Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 5, 1993, 2:25 PM CDT for Comal County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 1993, 2:25 PM CDT (19:25 UTC)
- Expired
- May 5, 1993, 6:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Comal County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 7.4 hours before the alert went out and 248 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
- NaN m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 051926 FFWSAT TXC091-052300- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 225 PM CDT WED MAY 5 1993 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...COMAL COUNTY STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS COMAL COUNTY DUMPING HEAVY RAINS EARLY THIS AFTERNOON. THE WIDESPREAD HEAVY RAINS WILL CONTINUE ACROSS COMAL AND SURROUNDING COUNTIES FOR THE NEXT FEW HOURS...MAINTAINING THE THREAT OF FLASH FLOODING THROUGH THE AFTERNOON. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND OTHER PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.
What forecasters said that day
The local office's own words before this flash flood 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 5, 9:19 AM CDT, 5 hours 6 minutes before
TXZ034-035-036-037-051515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 919 AM CDT WED MAY 5 1993 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 4 PM FOR TRAVIS ... HAYS...CALDWELL...BASTROP...LEE...BURLESON...AND FAYETTE COUNTIES... AT 915 AM...SHOWERS AND THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGEST THUNDERSTORMS WERE FROM SAN MARCOS AND LULING TO FLATONIA AND ROSANKY...AND FROM ROSANKY TO COLLEGE STATION. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THE STRONGEST STORMS ARE CAPABLE OF HAIL...DANGEROUS FREQUENT LIGHTNING AND TORRENTIAL DOWNPOURS. PERSONS ACROSS SOUTH TEXAS...EPSECIALLY IN AREAS EAST AND SOUTH OF AUSTIN SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED. HOHMANN
Special weather statement, May 5, 9:20 AM CDT, 5 hours 5 minutes before
TXZ034-035-036-037-051515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 919 AM CDT WED MAY 5 1993 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 4 PM FOR TRAVIS ... HAYS...CALDWELL...BASTROP...LEE...BURLESON...AND FAYETTE COUNTIES... AT 915 AM...SHOWERS AND THUNDERSTORMS WERE WIDESPREAD ACROSS SOUTH TEXAS. THE STRONGEST THUNDERSTORMS WERE FROM SAN MARCOS AND LULING TO FLATONIA AND ROSANKY...AND FROM ROSANKY TO COLLEGE STATION. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THE STRONGEST STORMS ARE CAPABLE OF HAIL...DANGEROUS FREQUENT LIGHTNING AND TORRENTIAL DOWNPOURS. PERSONS ACROSS SOUTH TEXAS...EPSECIALLY IN AREAS EAST AND SOUTH OF $AUSTIN SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED. HOHMANN
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 5:15 AM CDT | Flash Flood Warning | EWX | Zavala | 90 min |
| May 5, 5:15 AM CDT | Severe Thunderstorm Warning | EWX | Zavala | 90 min |
| May 5, 7:02 AM CDT | Severe Thunderstorm Warning | EWX | Jackson | 58 min |
| May 5, 11:24 AM CDT | Flash Flood Warning | EWX | Bastrop | 3 hr |
| May 5, 11:46 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 3 hr |
| May 5, 1:04 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 56 min |
| May 5, 2:11 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 34 min |
| May 5, 2:30 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Uvalde | 60 min |
| May 5, 3:19 PM CDT | Flash Flood Warning | EWX | Bandera, Medina | 3 hr |
| May 5, 3:27 PM CDT | Severe Thunderstorm Warning | EWX | Victoria | 63 min |
| May 5, 4:16 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 59 min |
| May 5, 4:37 PM CDT | Severe Thunderstorm Warning | EWX | Victoria | 68 min |
| May 5, 5:52 PM CDT | Flash Flood Warning | EWX | Victoria | 2 hr |
| May 5, 6:08 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 67 min |
Nearby
Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993
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.