Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 51, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 16, 2012, 3:03 PM MST for Mohave County, Arizona. It was in force for 60 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
- Jul 16, 2012, 3:03 PM MST (22:03 UTC)
- Expired
- Jul 16, 2012, 4:03 PM MST
- In force
- 60 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Cedar City radar (KICX), 79 km from the middle of the area, began a volume at 22:04 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, 10.1 hours before the alert went out and 202 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
- 84 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
303 WGUS55 KVEF 162203 FFWVEF AZC015-170000- /O.NEW.KVEF.FF.W.0051.120716T2203Z-120717T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 303 PM MST MON JUL 16 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME NORTHEASTERN MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 500 PM MST. * AT 253 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR PIPE SPRING...OR 16 MILES SOUTHEAST OF COLORADO CITY. THE STORM PRODUCING VERY HEAVY RAIN WAS MOVING NORTHEAST AROUND 14 MPH. * LOCATIONS IMPACTED INCLUDE... PIPE SPRING NATIONAL MONUMENT...PIPE SPRING AND KAIBAB. 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 3680 11266 3683 11289 3700 11283 3700 11256 $$ JENSEN
1 follow-up statement
348 WGUS75 KVEF 162303 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 403 PM MST MON JUL 16 2012 AZC015-162313- /O.CAN.KVEF.FF.W.0051.000000T0000Z-120717T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 403 PM MST MON JUL 16 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EXTREME NORTHEASTERN MOHAVE COUNTY... THUNDERSTORMS HAVE DISSIPATED OVER THE AREA AND HEAVY RAINFALL IS NO LONGER EXPECTED. THUS THE FLASH FLOOD WARNING FOR EXTREME NORTHEASTERN MOHAVE COUNTY HAS BEEN CANCELLED. LAT...LON 3680 11266 3683 11289 3700 11283 3700 11256 $$ JENSEN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:42 PM MST | Flash Flood Warning | VEF | Mohave | 93 min |
| Jul 15, 7:12 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 22 min |
| Jul 16, 2:00 AM MST | Flash Flood Watch | VEF | Mohave | 19 hr |
| Jul 16, 11:53 AM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Jul 16, 1:56 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 27 min |
| Jul 16, 2:22 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 23 min |
| Jul 16, 3:36 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 39 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.