Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 73, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Dec 22, 1986, 9:43 PM CST for Bexar County, Comal County, Guadalupe County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 1986, 9:43 PM CST (03:43 UTC)
- Expired
- Dec 23, 1986, 2:00 AM CST
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bexar County, TX, Comal County, TX, Guadalupe County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 3.7 hours before the alert went out and 252 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
- 740 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 230343 FFWSAT TXC029-091-187-230800- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 943 PM CST MON DEC 22 1986 THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM CST TUESDAY MORNING FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH CENTRAL TEXAS...BEXAR...COMAL AND GUADALUPE IN SPITE OF A GENERAL DECREASE IN RAINFALL OVER SOUTH CENTRAL TEXAS... FLASH FLOODING CONTINUES ALONG MOST LOW WATER CROSSINGS AND SMALL CREEKS IN BEXAR...COMAL AND GUADALUPE COUNTIES. THERE HAS BEEN NO IMPROVEMENT IN THE SITUATION SINCE EARLY THIS EVENING. FLOODING IS EXPECTED TO CONTINUE INTO EARLY TUESDAY MORNING AS RUNOFF FROM HEAVY RAINS UPSTREAM ADDS TO THE PROBLEMS OVER THE THREE COUNTY AREA. FLOODING IS ALSO REPORTED ALONG CITY STREETS AND IN LOW AREAS AND POORLY DRAINED AREAS. MOTORISTS ARE URGED TO USE EXTREME CAUTION. A FLASH FLOOD WARNING MEANS THAT FLOODING IS TAKING PLACE AT THIS TIME. TO REPORT SEVERE FLOODING...CALL THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL TAKE ACTION LOCALLY AND RELAY YOUR REPORTS TO THE NATIONAL WEATHER SERVICE. PLEASE LISTEN TO YOUR LOCAL RADIO..TV OR NOAA WEATHER RADIO STATION FOR LATER STATEMENTS OR WARNINGS REGARDING THIS HEAVY RAIN EVENT.
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, Dec 22, 5:51 PM CST, 3 hours 52 minutes before
BULLETIN URBAN AND SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 555 PM CST MON DEC 22 1986 WIDESPREAD RAIN CONTINUED OVER MOST OF SOUTH TEXAS JUST BEFORE 600 PM. THE RAIN AREA...AS INDICATED BY WEATHER SERVICE RADAR AND SATELLITE OBSERVATIONS...WAS MOVING SLOWLY EASTWARD. RAINFALL TOTALS SINCE LAST NIGHT FROM THE HILL COUNTRY SOUTHEASTWARD TO SOUTH CENTRAL TEXAS HAVE AVERAGED FROM 1 TO 2 INCHES. RAINFALL FROM FREDERICKSBURG TO SAN MARCOS...SEGUIN...JOURDANTON AND SAN ANTONIO BACK TO FREDERICKSBURG AVERAGED FROM 2 TO 3 INCHES WITH ISOLATED TOTALS OF MORE THAN 4 INCHES. SO FAR...THE GREATEST RAIN REPORT WAS NEAR 6 INCHES FROM THE CITY OF LIVE OAK...JUST NORTHEAST OF SAN ANTONIO. THE WIDESPREAD RAIN HAS SATURATED THE GROUND...CAUSING SOME SHORT LIVED FLOODING OF URBAN STREETS AND ROADS. LOW LYING AREAS AND POORLY DRAINED AREAS WILL CONTINUE TO HAVE PROBLEMS AS WELL...AS RAIN IS EXPECTED TO CONTINUE FROM THE HILL COUNTRY ACROSS SOUTH CENTRAL TEXAS TONIGHT. MOTORISTS SHOULD EXERCISE CAUTION ON THE WET AND SLICK STREETS...AVOID FLOODED LOW-WATER CROSSINGS AND NOT TRY TO DRIVE AROUND BARRICADES. PARENTS SHOULD MAKE CERTAIN CHILDREN DO NOT PLAY IN OR NEAR FLOODED STREAMS OR CREEKS. FLOODING IS ALSO OCCURRING ALONG PORTIONS OF LEON CREEK AND SALADO CREEK IN SAN ANTONIO. LEON CREEK NEAR KELLY AIR FORCE BASE IS EXPECTED TO REMAIN AT 10 TO 12 FEET THROUGH MIDNIGHT...FLOOD STAGE IS 13 FEET. THE HEAVIEST FLOODING ALONG SALADO CREEK IS EXPECTED TO OCCUR FROM NEAR LOOP 410 IN NORTHEAST SAN ANTONIO SOUTHWARD ACROSS THE EASTERN PORTION OF THE CITY TO NEAR LOOP 13. PERSONS LIVING IN AREAS PRONE TO FLOODING ALONG THIS PORTION OF SALADO CREEK SHOULD BE PREPARED TO MOVE TO A SAFE LOCATION.
Special weather statement, Dec 22, 9:22 PM CST, 21 minutes before
RAINFALL REPORT FOR BEXAR COUNTY AND SURRONDING AREA... 7 PM DEC 21 1986 TO 7 PM DEC 23 1986 .... REPORTED BY THE BEXAR COUNTY HAM RADIO NETWORK NATIONAL WEATHER SERVICE SAN ANTONIO TX 915 PM CST MON DEC 22 1986 OUTSIDE BEXAR COUNTY... PIPE CREEK 2.10 SEGUIN 2.93 MEDINA LAKE 2.10 7 EAST OF BOERNE 3.50 DEVINE 4.20 SAN MARCOS 4.75 MEDINA LAKE 3.65 CANYON LAKE 3.70 BEXAR COUNTY..NORTH SIDE ENCINO PARK 2.75 BLANCO ROAD AT 410 3.75 ALAMO STADIUM 4.20 BLANCO ROAD AT FRESNO 4.50 I 10 AND FRESNO 3.85 DELVIEU 3.65 4 NORTH OF THE AIRPORT 3.80 BULVERDE 4.50 EDISON HIGH SCHOOL 3.95 NORTHWEST SIDE... VANCE JACKSON AND LOOP 410 3.85 CASTLE HILLS 3.96 LEON VALLEY 3.00 ROLLING RIDGE 3.55 HONEY HILL 3.00 TRINITY UNIVERSITY 4.50 WOODLAWN HEIGHTS 4.00 WONDERLAND 4.00 THUNDERBIRD HILLS 3.90 GLEN OAKS PARK 3.20 WEST SIDE... HIGHWAY 90 AND LOOP 410 3.30 LACKLAND 3.60 SOUTHWEST SIDE... HERITAGE PARK 3.30 SOUTH SIDE... STINSON FIELD 5.80 SOUTHEAST SIDE... PECAN VALLEY 4.50 HIGHLAND HILLS 3.80 VON bARMY 4.40 CHINA GROVE 3.00 NORTHEAST SIDE... WURZBACH AT I 35 5.50 JUDSON ROAD AND NACOGDOCHES 4.55 FORT SAM HOUSTON 5.00 WINDCREST 5.70 I 35 AT VANDIVER 5.55
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 6:20 PM CST | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 4 hr |
Nearby
Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986
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.