Alert archive / Nevada / Flash Flood Warnings in 2016
Flash Flood Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Apr 9, 2016, 3:38 PM PDT for Clark County, Nevada. It was in force for 3 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
- Apr 9, 2016, 3:38 PM PDT (22:38 UTC)
- Expired
- Apr 9, 2016, 6:30 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Clark County, NV
The radar
The Las Vegas radar (KESX), 55 km from the middle of the area, began a volume at 22:38 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
Las Vegas, NV (KVEF), launched 12:00Z, 10.6 hours before the alert went out and 45 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
- 27 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
003
WGUS55 KVEF 092238
FFWVEF
NVC003-100130-
/O.NEW.KVEF.FF.W.0003.160409T2238Z-160410T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
338 PM PDT SAT APR 9 2016
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...
* UNTIL 630 PM PDT
* AT 336 PM PDT...DOPPLER RADAR INDICATED ANOTHER ROUND OF
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE LAS VEGAS VALLEY.
MORE STORMS WERE MOVING IN FROM THE SOUTH...WHICH WILL ONLY WORSEN
ONGOING FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...THE LAS
VEGAS VALLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD
CHANNEL. TURN AROUND...DONT DROWN! REPORT FLOODING TO THE LAS VEGAS
NATIONAL WEATHER SERVICE VIA FACEBOOK OR TWITTER.
&&
LAT...LON 3631 11494 3593 11489 3594 11539 3635 11537
$$
MORGAN3 follow-up statements
322 WGUS75 KVEF 092310 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 410 PM PDT SAT APR 9 2016 NVC003-100130- /O.CON.KVEF.FF.W.0003.000000T0000Z-160410T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK NV- 410 PM PDT SAT APR 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR CENTRAL CLARK COUNTY... AT 408 PM PDT...DOPPLER RADAR INDICATED A BREAK IN THE RAIN OVER THE LAS VEGAS VALLEY. HOWEVER...MORE RAIN WAS MOVING INTO HENDERSON...AND MORE STORMS WERE MOVING NORTH TOWARD SLOAN. IF THESE STORMS HOLD TOGETHER...THEY WOULD BRING MORE RAIN TO THE CENTRAL AND WESTERN PORTIONS OF THE LAS VEGAS VALLEY. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... THE LAS VEGAS VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD CHANNEL. TURN AROUND...DONT DROWN! REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA FACEBOOK OR TWITTER. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3631 11494 3593 11489 3594 11539 3635 11537 $$ MORGAN
264 WGUS75 KVEF 100004 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 504 PM PDT SAT APR 9 2016 NVC003-100130- /O.CON.KVEF.FF.W.0003.000000T0000Z-160410T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK NV- 504 PM PDT SAT APR 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR CENTRAL CLARK COUNTY... AT 502 PM PDT...DOPPLER RADAR INDICATED MORE RAIN OVER THE SOUTHERN AND EASTERN PARTS OF THE LAS VEGAS VALLEY SPREADING NORTH ACROSS THE VALLEY. THE ADDITIONAL RAIN WILL LIKELY CAUSE MORE FLOODING SINCE THE GROUND IS ALREADY SATURATED. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... THE LAS VEGAS VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD CHANNEL. TURN AROUND...DONT DROWN! REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA FACEBOOK OR TWITTER. && LAT...LON 3631 11494 3593 11489 3594 11539 3635 11537 $$ MORGAN
431 WGUS75 KVEF 100100 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 600 PM PDT SAT APR 9 2016 NVC003-100109- /O.CAN.KVEF.FF.W.0003.000000T0000Z-160410T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK NV- 600 PM PDT SAT APR 9 2016 ...THE FLASH FLOOD WARNING FOR CENTRAL CLARK COUNTY IS CANCELLED... THUNDERSTORMS WEAKENED BEFORE MOVING INTO LAS VEGAS...AND WERE ONLY PRODUCING LIGHT RAIN OVER THE VALLEY. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. MORE THUNDERSTORMS WERE DEVELOPING NEAR SEARCHLIGHT...AND COULD REACH LAS VEGAS THIS EVENING. LAT...LON 3631 11494 3593 11489 3594 11539 3635 11537 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 11:39 AM PDT | Areal Flood Advisory | VEF | Clark, Lincoln | 3 hr |
| Apr 9, 12:48 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Apr 9, 1:10 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
Nearby
Flash Flood Warnings in Nevada, 2016Every flash flood warning in 2016
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.