Alert archive / Nevada / Flash Flood Warnings in 1993
Flash Flood Warning 1, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jan 17, 1993, 2:46 PM PST for Clark County, Nevada. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- Jan 17, 1993, 2:46 PM PST (22:46 UTC)
- Expired
- Jan 17, 1993, 4:45 PM PST
- In force
- 119 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Clark County, NV
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.8 hours before the alert went out and 99 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
- 120 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 126 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 172248 FFWLAS NVC003-180045- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 246 PM PST SUN JAN 17 1993 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 445 PM PST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH NEVADA ...CLARK COUNTY HEAVY RAIN SHOWERS HAVE BEEN REPORTED ON THE NORTHWEST SIDE OF LAS VEGAS. AUTOMATIC RAIN GAUGES HAVE RECORDED OVER AN INCH OF RAIN IN LESS THAN AN HOUR. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TtRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. DJR/2248Z
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.
In the hours before
Special weather statement, Jan 17, 12:00 PM PST, 2 hours 46 minutes before
NVZ008-009-172100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 12 NOON PST SUN JAN 17 1993 ...DENSE FOG ADVISORY FOR EXTREME SOUTHERN NEVADA HAS EXPIRED... THE DENSE FOG ADVISORY ISSUED BY THE NATIONAL WEATHER SERVICE FOR EXTREME SOUTHERN NEVADA HAS EXPIRED. VISIBILITIES WERE REDUCED TO NEAR ZERO THIS MORNING AROUND THE LAS VALLEY AND IN THE SURROUNDING COMMUNITIES THROUGHOUT SOUTHERN NEVADA. THE VISIBILITY DROPPED TO ZERO AT MCCARRAN INTERNATIONAL AIRPORT EARLY THIS MORNING. ALTHOUGH THERE ARE STILL A FEW AREAS OF LIGHT FOG AROUND SOUTHERN NEVADA...VISIBILITIES HAVE IMPROVED AND CONDITIONS NO LONGER WAR- RANT A DENSE FOG ADVISORY. LISTEN TO COMMERCIAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. DJR/2000Z
Special weather statement, Jan 17, 12:19 PM PST, 2 hours 27 minutes before
NVZ008-009-172100- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE LAS VEGAS NV 12 NOON PST SUN JAN 17 1993 ...DENSE FOG ADVISORY FOR EXTREME SOUTHERN NEVADA HAS EXPIRED... THE DENSE FOG ADVISORY ISSUED BY THE NATIONAL WEATHER SERVICE FOR EXTREME SOUTHERN NEVADA HAS EXPIRED. VISIBILITIES WERE REDUCED TO NEAR ZERO THIS MORNING AROUND THE LAS VEGAS VALLEY AND IN THE SURROUNDING COMMUNITIES THROUGHOUT SOUTHERN NEVADA. THE VISIBILITY DROPPED TO ZERO AT MCCARRAN INTERNATIONAL AIRPORT EARLY THIS MORNING. ALTHOUGH THERE ARE STILL A FEW AREAS OF LIGHT FOG AROUND SOUTHERN NEVADA...VISIBILITIES HAVE IMPROVED AND CONDITIONS NO LONGER WAR- RANT A DENSE FOG ADVISORY. LISTEN0 TO COMMERCIAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. DJR/2019Z
Nearby
Flash Flood Warnings in Nevada, 1993Every flash flood warning in 1993
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.