Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 119, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 27, 2016, 4:04 PM PDT for San Bernardino County, California. 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 27, 2016, 4:04 PM PDT (23:04 UTC)
- Expired
- Aug 27, 2016, 7:00 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County San Bernardino County, CA
The radar
The Las Vegas radar (KESX), 72 km from the middle of the area, began a volume at 23:06 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, 11.1 hours before the alert went out and 118 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1919 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
203 WGUS55 KVEF 272304 FFWVEF CAC071-280200- /O.NEW.KVEF.FF.W.0119.160827T2304Z-160828T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 404 PM PDT SAT AUG 27 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA... * UNTIL 700 PM PDT * AT 403 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN OVER CIMA ROAD IN THE MOJAVE NATIONAL PRESERVE. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CIMA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3545 11548 3517 11538 3511 11559 3541 11571 $$ MORGAN
2 follow-up statements
775 WGUS75 KVEF 272345 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 445 PM PDT SAT AUG 27 2016 CAC071-280200- /O.CON.KVEF.FF.W.0119.000000T0000Z-160828T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA- 445 PM PDT SAT AUG 27 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR NORTH CENTRAL SAN BERNARDINO COUNTY... AT 443 PM PDT...DOPPLER RADAR INDICATED THAT RAIN HAD MOVED AWAY FROM CIMA ROAD AND KELSO CIMA ROAD. HOWEVER, VERY HEAVY RAIN FELL ON THESE ROADS, AND WASHES MAY STILL BE FLOWING OVER THE ROAD. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CIMA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND OTHER LOW LYING SPOTS. && LAT...LON 3545 11548 3517 11538 3511 11559 3541 11571 $$ MORGAN
525 WGUS75 KVEF 280042 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 542 PM PDT SAT AUG 27 2016 CAC071-280051- /O.CAN.KVEF.FF.W.0119.000000T0000Z-160828T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA- 542 PM PDT SAT AUG 27 2016 ...THE FLASH FLOOD WARNING FOR NORTH CENTRAL SAN BERNARDINO COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED OVER CIMA ROAD AND KELSO CIMA ROAD. NO REPORTS OF FLOODING HAVE BEEN RECEIVED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3545 11548 3517 11538 3511 11559 3541 11571 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 9:23 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 52 min |
| Aug 26, 9:26 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 9:40 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 35 min |
| Aug 26, 9:44 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Aug 26, 10:01 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 10:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Aug 26, 10:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 10:50 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Aug 27, 5:06 AM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
Nearby
Flash Flood Warnings in California, 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.