Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 107, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 9, 2012, 4:04 PM MST for Mohave County, Arizona. It was in force for 116 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
- Aug 9, 2012, 4:04 PM MST (23:04 UTC)
- Expired
- Aug 9, 2012, 6:00 PM MST
- In force
- 116 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), 136 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 151 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
- 56 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 2173 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
989 WGUS55 KVEF 092304 FFWVEF AZC015-100100- /O.NEW.KVEF.FF.W.0107.120809T2304Z-120810T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 404 PM MST THU AUG 9 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 600 PM MST. * AT 353 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM JUST NORTH OF DIAMOND M RANCH...OR 36 MILES EAST OF KINGMAN. THE STORM PRODUCING VERY HEAVY RAIN WAS DRIFTING SOUTH AT 5 MPH. * LOCATIONS IMPACTED INCLUDE... 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 3545 11355 3545 11334 3520 11334 3519 11351 $$ JS
2 follow-up statements
854 WGUS75 KVEF 092359 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 459 PM MST THU AUG 9 2012 AZC015-100100- /O.CON.KVEF.FF.W.0107.000000T0000Z-120810T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 459 PM MST THU AUG 9 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR CENTRAL MOHAVE COUNTY... AT 446 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED NEAR DIAMOND M RANCH...OR 38 MILES EAST OF KINGMAN. THE THUNDERSTORM WITH EXCESSIVE RAIN WAS NEARLY STATIONARY. LOCATIONS IMPACTED INCLUDE... DIAMOND M RANCH AND MAINLY RURAL AREAS OF EAST CENTRAL MOHAVE COUNTY NORTH OF INTERSTATE 40. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3545 11355 3545 11334 3520 11334 3519 11351 $$ JS
090 WGUS75 KVEF 100057 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 557 PM MST THU AUG 9 2012 AZC015-100106- /O.EXP.KVEF.FF.W.0107.000000T0000Z-120810T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 557 PM MST THU AUG 9 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 PM MST FOR CENTRAL MOHAVE COUNTY... THUNDERSTORMS THAT PRODUCED THE EARLIER HEAVY RAIN HAVE DISSIPATED AND FLASH FLOODING IS NO LONGER EXPECTED. ELEVATED WATER LEVELS AND PONDING OF WATER IN LOW LYING AREAS IS STILL POSSIBLE THROUGH 8 PM. LAT...LON 3545 11355 3545 11334 3520 11334 3519 11351 $$ JS
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:43 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Aug 9, 2:58 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 9, 3:55 PM MST | Flash Flood Warning | VEF | Mohave | 102 min |
| Aug 9, 4:32 PM MST | Flash Flood Warning | VEF | Mohave | 118 min |
| Aug 9, 4:48 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 23 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.