Alert archive / Texas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 80, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 1994, 1:05 AM CDT for Webb County, Texas. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- May 9, 1994, 1:05 AM CDT (06:05 UTC)
- Expired
- May 9, 1994, 2:00 AM CDT
- In force
- 55 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Webb County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.1 hours before the alert went out and 196 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
- 2104 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 090607 SVRSAT TXC479-090700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 105 AM CDT MON MAY 9 1994 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...WEBB COUNTY AT 100 AM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING INTO THE NORTHERN PORTION OF WEBTB COUNTY 40 MILES NORTHWEST OF LAREDO MOVING EAST SOUTHEAST AT 25 MPH.
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 8, 10:31 PM CDT, 2 hours 34 minutes before
TXZ184>189-202>207-217>223-228>230-239-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1032 PM CDT SUN MAY 8 1994 SCATTERED THUNDERSTORMS CONTINUED AT 1025 PM IN AN AREA FROM DEL RIO TO JUNCTION TO UVALDE AND EAGLE PASS. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 30 MPH. BECAUSE OF THE VERY MOIST AND UNSTABLE AIRMASS ACROSS SOUTH CENTRAL TEXAS TONIGHT...THESE THUNDERSTORMS HAVE THE POTENTIAL TO BECOME SEVERE...AND PRODUCE LARGE HAIL OR DAMAGING WIND LATER THIS EVENING. REPORTS FROM DEL RIO...BRACKETTVILLE AND EAGLE PASS INDICATE THE STORMS HAVE CONTINUED TO PRODUCE VERY HEAVY RAINFALL. AT 1025 PM...THE HEAVIEST RAIN WAS FALLING JUST WEST OF BRACKETTVILLE AND SOUTHWEST OF EAGLE PASS...AND PREPARING TO MOVE INTO THOSE TWO CITIES. RAINFALL RATES WERE ESTIMATED BY RADAR AT NEARLY 2 INCHES AN HOUR IN THE STRONGER STORMS. BECAUSE OF THE HEAVY RAIN THAT FELL LAST NIGHT ACROSS THIS AREA...LOW WATER CROSSINGS AND POORLY-DRAINED AREAS COULD FILL QUICKLY WITH WATER FROM RUNOFF. MOTORISTS IN THE PATH OF THESE STORMS MUST KEEP THE POSSIBILITY OF HEAVY RAIN IN MIND...AND BE SURE NOT TO TRY TO CROSS THROUGH DEEP WATER. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD INTO SOUTH CENTRAL TEXAS THROUGH THE LATE NIGHT HOURS AND INTO EARLY MONDAY MORNING.
Special weather statement, May 8, 10:32 PM CDT, 2 hours 33 minutes before
TXZ184>189-202>207-217>223-228>230-239-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1032 PM CDT SUN MAY 8 1994 SCATTERED THUNDERSTORMS CONTINUED AT 1025 PM IN AN AREA FROM DEL RIO TO JUNCTION TO UVALDE AND EAGLE PASS. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 30 MPH. BECAUSE OF THE VERY MOIST AND UNSTABLE AIRMASS ACROSS SOUTH CENTRAL TEXAS TONIGHT...THESE THUNDERSTORMS HAVE THE POTENTIAL TO BECOME SEVERE...AND PRODUCE LARGE HAIL OR DAMAGING WIND LATER THIS EVENING. REPORTS FROM DEL RIO...BRACKETTVILLE AND EAGLE PASS INDICATE THE STORMS HAVE CONTINUED TO PRODUCE VERY HEAVY RAINFALL. AT 1025 PM...THE HEAVIEST RAIN WAS FALLING JUST WEST OF BRACKETTVILLE AND SOUTHWEST OF EAGLE PASS...AND PREPARING TO MOVE INTO THOSE TWO CITIES. RAINFALL RATES WERE ESTIMATED BY RADAR AT NEARLY 2 INCHES AN HOUR IN THE STRONGER STORMS. BECAUSE OF THE HEAVY RAIN THAT FELL LAST NIGHT ACROSS THIS AREA...LOW WATER CROSSINGS AND POORLY-DRAINED AREAS COULD FILL QUICKLY WITH WATER FROM RUNOFF. MOTORISTS IN THE PATH OF THESE STORMS MUST KEEP THE POSSIBILITY OF HEAVY RAIN IN MIND...AND BE SURE NOT TO TRY TO CROSS THROUGH DEEP WATER. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD INTO SOUTH CENTRAL TEXAS THROUGH THE LATE NIGHT HOURS AND INTO EARLY MONDAY MORNING.
Special weather statement, May 8, 11:08 PM CDT, 1 hour 57 minutes before
TXZ183-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1110 PM CDT SUN MAY 8 1994 AT 1105 PM...RADAR INDICATED NO SHOWERS OR THUNDERSTORMS IN VAL VERFDE COUNTY. ELSEWHERE...STRONG THUNDERSTORMS WERE OCCURING 50 MILES SOUTH OF DEL RIO IN MEXICO. MOVEMENT OF THE STORMS IN MEXICO WERE TO THE EAST AT 30 MPH. DUE TO THE HEAVY RAINFALL...MOTORISTS SHOULD EXCERCISE CAUTION WHEN DRIVING THROUGH TOWN. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. STAY TUNED TO NOAA WEATHER RADIO OR TV STATIONS FOR FURTHER STATEMENTS dOR POSSIBLE WARNINGS.
