Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 117, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 16, 2012, 4:07 PM MST for Mohave County, Arizona. It was in force for 113 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, 4:07 PM MST (23:07 UTC)
- Expired
- Aug 16, 2012, 6:00 PM MST
- In force
- 113 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 11.1 hours before the alert went out and 160 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.
551 WGUS55 KVEF 162307 FFWVEF AZC015-170100- /O.NEW.KVEF.FF.W.0117.120816T2307Z-120817T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 407 PM MST THU AUG 16 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 600 PM MST. * AT 404 PM MST...VERY HEAVY RAIN WAS OCCURRING FROM A THUNDERSTORM OVER BUCK AND DOE ROAD FIVE TO TEN MILES SOUTH OF THE GRAND CANYON SKYWALK....OR 46 MILES NORTH OF KINGMAN. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... BUCK AND DOE ROAD SOUTH OF THE GRAND CANYON SKYWALK. 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 3592 11390 3593 11386 3577 11380 3578 11390 $$ MORGAN
2 follow-up statements
355 WGUS75 KVEF 170001 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 501 PM MST THU AUG 16 2012 AZC015-170100- /O.CON.KVEF.FF.W.0117.000000T0000Z-120817T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 501 PM MST THU AUG 16 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR CENTRAL MOHAVE COUNTY... AT 459 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING HEAVY RAIN OVER BUCK AND DOE ROAD BETWEEN PEACH SPRINGS AND THE GRAND CANYON SKYWALK. THESE STORMS WERE MOVING SLOWLY. LOCATIONS IMPACTED INCLUDE... BUCK AND DOE ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3592 11390 3593 11386 3577 11380 3578 11390 $$ MORGAN
289 WGUS75 KVEF 170051 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 551 PM MST THU AUG 16 2012 AZC015-170100- /O.EXP.KVEF.FF.W.0117.000000T0000Z-120817T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 551 PM MST THU AUG 16 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 PM MST FOR CENTRAL MOHAVE COUNTY... AT 550 PM MST...RADAR SHOWED LIGHT TO MODERATE RAIN REMAINING OVER BUCK AND DOE ROAD. NO REPORTS OF FLOODING HAD BEEN RECEIVED...SO THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3592 11390 3593 11386 3577 11380 3578 11390 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:12 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 35 min |
Nearby
Flash Flood Warnings in Arizona, 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.