Alert archive / Texas / Flash Flood Warnings in 1994
Flash Flood Warning 18, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 21, 1994, 4:22 PM CDT for Bandera County, Kerr County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1994, 4:22 PM CDT (21:22 UTC)
- Expired
- Aug 21, 1994, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Kerr County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.4 hours before the alert went out and 160 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
- 1194 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1093 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 20 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 KSAT 212125 FFWSAT TXC019-265-220030- FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 422 PM CDT SUN AUG 21 1994 THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNINGS FOR PERSONS IN KERR AND BANDERA COUNTY UNTIL 730 PM CDT. AT 422 PM CDT, THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE NEAR VANDERPOOL ALONG THE SABINAL RIVER, NEAR HUNT ALONG THE GUADALUPE RIVER, AND NEAR MEDINA ALONG THE MEDINA RIVER. DOPPLER RADAR INDICATED CONTINUED RAINFALL RATES OF OVER 4 INCHES PER HOUR OVER THESE AREAS. ALSO, GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. MOVE TO HIGHER GROUND AND SEEK SHELTER IMMEDIATELY. DO NOT DRIVE ACROSS AREAS WHER FLOWING WATER OR WATER OF UNKNOWN DEPTtH COVERS THE ROADWAY. STAY OUT OF LOW LYING AREAS. PASHOS &
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, Aug 21, 3:30 PM CDT, 52 minutes before
TXZ172>174-190>194-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 330 PM CDT SUN AUG 21 1994 ...THUNDERSTORMS APPROACHING AUSTIN... AT 325 PM THUNDERSTORMS WITH HEAVY RAIN WERE ALONG A LINE FROM OAK HILL TO 10 MILES SOUTH OF DRIPPING SPRINGS TO BLANCO TO FREDERICKSBURG. ISOLATED STORMS WERE NEAR MARBLE FALLS AND 10 MILES NORTHEAST OF JOHNSON CITY. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH. THE HEAVIEST RAIN WILL MOVE ACROSS THE SOUTHERN HALF OF AUSTIN BY 430 PM. THE THUNDERSTORMS ARE PRODUCING HEAVY RAIN...GUSTY WINDS AND OCCASIONAL LIGHTNING. PORTIONS OF NORTHERN WILLIAMSON COUNTY...AS WELL AS THE FREDERICKSBURG AREA...HAVE RECEIVED MORE THAN TWO INCHES OF RAIN TODAY. AREAS WHERE HEAVY RAIN OCCURS MAY EXPERIENCE BRIEF FLOODING OF CREEKS AND LOW SPOTS ON ROADWAYS...BUT FLASH FLOODING IS NOT LIKELY. LEACH
Special weather statement, Aug 21, 3:49 PM CDT, 33 minutes before
TXZ183-212150- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 350 PM CDT SUN AUG 21 1994 AT 345 PM CDT...NATIONAL WEATHER SERVICE RADAR AT HONDO INDICATED STRONG THUNDERSTORMS WITH HEAVY RAIN ALONG THE EAST VAL VERDE COUNTY LINE...FROM 25 MILES NORTHEAST TO 60 MILES NORTHEAST OF DEL RIO THROUGH EAST OF ROCKSPRINGS. MOVEMENT WAS TO THE SOUTHEAST AT 10 MPH. HAIL...HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. MOTORISTS TRAVELLING ALONG HIGHWAYS 277 AND 377 NORTH OUT OF DEL RIO SHOULD SLOW DOWN AND BE PREPARED FOR REDUCED VISIBILITIES IN THE HEAVY RAIN AND NOT TRY TO CROSS FLOODED LOW WATER CROSSINGS. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD REMAIN ALERT AND BE READY TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD...LIGHTNING IS SEEN OR WINDS BEGIN INCREASING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO STATIONS FOR` FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 21, 3:50 PM CDT, 32 minutes before
