
NEAR NIPTON CALIFORNIA.

THE THUNDERSTORMS WERE MVING TO THE NORTHEAST AT 15 MPH AND
WILL MOVE THROUGH THE WILLOW BEACH AREA DURING THE NEXT HOUR.
THE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF LOCALLY HEAVY
RAIN...SMALL HAIL AND WIND GUSTS TO NEAR 50 MPH.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE $TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

KOSIER

NVZ009-AZZ002-050015-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE LAS VEGAS NV
420 PM PDT/MST WED SEP 4 1996

...ISOLATED STRONG THUNDERSTORMS OVER EXTREME SOUTHERN NEVADA AND
NORTHWEST ARIZONA...

AT 415 PM...LAS VEGAS DOPPLER RADAR DETECTED ISOLATED STRONG
THUNDERSTORMS WITHIN THE LAKE MEAD NATIONAL RECREATION AREA OF
EXTREME SOUTHERN NEVADA AND NORTHWEST ARIZONA.  THE STRONGEST
THUNDERSTORM WAS CROSSING LAKE MOHAVE...BETWEEN WILLOW BEACH AND
COTTONWOOD COVE.  STORM MOVEMENT IS TO THE NORTHEAST AT 20 MPH.

THESE STORMS HAVE A HISTORY OF PRODUCING LOCALLY HEAVY RAINS AND
GUSTY WINDS.  AN EARLY STORM THAT PASSED OVER THE WILLOW BEACH
REGION PRODUCED AROUND THREEE TENTHS OFd AN INCH /0.31/ IN 40
MINUTES.

MOTORISTS TRAVELING ALONG HIGHWAY 93 BETWEEN HOOVER DAM AND KINGMAN
SHOULD BE PREPARED FOR BRIEF HEAVY RAINS AND PONDING OF WATER ON
THE HIGHWAY.

PIERCE

CAZ019-050140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
439 PM PDT WED SEP 4 1996

...ISOLATED STRONG THUNDERSTORMS OVER CENTRAL SAN BERNARDINO
   COUNTY...

AT 435 PM...LAS VEGAS DOPPLER RADAR INDICATED ISOLATED VERY STRONG
THUNDERSTORMS OVER CENTRAL SAN BERNARDINO COUNTY JUST SOUTH OF
INTERSTATE HIGHWAY 40 NEAR THE TOWN OF AMBOY.  OTHER STRONG
THUNDERSTORMS WERE ALONG INTERSTATE 15 BETWEEN BARSTOW AND BAKER.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 15 MPH.  THE
THUNDERSTORMS WILL DIMINISH SHORTLY AFTER SUNSET.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

KOSIER

CAZ019-050255-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
551 PM PDT WED SEP 4 1996

...SCATTERED VERY STRONG THUNDERSTORMS CONTINUE OVER SOUTHERN
   SAN BERNARDINO COUNTY...

AT 545 PM...LAS VEGAS DOPPLER RADAR INDICATED VERY STRONG
THUNDERSTORMS CONTINUING OVER SOUTH CENTRAL SAN BERNARDINO
COUNTY EXTENDING FROM NEAR INTERSTATE HIGHWAY 40 NEAR THE TOWN
OF ESSEX SOUTHWEST TO 25 MILES NORTHEAST OF TWENTYNINE PALMS.

MOVEMENT OF THE INDIVIDUAL CELLS IS NORTHEAST AT 20 MPH WHILE THE
AREA WAS MOVING TO THE EAST ABOUT 10 MPH.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS.

KOSIER

NVZ009-050200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
615 PM PDT WED SEP 4 1996

...STRONG THUNDERSTORM DEVELOPS ACROSS EXTREME SOUTHERN NEVADA...

AT 610 PM PDT...LAS VEGAS DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER THE MCCULLOUGH RANGE...8 MILES NORTHWEST OF
SEARCHLIGHT.  MOVEMENT WAS TO THE NORTHEAST AT 20 MPH.

MOTORIST TRAVELING HIGHWAY 95 BETWEEN BOULDER CITY AND SEARCHLIGHT
SHOULD BE PREPARED FOR LOCALLY HEAVY RAIN AND GUSTY WINDS.

THERE IS ALSO A CHANCE OF RESTRICTED VISIBILITY IN BLOWING DUST AND
SAND OFF THE DRY LAKE BED.

THE STORM WILL MOVE INTO THE LAKE MEAD NATIONAL RECREATION AREA
NEAR WILLOW BEACH WITHIN THE NEXT HALF HOUR.  BOATERS ON LAKE
MOHAVE SHOULD BEGIN TO SEEK SAFE HARBOR IMMEDIATELY.

PIERCE