Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 4, NWS Austin/San Antonio, TX

May 15, 1994Edwards County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 15, 1994, 12:30 AM CDT for Edwards County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 15, 1994, 12:30 AM CDT (05:30 UTC)
Expired
May 15, 1994, 3:30 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Edwards County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.5 hours before the alert went out and 284 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 1994-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
436 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
2113 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 150532
FFWSAT
TXC137-150830-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1230 AM CDT SUN MAY 15 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...EDWARDS COUNTY
 
AT 1230 AM SHOWERS AND THUNDERSTORMS CONTINUED OVER EDWARDS COUNTY AND
WERE CAUSING HEAVY RAINS AS THE STORMS CONTINUE TO MOVE SOUTHEAST AT
10 MILES AN HOUR.  THESE HEAVY RAINS WILL CAUSE FLOODING IN LOW LYING AR
SOVER EDWARDS COUNTY FOR THE NEXT FEW HOURS.
 
STRONG GUSTY WINDS AND SOME HAIL WILL ALSO OCCUR WITH THESE THUNDERSTORMOVER EDWARDS COUNTY.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS OBSERVED
ACT QUICKLY.  MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
AVOID ALREADY FLOODED AREAS.  TRAVELERS SHOULD NOT ATTEMPT TO
CROSS FLOODED ROADS.  IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE
IMMEDIATELY TO HIGHER GROUND.

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 14, 11:35 PM CDT, 55 minutes before
TXZ183-150530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1135 PM CDT SAT MAY 14 1994

...THUNDERSTORMS ENTERING EXTREME NORTHEASTERN VAL VERDE COUNTY...

AT 1130 PM CDT...A LINE OF STRONG THUNDERSTORMS HAD MOVED INTO THE
EXTREME NORTHEAST CORNER OF VAL VERDE COUNTY AND EXTENDING EAST INTO
THE TEXAS HILL COUNTRY NORTH OF SAN ANTONIO. THIS LINE OF THUNDERSTORMS
WERE MOVING TO THE SOUTH SOUTHEAST AT 10 MILES AN HOUR. VERY HEAVY
RAINS...SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS WERE REPORTED
OUT OF THESE STORMS AS THEY PASSED THROUGH THE SONORA AREA.

MOTORISTS TRAVELING NORTH ON HIGHWAY 277N TO SONORA OR HIGHWAY 189
SHOULD BE ALERT FOR POSSIBLE BRIEF SEVERE WEATHER AND HEAVY RAINS
PRODUCING SOME FLOODING OF LOW WATER CROSSINGS. THIS AREA OF THE COUNTY
HAD RECEIVED ANYWHERE FROM 4 TO 6 INCHES OF RAIN DURING THE PAST FEW
DAYS AND ADDITIONAL WATER FROM THE RAIN TONIGHT WILL BE QUICK TO RUNOFF.

BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO SEEK SAFE
HARBOR IF THESE STORMS APPROACH THEIR AREA.
Special weather statement, May 14, 11:35 PM CDT, 55 minutes before
TXZ184>187-189-202>207-217>223-228>230-239-150630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1135 PM CDT SAT MAY 14 1994

...SHOWERS AND THUNDERSTORMS OVER PARTS OF SOUTH CENTRAL TEXAS...

AT 1130 PM CDT,  AN AREA OF SHOWERS AND THUNDERSTORMS STRETCHED FROM
NORTH OF ROCKSPRINGS EASTWARD TO KERRVILLE AND BANDERA AND TO SAN ANTONIO
AND NEW BRAUNFELS.

THIS AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE SOUTH AND SOUTHEAST
IN THE NEXT FEW HOURS AND AFFECT SOUTH CENTRAL TEXAS, INCLUDING THE
SAN ANTONIO METROPOLITAN AREA, AND SOUTHERN PARTS OF THE HILL COUNTRY.

SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED IN WEST AND NORTHWEST WEBB
COUNTY AND WILL AFFECT WEBB COUNTY AND PARTS OF LA SALLE COUNTY, INCLUDING
THE LAREDO METROPOLITAN AREA IN THE NEXT FEW HOURS.

