Alert archive / California / Flash Flood Warnings in 2011
Flash Flood Warning 36, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 7, 2011, 3:49 PM PDT for Inyo County, California. It was in force for 3 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 7, 2011, 3:49 PM PDT (22:49 UTC)
- Expired
- Jul 7, 2011, 6:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The radar
The San Joaquin Valley radar (KHNX), 188 km from the middle of the area, began a volume at 22:53 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, 10.8 hours before the alert went out and 232 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
- 34 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 2113 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
931 WGUS55 KVEF 072249 FFWVEF CAC027-080145- /O.NEW.KVEF.FF.W.0036.110707T2249Z-110708T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 349 PM PDT THU JUL 7 2011 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL INYO COUNTY IN EASTERN CALIFORNIA... * UNTIL 645 PM PDT. * AT 340 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER NORTHWESTERN INYO COUNTY... OR 20 MILES EAST OF BIG PINE ALONG DEATH VALLEY ROAD. THE STORM PRODUCING FLASH FLOODING WAS NEARLY STATIONARY. * THE STORM PRODUCING FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. 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. && LAT...LON 3740 11783 3723 11765 3709 11802 3723 11813 $$ JH
2 follow-up statements
770 WGUS75 KVEF 072339 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 439 PM PDT THU JUL 7 2011 CAC027-080145- /O.CON.KVEF.FF.W.0036.000000T0000Z-110708T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 439 PM PDT THU JUL 7 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM PDT FOR NORTH CENTRAL INYO COUNTY... AT 433 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS LOCATED OVER NORTH CENTRAL INYO COUNTY...OR 22 MILES EAST OF BIG PINE ALONG DEATH VALLEY ROAD. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. THE STORM PRODUCING FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS. && LAT...LON 3740 11783 3723 11765 3709 11802 3723 11813 $$ JH
935 WGUS75 KVEF 080138 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 638 PM PDT THU JUL 7 2011 CAC027-080146- /O.EXP.KVEF.FF.W.0036.000000T0000Z-110708T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ INYO CA- 638 PM PDT THU JUL 7 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 645 PM PDT FOR NORTH CENTRAL INYO COUNTY... THERE HAS BEEN NO SIGNIFICANT RAINFALL IN THE AREA FOR AWHILE AND ANY FLOODING WOULD HAVE HAD TIME TO SUBSIDE. THE THREAT OF FLASH FLOODING HAS ENDED. LAT...LON 3740 11783 3723 11765 3709 11802 3723 11813 $$ JH
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 5:04 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 41 min |
| Jul 6, 5:29 PM PDT | Areal Flood Advisory | VEF | Inyo, San Bernardino | 3 hr |
| Jul 7, 2:36 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jul 7, 3:25 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Jul 7, 3:45 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.