Alert archive / Nevada / Flash Flood Warnings in 2012
Flash Flood Warning 124, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 18, 2012, 4:18 PM PDT for Nye County, Nevada. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 18, 2012, 4:18 PM PDT (23:18 UTC)
- Expired
- Aug 18, 2012, 5:11 PM PDT
- In force
- 53 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Nye County, NV
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 18, 5:04 PM PDT | HEAVY RAIN 1 | Se Beatty, NV | SPOTTER REPORTS 3 INCHES OF WATER FLOWING DOWN 2ND ST IN BEATTY. ABOUT 1 INCH OF RAIN FELL IN THE HOUR FROM 4 TO 5 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 11.3 hours before the alert went out and 131 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
- 33 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 2227 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
829 WGUS55 KVEF 182318 FFWVEF NVC023-190115- /O.NEW.KVEF.FF.W.0124.120818T2318Z-120819T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 418 PM PDT SAT AUG 18 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 615 PM PDT. * AT 413 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR BEATTY. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... BEATTY AND HIGHWAY 95 BETWEEN NYE COUNTY MILE MARKERS 58 AND 72. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3703 11690 3708 11668 3693 11669 3680 11688 $$ MORGAN
1 follow-up statement
994 WGUS75 KVEF 190011 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 511 PM PDT SAT AUG 18 2012 NVC023-190020- /O.CAN.KVEF.FF.W.0124.000000T0000Z-120819T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 511 PM PDT SAT AUG 18 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTH CENTRAL NYE COUNTY... AT 510 PM PDT...RADAR INDICATED THUNDERSTORMS MOVING SOUTH AWAY FROM THE BEATTY AREA. A SPOTTER IN BEATTY REPORTED THREE INCHES OF WATER HAD BEEN RUNNING DOWN SECOND STREET...BUT THIS HAD SUBSIDED AS THE RAIN ENDED. NO ADDITIONAL FLOODING IS EXPECTED...SO THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 3703 11690 3708 11668 3693 11669 3680 11688 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:32 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 4 hr |
| Aug 17, 11:39 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Aug 18, 12:01 PM PDT | Areal Flood Advisory | VEF | Clark | 119 min |
| Aug 18, 2:00 PM PDT | Areal Flood Advisory | VEF | Nye | 2 hr |
| Aug 18, 3:26 PM PDT | Areal Flood Advisory | VEF | Clark, Nye | 54 min |
| Aug 18, 3:39 PM PDT | Flash Flood Warning | VEF | Clark | 63 min |
| Aug 18, 4:24 PM PDT | Flash Flood Warning | VEF | Nye | 96 min |
Nearby
Flash Flood Warnings in Nevada, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.