Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 25, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 2, 1986, 6:21 PM CDT for Lavaca County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1986, 6:21 PM CDT (23:21 UTC)
- Expired
- Jun 2, 1986, 10:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lavaca 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
Victoria Regiona, TX (KVCT), launched 12:00Z, 11.4 hours before the alert went out and 59 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
- 836 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 022339 COR FFWVCT TXC285-030330- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE VICTORIA TX 621 PM CDT MON JUN 2 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF TEXAS...LAVACA A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT/HAS BEEN REPORTED. TAKE NECESSARY PRECAUTIONS AS REQUIRED/IMMEDIATELY. THE YOAKUM POLICE DEPARTMENT HAS REPORT HEAVY RAIN AND FLOODING. FREQUENT LIGHTNING AND HEAVY THUNDER. FREQUENT LIGHTNING..STRONG DAMAGING WIND AND POSSIBLE HAIL MAY ACCOMPANY THIS STORM. . IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. PLEASE LISTEN TO YOUR LOCAL RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS REGARDI:NG THIS SEVERE WEATHER EPISODE.
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, Jun 2, 12:22 PM CDT, 5 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1210 PM CDT MON JUN 02 1986 FLASH FLOOD WATCH IS IN EFFECT FOR AUSTIN AND THE HILL COUNTRY. AT 1205 PM CDT..WIDELY SCATTERED SHOWERS AND THUNDERSHOWERS WERE INDICATED IN SOUTH TEAS FROM EAST OF DEL RIO ..COTULLA..TO CORPUS CHRISTI AND ALONG THE TEXAS MIDDLE COAST INLAND TO NORTH OF WHARTON. THE STORMS MOVING NORTH 15 MILES AN HOUR. SIGNIFICANT RAINFALL DOES NOT APPEAR LIKELY WITHIN THE WATCH AREA FOR THE NEXT FEW HOURS..ANOTHER UPPER AIR DISTURBANCE IS FORECAST TO MOVE TOWARD SOUTH TEXAS FROM MEXICO LATER THIS AFTERNOON. IN ADDITION.. AFTERNOON SURFACE HEATING WILL LIKELY AID SHOWER DEVELOPMENT WITHIN THE ALREADY EXTREMELY MOIST AND UNSTABLE AIR MASS ANCHORED OVER THE AREA. REMBER..GROUND CONDITIONS WITHIN THE WATCH AREA ARE NEAR SATURATION. AS A RESULT..ANY ADDITIONAL RAINFALL WILL RUNOFF QUICKLY..THEREBY PODUCING MODERATE RISES ON MANY OF THE ALREADY SWOLLEN RIVERS ANDs STREAMS.
Special weather statement, Jun 2, 2:34 PM CDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1210 PM CDT MON JUN 02 1986 FLASH FLOOD WATCH IS IN EFFECT FOR AUSTIN AND THE HILL COUNTRY. AT 230 PM CDT...A LINE OF THUNDERSTORMS HAVE DEVELOPED DURING THE PASS HOUR EXTENDING FROM HILLSBORO LOCATED NORTH OF WACO TO WACO .. SAN SABA TO JUNCTION. SHOWERS AND THUNDERSTORMS HAVE DEVELOPED WEST OF AUSTIN IN THE HILL COUNTRY. MOVEMENT GENERALLY NORTHEAST AT 15 MILES AN HOUR. FREQUENT LIGHTNING..HAIL AND STRONG GUSTY WINDS MAY ACCOMPANY SOME OF THESE THUNDERSTORMS. LOCALLY HEAVY RAINFALL AND FLOODING OFTEN ARE ASSOCIATED WITH SLOW MOVING THUNDERSTORMS. REMEMBER..SEVERE WEATHER OFTEN DEVELOPS QUICKLY AND WITH LITTLE ADVANCE WARN,ING..SO PLEASE STAY TUNED TO YOUR LOCAL RADIO..TV OR NOAA WEATHER RADIO STATION FOR FURTHER ADVISORIES.
Special weather statement, Jun 2, 2:38 PM CDT, 3 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 225 PM CDT MON JUNE 02 1986 FLASH FLOOD WATCH IS IN EFFECT FOR AUSTIN AND THE HILL COUNTRY. AT 230 PM CDT...A LINE OF THUNDERSTORMS HAVE DEVELOPED DURING THE PASS HOUR EXTENDING FROM HILLSBORO LOCATED NORTH OF WACO TO WACO .. SAN SABA TO JUNCTION. SHOWERS AND THUNDERSTORMS HAVE DEVELOPED WEST OF AUSTIN IN THE HILL COUNTRY. MOVEMENT GENERALLY NORTHEAST AT 15 MILES AN HOUR. FREQUENT LIGHTNING..HAIL AND STRONG GUSTY WINDS MAY ACCOMPANY SOME OF THESE THUNDERSTORMS. LOCALLY HEAVY RAINFALL AND FLOODING OFTEN ARE ASSOCIATED WITH SLOW MOVING THUNDERSTORMS. REMEMBER..SEVERE WEATHER OFTEN DEVELOPS QUICKLY AND WITH LITTLE ADVANCE 3WARNING..SO PLEASE STAY TUNED TO YOUR LOCAL RADIO..TV OR NOAA WEATHER RADIO STATION FOR FURTHER ADVISORIES.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:01 PM CDT | Flash Flood Warning | EWX | Dimmit | 3 hr |
| Jun 2, 2:36 PM CDT | Flash Flood Warning | EWX | Maverick | 2 hr |
| Jun 2, 5:41 PM CDT | Flash Flood Warning | EWX | Bexar | 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.