Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 81, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 9, 2016, 6:56 PM MST for Mohave County, Arizona. It was in force for 4 hr. 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
- Aug 9, 2016, 6:56 PM MST (01:56 UTC)
- Expired
- Aug 9, 2016, 11:00 PM MST
- In force
- 4 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), 128 km from the middle of the area, began a volume at 01:59 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 |
|---|---|---|---|
| Aug 9, 8:00 PM MST | HEAVY RAIN 2.56 | 17 N Peach Springs, AZ | DIAMOND CREEK USGS STATION. THE DURATION OF THE HEAVY RAIN EVENT WAS 3 HOURS. |
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 00:00Z, 1.9 hours before the alert went out and 159 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
- 388 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
634 WGUS55 KVEF 100156 FFWVEF AZC015-100600- /O.NEW.KVEF.FF.W.0081.160810T0156Z-160810T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 656 PM MST TUE AUG 9 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA... * UNTIL 1100 PM MST * AT 655 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY ALONG DIAMOND CREEK ROAD NORTH OF PEACH SPRINGS. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAMOND CREEK CAMPGROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3556 11360 3577 11350 3579 11334 3556 11333 $$ BP
3 follow-up statements
120 WGUS75 KVEF 100242 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 742 PM MST TUE AUG 9 2016 AZC015-100600- /O.CON.KVEF.FF.W.0081.000000T0000Z-160810T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 742 PM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM MST FOR CENTRAL MOHAVE COUNTY... AT 739 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUE TO PRODUCE HEAVY RAIN ALONG DIAMOND CREEK ROAD NORTH OF PEACH SPRINGS. FLASH FLOODING IS OCCURRING. AN AUTOMATED STREAM GAGE ON DIAMOND CREEK INDICATES BETWEEN 2 AND 3 FEET OF WATER FLOWING DOWN DIAMOND CREEK INTO THE COLORADO RIVER. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAMOND CREEK CAMPGROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3556 11360 3577 11350 3579 11334 3556 11333 $$ BP
966 WGUS75 KVEF 100429 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 929 PM MST TUE AUG 9 2016 AZC015-100600- /O.CON.KVEF.FF.W.0081.000000T0000Z-160810T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 929 PM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM MST FOR CENTRAL MOHAVE COUNTY... AT 925 PM MST...AN AUTOMATED GAUGE REPORTS FLOOD WATERS BETWEEN A DEPTH OF 1 TO 2 FEET CONTINUE IN DIAMOND CREEK NORTH OF PEACH SPRINGS. FLASH FLOODING WILL CONTINUE THROUGH LATE EVENING BEFORE THE WATER RECEDES. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAMOND CREEK CAMPGROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 3556 11360 3577 11350 3579 11334 3556 11333 $$ BP
109 WGUS75 KVEF 100601 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 1101 PM MST TUE AUG 9 2016 AZC015-100610- /O.EXP.KVEF.FF.W.0081.000000T0000Z-160810T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 1101 PM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING FOR CENTRAL MOHAVE COUNTY HAS EXPIRED... FLOOD WATERS WERE RECEDED NEAR DIAMOND CREEK ROAD NORTH OF PEACH SPRINGS. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3556 11360 3577 11350 3579 11334 3556 11333 $$ JA
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:37 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Aug 9, 5:47 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Aug 10, 12:40 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Aug 10, 2:35 PM MST | Flash Flood Warning | VEF | Mohave | 115 min |
| Aug 10, 3:32 PM MST | Flash Flood Warning | VEF | Mohave | 6 hr |
| Aug 10, 4:18 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 10, 4:59 PM MST | Flash Flood Warning | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.