Alert archive / Nevada / Flash Flood Warnings in 2016
Flash Flood Warning 43, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 31, 2016, 6:37 PM PDT for Lincoln 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
- Jul 31, 2016, 6:37 PM PDT (01:37 UTC)
- Expired
- Jul 31, 2016, 9:30 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Lincoln County, NV
The radar
The Las Vegas radar (KESX), 170 km from the middle of the area, began a volume at 01:37 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 00:00Z, 1.6 hours before the alert went out and 104 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
- 572 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 2999 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
165 WGUS55 KVEF 010137 FFWVEF NVC017-010430- /O.NEW.KVEF.FF.W.0043.160801T0137Z-160801T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 637 PM PDT SUN JUL 31 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 930 PM PDT * AT 634 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS ALONG STATE HIGHWAY 93 SOUTH OF ALAMO. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ALAMO...STATE HIGHWAY 93...KANE SPRINGS ROAD... ALAMO ROAD AND PAHRANAGAT WILDLIFE REFUGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3741 11493 3694 11484 3695 11522 3740 11529 $$ JS
2 follow-up statements
526 WGUS75 KVEF 010317 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 817 PM PDT SUN JUL 31 2016 NVC017-010430- /O.CON.KVEF.FF.W.0043.000000T0000Z-160801T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN NV- 817 PM PDT SUN JUL 31 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM PDT FOR SOUTH CENTRAL LINCOLN COUNTY... AT 815 PM PDT...DOPPLER RADAR INDICATED THAT MUCH OF THE HEAVY RAIN OVER THE WARNED AREA HAS MOVED EAST. HOWEVER, ITS LIKELY THAT RUNOFF WILL LEAD TO A CONTINUED FLASH FLOOD THREAT. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ALAMO AND PAHRANAGAT WILDLIFE REFUGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3741 11493 3694 11484 3695 11522 3740 11529 $$ ASG
488 WGUS75 KVEF 010426 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 926 PM PDT SUN JUL 31 2016 NVC017-010435- /O.EXP.KVEF.FF.W.0043.000000T0000Z-160801T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN NV- 926 PM PDT SUN JUL 31 2016 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL LINCOLN COUNTY WILL EXPIRE AT 930 PM PDT... DOPPLER RADAR HAS INDICATED THAT THE HEAVY RAIN HAS ENDED. HOWEVER, RUNOFF FROM EARLIER HEAVY RAIN MAY STILL CAUSE SOME MINOR PONDING ON AREA ROADS INCLUDING HIGHWAY 93 AND KANE SPRINGS ROAD. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES, IF THEY EXIST. LAT...LON 3741 11493 3694 11484 3695 11522 3740 11529 $$ ASG
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 5:19 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 41 min |
| Jul 31, 5:52 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 3 hr |
| Jul 31, 7:28 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Aug 1, 2:33 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln | 26 hr |
| Aug 1, 2:47 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 1, 4:43 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 47 min |
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.