Alert archive / Nevada / Flash Flood Warnings in 2007
Flash Flood Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 24, 2007, 3:27 PM PDT for Clark County, Nevada. 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 counties it named.
The facts
- Issued
- Jul 24, 2007, 3:27 PM PDT (22:27 UTC)
- Expired
- Jul 24, 2007, 5:30 PM PDT
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Clark County, NV
The radar
The Las Vegas radar (KESX), 58 km from the middle of the area, began a volume at 22:29 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, 10.5 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
- 15 J/kg
- Mixed-layer CIN
- -213 J/kg
- Mixed-layer LCL
- 1983 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 45 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 242229 FFWVEF NVC003-250030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 327 PM PDT TUE JUL 24 2007 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CLARK COUNTY IN SOUTHERN NEVADA... * UNTIL 530 PM PDT. * AT 318 PM PDT...RADAR INDICATED A THUNDERSTORM WITH HEAVY RAIN DEVELOPING NEAR SPRING MOUNTAIN RANCH. THIS STORM IS EXPECTED TO AFFECT THE WESTERN PORTIONS OF THE LAS VEGAS VALLEY AS IT MOVES NORTH AT AROUND 5 MPH. * OTHER LOCATIONS IMPACTED INCLUDE...RED ROCK CANYON...SPRING MOUNTAIN RANCH...SUMMERLIN AND THE LAKES. LAT...LON 3606 11547 3603 11526 3629 11524 3634 11557 $$ RUNK
1 follow-up statement
000 WGUS75 KVEF 242310 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 405 PM PDT TUE JUL 24 2007 NVC003-250030- CLARK NV- 405 PM PDT TUE JUL 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR CENTRAL CLARK COUNTY... AT 345 PM PDT...THE PUBLIC REPORTED A THUNDERSTORM HAD PRODUCED ALMOST A HALF-INCH OF RAIN IN 10 MINUTES WITH CURB-HIGH RUNOFF NEAR HUALAPAI AND PATRICK AVENUES. A HALF-INCH WAS ALSO RECORDED AT TWO GAGES ALONG BLUE DIAMOND RIDGE AND A GAGE ON KYLE CANYON ROAD SHOWS 0.79 INCHES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES... DRAINAGE AREAS...HIGHWAYS...STREETS AND LOW WATER CROSSINGS. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. LAT...LON 3606 11547 3603 11526 3629 11524 3634 11557 $$ RUNK
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 9:01 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 13 hr |
| Jul 24, 3:44 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
Nearby
Flash Flood Warnings in Nevada, 2007Every flash flood warning in 2007
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.