Alert archive / Nevada / Flash Flood Warnings in 2012
Flash Flood Warning 130, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 19, 2012, 9:21 PM PDT for Lincoln County, Nevada. It was in force for 114 min. 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, 2012, 9:21 PM PDT (04:21 UTC)
- Expired
- Aug 19, 2012, 11:15 PM PDT
- In force
- 114 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Lincoln County, NV
The radar
The Cedar City radar (KICX), 158 km from the middle of the area, began a volume at 04:23 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, 4.4 hours before the alert went out and 130 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
- 125 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 3127 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
217 WGUS55 KVEF 200421 FFWVEF NVC017-200615- /O.NEW.KVEF.FF.W.0130.120820T0421Z-120820T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 921 PM PDT SUN AUG 19 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 1115 PM PDT. * AT 917 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR ELGIN...OR 22 MILES SOUTH OF CALIENTE. THE STORM PRODUCING VERY HEAVY RAIN WILL FLOOD THE ROAD WHICH LEADS FROM HIGHWAY 93 TO ELGIN. * LOCATIONS IMPACTED INCLUDE... ELGIN. 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 3736 11458 3734 11450 3715 11465 3715 11473 $$ MORGAN
2 follow-up statements
950 WGUS75 KVEF 200505 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1005 PM PDT SUN AUG 19 2012 NVC017-200615- /O.CON.KVEF.FF.W.0130.000000T0000Z-120820T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN NV- 1005 PM PDT SUN AUG 19 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM PDT FOR CENTRAL LINCOLN COUNTY... AT 1000 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT RAIN WAS ENDING IN THE KANE SPRINGS WASH. HOWEVER...ONE TO TWO INCHES OF RAIN FELL IN THE WASH NEAR ELGIN...AND THIS WATER WILL LIKELY CONTINUE TO FLOW DOWN KANE SPRINGS ROAD. LOCATIONS IMPACTED INCLUDE... KANE SPRINGS ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3736 11458 3734 11450 3715 11465 3715 11473 $$ MORGAN
001 WGUS75 KVEF 200606 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1106 PM PDT SUN AUG 19 2012 NVC017-200615- /O.EXP.KVEF.FF.W.0130.000000T0000Z-120820T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LINCOLN NV- 1106 PM PDT SUN AUG 19 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 PM PDT FOR CENTRAL LINCOLN COUNTY... AT 1105 PM PDT...RADAR INDICATED THAT RAIN HAD ENDED OVER THE KANE SPRINGS WASH. NO REPORTS OF FLOODING HAD BEEN RECEIVED...SO THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3736 11458 3734 11450 3715 11465 3715 11473 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 3:33 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 17 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.