Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 85, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 31, 2012, 10:51 PM PDT for Inyo County, California. It was in force for 114 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
- Jul 31, 2012, 10:51 PM PDT (05:51 UTC)
- Expired
- Aug 1, 2012, 12:45 AM PDT
- In force
- 114 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 31, 11:23 PM PDT | FLASH FLOOD | 11 Ene Panamint Springs, CA | THE CALIFORNIA HIGHWAY PATROL REPORTED THAT A 75 FOOT LONG SECTION OF STATE ROUTE 190 WAS COVERED WITH 2 FEET OF MUD NEAR TOWNES PASS IN DEATH VALLEY NATIONAL PARK. |
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 00:00Z, 5.9 hours before the alert went out and 145 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
- 646 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1370 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
049 WGUS55 KVEF 010551 FFWVEF CAC027-010745- /O.NEW.KVEF.FF.W.0085.120801T0551Z-120801T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 1051 PM PDT TUE JUL 31 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 1245 AM PDT. * AT 1048 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 30 MILES SOUTHEAST OF PANAMINT SPRINGS...OR 37 MILES NORTHEAST OF RIDGECREST...MOVING SOUTH AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... PANAMINT SPRINGS...BAD WATER ROAD AND WARM SPRINGS CANYON IN DEATH VALLEY NATIONAL PARK. 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 3580 11682 3582 11761 3645 11750 3629 11676 $$ JA
2 follow-up statements
456 WGUS75 KVEF 010644 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1144 PM PDT TUE JUL 31 2012 CAC027-010745- /O.CON.KVEF.FF.W.0085.000000T0000Z-120801T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 1144 PM PDT TUE JUL 31 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM PDT FOR SOUTH CENTRAL INYO COUNTY... CALIFORNIA HIGHWAY PATROL REPORTED FLASH FLOODING ON STATE ROUTE 190 BETWEEN TOWNES PASS AND STOVE PIPE WELLS. THE THUNDERSTORMS THAT PRODUCED HEAVY RAIN OVER THE AREA HAVE SINCE PUSHED INTO NORTHWEST SAN BERNARDINO COUNTY. AUTOMATED GAUGES AND DOPPLER RADAR ESTIMATES INDICATE THAT UP TO AN INCH OF RAIN FELL ACROSS A LARGE AREA OF THE PANAMINT RANGE IN DEATH VALLEY NATIONAL PARK WHICH DRAINS ONTO BAD WATER ROAD AND THE ROAD TO TRONA. SECTIONS OF THESE ROADS ARE LIKELY FLOODED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3580 11682 3582 11761 3645 11750 3629 11676 $$ JA
417 WGUS75 KVEF 010744 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1244 AM PDT WED AUG 1 2012 CAC027-010750- /O.EXP.KVEF.FF.W.0085.000000T0000Z-120801T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 1244 AM PDT WED AUG 1 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM PDT FOR SOUTH CENTRAL INYO COUNTY... HEAVY RAIN ENDED IN THE SOUTHWEST PART OF DEATH VALLEY NATIONAL PARK BETWEEN 11 AND 1130 PM AND THE THREAT OF ADDITIONAL FLASH FLOODING HAS ENDED. HOWEVER...STATE ROUTE 190 NEAR TOWNES PASS WAS REPORTED TO BE IMPASSABLE DUE TO TWO FEET OF MUD ON THE ROAD. SECTIONS OF BAD WATER ROAD AND THE ROAD TO TRONA ARE ALSO LIKELY IMPASSABLE. LAT...LON 3580 11682 3582 11761 3645 11750 3629 11676 $$ JA
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 10:12 PM PDT | Areal Flood Advisory | VEF | Inyo | 42 min |
| Jul 31, 11:31 PM PDT | Flash Flood Warning | VEF | San Bernardino | 119 min |
| Aug 1, 2:44 AM PDT | Flash Flood Watch | VEF | San Bernardino | 20 hr |
Nearby
Flash Flood Warnings in California, 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.