TXZ183-212150- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 350 PM CDT SUN AUG 21 1994 AT 345 PM CDT...NATIONAL WEATHER SERVICE RADAR AT HONDO INDICATED STRONG THUNDERSTORMS WITH HEAVY RAIN ALONG THE EAST VAL VERDE COUNTY LINE...FROM 25 MILES NORTHEAST TO 60 MILES NORTHEAST OF DEL RIO THROUGH EAST OF ROCKSPRINGS. MOVEMENT WAS TO THE SOUTHEAST AT 10 MPH. HAIL...HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. MOTORISTS TRAVELLING ALONG HIGHWAYS 277 AND 377 NORTH OUT OF DEL RIO SHOULD SLOW DOWN AND BE PREPARED FOR REDUCED VISIBILITIES IN THE HEAVY RAIN AND NOT TRY TO CROSS FLOODED LOW WATER CROSSINGS. BOATERS AND FISHERMEN ON LAKE AMISTAD AND SURROUNDING RIVERS SHOULD REMAIN ALERT AND BE READY TO MOVE TO SHORE AND AWAY FROM THE WATER IF THUNDER IS HEARD...LIGHTNING IS SEEN OR WINDS BEGIN INCREASING. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 21, 4:05 PM CDT, 17 minutes before
TXZ184>189-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 405 PM CDT SUN AUG 21 1994 ...THUNDERSTORMS MOVING THROUGH THE HILL COUNTRY... AT 400 PM CDT...DOPPLER RADAR INDICATED THAT A 40 MILE WIDE AREA OF SCATTERED THUNDERSTORMS IS MOVING THROUGH THE HILL COUNTRY. STRONG THUNDERSTORMS ARE 13 MILES WEST OF MEDINA, NEAR LEAKEY, AND 15 MILES SOUTH OF BANDERA, NEAR KENDALIA. VERY HEAVY RAINFALL IS INDICATED WITH THESE STORMS AS THEY MOVE TO THE SOUTHEAST AROUND 15 MPH. THE STORMS ARE ALONG A COLD FRONT THAT EXTENDS FROM COLLEGE STATION TO DEL RIO. THESE STORMS MAY PRODUCE LOCALLY HEAVY RAIN, GUSTY WINDS, AND DEADLY LIGHTNING. STAY OUT OF AREAS WHERE FLOWING WATER OR WATER OF UNKNOWN DEPTH COVERS THE ROADWAY. SEEK SHELTER IMMEDIATELY SHOULD A STORM APPROACH. AVOID LOW LYING AREAS. IF YOU SEE RAPIDLY RISING WATER, EVACUATE IMMEDIATELY, DO NOT WAIT FOR A WARNING TO BE ISSUED. PASHOS
Special weather statement, Aug 21, 4:07 PM CDT, 15 minutes before
TXZ184>189-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 405 PM CDT SUN AUG 21 1994 ...THUNDERSTORMS MOVING THROUGH THE HILL COUNTRY... AT 400 PM CDT...DOPPLER RADAR INDICATED THAT A 40 MILE WIDE AREA OF SCATTERED THUNDERSTORMS IS MOVING THROUGH THE HILL COUNTRY. STRONG THUNDERSTORMS ARE 13 MILES WEST OF MEDINA, NEAR LEAKEY, AND 15 MILES SOUTH OF BANDERA, NEAR KENDALIA. VERY HEAVY RAINFALL IS INDICATED WITH THESE STORMS AS THEY MOVE TO THE SOUTHEAST AROUND 15 MPH. THE STORMS ARE ALONG A COLD FRONT THAT EXTENDS FROM COLLEGE STATION TO DEL RIO. THESE STORMS MAY PRODUCE LOCALLY HEAVY RAIN, GUSTY WINDS, AND DEADLY LIGHTNING. STAY OUT OF AREAS WHERE FLOWING WPATER OR WATER OF UNKNOWN DEPTH COVERS THE ROADWAY. SEEK SHELTER IMMEDIATELY SHOULD A STORM APPROACH. AVOID LOW LYING AREAS. IF YOU SEE RAPIDLY RISING WATER, EVACUATE IMMEDIATELY, DO NOT WAIT FOR A WARNING TO BE ISSUED. PASHOS
Special weather statement, Aug 21, 4:12 PM CDT, 10 minutes before
TXZ172>174-190>194-208-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 412 PM CDT SUN AUG 21 1994 ...THUNDERSTORMS APPROACHING AUSTIN... AT 410 PM STRONG THUNDERSTORMS WERE ALONG I-35 BETWEEN KYLE AND SAN MARCOS. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 20 MPH. THESE STORMS ARE PRODUCING STRONG GUSTY WINDS...HEAVY RAINFALL AND OCCASIONAL LIGHTNING. OTHER STORMS WERE BETWEEN BLANCO...FREDERICKSBURG AND JOHNSON CITY. THESE STORMS WERE ALSO MOVING SOUTHEAST AT 20 MPH. AREAS NEAR THE STRONG STORMS MAY EXPERIENCE BRIEF FLOODING OF CREEKS AND LOW SPOTS ON ROADWAYS...BUT FLASH FLOODING IS NOT LIKELY. LEACH
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:30 PM CDT | Flash Flood Warning | EWX | Kerr | 60 min |
| Aug 21, 3:41 PM CDT | Flash Flood Warning | EWX | Bandera | 41 min |
Nearby
Flash Flood Warnings in Texas, 1994Every flash flood 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.