Alert archive / Texas / Flash Flood Warnings in 1993
Flash Flood Warning 29, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 13, 1993, 1:17 AM CDT for Gillespie County, Texas. It was in force for 118 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 1:17 AM CDT (06:17 UTC)
- Expired
- Sep 13, 1993, 3:15 AM CDT
- In force
- 118 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Gillespie County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.3 hours before the alert went out and 211 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
- 545 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAUS 130620 FFWAUS TXC171-130815- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN TX 117 AM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...GILLESPIE COUNTY AT 115 AM...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR ABOUT 5 MILES NORTHEAST OF FREDERICKSBURG. LARGE HAIL...STRONG WINDS TO NEAR 60 MPH...AND FREQUENT DANGEROUS LIGHTNING ARE POSSIBLE WITH THIS STORM. THIS STORM WAS MOVING TO THE NORTHEAST AT 15 MILES AN HOUR...AND IS LIKELY PRODUCING LOCALIZED FLASH FLOODING IN ADDITION. MOTORIST AND CAMPERS SHOULD SEEK A SAFE STURDY STRUCTURE ON HIGH GROUND AND AWAY FROM CREEKS AND STREAMS. WHEN THUNDERSTORMS ARE OCCURRING...GET INSIDE. DON'T USE TELE- PHONES OR ELECTRICAL APPLIANCES UNLESS ABSOLUTELY NECESSARY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD BE CAUTIOUS OF FLOODED ROADWAYS AND LOW WATER CROSSINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND AROUND 60 MPH OR HIGHER...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. SLOW DOWN OR MOVE COMPLETELY OFF ROADWAYS IN HEAVY RAINS. BRIEF LOCALIZED FLOODING ACCOMPANY MANY SEVERE THUNDERSTORMS. REMEMBER WE ISSUE WARNINGS ON A COUNTY BASIS.
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, Sep 12, 7:22 PM CDT, 5 hours 55 minutes before
TXZ039-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 720 PM CDT SUN SEP 13 1993 WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING ACROSS SOUTH OF SAN ANTONIO AND MOVING NORTHWARD ACROSS SAN ANTONIO THIS EVENING. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED NEAR HELOTES...WHILE OTHER SHOWERS AND THUNDERSTORMS WERE MOVING OVER THE DOWNTOWN AREA OF SAN ANTONIO. THESE THUNDERSTORMS WILL PRODUCE BRIEF BLINDING RAIN AND GUSTY WINDS DURING THE NEXT HOUR IN AND AROUND BEXAR COUNTY.
Special weather statement, Sep 13, 12:05 AM CDT, 1 hour 12 minutes before
TXZ034-035-130715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1205 AM CDT MON SEP 13 1993 ...THUNDERSTORMS CONTINUE ACROSS PORTIONS OF THE HILL COUNTRY... AT MIDNIGHT...SHOWERS AND THUNDERSTORMS STRETCHED ACROSS GILLESPIE... BLANCO...BURNET AND WILLIAMSON COUNTIES. THE THUNDERSTORMS...SOME WITH VERY HEAVY RAINS...WERE FROM KERRVILLE TO FREDERICKSBURG AND TO WEST OF JOHNSON CITY. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. UP TO 6 INCHES OF RAIN FELL OVER PARTS OF KERR COUNTY AS THESE STORMS MOVED ACROSS KERRVILLE. PERSONS IN GILLESPIE AND SURROUNDING COUNTIES OF THE HILL COUNTRY SHOULD KEEP ALERT TO THE POSSIBILTY OF HEAVY RAINS AND LOCALIZED FLOODING. MOTORIST ARE ADVISED TO SLOW DOWN AND WATCH FOR FLOODED LOW WATER CROSSING. NEVER ATTEMPT CROSSING FLOODED ROADWAYS AS YOU COULD BE SWEPT DOWNSTREAM. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS SHOULD CONDITIONS WARRANT. HOHMANN
Special weather statement, Sep 13, 12:08 AM CDT, 1 hour 9 minutes before
TXZ034-035-130715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1205 AM CDT MON SEP 13 1993 ...THUNDERSTORMS CONTINUE ACROSS PORTIONS OF THE HILL COUNTRY... AT MIDNIGHT...SHOWERS AND THUNDERSTORMS STRETCHED ACROSS GILLESPIE... BLANCO...BURNET AND WILLIAMSON COUNTIES. THE THUNDERSTORMS...SOME WITH VERY HEAVY RAINS...WERE FROM KERRVILLE TO FREDERICKSBURG AND TO WEST OF JOHNSON CITY. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN HOUR. UP TO 6 INCHES OF RAIN FELL OVER PARTS OF KERR COUNTY AS THESE STORMS MOVED ACROSS KERRVILLE. PERSONS IN GILLESPIE AND SURROUNDING COUNTIES OF THE HILL COUNTRY SHOULD KEEP ALERT TO THE POSSIBILTY OF HEAVY RAINS AND LOCALIZED FLOODING. MOTORIST ARE ADVISED TO SLOW DOWN AND WATCH FOR FLOODED LOW WATER CROSSING. NEVER ATTEMPT CROSSING FLOODED ROADWAYS AS YOU COULD BE SWEPT DOWNSTREAM. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS SHOULD: CONDITIONS WARRANT. HOHMANN
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 1:17 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 43 min |
| Sep 13, 6:58 PM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
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.