Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 64, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 5, 1986, 3:50 PM CDT for Val Verde County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Oct 5, 1986, 3:50 PM CDT (20:50 UTC)
- Expired
- Oct 5, 1986, 7:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 8.8 hours before the alert went out and 66 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
- 831 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 052050 FFWDRT TXC465-060045- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 350 PM CDT SUN OCT 5 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 330 PM CDT SHOWERS AND HEAVY THUNDERSTORMS CONTINUED FROM 30 MILES SOUTHWEST OF DEL RIO NORTH ACROSS THE EASTERN HALF OF VAL VERDE COUNTY...NORTHEAST TO SONORA...THEN BACK SOUTHEAST TO ROCKSPRINGS. THE STRONGEST THUNDERSTORMS WERE SOUTH OF DEL RIO AND IN THE ROCKSPRINGS AREA. FROM 6 TO 10 INCHES OF RAIN HAS BEEN REPORTED ACROSS MOST OF NORTHERN VAL VERDE COUNTY WITH WIDE SPREAD FLOODING ALONG THE DEVILS RIVER. IT IS STILL RANING STEADY ACROSS THAT SAME AREA. HIGHWAYS 163 AND 189 ARE CLOSED WITH THE ROAD WASHED OUT BY MAYFIELD STORE JUST SOUTH OF JUNO ON HIGHWAY 163. THE DEVILS RIVER IS EXPECTED TO CREST NEAR 16 FEET AT BAKERS CROSSING SOMETIME TONIGHT. IT IS AT 8 FEET AND RISING NOW. FLOOD STAGE ON THE DEVILS RIVER IS 12 FEET SO LOWLAND FLOODING WILL OCCUR. RANCHERS SHOULD MOVE LIVESTOCK TO HIGHER GROUND IMMEDIATELY. AS RAIN CONTINUES ACROSS MOST OF THE COUNTY NOW AND IS EXPECTED TO CONTINUE THROUGH THE NIGHT THE FLOODING PROBLEM WILL BECOME MORE SEVERE. MOTORISTS ARE ADVISED NOT TO GO NORTH ON HIGHWAY 163 AND TO USE EXTREME CAUTION AND REMAIN ALERT IF TRAVELING NORTH THROUGHOUT VAL VERDE COUNTY TODAY. PARENTS SHOULD CLOSELY MONITOR CHILDREN PLAYING NEAR SWIFTLY MOVING WATERS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES..DIPS..OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM..EVEN A SMALL ONE..ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE TEXAS HILL COUNTRY AND ADJACENT EDWARDS PLATEAU NORTHWEST OF A EAGLE PASS...KERRVILL ...LLANO LINE. PERSONS WITHIN THE WATCH AREA SHOULD CONTINUE TO MONITOR NATIONAL WEATHER SERVICE RADIO...LOCAL RADIO STATIONS AND TV BROADCASTS FOR LATER INFORMATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 7:45 AM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Oct 5, 11:50 AM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
Nearby
Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986
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.