Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 50, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 1, 2016, 2:47 PM PDT for San Bernardino County, California; Clark County, Nevada. 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 1, 2016, 2:47 PM PDT (21:47 UTC)
- Expired
- Aug 1, 2016, 5:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
Counties San Bernardino County, CA, Clark County, NV
The radar
The Las Vegas radar (KESX), 41 km from the middle of the area, began a volume at 21:47 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, 9.8 hours before the alert went out and 106 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
- 365 J/kg
- Mixed-layer CIN
- -262 J/kg
- Mixed-layer LCL
- 1839 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
611 WGUS55 KVEF 012147 FFWVEF CAC071-NVC003-020045- /O.NEW.KVEF.FF.W.0050.160801T2147Z-160802T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 247 PM PDT MON AUG 1 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA... SOUTHERN CLARK COUNTY IN SOUTHERN NEVADA... * UNTIL 545 PM PDT * AT 244 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN NORTH TO NORTHEAST OF NIPTON DRIFTING SLOWLY SOUTH. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. THIS WILL IMPACT HIGHWAY 164 FROM SEARCHLIGHT TO NIPTON. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NIPTON AND IVANPAH ROADS...NIPTON AND NIPTON ROAD MILE MARKER 3. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED ROADS. FIND AN ALTERNATE ROUTE. && LAT...LON 3542 11543 3567 11524 3552 11495 3526 11513 $$ ASG
2 follow-up statements
801 WGUS75 KVEF 012217 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 317 PM PDT MON AUG 1 2016 CAC071-NVC003-020045- /O.CON.KVEF.FF.W.0050.000000T0000Z-160802T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA-CLARK NV- 317 PM PDT MON AUG 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM PDT FOR NORTH CENTRAL SAN BERNARDINO AND SOUTHERN CLARK COUNTIES... AT 315 PM PDT...DOPPLER RADAR CONTINUED TO INDICATE HEAVY RAIN ASSOCIATED WITH THUNDERSTORMS NORTHEAST OF NIPTON DRIFTING SLOWLY SOUTHEAST. HEAVY RAIN WAS FALLING OVER HIGHWAY 164 BETWEEN SEARCHLIGHT AND NIPTON AND FLASH FLOODING IS LIKELY TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NIPTON AND IVANPAH ROADS...NIPTON AND NIPTON ROAD MILE MARKER 3. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED ROADS. FIND AN ALTERNATE ROUTE. && LAT...LON 3542 11543 3567 11524 3552 11495 3526 11513 $$ ASG
528 WGUS75 KVEF 012318 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 418 PM PDT MON AUG 1 2016 CAC071-NVC003-012327- /O.CAN.KVEF.FF.W.0050.000000T0000Z-160802T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA-CLARK NV- 418 PM PDT MON AUG 1 2016 ...THE FLASH FLOOD WARNING FOR NORTH CENTRAL SAN BERNARDINO AND SOUTHERN CLARK COUNTIES IS CANCELLED... THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT ALONG HIGHWAY 164 AND IN AND AROUND NIPTON. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3542 11543 3567 11524 3552 11495 3526 11513 $$ ASG
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 5:37 PM PDT | Areal Flood Advisory | VEF | Inyo | 3 hr |
| Aug 1, 1:54 PM PDT | Areal Flood Advisory | VEF | Inyo, San Bernardino | 3 hr |
| Aug 1, 2:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 1, 3:44 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 1, 4:51 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 31, 5:19 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 41 min |
| Jul 31, 5:52 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 3 hr |
| Jul 31, 6:37 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Jul 31, 7:28 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Aug 1, 2:33 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln | 26 hr |
| Aug 1, 4:43 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 47 min |
Nearby
Flash Flood Warnings in California, 2016Flash Flood Warnings in Nevada, 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.