Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 217, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Oct 11, 2012, 5:25 PM PDT for Inyo County, California. It was in force for 95 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
- Oct 11, 2012, 5:25 PM PDT (00:25 UTC)
- Expired
- Oct 11, 2012, 7:00 PM PDT
- In force
- 95 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 0.4 hours before the alert went out and 162 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
- 305 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
060 WGUS55 KVEF 120025 FFWVEF CAC027-120200- /O.NEW.KVEF.FF.W.0217.121012T0025Z-121012T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 525 PM PDT THU OCT 11 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 700 PM PDT. * AT 517 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER CENTRAL INYO COUNTY...OR 17 MILES SOUTHWEST OF STOVEPIPE WELLS. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF CENTRAL INYO COUNTY. HOWEVER INCLUDES PORTIONS OF HIGHWAY 190 BETWEEN PANAMINT SPRINGS AND STOVE PIPE WELLS. 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 3640 11747 3648 11734 3637 11716 3628 11731 $$ JENSEN
2 follow-up statements
470 WGUS75 KVEF 120115 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 615 PM PDT THU OCT 11 2012 CAC027-120200- /O.CON.KVEF.FF.W.0217.000000T0000Z-121012T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 615 PM PDT THU OCT 11 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR CENTRAL INYO COUNTY... AT 602 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE SHOWERS AND THUNDERSTORMS WHICH ARE LIKELY PRODUCING VERY HEAVY RAIN. THESE STORMS WERE LOCATED OVER CENTRAL INYO COUNTY...OR 17 MILES SOUTHWEST OF STOVEPIPE WELLS. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS NEARLY STATIONARY. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF CENTRAL INYO COUNTY. HOWEVER THE WARNED AREA INCLUDES PORTIONS OF HIGHWAY 190 BETWEEN PANAMINT SPRINGS AND STOVE PIPE WELLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3640 11747 3648 11734 3637 11716 3628 11731 $$ JENSEN
383 WGUS75 KVEF 120153 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 653 PM PDT THU OCT 11 2012 CAC027-120200- /O.EXP.KVEF.FF.W.0217.000000T0000Z-121012T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 653 PM PDT THU OCT 11 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 PM PDT FOR CENTRAL INYO COUNTY... SHOWERS AND THUNDERSTORMS HAVE MOVED OUT OF THE AREA AND ALTHOUGH ADDITIONAL RAINFALL MAY BE SEEN THROUGH TONIGHT...HEAVY RAINFALL IS NO LONGER EXPECTED. THUS THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AS OF 700 PM PDT THIS EVENING. TRAVELERS ALONG HIGHWAY 190...ESPECIALLY BETWEEN PANAMINT SPRINGS AND STOVEPIPE WELLS SHOULD USE CAUTION THIS EVENING AS FLOWING WATER MAY BE BE SEEN OVER THE ROADWAY WELL INTO THE EVENING HOURS. LAT...LON 3640 11747 3648 11734 3637 11716 3628 11731 $$ JENSEN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 5:02 PM PDT | Flash Flood Warning | VEF | Inyo | 88 min |
| Oct 11, 5:25 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 35 min |
| Oct 11, 5:52 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 53 min |
| Oct 11, 6:47 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 12 min |
| Oct 11, 7:28 PM PDT | Flash Flood Warning | VEF | Inyo | 92 min |
| Oct 11, 8:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 115 min |
| Oct 12, 12:03 AM PDT | Flash Flood Warning | VEF | Inyo | 87 min |
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; the sounding from the Mesonet's radiosonde archive.