Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 39, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 9, 1996, 6:46 PM MST for Mohave County, Arizona; San Bernardino County, California. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1996, 6:46 PM MST (01:46 UTC)
- Expired
- Aug 9, 1996, 7:30 PM MST
- In force
- 44 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
Counties Mohave County, AZ, San Bernardino County, CA
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 1.8 hours before the alert went out and 176 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
- 210 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 3952 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLAS 100152
SVRLAS
AZC015-CAC071-100230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
646 PM PDT (646 PM MST) FRI AUG 9 1996
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM PDT (730 PM MST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN NORTHWEST ARIZONA
...EXTREME WESTERN MOHAVE COUNTY
INCLUDING LAKE HAVASU CITY
IN EASTERN CALIFORNIA
...EXTREME EASTERN SAN BERNARDINO COUNTY
INCLUDING NEEDLES
THIS REPLACES THE WARNING ISSUED EARLIER FOR SOUTHWEST MOHAVE COUNTY
AT 645 PM PDT/MST...LAS VEGAS DOPPLER RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS IN EXTREME WESTERN MOHAVE COUNTY AZ...MOVING
SOUTHWEST AT 10-15 MPH. DAMAGING WINDS ARE LIKELY AS THESE STORMS
MOVE THROUGH NEEDLES CA AND LAKE HAVASU AZ WITHIN THE NEXT 15-30
MINUTES.
A WEATHER SPOTTER AT YUCCA ESTIMATED WIND GUSTS OF 40-50 MPH AS THE
STORMS MOVED THROUGH THAT AREA AROUND 635 PM PDT/MST.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 57 MPH...
DEADLY LIGHTNING...AND HEAVY RAIN. WIND DRIVEN DUST MAY REDUCE
VISIBILITY TO NEAR ZERO AT TIMES. IF THREATENING WEATHER A PPROACHES
MOVE TO SHELTER IMMEDIATELY.
RUNKWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 9, 1:48 PM MST, 4 hours 58 minutes earlier.
Area forecast discussion, Aug 9, 1:48 PM MST, 4 hours 58 minutes before
MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 200 PM PDT FRI AUG 9 1996 STORMS OVR ZONE 8 ALREADY SHOWING SIGNS OF WEAKENING ACRS THE N IN DRY MORE STABLE NLY FLOW. IN SRN PTN OF ZONE 8 SOME STORMS ARE CONTG BUT NOT INCREASING. STRONGER STORMS INDICATED OVR SW UT AND CNTRL AZ. STORMS JUST BEGINNING TO FORM OVR NW AZ. WL KEEP WIDELY SCT TSTMS OVR MOST OF SRN NV/NW AZ TNGT WITH A LITTLE MORE COVERAGE IN DEEPER MSTR ACRS ZONE 3 IN AZ. UPR HI STILL SEEMS TO BE OVR NRN LINCOLN COUNTY BUT CU FIELD INDICATES THE H7 HI IS OVR WCNTRL NV. LAS 88D SHOWS NLY FLOW IN LOWEST 10K BUT RAMSDIS SHOWS HYR CLOUD ELEMENTS MOVG WWD ACRS CLARK COUNTY. ETA PROBABLY HAS BEST ANALYSIS THIS MRNG WITH WK VORT OVR SRN AZ AND GENERALLY USED AS GUIDANCE. ALL MODELS THOUGH SHOW LOW LVL MSTR INC ACRS SRN MOHAVE COUNTY AND EXTREME SRN CLARK COUNTY THE NXT 24HRS. H8 THETA-E RDG QUITE PREVALENT