Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 83, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 10, 2017, 2:35 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
- Aug 10, 2017, 2:35 PM MST (21:35 UTC)
- Expired
- Aug 10, 2017, 5:30 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), 122 km from the middle of the area, began a volume at 21:36 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, 9.6 hours before the alert went out and 164 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
- 61 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1935 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
750 WGUS55 KVEF 102135 FFWVEF AZC015-110030- /O.NEW.KVEF.FF.W.0083.170810T2135Z-170811T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 235 PM MST THU AUG 10 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... Central Mohave County in northwestern Arizona... * Until 530 PM MST * At 234 PM MST, Doppler radar indicated thunderstorms producing heavy rain over Valentine and Route 66 between mile markers 83 and 93. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Valentine and Peach Springs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3554 11345 3520 11347 3520 11381 3552 11378 $$ ASG
2 follow-up statements
596 WGUS75 KVEF 102246 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 346 PM MST THU AUG 10 2017 AZC015-110030- /O.CON.KVEF.FF.W.0083.000000T0000Z-170811T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mohave AZ- 346 PM MST THU AUG 10 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST FOR CENTRAL MOHAVE COUNTY... At 345 PM MST, Doppler radar showed thunderstorms continuing over portions of the warned area. Runoff from earlier heavy rains still has the potential of producing flash flooding through 530 pm. Some locations that will experience flooding include... Valentine and Peach Springs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3554 11345 3520 11347 3520 11381 3552 11378 $$ ASG
847 WGUS75 KVEF 102333 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 433 PM MST THU AUG 10 2017 AZC015-102343- /O.CAN.KVEF.FF.W.0083.000000T0000Z-170811T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mohave AZ- 433 PM MST THU AUG 10 2017 ...THE FLASH FLOOD WARNING FOR CENTRAL MOHAVE COUNTY IS CANCELLED... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3554 11345 3520 11347 3520 11381 3552 11378 $$ ASG
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.