Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 193, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 10, 2012, 3:54 PM MST for Mohave County, Arizona. It was in force for 111 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 10, 2012, 3:54 PM MST (22:54 UTC)
- Expired
- Sep 10, 2012, 5:45 PM MST
- In force
- 111 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), 132 km from the middle of the area, began a volume at 22:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 10, 4:34 PM MST | FLASH FLOOD | 6 N Peach Springs, AZ | LOCAL LAW ENFORCEMENT REPORTED THAT DIAMOND CREEK ROAD WAS IMPASSABLE DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.9 hours before the alert went out and 156 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
- 214 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
256
WGUS55 KVEF 102254
FFWVEF
AZC015-110045-
/O.NEW.KVEF.FF.W.0193.120910T2254Z-120911T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
354 PM MST MON SEP 10 2012
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA...
* UNTIL 545 PM MST.
* AT 352 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM 3 MILES NORTHWEST OF PEACH
SPRINGS OR 12 MILES SOUTH OF DIAMOND CREEK CAMPGROUND. THE
THUNDERSTORM WAS MOVING NORTHEAST AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...
DIAMOND CREEK ROAD AND DIAMOND CREEK CAMPGROUND.
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 3576 11346 3575 11340 3578 11336 3555 11339
3554 11350
$$
JA2 follow-up statements
583
WGUS75 KVEF 110017
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
517 PM MST MON SEP 10 2012
AZC015-110045-
/O.CON.KVEF.FF.W.0193.000000T0000Z-120911T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
517 PM MST MON SEP 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM MST FOR
CENTRAL MOHAVE COUNTY...
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED DIAMOND CREEK ROAD NORTH OF
PEACH SPRINGS WAS IMPASSABLE AND HIGH WATER CONTINUED TO FLOW IN THE
WASHES OF DIAMOND CREEK CANYON. AN ADDITIONAL QUARTER OR HALF INCH
OF RAINFALL IS POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG...
NWSVEGAS.
&&
LAT...LON 3576 11346 3575 11340 3578 11336 3555 11339
3554 11350
$$
JA006
WGUS75 KVEF 110042
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
542 PM MST MON SEP 10 2012
AZC015-110047-
/O.EXP.KVEF.FF.W.0193.000000T0000Z-120911T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
542 PM MST MON SEP 10 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 545 PM MST FOR CENTRAL
MOHAVE COUNTY...
DOPPLER RADAR INDICATED MODERATE RAIN SHOWERS ENDED OVER DIAMOND
CREEK ROAD SHORTLY AFTER 5 PM MST AND NO SIGNIFICANT RAINFALL IS
EXPECTED FOR AT LEAST THE NEXT FEW HOURS. RUNOFF FROM THE EARLIER
HEAVY RAINFALL HAS LIKELY RECEDED AND THE FLASH FLOOD WARNING WILL
BE ALLOWED TO EXPIRE ON SCHEDULE.
LAT...LON 3576 11346 3575 11340 3578 11336 3555 11339
3554 11350
$$
JANearby
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.