Alert archive / California / Flash Flood Warnings in 2011
Flash Flood Warning 11, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 4, 2011, 6:52 PM PDT for Inyo County, California. It was in force for 113 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 4, 2011, 6:52 PM PDT (01:52 UTC)
- Expired
- Jul 4, 2011, 8:45 PM PDT
- In force
- 113 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 4, 7:30 PM PDT | FLASH FLOOD | 18 Sse Oriental Wash Ra, CA | THE PARK SERVICE REPORTED SCOTTYS CASTLE ROAD WAS COVERED WITH LIGHT DEBRIS. UBEHEBE ROAD WAS COVERED WITH OVER A FOOT OF DEBRIS. |
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, 1.9 hours before the alert went out and 159 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2613 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
974 WGUS55 KVEF 050152 FFWVEF CAC027-050345- /O.NEW.KVEF.FF.W.0011.110705T0152Z-110705T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 652 PM PDT MON JUL 4 2011 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 644 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 10 MILES EAST OF MESQUITE SPRINGS CAMPGROUND...OR 23 MILES NORTH OF STOVEPIPE WELLS. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE...MESQUITE SPRINGS CAMPGROUND AND SCOTTYS CASTLE. ALSO INCLUDED IN THE WARNED AREA IS THE MOONLIGHT CANYON AREA AS WELL AS PORTIONS OF THE SCOTTYS CASTLE ROAD...ESPECIALLY WEST OF MOONLIGHT CANYON. 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 TWITTER #NWSVEGAS. CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF FLASH FLOODING IS OBSERVED. && LAT...LON 3669 11721 3696 11744 3707 11731 3679 11693 $$ JENSEN
2 follow-up statements
975 WGUS75 KVEF 050247 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 747 PM PDT MON JUL 4 2011 CAC027-050345- /O.CON.KVEF.FF.W.0011.000000T0000Z-110705T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 747 PM PDT MON JUL 4 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM PDT FOR CENTRAL INYO COUNTY... AT 735 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS LOCATED 13 MILES SOUTHEAST OF MESQUITE SPRINGS CAMPGROUND...OR 16 MILES NORTH OF STOVEPIPE WELLS. THE THUNDERSTORM WITH EXCESSIVE RAIN IS SLOWLY MOVING TO THE SOUTHWEST. THE THUNDERSTORMS ARE DECREASING IN THE AREA...HOWEVER THE SLOW MOVING STORM IS MOVING FROM THE NORTHEAST TO THE SOUTHWEST WHICH IS DOWN WASH. THIS MOVEMENT WILL ADD TO THE POTENTIAL FOR FLASH FLOODING OVER THE CANYONS WITHIN THIS WARNING. LOCATIONS IMPACTED INCLUDE...MESQUITE SPRINGS CAMPGROUND AND SCOTTYS CASTLE. ALSO INCLUDED IN THE WARNED AREA IS THE MOONLIGHT CANYON AREA AS WELL AS PORTIONS OF THE SCOTTYS CASTLE ROAD... ESPECIALLY WEST OF MOONLIGHT CANYON. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS. CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF FLASH FLOODING IS OBSERVED. && LAT...LON 3669 11721 3696 11744 3707 11731 3679 11693 $$ JENSEN
953 WGUS75 KVEF 050336 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 836 PM PDT MON JUL 4 2011 CAC027-050345- /O.EXP.KVEF.FF.W.0011.000000T0000Z-110705T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 836 PM PDT MON JUL 4 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM PDT FOR CENTRAL INYO COUNTY... THUNDERSTORMS ACROSS THE NORTHERN PORTIONS OF DEATH VALLEY NATIONAL PARK HAVE WEAKENED AND THE THREAT OF ADDITIONAL HEAVY RAIN HAS ENDED. WATER MAY STILL BE PRESENT IN LOW SPOTS AND WASHES MAY STILL SEE FLOWS IN THEM FOR THE NEXT FEW HOURS. BE ALERT IF YOU VENTURING OUT DURING THIS TIME FRAME. LAT...LON 3669 11721 3696 11744 3707 11731 3679 11693 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:46 PM PDT | Flash Flood Warning | VEF | Inyo | 119 min |
| Jul 5, 1:37 PM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Jul 5, 1:48 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 5, 2:01 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 33 min |
| Jul 5, 2:06 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 24 min |
Nearby
Flash Flood Warnings in California, 2011Every flash flood warning in 2011
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.