Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 101, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 1989, 3:45 PM CDT for Val Verde County, Texas. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1989, 3:45 PM CDT (20:45 UTC)
- Expired
- May 14, 1989, 4:30 PM CDT
- In force
- 45 min
- 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
- 2241 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 142045 COR SVRDRT TXC465-120610- BULETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DEL RIO TX 345 PM CDT SUN MAY 14 1989 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE AT 325 PM RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCATED 40 MILES NORTHWEST OF DEL RIO ON THE RIO GRANDE NEAR LANGTRY MOVING EAST AT 10 MPH. ANOTHER VERY STRONG THUNDERSTORM WAS LOCATED 75 MILES NORTHWEST OF DEL RIO NEAR THE PECOS RIVER IN NORTHWEST VAL VERDE COUNTY AND ALSO MOVING EAST AT 10 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LISTEN TO YOUR NOAA WEATHER RADIO...LOCAL RADIO STATIONS AND LOCAL CABLE TV FOR LATEST WEATHER INFORMATION.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 14, 3:14 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 315 PM CDT SUN MAY 14 1989 ...A TORNADO WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 10 PM CDT... AN INTENSE THUNDERSTORM HAS DEVELOPED NEAR LANGTRY IN SOUTHWEST VAL VEDE COUNTY...55 MILES NORTHWEST OF DEL RIO DURING THE LAST HOUR AND A HALF. A STORM OF THIS INTENSITY IS CAPABLE OF PRODUCING HAIL DANGEROUS LIGHTING AND STRONG WINDS. LITTLE MOVEMENT HAS BEEN SHOWN BY THIS INTENSE THUNDERSTORM IN THE PAST HOUR. THIS COULD LEAD TO HEAVY RAINS AND A RAPID RISE OF WATER IN STREAMS AND AT LOW WATER CROSSING. BOATERS AND RECREATIONISTS ON THE LOWER PECOS AND RIO GRANDE NEAR LANGTRY SHOULD LEAVE THE WATER IMMEDIATELY. MOTORISTS TRAVELLING ON HIGHWAY 90 IN WEST VAL VERDE COUNTY NEAR LANGTRY SHOULD EXPECT TO MEET WITH STRONG WINDS VERY HEAVY POSSIBLY BLINDING RAIN AND HAIL FROM THIS STORM. LOW VISIBILITY SLICK ROADS AND POOR BRAKING CONDITIONS CAN BE EXPECTED WHILE DRIVING NEAR THIS THUNDERSTORM. SHOULD A TORNADO BE SIGHTED...THE BEST SHELTER IS FOUND ON THE LOWEST LEVEL OF A HOME OR WELL BUILT BUILDING. PICK A SMALL ROOM IN THE CENTER F THE BUILDING SUCH AS A SMALL CLOSET...BATHROOM OR HALLWAY. STAY AWAY FROM ANY WINDOWS OR OUTSIDE WALLS. DO NOT STAY IN A VEHICLE OR MOBILE HOME AS THEY ARE EASILY TOSSED AND ROLLED BY HIGH WINDS. BOATERS ON AREA LAKES AN RIVERS SHOULD CONSIDER TAKING SAFETY PRECAUTIONS BEFORE THREATENING WEATHER APPROACHES. REMEMBER...MOST WEAHER RELATED DEATHS IN SOUTH TEXAS ARE DUE TO LIGHTING AND FLASH FLOODING. LISTEN TO COMMERCIAL RADIO...TV...OR WEATHER RADIO 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 |
|---|---|---|---|---|
| May 13, 7:06 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 69 min |
| May 13, 7:13 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 62 min |
| May 13, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 60 min |
| May 13, 9:04 PM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 41 min |
| May 14, 1:35 AM CDT | Severe Thunderstorm Warning | EWX | Goliad | 60 min |
| May 14, 4:30 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 14, 6:44 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 61 min |
| May 14, 6:50 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning in 1989
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.