Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 115, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 15, 2012, 1:51 PM MST for Mohave County, Arizona. 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 15, 2012, 1:51 PM MST (20:51 UTC)
- Expired
- Aug 15, 2012, 3:45 PM MST
- In force
- 114 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 120 km from the middle of the area, began a volume at 20:51 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.9 hours before the alert went out and 182 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
- 22 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1908 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 49 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 152051 FFWVEF AZC015-152245- /O.NEW.KVEF.FF.W.0115.120815T2051Z-120815T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 151 PM MST WED AUG 15 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 345 PM MST. * AT 145 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR BLAKE RANCH RV PARK...OR 15 MILES EAST OF KINGMAN. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... BLAKE RANCH RV PARK AS WELL AS NEARBY PORTIONS OF COUNTY HIGHWAY 193. THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 65 AND 71. 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 3521 11380 3518 11369 3488 11374 3501 11393 $$ STACHELSKI
2 follow-up statements
209 WGUS75 KVEF 152148 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 248 PM MST WED AUG 15 2012 AZC015-152245- /O.CON.KVEF.FF.W.0115.000000T0000Z-120815T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.IO/ MOHAVE AZ- 248 PM MST WED AUG 15 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM MST FOR CENTRAL MOHAVE COUNTY... AT 248 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED JUST SOUTH OF INTERSTATE 40 AND WEST OF HIGHWAY 93 NEAR BLAKE RANCH RV PARK. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY...WITH LATEST TOTAL RAINFALL ESTIMATES BETWEEN 2 AND 3 INCHES OVER THE PAST HOUR. LOCATIONS IMPACTED INCLUDE...RURAL ROADS SOUTH OF I40 AND WEST OF HIGHWAY 93 SUCH AS COUNTY ROADS 193 AND 129...AND BLAKE RANCH...WILSON RANCH...AND MOUNTAIN SHADOW ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3521 11380 3518 11369 3488 11374 3501 11393 $$ KENNEDY
727 WGUS75 KVEF 152241 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 341 PM MST WED AUG 15 2012 AZC015-152245- /O.EXP.KVEF.FF.W.0115.000000T0000Z-120815T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.IO/ MOHAVE AZ- 341 PM MST WED AUG 15 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM MST FOR CENTRAL MOHAVE COUNTY... THUNDERSTORMS HAVE DISSIPATED SOUTH OF INTERSTATE 40 AND WEST OF HIGHWAY 93 NEAR BLAKE RANCH RV PARK...AND THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. ANY MOTORISTS TRAVELING ALONG RURAL ROADS SOUTH OF I40 AND WEST OF HIGHWAY 93 SUCH AS COUNTY ROADS 193 AND 129...AND BLAKE RANCH...WILSON RANCH...AND MOUNTAIN SHADOW ROADS ARE ADVISED TO USE CAUTION NEAR WASHES...AS MUD AND DEBRIS HAVE LIKELY BEEN DEPOSITED ACROSS THESE RURAL ROADS. LAT...LON 3521 11380 3518 11369 3488 11374 3501 11393 $$ KENNEDY
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 4:13 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 36 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; radar from the NEXRAD Level II archive.