Alert archive / Nevada / Flash Flood Warnings in 2003
Flash Flood Warning 27, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 19, 2003, 4:29 PM PDT for Clark County, Nye County, Nevada; Inyo County, San Bernardino County, California. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 19, 2003, 4:29 PM PDT (23:29 UTC)
- Expired
- Aug 19, 2003, 6:30 PM PDT
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Counties, with a storm outline in the text
Counties Inyo County, CA, San Bernardino County, CA, Clark County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 82 km from the middle of the area, began a volume at 23:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 11.5 hours before the alert went out and 82 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
- 3406 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KVEF 192331 FFWVEF CAC027-071-NVC003-023-200130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 429 PM PDT TUE AUG 19 2003 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA EXTREME SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA WEST CENTRAL CLARK COUNTY IN SOUTHERN NEVADA * UNTIL 630 PM PDT * AT 429 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN 5 MILES SOUTHWEST OF SANDY VALLEY...MOVING NORTHEAST AT 20 MPH. A SPOTTER IN SANDY VALLEY HAS REPORTED THAT VERY HEAVY RAIN IS CONTINUING TO FALL IN THE SANDY VALLEY AREA...WITH RADAR INDICATING THE STORM MOVING TO THE NORTHEAST. FLOODING OF LOW LAYING AREAS...DRAINAGES AND ROADWAYS IS LIKELY WITH THIS STORM AND RESIDENCES ARE URGE TO USE CAUTION AND TAKE ANY PRECAUTIONS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND. LAT...LON 3597 11599 3559 11561 3579 11538 3621 11588 $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:48 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Aug 19, 3:57 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 48 min |
| Aug 19, 4:26 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Nye | 49 min |
Nearby
Flash Flood Warnings in Nevada, 2003Flash Flood Warnings in California, 2003Every flash flood warning in 2003
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; radar from the NEXRAD Level II archive.