Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 189, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 7, 2012, 2:34 PM MST for Mohave County, Arizona. It was in force for 67 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 7, 2012, 2:34 PM MST (21:34 UTC)
- Expired
- Sep 7, 2012, 3:41 PM MST
- In force
- 67 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), 149 km from the middle of the area, began a volume at 21:34 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, 9.6 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
- 232 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1151 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
005 WGUS55 KVEF 072134 FFWVEF AZC015-072330- /O.NEW.KVEF.FF.W.0189.120907T2134Z-120907T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 234 PM MST FRI SEP 7 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 430 PM MST. * AT 230 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A COUPLE OF THUNDERSTORMS NEAR WIKIEUP. THE STORMS PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... WIKIEUP...HIGHWAY 93 AND OTHER ROADWAYS NEAR WIKIEUP INCLUDING CHICKEN SPRINGS ROAD AND ALAMO CROSSING 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 3487 11383 3488 11356 3464 11353 3455 11384 $$ JH
1 follow-up statement
541 WGUS75 KVEF 072241 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 341 PM MST FRI SEP 7 2012 AZC015-072250- /O.CAN.KVEF.FF.W.0189.000000T0000Z-120907T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 341 PM MST FRI SEP 7 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTH CENTRAL MOHAVE COUNTY... THE STORMS NEAR WIKIEUP WHICH WERE PRODUCING HEAVY RAIN DIMINISHED AND THERE HAS BEEN NO RAIN FOR AWHILE. ANY FLOODING WHICH MAY HAVE OCCURRED WILL CONTINUE TO SUBSIDE. LAT...LON 3487 11383 3488 11356 3464 11353 3455 11384 $$ JH
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 2:23 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 37 min |
| Sep 7, 2:52 PM MST | Areal Flood Advisory | VEF | Mohave | 113 min |
| Sep 7, 3:42 PM MST | Areal Flood Advisory | VEF | Mohave | 4 hr |
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.