Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 178, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 4, 2012, 12:11 PM MST for Mohave County, Arizona. It was in force for 64 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, 12:11 PM MST (19:11 UTC)
- Expired
- Sep 4, 2012, 1:15 PM MST
- In force
- 64 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), 128 km from the middle of the area, began a volume at 19:13 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, 7.2 hours before the alert went out and 158 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
- 188 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1448 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
292 WGUS55 KVEF 041911 FFWVEF AZC015-042115- /O.NEW.KVEF.FF.W.0178.120904T1911Z-120904T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 1211 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 215 PM MST. * AT 1205 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER CENTRAL MOHAVE COUNTY...OR 42 MILES NORTHEAST OF KINGMAN. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. RADAR ESTIMATES OF OVER ONE INCH HAVE BEEN ESTIMATED IN THIS AREA. * LOCATIONS IMPACTED INCLUDE... THE ROAD TO DIAMOND CREEK CAMPGROUND AS WELL AS BUCK AND DOE ROAD NEAR JUST NORTH OF ROUTE 66. 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 3568 11356 3571 11336 3557 11335 3552 11353 $$ STACHELSKI
1 follow-up statement
367 WGUS75 KVEF 042015 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 115 PM MST TUE SEP 4 2012 AZC015-042024- /O.CAN.KVEF.FF.W.0178.000000T0000Z-120904T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 115 PM MST TUE SEP 4 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL MOHAVE COUNTY... HEAVY RAINFALL HAS ENDED ACROSS THE AREA NEAR THE DIAMOND CREEK CAMPGROUND ROAD. WHILE WATER MAY STILL BE LEFT IN LOW SPOTS FROM EARLIER...THE THREAT OF ADDITIONAL FLASH FLOODING HAS ENDED. THEREFORE THE FLASH FLOOD WARNING FOR CENTRAL MOHAVE COUNTY HAS BEEN CANCELLED. LAT...LON 3568 11356 3571 11336 3557 11335 3552 11353 $$ STACHELSKI
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 10:48 AM MST | Flash Flood Warning | VEF | Mohave | 117 min |
| Sep 4, 2:36 PM MST | Flash Flood Warning | VEF | Mohave | 114 min |
| Sep 4, 2:54 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Sep 4, 3:47 PM MST | Flash Flood Warning | VEF | Mohave | 34 min |
| Sep 4, 4:50 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.