STRONG GUSTY WIND...PERIODS OF HEAVY RAIN...FREQUENT LIGHTNING AND SOME
HAIL WILL OCCUR FROM THE STRONGER THUNDERSTORMS AS THEY AFFECT
THE SOUTHERN PARTS OF THE HILL COUNTRY, SOUTH CENTRAL TEXAS AND
PARTS OF WEBB AND LA SALLE COUNTIES FOR THE NEXT FEW HOURS.
Special weather statement, May 14, 11:43 PM CDT, 47 minutes before
TXZ184>187-189-202>207-217>223-228>230-239-150630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1135 PM CDT SAT MAY 14 1994

...SHOWERS AND THUNDERSTORMS OVER PARTS OF SOUTH CENTRAL TEXAS...

AT 1130 PM CDT,  AN AREA OF SHOWERS AND THUNDERSTORMS STRETCHED FROM
NORTH OF ROCKSPRINGS EASTWARD TO KERRVILLE AND BANDERA AND TO SAN ANTONIO
AND NEW BRAUNFELS.

THIS AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE SOUTH AND SOUTHEAST
IN THE NEXT FEW HOURS AND AFFECT SOUTH CENTRAL TEXAS, INCLUDING THE
SAN ANTONIO METROPOLITAN AREA, AND SOUTHERN PARTS OF THE HILL COUNTRY.

SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED IN WEST AND NORTHWEST WEBB
COUNTY AND WILL AFFECT WEBB COUNTY AND PARTS OF LA SALLE COUNTY, INCLUDING
THE LAREDO METROPOLITAN AREA IN THE NEXT FEW HOURS.

STRONG GUSTY WIND...PERIODS OF HEAVY RAIN...FREQUENT LIGHTNING AND SOME
HAIL WILL OCCUR FROM THE STRONGER THUNDERSTORMS AS THEY AFFECT
THE SOUTHERN PARTS OF T4HE HILL COUNTRY, SOUTH CENTRAL TEXAS AND
PARTS OF WEBB AND LA SALLE COUNTIES FOR THE NEXT FEW HOURS.
Special weather statement, May 15, 12:19 AM CDT, 11 minutes before
TXZ183-150630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1220 AM CDT SUN MAY 15 1994

...THUNDERSTORMS IN CENTRAL AND EXTREME EASTERN VAL VERDE COUNTY...

AT 1210 AM CDT...RADAR SHOWED MODERATE TO STRONG THUNDERSTORMS
BETWEEN COMSTOCK AND JUNO...ALONG HIGHWAY 163.. NAD NEAR LOMAL
ALTA...40 MILES NORTH OF DEL RIO.  THESE STORM EXTEND EAST INTO THE
TEXAS HILL COUNTRY NORTH OF SAN ANTONIO. THE AREA OF THUNDERSTORMS WERE
MOVING TO THE SOUTH SOUTHEAST AT 10 MILES AN HOUR. VERY HEAVY
RAINS...SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS HAVE BEEN
REPORTED OUT OF THESE STORMS EARLIER.

MOTORISTS TRAVELING NORTH ON HIGHWAY 277N TO SONORA NAD HIGHWAY
163 NORTH OUT OF COMSTOCK SHOULD BE ALERT FOR POSSIBLE BRIEF SEVERE
WEATHER AND HEAVY RAINS PRODUCING SOME FLOODING OF LOW WATER CROSSINGS.
WITH THE WIDESPREADRAINS OF THE PASS FEW DAYS ANY ADDITIONAL WATER FROM
THE RAIN TONIGHT WILL BE QUICK TO RUNOFF.

BOATERS AND FISH|ERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO SEEK SAFE
HARBOR IF THESE STORMS APPROACH THEIR AREA.
Special weather statement, May 15, 12:20 AM CDT, 10 minutes before
TXZ183-150630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1220 AM CDT SUN MAY 15 1994

...THUNDERSTORMS IN CENTRAL AND EXTREME EASTERN VAL VERDE COUNTY...

