Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 30, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 14, 2012, 5:30 PM MST for Mohave County, Arizona. It was in force for 2 hr. 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 14, 2012, 5:30 PM MST (00:30 UTC)
- Expired
- Jul 14, 2012, 7:30 PM MST
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 134 km from the middle of the area, began a volume at 00:31 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, 0.5 hours before the alert went out and 147 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
- 48 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 2462 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
130 WGUS55 KVEF 150030 FFWVEF AZC015-150230- /O.NEW.KVEF.FF.W.0030.120715T0030Z-120715T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 530 PM MST SAT JUL 14 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 730 PM MST. * AT 523 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER NORTH CENTRAL MOHAVE COUNTY...OR 20 MILES SOUTHEAST OF MESQUITE. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN MOHAVE COUNTY. 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 11404 3670 11370 3638 11376 3636 11404 $$ JENSEN
2 follow-up statements
872 WGUS75 KVEF 150132 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 632 PM MST SAT JUL 14 2012 AZC015-150230- /O.CON.KVEF.FF.W.0030.000000T0000Z-120715T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 632 PM MST SAT JUL 14 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MST FOR NORTH CENTRAL MOHAVE COUNTY... AT 623 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED OVER NORTH CENTRAL MOHAVE COUNTY...OR 19 MILES SOUTHEAST OF MESQUITE. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN MOHAVE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3680 11404 3670 11370 3638 11376 3636 11404 $$ JENSEN
875 WGUS75 KVEF 150227 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 727 PM MST SAT JUL 14 2012 AZC015-150235- /O.EXP.KVEF.FF.W.0030.000000T0000Z-120715T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 727 PM MST SAT JUL 14 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 730 PM MST FOR NORTH CENTRAL MOHAVE COUNTY... THUNDERSTORMS HAVE MOVED OUT OF THE AREA THIS EVENING AND HEAVY RAINFALL IS NO LONGER EXPECTED THUS WILL ALLOW THE FLASH FLOOD WARNING TO EXPIRE AS OF 730 PM MST. ALTHOUGH THE WARNING WILL EXPIRE...RUNOFF FROM PREVIOUS RAINFALL WILL LIKELY CREATE FLOWING WATER IN NORMALLY DRY WASHES AND ACROSS LOW WATER CROSSING THROUGH THE EVENING HOURS. IF TRAVELING IN THE AREA REMEMBER THAT WATER IS ESPECIALLY HARD TO SEE AT NIGHT SO USE EXTRA CAUTION IN THE LATE EVENING HOURS. LAT...LON 3680 11404 3670 11370 3638 11376 3636 11404 $$ JENSEN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:10 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Jul 14, 6:36 PM MST | Flash Flood Warning | VEF | Mohave | 114 min |
| Jul 14, 8:20 PM MST | Flash Flood Warning | VEF | Mohave | 115 min |
| Jul 14, 10:01 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Jul 15, 10:14 AM MST | Flash Flood Watch | VEF | Mohave | 11 hr |
| Jul 15, 12:53 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Jul 15, 4:40 PM MST | Flash Flood Warning | VEF | Mohave | 65 min |
| Jul 15, 4:58 PM MST | Flash Flood Warning | VEF | Mohave | 92 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.