Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 95, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 2, 2012, 8:44 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
- Aug 2, 2012, 8:44 PM PDT (03:44 UTC)
- Expired
- Aug 2, 2012, 10:45 PM PDT
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The radar
The San Joaquin Valley radar (KHNX), 183 km from the middle of the area, began a volume at 03:44 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 00:00Z, 3.7 hours before the alert went out and 247 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
- 2 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 3766 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
862
WGUS55 KVEF 030344
FFWVEF
CAC027-030545-
/O.NEW.KVEF.FF.W.0095.120803T0344Z-120803T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
844 PM PDT THU AUG 2 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN INYO COUNTY IN EASTERN CALIFORNIA...
* UNTIL 1045 PM PDT.
* AT 830 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM LOCATED OVER STATE ROUTE 168
BETWEEN BIG PINE AND OASIS...WHICH INCLUDES WESTGARD PASS. THE STORM
PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY.
* LOCATIONS IMPACTED INCLUDE...WESTGARD PASS...GRANDVIEW
CAMPGROUND...AND STATE ROUTE 168 BETWEEN BIG PINE AND OASIS.
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 3748 11804 3747 11786 3741 11778 3728 11795
3709 11821 3725 11834
$$
KENNEDY2 follow-up statements
758
WGUS75 KVEF 030446
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
946 PM PDT THU AUG 2 2012
CAC027-030545-
/O.CON.KVEF.FF.W.0095.000000T0000Z-120803T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
946 PM PDT THU AUG 2 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM PDT FOR
NORTHWESTERN INYO COUNTY...
AT 930 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
THUNDERSTORMS PRODUCING HEAVY RAIN OVER STATE ROUTE 168 BETWEEN BIG
PINE AND OASIS HAVE TRANSITIONED FURTHER SOUTH ALONG THE WHITE
MOUNTAINS...HOWEVER...SIGNIFICANT RUNOFF IS LIKELY CONTINUING AND
THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT.
* LOCATIONS IMPACTED INCLUDE...WESTGARD PASS...GRANDVIEW
CAMPGROUND...AND STATE ROUTE 168 BETWEEN BIG PINE AND OASIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3748 11804 3747 11786 3741 11778 3728 11795
3709 11821 3725 11834
$$
KENNEDY120
WGUS75 KVEF 030537
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1037 PM PDT THU AUG 2 2012
CAC027-030546-
/O.EXP.KVEF.FF.W.0095.000000T0000Z-120803T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INYO CA-
1037 PM PDT THU AUG 2 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1045 PM PDT FOR
NORTHWESTERN INYO COUNTY...
THE THUNDERSTORMS PRODUCING HEAVY RAIN OVER STATE ROUTE 168 BETWEEN
BIG PINE AND OASIS HAVE TRANSITIONED FURTHER SOUTH ALONG THE WHITE
MOUNTAINS. RUNOFF MAY OCCUR THROUGH 1130 PM...BUT THE THREAT OF
FLASH FLOODING HAS ENDED.
LAT...LON 3748 11804 3747 11786 3741 11778 3728 11795
3709 11821 3725 11834
$$
KENNEDYThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:23 PM PDT | Flash Flood Warning | VEF | Inyo | 112 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; radar from the NEXRAD Level II archive.