Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 97, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 22, 2016, 3:31 PM MST for Mohave County, Arizona. It was in force for 6 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
- Aug 22, 2016, 3:31 PM MST (22:31 UTC)
- Expired
- Aug 22, 2016, 9:30 PM MST
- In force
- 6 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), 94 km from the middle of the area, began a volume at 22:33 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, 10.5 hours before the alert went out and 167 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
- 37 J/kg
- Mixed-layer CIN
- -312 J/kg
- Mixed-layer LCL
- 2354 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
733 WGUS55 KVEF 222231 FFWVEF AZC015-230130- /O.NEW.KVEF.FF.W.0097.160822T2231Z-160823T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 331 PM MST MON AUG 22 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA... * UNTIL 630 PM MST * AT 330 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GRAND CANYON SKYWALK...GRAND CANYON RANCH... PIERCE FERRY AND ANTARES ROADS...MEADVIEW AND VALENTINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3611 11387 3538 11341 3524 11375 3591 11436 $$ JH
4 follow-up statements
455 WGUS75 KVEF 230011 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 511 PM MST MON AUG 22 2016 AZC015-230130- /O.CON.KVEF.FF.W.0097.000000T0000Z-160823T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 511 PM MST MON AUG 22 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR CENTRAL MOHAVE COUNTY... AT 506 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN EAST OF DOLAN SPRINGS AND SOUTH TO VALENTINE. ADDITIONALLY...THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING OVER THE GOLDEN VALLEY AND KINGMAN AREAS MOVING TO THE NORTHEAST TOWARDS THE WARNED AREA. IN ADDITION TO THE HEAVY RAIN...WINDS GUSTING TO 50 MPH ARE POSSIBLE. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GRAND CANYON SKYWALK...GRAND CANYON RANCH...PIERCE FERRY AND ANTARES ROADS...MEADVIEW AND VALENTINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3611 11387 3538 11341 3524 11375 3591 11436 $$ JS
907 WGUS55 KVEF 230126 FFWVEF AZC015-230430- /O.EXT.KVEF.FF.W.0097.000000T0000Z-160823T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 626 PM MST MON AUG 22 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXTENDED THE * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA... * UNTIL 930 PM MST * AT 624 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUING TO PRODUCE HEAVY RAIN ACROSS THE WARNED AREA AND MORE STORMS FORMING TO THE WEST MOVING EAST. THEREFORE THE WARNING IS EXTENDED THROUGH 930 PM THIS EVENING. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GRAND CANYON SKYWALK...GRAND CANYON RANCH... PIERCE FERRY AND ANTARES ROADS...MEADVIEW AND VALENTINE. LAT...LON 3611 11387 3538 11341 3524 11375 3591 11436 $$ JS
203 WGUS75 KVEF 230312 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 812 PM MST MON AUG 22 2016 AZC015-230430- /O.CON.KVEF.FF.W.0097.000000T0000Z-160823T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 812 PM MST MON AUG 22 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MST FOR CENTRAL MOHAVE COUNTY... AT 809 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUE TO PRODUCE HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN AND FLASH FLOODING IS OCCURRING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GRAND CANYON SKYWALK...GRAND CANYON RANCH...PIERCE FERRY AND ANTARES ROADS...MEADVIEW AND VALENTINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3611 11387 3538 11341 3524 11375 3591 11436 $$ JS
412 WGUS75 KVEF 230422 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 922 PM MST MON AUG 22 2016 AZC015-230431- /O.EXP.KVEF.FF.W.0097.000000T0000Z-160823T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 922 PM MST MON AUG 22 2016 ...THE FLASH FLOOD WARNING FOR CENTRAL MOHAVE COUNTY WILL EXPIRE AT 930 PM MST... THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. HOWEVER...ONGING FLOODING PROBLEMS FROM EARLIER HEAVY RAIN IS POSSIBLE. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES AND WATCH FOR WATER COVERING THE ROADWAYS. LAT...LON 3611 11387 3538 11341 3524 11375 3591 11436 $$ JS
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 4:27 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.