Alert archive / Nevada / Flash Flood Warnings in 2012
Flash Flood Warning 98, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2012, 5:26 PM PDT for Nye County, Nevada. It was in force for 72 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 3, 2012, 5:26 PM PDT (00:26 UTC)
- Expired
- Aug 3, 2012, 6:38 PM PDT
- In force
- 72 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Nye County, NV
The radar
The Las Vegas radar (KESX), 124 km from the middle of the area, began a volume at 00:27 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, 0.4 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
- 35 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 3971 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
970 WGUS55 KVEF 040026 FFWVEF NVC023-040230- /O.NEW.KVEF.FF.W.0098.120804T0026Z-120804T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 526 PM PDT FRI AUG 3 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 730 PM PDT. * AT 523 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR KOA PAHRUMP...OR 9 MILES NORTH OF PAHRUMP. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... KOA PAHRUMP AND THE NORTH SIDE OF PAHRUMP. 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 3642 11613 3642 11591 3619 11591 3619 11611 $$ STACHELSKI
2 follow-up statements
031 WGUS75 KVEF 040115 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 615 PM PDT FRI AUG 3 2012 NVC023-040230- /O.CON.KVEF.FF.W.0098.000000T0000Z-120804T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 615 PM PDT FRI AUG 3 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM PDT FOR EXTREME SOUTH CENTRAL NYE COUNTY... AT 610 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED NEAR KOA PAHRUMP...OR 9 MILES NORTH OF PAHRUMP. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. RADAR ESTIMATES IN EXCESS OF TWO INCHES OF RAIN IN HOUR WERE SHOWN WITH THIS THUNDERSTORM. RUNOFF TO STATE ROUTE 160 MAY OCCUR FROM THIS STORM. LOCATIONS IMPACTED INCLUDE... THE NORTH SIDE OF PAHRUMP. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3642 11613 3642 11591 3619 11591 3619 11611 $$ STACHELSKI
987 WGUS75 KVEF 040138 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 638 PM PDT FRI AUG 3 2012 NVC023-040147- /O.CAN.KVEF.FF.W.0098.000000T0000Z-120804T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 638 PM PDT FRI AUG 3 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED THE NORTH SIDE OF PAHRUMP FOR EXTREME SOUTH CENTRAL NYE COUNTY... THUNDERSTORMS HAVE WEAKENED AND MOVED AWAY FROM THE NORTH SIDE OF PAHRUMP. THEREFORE THE THREAT OF ADDITIONAL HEAVY RAIN HAS ENDED. ANY RUNOFF FROM EARLIER RAINFALL SHOULD BE SUBSIDING. THEREFORE THE FLASH FLOOD WARNING FOR THIS AREA HAS BEEN CANCELLED. LAT...LON 3642 11613 3642 11591 3619 11591 3619 11611 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:00 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 45 min |
| Aug 3, 5:06 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 24 min |
| Aug 3, 5:28 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 19 min |
| Aug 3, 5:48 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 42 min |
| Aug 3, 5:51 PM PDT | Flash Flood Warning | VEF | Nye | 50 min |
| Aug 3, 5:56 PM PDT | Flash Flood Warning | VEF | Nye | 65 min |
| Aug 3, 5:58 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 47 min |
| Aug 3, 6:25 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 50 min |
| Aug 3, 7:13 PM PDT | Flash Flood Warning | VEF | Nye | 2 hr |
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.