OVR THIS AREA TMW AFTN AND EVEN INTO SUN. UPR FLOW INITIALLY GOES NE BUT EVENTUALLY TURNS SE AGAIN LATE IN THE WKND. MSTR TO INC OVR EXTREME S AND ALSO ACRS ERN CA AND EXTREME WRN NV TMW INTO SUNDAY. AS HI SHIFTS BACK TO 4-CORNERS SUN INTO MON MSTR SHD INC AGAIN FARTHER EWD THRU ALL OF CLARK AND LINCOLN COUNTY. WL HIT SRN MOHAVE HARDEST NXT 2 DAYS BUT OTHER AREAS STILL SUSCEPTIBLE TO HIGH BASED CONVECTION AND STRONG WIND GUSTS. SRN TIP OF NV WL ALSO HAVE TO BE WATCHED FOR STRONGER STORMS. MONSOOTN CONTS INTO EXTENDED PD AND WIDELY SCT POPS FOR LOWER ELE AND SCT MTNS LUKS GOOD. LAS 1122. SKRBAC
In the hours before
Special weather statement, Aug 9, 2:58 PM MST, 3 hours 48 minutes before
NVZ008-009-AZZ001>003-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 258 PM PDT (258 PM MST) FRI AUG 9 1996 ...THUNDERSTORMS DEVELOPING OVER PORTIONS OF SOUTHERN NEVADA AND NORTHWEST ARIZONA... WIDELY SCATTERED THUNDERSTORMS HAD DEVELOPED OVER PORTIONS OF LINCOLN AND CLARK COUNTIES IN SOUTHERN NEVADA AND MOHAVE COUNTY IN NORTHWEST ARIZONA. THESE STORMS WERE PRODUCING STRONG GUSTY WINDS BUT LITTLE RAINFALL. AROUND 235 PM PDT...PIPE SPRINGS NATIONAL MONUMENT IN EXTREME NORTHERN MOHAVE COUNTY OF ARIZONA ESTIMATED WIND GUSTS TO 40 MPH WHEN ONE OF THESE STORMS PASSED BY. ANY THUNDERSTORMS ACROSS SOUTHERN NEVADA AND NORTHWEST ARIZONA WILL BE CAPABLE OF PRODUCING GU6STY WINDS AND DEADLY LIGHTNING INTO THIS EVENING. PEOPLE SHOULD KEEP WATCH ON THE WEATHER AND TAKE SHELTER IF A STORM APPROACHES YOUR AREA. PHS
Special weather statement, Aug 9, 4:53 PM MST, 1 hour 53 minutes before
AZZ001>003-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 455 PM PDT/MST FRI AUG 9 1996 ...THUNDERSTORMS CONTINUE OVER PORTIONS OF NORTHWEST ARIZONA... AT 455 PM PDT/MST....LAS VEGAS DOPPLER RADAR INDICATED WIDELY SCATTERED THUNDERSTORMS CONTINUING OVER SECTIONS OF MOHAVE COUNTY IN NORTHWEST ARIZONA. THE STRONGEST STORM WAS LOCATED NEAR HIGHWAY 93 IN THE VICINITY OF CHLORIDE...ABOUT 18 MILES NORTHWEST OF KINGMAN. OTHER STRONG STORMS WERE ORIENTED IN A LINE FROM 11 MILES NORTHEAST OF KINGMAN TO BAGDAD IN WESTERN YAVAPAI COUNTY. THESE STORMS WERE MOVING SOUTHWEST AT 15 MPH AND WERE PRODUCING VERY LITTLE RAIN BUT HAVE THE POTENTIAL TO GENERATE STRONG GUSTY WINDS AND DEADLY LIGHTNING. VISIBILITY MAY BRIEFLY BE REDUCED TO NEAR ZERO IN BLOWING DUST AND SUDDEN WIND GUSTS MAY MAKE IT DIFFICULT TO MAINTAIN CONTROL OF YOUR VEHICLE. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS KEEP AN EYE ON THE SKY AND MOVE TOr SHELTER WHEN STORMS APPROACH. RUNK
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:45 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 60 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1996Severe Thunderstorm Warnings in California, 1996Every severe thunderstorm warning in 1996
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.