Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 184, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 4, 2012, 6:46 PM MST for Mohave County, Arizona. It was in force for 119 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
- Sep 4, 2012, 6:46 PM MST (01:46 UTC)
- Expired
- Sep 4, 2012, 8:45 PM MST
- In force
- 119 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), 92 km from the middle of the area, began a volume at 01:46 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, 1.8 hours before the alert went out and 185 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
- 4464 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
341 WGUS55 KVEF 050146 FFWVEF AZC015-050345- /O.NEW.KVEF.FF.W.0184.120905T0146Z-120905T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 646 PM MST TUE SEP 4 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 845 PM MST. * AT 641 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER CENTRAL MOHAVE COUNTY...OR NEAR KINGMAN...MOVING SOUTHEAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE...COYOTE PASS AND HIGHWAY 93. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES... AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. 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 3525 11405 3517 11403 3513 11411 3524 11413 $$ PIERCE
3 follow-up statements
727 WGUS75 KVEF 050212 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 712 PM MST TUE SEP 4 2012 AZC015-050345- /O.CON.KVEF.FF.W.0184.000000T0000Z-120905T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 712 PM MST TUE SEP 4 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MST FOR CENTRAL MOHAVE COUNTY... AT 703 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS WITH HEAVY RAIN REDEVELOPING AROUND COYOTE PASS ON HIGHWAY 93 JUST OUTSIDE OF KINGMAN. LOCATIONS IMPACTED INCLUDE...COYOTE PASS AND WASHES THAT DRAIN FROM THE HILLS NORTHWEST OF DOWNTOWN KINGMAN. LOW WATER CROSSINGS AT LEAD STREET NEAR METCALFE ROAD AND WEST SPRING STREET WILL LIKELY BE IMPACTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES... AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3525 11405 3517 11403 3513 11411 3524 11413 $$ PIERCE
383 WGUS75 KVEF 050249 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 749 PM MST TUE SEP 4 2012 AZC015-050345- /O.CON.KVEF.FF.W.0184.000000T0000Z-120905T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 749 PM MST TUE SEP 4 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM MST FOR CENTRAL MOHAVE COUNTY... AT 737 PM MST...THUNDERSTORMS THAT PRODUCED HEAVY RAIN AROUND COYOTE PASS AND HIGHWAY 93 HAVE DISSIPATED. RUNOFF FROM THE HEAVY RAINFALL WILL CONTINUE IN NEARBY WASHES. ON OF THOSE WASHES RUNS ADJACENT TO INTERSTATE 40 AND GOES UNDER WEST BEALE STREET NEAR THE MOHAVE COUNTY OFFICES. LOCATIONS IMPACTED INCLUDE...LOW WATER CROSSINGS AT LEAD STREET NEAR METCALFE ROAD AND WEST SPRING STREET WILL LIKELY BE IMPACTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED ON AREA ROADWAYS...AROUND UNDERPASSES... AND IN NORMALLY DRY WASHES AND LOW LYING AREAS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. 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 3525 11405 3517 11403 3513 11411 3524 11413 $$ PIERCE
813 WGUS75 KVEF 050343 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 843 PM MST TUE SEP 4 2012 AZC015-050352- /O.EXP.KVEF.FF.W.0184.000000T0000Z-120905T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 843 PM MST TUE SEP 4 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM MST FOR CENTRAL MOHAVE COUNTY... THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM MST FOR THE COYOTE PASS AND HIGHWAY 93 AREA NEAR KINGMAN. HEAVY RAIN HAS NOT FALLEN IN THE AREA IN OVER AN HOUR. LAT...LON 3525 11405 3517 11403 3513 11411 3524 11413 $$ PIERCE
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 6:10 PM MST | Areal Flood Advisory | VEF | Mohave | 66 min |
| Sep 4, 7:22 PM MST | Flash Flood Warning | VEF | Mohave | 113 min |
| Sep 5, 2:54 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Sep 5, 3:08 PM MST | Flash Flood Warning | VEF | Mohave | 57 min |
| Sep 5, 4:24 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 40 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.