Special weather statement, May 8, 11:10 PM CDT, 1 hour 55 minutes before
TXZ183-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1110 PM CDT SUN MAY 8 1994 AT 1105 PM...RADAR INDICATED NO SHOWERS OR THUNDERSTORMS IN VAL VERFDE COUNTY. ELSEWHERE...STRONG THUNDERSTORMS WERE OCCURING 50 MILES SOUTH OF DEL RIO IN MEXICO. MOVEMENT OF THE STORMS IN MEXICO WERE TO THE EAST AT 30 MPH. DUE TO THE HEAVY RAINFALL...MOTORISTS SHOULD EXCERCISE CAUTION WHEN DRIVING THROUGH TOWN. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. STAY TUNED TO NOAA WEATHER RADIO OR TV STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 8, 11:28 PM CDT, 1 hour 37 minutes before
TXZ184>189-202>207-217>223-228>230-239-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1128 PM CDT SUN MAY 8 1994 AT 1120 PM...SCATTERED SHOWERS AND THUNDERSTORMS WERE INDICATED BY WEATHER SERVICE RADAR FROM JUST EAST OF DEL RIO TO JUNCTION TO UVALDE AND CRYSTAL CITY. THE THUNDERSTORMS WERE STILL MOVING TOWARD THE NORTHEAST AT 30 MPH. VERY MOIST AND UNSTABLE AIR REMAINS IN THE LOW LEVELS OF THE ATMOSPHERE OVER SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS DEVELOPING IN THIS VERY RICH ENVIRONMENT WOULD THE POTENTIAL TO BECOME SEVERE...MEANING THEY COULD PRODUCE LARGE HAIL OR DAMAGING WIND. AT 1120 PM...HEAVY RAIN WAS INDICATED SOUTHEAST OF EAGLE PASS AND ACROSS THE RIO GRANDE IN MEXICO...WEST THROUGH SOUTHWEST OF EAGLE PASS. THE THUNDERSTORMS IN MEXICO WERE VERY STRONG...PRODUCING HEAVY RAIN AND MOVING EASTWARD TOWARD EL INDIO IN SOUTHERN MAVERICK COUNTY AND THE NORTHWESTERN PORTION OF WEBB COUNTY. SO FAR...ONLY WIND GUSTS TO 25 MPH AND VERY HEAVY RAIN HAVE BEEN REPORTED WITH THESE THUNDERSTORMS. RAINFALL RATES AT TIMES HAVE BEEN ESTIMATED BY RADAR AT NEARLY 2 INCHES AN HOUR IN THE STRONGER STORMS. THIS COULD LEAD TO VERY QUICK RUNOFF SINCE SOILS IN THIS AREA ARE STILL SATURATED FROM HEAVY RAIN EARLY THIS MORNING. LOW WATER CROSSINGS AND POORLY-DRAINED AREAS COULD FILL QUICKLY WITH WATER...SO MOTORISTS MUST STAY AWAY FROM DEEP WATER...AND NOT TRY TO CROSS THROUGH IT. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD INTO SOUTH CENTRAL TEXAS THROUGH THE LATE NIGHT HOURS AND INTO EARLY MONDAY MORNING.
Special weather statement, May 8, 11:28 PM CDT, 1 hour 37 minutes before
TXZ184>189-202>207-217>223-228>230-239-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1128 PM CDT SUN MAY 8 1994 AT 1120 PM...SCATTERED SHOWERS AND THUNDERSTORMS WERE INDICATED BY WEATHER SERVICE RADAR FROM JUST EAST OF DEL RIO TO JUNCTION TO UVALDE AND CRYSTAL CITY. THE THUNDERSTORMS WERE STILL MOVING TOWARD THE NORTHEAST AT 30 MPH. VERY MOIST AND UNSTABLE AIR REMAINS IN THE LOW LEVELS OF THE ATMOSPHERE OVER SOUTH CENTRAL TEXAS TONIGHT. THUNDERSTORMS DEVELOPING IN THIS VERY RICH ENVIRONMENT WOULD THE POTENTIAL TO BECOME SEVERE...MEANING THEY COULD PRODUCE LARGE HAIL OR DAMAGING WIND. AT 1120 PM...HEAVY RAIN WAS INDICATED SOUTHEAST OF EAGLE PASS AND ACROSS THE RIO GRANDE IN MEXICO...WEST THROUGH SOUTHWEST OF EAGLE PASS. THE THUNDERSTORMS IN MEXICO WERE VERY STRONG...PRODUCING HEAVY RAIN AND MOVING EASTWARD TOWARD EL INDIO IN SOUTHERN MAVERICK COUNTY AND THE NORTHWESTERN PORTION OF WEBB COUNTY. SO FAR...ONLY WIND GUSTS TO 25 MPH AND VERY HEAVY RAIN HAVE BEEN REPORTED WITH THESE THUNDERSTORMS. RAINFALL RATES AT TIMES HAVE BEEN ESTIMATED BY RADAR AT NEARLY 2 INCHES AN HOUR IN THE STRONGER STORMS. THIS COULD LEAD TO VERY QUICK RUNOFF SINCE SOILS IN THIS AREA ARE STILL SATURATED FROM HEAVY RAIN EARLY THIS MORNING. LOW WATER CROSSINGS AND POORLY-DRAINED AREAS COULD FILL QUICKLY WITH WATER...SO MOTORISTS MUST STAY AWAY FROM DEEP WATER...AND NOT TRY TO CROSS THROUGH IT. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO SPREAD EASTWARD INTO SOUTH CENTRAL TEXAS THROUGH THE LATE NIGHT HOURS AND INTO EARLY MONDAY MORNING.
Nearby
Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994
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.