Alert archive / Nevada / Flash Flood Warnings in 2012
Flash Flood Warning 99, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2012, 5:51 PM PDT for Nye County, Nevada. It was in force for 50 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, 5:51 PM PDT (00:51 UTC)
- Expired
- Aug 3, 2012, 6:41 PM PDT
- In force
- 50 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), 145 km from the middle of the area, began a volume at 00:53 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, 0.9 hours before the alert went out and 55 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.
275 WGUS55 KVEF 040051 FFWVEF NVC023-040245- /O.NEW.KVEF.FF.W.0099.120804T0051Z-120804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 551 PM PDT FRI AUG 3 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 745 PM PDT. * AT 545 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER SOUTH CENTRAL NYE COUNTY...OR 11 MILES SOUTHWEST OF MERCURY. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... THE INTERSECTION OF STATE ROUTE 160 AND HIGHWAY 95. 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 3661 11619 3662 11599 3646 11602 3645 11619 $$ STACHELSKI
2 follow-up statements
523 WGUS75 KVEF 040117 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 617 PM PDT FRI AUG 3 2012 NVC023-040245- /O.CON.KVEF.FF.W.0099.000000T0000Z-120804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 617 PM PDT FRI AUG 3 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM PDT FOR SOUTH CENTRAL NYE COUNTY... AT 610 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED OVER SOUTH CENTRAL NYE COUNTY...OR 11 MILES SOUTHWEST OF MERCURY. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. LOCATIONS IMPACTED INCLUDE... STATE ROUTE 160 FROM HIGHWAY 95 TO MILE MARKER 26. HIGHWAY 95 FROM MILE MARKER 18 TO MILE MARKER 6. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3661 11619 3662 11599 3646 11602 3645 11619 $$ STACHELSKI
762 WGUS75 KVEF 040141 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 641 PM PDT FRI AUG 3 2012 NVC023-040150- /O.CAN.KVEF.FF.W.0099.000000T0000Z-120804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 641 PM PDT FRI AUG 3 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE AREA NEAR THE INTERSECTION OF STATE ROUTE 160 AND HIGHWAY 95 IN SOUTH CENTRAL NYE COUNTY... RADAR SHOWS THAT THUNDERSTORMS HAVE MOVED AWAY FROM THE AREA NEAR STATE ROUTE 160 AND HIGHWAY 95. THEREFORE THE THREAT OF ADDITIONAL RAIN IN THIS AREA HAS ENDED. WATER IN ANY AREAS SHOULD BEGIN TO SUBSIDE THEREFORE THE FLASH FLOOD WARNING FOR THIS AREA HAS BEEN CANCELLED. LAT...LON 3661 11619 3662 11599 3646 11602 3645 11619 $$ 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, 5:26 PM PDT | Flash Flood Warning | VEF | Nye | 72 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, 5:56 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.