AT 1210 AM CDT...RADAR SHOWED MODERATE TO STRONG THUNDERSTORMS
BETWEEN COMSTOCK AND JUNO...ALONG HIGHWAY 163.. NAD NEAR LOMA ALTA...40
MILES NORTH OF DEL RIO.  THESE STORMS EXTEND EAST INTO THE TEXAS HILL
COUNTRY NORTH OF SAN ANTONIO. THE AREA OF THUNDERSTORMS WERE MOVING TO
THE SOUTH SOUTHEAST AT 10 MILES AN HOUR. VERY HEAVY RAINS...SMALL
HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS HAVE BEEN REPORTED OUT OF
THESE STORMS EARLIER.

MOTORISTS TRAVELING NORTH ON HIGHWAY 277N TO SONORA AND HIGHWAY 163
NORTH OUT OF COMSTOCK SHOULD BE ALERT FOR POSSIBLE BRIEF SEVERE WEATHER
AND HEAVY RAINS PRODUCING SOME FLOODING OF LOW WATER CROSSINGS. WITH THE
WIDESPREAD RAINS OF THE PASS FEW DAYS ANY ADDITIONAL WATER FROM THE RAIN
TONIGHT WILL BE QUICK TO RUNOFF.

BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO SEEK SAFE
HARBOR IF THESE STORMS APPROACH THEIR AREA.
Special weather statement, May 15, 12:22 AM CDT, 8 minutes before
TXZ183-150630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1220 AM CDT SUN MAY 15 1994

...THUNDERSTORMS IN CENTRAL AND EXTREME EASTERN VAL VERDE COUNTY...

AT 1210 AM CDT...RADAR SHOWED MODERATE TO STRONG THUNDERSTORMS
BETWEEN COMSTOCK AND JUNO...ALONG HIGHWAY 163.. NAD NEAR LOMA ALTA...40
MILES NORTH OF DEL RIO.  THESE STORMS EXTEND EAST INTO THE TEXAS HILL
COUNTRY NORTH OF SAN ANTONIO. THE AREA OF THUNDERSTORMS WERE MOVING TO
THE SOUTH SOUTHEAST AT 10 MILES AN HOUR. VERY HEAVY RAINS...SMALL
HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS HAVE BEEN REPORTED OUT OF
THESE STORMS EARLIER.

MOTORISTS TRAVELING NORTH ON HIGHWAY 277N TO SONORA AND HIGHWAY 163
NORTH OUT OF COMSTOCK SHOULD BE ALERT FOR POSSIBLE BRIEF SEVERE WEATHER
AND HEAVY RAINS PRODUCING SOME FLOODING OF LOW WATER CROSSINGS. WITH THE
WIDESPREAD RAINS OF THE PASS FEW DAYS ANY ADDITIONAL WATER FROM THE RAIN
TONIGHT WILL BE QUICK TO RUNOFF.

BOATERS AND FISHERMEN ON LAKE AMISTAD SHOULD BE PREPARED TO SEEK SAFE
HARBOR IF THESE STORMS APPROACH THEIR AREA.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 7:33 PM CDTSevere Thunderstorm WarningEWXLlano42 min
May 14, 8:09 PM CDTSevere Thunderstorm WarningEWXTravis51 min
May 14, 8:59 PM CDTSevere Thunderstorm WarningEWXGillespie61 min
May 14, 9:46 PM CDTSevere Thunderstorm WarningEWXDimmit59 min
May 14, 9:54 PM CDTSevere Thunderstorm WarningEWXSan Saba66 min
May 14, 10:40 PM CDTSevere Thunderstorm WarningEWXBastrop, Fayette65 min
May 15, 12:10 AM CDTSevere Thunderstorm WarningEWXGuadalupe65 min
May 15, 12:43 AM CDTFlash Flood WarningEWXUvalde3 hr
May 15, 12:55 AM CDTFlash Flood WarningEWXVal Verde2 hr
May 15, 1:17 AM CDTFlash Flood WarningEWXComal, Guadalupe3 hr
May 15, 1:20 AM CDTSevere Thunderstorm WarningEWXGonzales55 min
May 15, 4:08 AM CDTFlash Flood WarningEWXGuadalupe3 hr

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.