Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 63, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Nov 22, 1996, 4:10 PM MST for Mohave County, Arizona. It was in force for 65 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
- Nov 22, 1996, 4:10 PM MST (23:10 UTC)
- Expired
- Nov 22, 1996, 5:15 PM MST
- In force
- 65 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Mohave County, AZ
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 11.2 hours before the alert went out and 185 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
- 853 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 313 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 222313 FFWLAS AZC015-230015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 310 PM PST (410 PM MST) FRI NOV 22 1996 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM PST (515 PM MST) FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN NORTHWEST ARIZONA ...EASTERN MOHAVE COUNTY AT 3 PM...LAS VEGAS DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG HIGHWAY 66 FIFTEEN MILES NORTHEAST OF KINGMAN AND 10 MILES WEST OF KINGMAN. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MPH. SEVERAL FUNNEL CLOUDS HAVE BEEN REPORTED BY THE PUBLIC BRIEFLY TOUGHCING THE GROUND WITH THESE STORMS. FLASH FLOODING HAS ALSO BEEN OBSERVED WITH WASHES FLOODING NEAR GOLDEN VALLEY NORTHWEST OF KINGMAN. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. 8FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. KOSIER
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Nov 22, 3:46 PM MST, 24 minutes earlier.
Area forecast discussion, Nov 22, 3:46 PM MST, 24 minutes before
MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 235 PM PST FRI NOV 22 1996 STEEP LAPSE RATES AND GOOD VERT SHEAR HAS RESULTED IN SOME STG CNVTN THIS MRNG AND EARLY AFTN OVR PARTS OF SRN NV AND NW AZ. HAD SOME REPORTS OF SMALL HAIL EARLIER AND MESO WAS TRIGGERED ON STM W OF LAUGHLIN WHERE ROTN WAS ENHCD BY PROXIMITY OF SFC FNTL ZONE. A FEW STG TSTMS STILL DVLPG IN CNTRL MOHAVE COUNTY ALG NOSE OF MID LVL DRY PROD WHERE MESO-ETA DEPICTS CAPES OF 1000-1500 J/KG. NEW DVLPMT ALSO BEING GENERATED ACRS LINCOLN COUNTY NV WHERE STG DFRNTL PVA OVRSPRDS H7 CNVRGC ZONE. NXT UPSTRM VORT CNTR DIVING TWD BASE OF TROF NOT EXPCD TO PRODUCE MUCH OF A PCPN THREAT ACRS CWA SINCE MOST OF THE DEEP MSTR HAS BEEN SWEPT E AND UVV WILL BE CONFINED TO A FAIRLY SHALLOW LYR ONCE IT CROSSES THE SIERRA CREST. LOTS OF RAIN WATER WAS LAID DOWN OVR LAST 24HRS IN SRN NV BUT DRAINAGE WNDS SHD BE STEADY ENUF TO KEEP LO-LVL MSTR MXD OUT AND PREVENT FOG EXCPT PSBLY IN PAHRUMP AND MOAPA VALLEYS. TREND WILL BE FOR GEN IMPRVMT NXT COUPLE DAYS AS HGTS RISE. RESPONSE OF THKNS WILL BE SOMEWHAT SLOWER SO NOT LOOKING FOR BIG WARMUP OVR WEEKEND. DONT SEE CHC FOR MORE PCPN IN XTDD BEFORE TUE/WED. LAS 0000. RUNK
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 5:09 PM MST | Flash Flood Warning | VEF | Mohave | 66 min |
| Nov 21, 5:09 PM MST | Tornado Warning | VEF | Mohave | 66 min |
| Nov 22, 4:10 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 65 min |
Nearby
Flash Flood Warnings in Arizona, 1996Every flash flood 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.