Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 116, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 16, 2012, 4:06 PM PDT for San Bernardino County, California. It was in force for 114 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
- Aug 16, 2012, 4:06 PM PDT (23:06 UTC)
- Expired
- Aug 16, 2012, 6:00 PM PDT
- In force
- 114 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County San Bernardino County, CA
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 11.1 hours before the alert went out and 109 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
- 4245 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
702
WGUS55 KVEF 162306
FFWVEF
CAC071-170100-
/O.NEW.KVEF.FF.W.0116.120816T2306Z-120817T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
406 PM PDT THU AUG 16 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
* UNTIL 600 PM PDT.
* AT 355 PM PDT...VERY HEAVY RAIN WAS OBSERVED FROM SEVERAL
THUNDERSTORMS BETWEEN MOUNTAIN PASS AND NIPTON. RADAR PRECIPITATION
ESTIMATES AS OF 400 PM INDICATE NEAR OR ABOVE 2 INCHES OF RAIN HAVE
ALREADY FALLEN ACROSS BASINS WHICH DRAIN TOWARDS BOTH NIPTON AND
CIMA ROADS JUST EAST OF THE INTERSTATE 15 NIPTON ROAD JUNCTION.
* LOCATIONS IMPACTED INCLUDE...NIPTON ROAD EAST OF MOUNTAIN PASS TO
TWO MILES WEST OF NIPTON...IVANPAH ROAD SOUTH TO WILLOW PINE
WASH...AND MORNING STAR MINE ROAD SOUTH TO CIMA.
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 3549 11544 3549 11529 3534 11528 3525 11544
3532 11551 3545 11546
$$
KENNEDY2 follow-up statements
698
WGUS75 KVEF 170015
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
515 PM PDT THU AUG 16 2012
CAC071-170100-
/O.CON.KVEF.FF.W.0116.000000T0000Z-120817T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
515 PM PDT THU AUG 16 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM PDT FOR NORTH
CENTRAL SAN BERNARDINO COUNTY...
AT 456 PM PDT...LATEST RADAR AND SATELLITE IMAGERY INDICATE THAT
RAINFALL RATES HAVE DECREASED BETWEEN MOUNTAIN PASS AND NIPTON.
HOWEVER...THUNDERSTORMS ARE PRODUCING MODERATE RAIN JUST TO THE EAST
OVER BASINS WHICH DRAIN INTO THE WARNED AREA...AND FLASH FLOODING IS
LIKELY STILL OCCURRING.
LOCATIONS IMPACTED INCLUDE...NIPTON ROAD EAST OF MOUNTAIN PASS TO
TWO MILES WEST OF NIPTON...IVANPAH ROAD SOUTH TO WILLOW PINE
WASH...AND MORNING STAR MINE ROAD SOUTH TO CIMA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3549 11544 3549 11529 3534 11528 3525 11544
3532 11551 3545 11546
$$
KENNEDY339
WGUS75 KVEF 170056
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
556 PM PDT THU AUG 16 2012
CAC071-170101-
/O.EXP.KVEF.FF.W.0116.000000T0000Z-120817T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
556 PM PDT THU AUG 16 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 PM PDT FOR NORTH
CENTRAL SAN BERNARDINO COUNTY...
LATEST RADAR AND SATELLITE IMAGERY INDICATE THAT RAINFALL RATES HAVE
DECREASED BETWEEN MOUNTAIN PASS AND NIPTON...SO THE FLASH FLOOD
WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3549 11544 3549 11529 3534 11528 3525 11544
3532 11551 3545 11546
$$
KENNEDYNearby
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.