Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Apr 11, 2016, 1:31 PM MST for Mohave County, Arizona. It was in force for 3 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
- Apr 11, 2016, 1:31 PM MST (20:31 UTC)
- Expired
- Apr 11, 2016, 4:30 PM MST
- In force
- 3 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), 44 km from the middle of the area, began a volume at 20:33 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 12:00Z, 8.5 hours before the alert went out and 126 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
- 13 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
699
WGUS55 KVEF 112031
FFWVEF
AZC015-112330-
/O.NEW.KVEF.FF.W.0004.160411T2031Z-160411T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
131 PM MST MON APR 11 2016
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN MOHAVE COUNTY IN NORTHWESTERN ARIZONA...
* UNTIL 430 PM MST
* AT 130 PM MST...THE PUBLIC REPORTED HEAVY RAIN OVER MAINLY RURAL
AREAS OF MOHAVE COUNTY...NEAR WHITE HILLS. THE RAIN WILL CONTINUE.
FLASH FLOODING OF NORMALLY DRY WASHES IS EXPECTED TO BEGIN SHORTLY.
* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF WESTERN
MOHAVE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
ROADS. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO
CROSS A FLOODED ROAD OR ENTER A FLOOD CHANNEL. TURN AROUND...DONT
DROWN! REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
&&
LAT...LON 3562 11442 3572 11448 3581 11452 3583 11432
3568 11427
$$
BP2 follow-up statements
168
WGUS75 KVEF 112109
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
209 PM MST MON APR 11 2016
AZC015-112330-
/O.CON.KVEF.FF.W.0004.000000T0000Z-160411T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
209 PM MST MON APR 11 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 PM MST FOR
WESTERN MOHAVE COUNTY...
AT 205 PM MST...GAUGE REPORTS INDICATED THAT JUST OVER A HALF AN
INCH OF RAIN FELL NEAR THE INTERSECTION OF HIGHWAY 93 AND WHITE
HILLS ROAD. SOME WATER MAY LIKELY BE FLOWING ACROSS WHITE HILLS ROAD
WHERE IT CROSSES THE DETRITAL WASH.
THE AREA OF HEAVY RAIN HAS DIMINISHED BUT FLASH FLOODING
WILL LIKELY CONTINUE TO OCCUR.
FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF WESTERN MOHAVE
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
ROADS. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO
CROSS A FLOODED ROAD OR ENTER A FLOOD CHANNEL. TURN AROUND...DONT
DROWN! REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
&&
LAT...LON 3562 11442 3572 11448 3581 11452 3583 11432
3568 11427
$$
BP330
WGUS75 KVEF 112327
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
427 PM MST MON APR 11 2016
AZC015-112331-
/O.EXP.KVEF.FF.W.0004.000000T0000Z-160411T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
427 PM MST MON APR 11 2016
...THE FLASH FLOOD WARNING FOR WESTERN MOHAVE COUNTY WILL EXPIRE AT
430 PM MST...
FLOOD WATERS FROM EARLIER HEAVY RAIN SHOWERS NEAR HIGHWAY 93 BETWEEN
DOLAN SPRINGS AND TEMPLE BAR ROAD HAVE RECEDED.
LAT...LON 3562 11442 3572 11448 3581 11452 3583 11432
3568 11427
$$
JGAThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 3:07 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
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.