Alert archive / Nevada / Flash Flood Warnings in 2012
Flash Flood Warning 43, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 15, 2012, 1:24 PM PDT for Nye County, Nevada. It was in force for 4 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 15, 2012, 1:24 PM PDT (20:24 UTC)
- Expired
- Jul 15, 2012, 5:15 PM PDT
- In force
- 4 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Nye County, NV
The radar
The Las Vegas radar (KESX), 248 km from the middle of the area, began a volume at 20:24 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 12:00Z, 8.4 hours before the alert went out and 155 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
- 335 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
117 WGUS55 KVEF 152024 FFWVEF NVC023-152215- /O.NEW.KVEF.FF.W.0043.120715T2024Z-120715T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 124 PM PDT SUN JUL 15 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 315 PM PDT. * AT 120 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER CENTRAL NYE COUNTY...OR 33 MILES SOUTHWEST OF RACHEL. THE STORMS PRODUCING HEAVY RAIN WERE MOVING NORTH AROUND 5 MPH. RADAR ESTIMATES AND AUTOMATED GAUGES IN THIS AREA SHOWED OVER A HALF AN INCH OF RAIN HAD FALLEN SO FAR IN SOME LOCATIONS. * LOCATIONS IMPACTED INCLUDE... THE NORTH END OF THE NEVADA NATIONAL SECURITY SITE AND HIGHWAY 375 BETWEEN MILE MARKERS 25 AND 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES... AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. 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 3804 11636 3804 11591 3713 11592 3713 11636 $$ STACHELSKI
3 follow-up statements
557 WGUS75 KVEF 152131 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 231 PM PDT SUN JUL 15 2012 NVC023-152215- /O.CON.KVEF.FF.W.0043.000000T0000Z-120715T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 231 PM PDT SUN JUL 15 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM PDT FOR CENTRAL NYE COUNTY... AT 225 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER CENTRAL NYE COUNTY...OR 33 MILES SOUTHWEST OF RACHEL. THE STORMS PRODUCING HEAVY RAIN WERE MOVING NORTH AROUND 5 MPH. RADAR ESTIMATES AND AUTOMATED GAUGES IN THIS AREA SHOWED OVER A HALF AN INCH OF RAIN HAD FALLEN SO FAR IN SOME LOCATIONS. * LOCATIONS IMPACTED INCLUDE... THE NORTH END OF THE NEVADA NATIONAL SECURITY SITE AND HIGHWAY 375 BETWEEN MILE MARKERS 25 AND 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3804 11636 3804 11591 3713 11592 3713 11636 $$ STACHELSKI
601 WGUS55 KVEF 152210 FFWVEF NVC023-160015- /O.EXT.KVEF.FF.W.0043.000000T0000Z-120716T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 310 PM PDT SUN JUL 15 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA... * UNTIL 515 PM PDT. * AT 303 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER CENTRAL NYE COUNTY...OR 33 MILES SOUTHWEST OF RACHEL. THE STORMS PRODUCING HEAVY RAIN WERE MOVING NORTH AROUND 5 MPH. RADAR ESTIMATES AND AUTOMATED GAUGES IN THIS AREA SHOWED OVER A HALF AN INCH OF RAIN HAD FALLEN SO FAR IN SOME LOCATIONS. * LOCATIONS IMPACTED INCLUDE... THE NORTH END OF THE NEVADA NATIONAL SECURITY SITE AND HIGHWAY 375 BETWEEN MILE MARKERS 25 AND 48. 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 3804 11636 3804 11591 3713 11592 3713 11636 $$ STACHELSKI
413 WGUS75 KVEF 160014 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 514 PM PDT SUN JUL 15 2012 NVC023-160024- /O.EXP.KVEF.FF.W.0043.000000T0000Z-120716T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NYE NV- 514 PM PDT SUN JUL 15 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 515 PM PDT FOR CENTRAL NYE COUNTY... THUNDERSTORMS OVER CENTRAL LINCOLN COUNTY HAVE WEAKENED. THEREFORE WITH THREAT OF HEAVY RAIN OVER WITH...THE THREAT FOR FLASH FLOODING HAS ENDED AT THIS TIME. LAT...LON 3804 11636 3804 11591 3713 11592 3713 11636 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:02 PM PDT | Areal Flood Advisory | VEF | Clark | 116 min |
| Jul 14, 8:41 PM PDT | Areal Flood Advisory | VEF | Clark | 16 min |
| Jul 14, 8:56 PM PDT | Flash Flood Warning | VEF | Clark | 109 min |
| Jul 15, 10:14 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 11 hr |
| Jul 15, 10:30 AM PDT | Flash Flood Warning | VEF | Lincoln | 4 hr |
| Jul 15, 1:12 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 15, 1:58 PM PDT | Flash Flood Warning | VEF | Lincoln | 82 min |
| Jul 15, 2:16 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 44 min |
| Jul 15, 2:41 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Jul 15, 3:01 PM PDT | Flash Flood Warning | VEF | Lincoln | 6 hr |
| Jul 15, 4:40 PM PDT | Flash Flood Warning | VEF | Clark | 65 min |
| Jul 15, 4:58 PM PDT | Flash Flood Warning | VEF | Clark | 92 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.