Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 7, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 17, 2017, 4:07 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
- Jul 17, 2017, 4:07 PM MST (23:07 UTC)
- Expired
- Jul 17, 2017, 7:00 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), 127 km from the middle of the area, began a volume at 23:11 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 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
- 53 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
303 WGUS55 KVEF 172307 FFWVEF AZC015-180200- /O.NEW.KVEF.FF.W.0007.170717T2307Z-170718T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 407 PM MST MON JUL 17 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... Central Mohave County in northwestern Arizona... * Until 700 PM MST * At 405 PM MST, Doppler radar indicated thunderstorms producing heavy rain in the Valentine area. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Valentine, Hackberry Rd from Valentine to US Highway 93, Dw Ranch Road, Diamond M Ranch and Blake Ranch Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3511 11391 3540 11371 3541 11333 3493 11334 $$ AA
1 follow-up statement
864 WGUS75 KVEF 180153 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 653 PM MST MON JUL 17 2017 AZC015-180200- /O.EXP.KVEF.FF.W.0007.000000T0000Z-170718T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mohave AZ- 653 PM MST MON JUL 17 2017 ...THE FLASH FLOOD WARNING FOR CENTRAL MOHAVE COUNTY WILL EXPIRE AT 700 PM MST... While heavy rain is still possible through out the area, however thunderstorms should become more isolated. Th flash flood threat has decreased, however flooding is possible in spots. A flood advisory has replaced the flash flood warning. Do not drive through water, and be especially careful driving at night. LAT...LON 3511 11391 3540 11371 3541 11333 3493 11334 $$ AA
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:02 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Jul 16, 5:17 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Jul 16, 5:51 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 24 min |
| Jul 17, 8:21 AM MST | Flash Flood Watch | VEF | Mohave | 14 hr |
| Jul 17, 2:25 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 65 min |
| Jul 17, 3:25 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2017Every flash flood warning in 2017
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.