Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 210, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 11, 2012, 6:41 PM PDT for Inyo County, California. It was in force for 2 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
- Sep 11, 2012, 6:41 PM PDT (01:41 UTC)
- Expired
- Sep 11, 2012, 8:45 PM PDT
- In force
- 2 hr
- 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, 1.7 hours before the alert went out and 207 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
- 352 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
897 WGUS55 KVEF 120141 FFWVEF CAC027-120345- /O.NEW.KVEF.FF.W.0210.120912T0141Z-120912T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 641 PM PDT TUE SEP 11 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 845 PM PDT. * AT 634 PM PDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM 11 MILES SOUTH OF KEELER ALONG STATE ROUTE 136...OR 8 MILES NORTHEAST OF OLANCHA. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... KEELER. STATE ROUTE 136 BETWEEN U.S. 395 AND STATE ROUTE 190. STATE ROUTE 190 BETWEEN U.S. 395 AND STATE ROUTE 136. 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 3653 11782 3631 11762 3623 11795 3661 11802 $$ WOLCOTT
2 follow-up statements
023 WGUS75 KVEF 120239 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 739 PM PDT TUE SEP 11 2012 CAC027-120345- /O.CON.KVEF.FF.W.0210.000000T0000Z-120912T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 739 PM PDT TUE SEP 11 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM PDT FOR CENTRAL INYO COUNTY... AT 732 PM PDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING ALONG STATE ROUTE 136 NEAR KEELER. THE STORMS THAT PRODUCED THE FLOODING HAVE DISSIPATED...BUT SHOWERS REMAIN IN THE AREA. STATE ROUTE 136 WAS CLOSED AS OF 732 PM PDT...AND HIGHWAY PATROL WAS ON THE SCENE. LOCATIONS IMPACTED INCLUDE... KEELER. STATE ROUTE 136 STATE ROUTE 190 BETWEEN STATE ROUTE 136 AND U.S. 395 PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3653 11782 3631 11762 3623 11795 3661 11802 $$ WOLCOTT
573 WGUS75 KVEF 120345 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 845 PM PDT TUE SEP 11 2012 CAC027-120350- /O.EXP.KVEF.FF.W.0210.000000T0000Z-120912T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 845 PM PDT TUE SEP 11 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM PDT FOR CENTRAL INYO COUNTY... LATEST RADAR IMAGERY INDICATES THUNDERSTORMS WITH HEAVY HAVE ENDED NEAR KEELER AND OLANCHA...THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. AS OF 840 PM...CALIFORNIA HIGHWAY PATROL REPORTS THAT STATE ROUTE 190 BETWEEN STATE ROUTE 395 AND STATE ROUTE 136 WILL BE REMAIN CLOSED FOR SEVERAL HOURS DUE TO MUD AND DEBRIS ON THE ROAD. LAT...LON 3653 11782 3631 11762 3623 11795 3661 11802 $$ KENNEDY
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 5:25 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 35 min |
| Sep 11, 5:43 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Sep 11, 5:54 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 19 min |
| Sep 11, 7:54 PM PDT | Flash Flood Warning | VEF | Inyo | 71 min |
| Sep 11, 8:36 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 39 min |
| Sep 11, 9:59 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 76 min |
| Sep 11, 11:02 PM PDT | Flash Flood Warning | VEF | San Bernardino | 118 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.