Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 136, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 13, 2002, 10:12 PM CDT for Lavaca County, Texas. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2002, 10:12 PM CDT (03:12 UTC)
- Expired
- Jul 13, 2002, 11:45 PM CDT
- In force
- 93 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Lavaca County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 3.2 hours before the alert went out and 174 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
- 2837 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1109 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 140312 FFWSAT TXC285-140445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1010 PM CDT SAT JUL 13 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... LAVACA * UNTIL 1145 PM CDT * AT 1010 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER LAVACA COUNTY FROM 10 MILES SOUTHEAST OF YOAKUM TO SPEAKS...MOVING SLOWLY EAST AT 5 MPH. RAINFALL RATES OF 1 TO 3 INCHES PER HOUR WAS NOTED AND COMBINED WITH EARLIER RAINFALL WILL MAKE RUNOFF RAPID CAUSING RENEWED FLASH FLOODING. 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. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 2907 9692 2935 9658 2937 9665 2927 9710
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.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 13, 8:32 PM CDT, 1 hour 40 minutes earlier.
Area forecast discussion, Jul 13, 8:32 PM CDT, 1 hour 40 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 832 PM CDT SAT JUL 13 2002 A PLETHORA OF OUTFLOW BOUNDARIES WITH SEVEN CURRENTLY ACROSS THE EWX CWA. THIS HAS STABILIZED CWA AIRMASS SOMEWHAT AS CONVECTION MUCH LESS INTENSE AS EARLIER. TROUGH STILL HEADED TOWARD CWA AND WITH ALL THE BOUNDARIES AROUND WILL MAINTAIN AT LEAST LOW CHANCE POPS. PWS ABOUT 1.7 TO 1.9 INCHES. LOCALLY HEAVY RAINFALL CONTINUES TO LOOK REASONABLE AND WILL ALSO MAINTAIN FLASH FLOOD WATCH OVERNIGHT. WILL MAKE WINDS LIGHT AND VARIABLE...EXCEPT GUSTY IN STORMS DUE ALL OF THE BOUNDARIES. REMAINDER OF EWX CWA FORECAST GENERALLY ON TRACK. 04/03/JB/KW. PREVIOUS DISCUSSION... MID LATITUDE TROF COMING IN FROM THE NW ACROSS PARTS OF CENTRAL TEXAS WILL MOVE EASTWARD THRU SUNDAY...OVR PARTS OF CNTRL AND S CNTRL TX THIS AFTERNOON AND TONIGHT. THIS MID LAT TROF WILL CONTINUE TO INTERACT WITH REMNANTS OF TROPICAL WAVE...FROM EARLIER IN THE WEEK... NOW OVR TX BEND AREA. THE WEATHER PATTERN IS SIMILAR TO AN EARLY FALL PATTERN...AS MOST OF THE WEATHER IS BEING GENERATED BY MID LATITUDE TROF IN THE WESTERLIES...MOVING SLOWLY ACROSS THE AREA. AS A RESULT WILL SHOW FLASH FLOOD WATCH FOR REMAINDER OF THIS AFTERNOON AND CONTINUE THE WATCH THROUGH TONIGHT. THE RAIN AND SHOWERS MAY WEAKEN BY LATE TONIGHT...YET RUNOFF COULD CONT OR MESO BOUNDARIES EVOLVE THAT KEEP RAINS GOING. AS A RESULT WL SHOW HI POPS THRU TONIGHT. FOR SUNDAY...ANOTHER S/W TROF MAY PASS OVER AREA AROUND UPPER LEVEL LOW FORECAST TO BE VCNTY E TX TO E OK AND W AR. THIS MAY PROVIDE ANOTHER ROUND OF RAIN...THEREFORE WILL CONTINUE CHC OF RAIN SUNDAY. LOW ALOFT DOES NOT MOVE MUCH BY MONDAY...SO CHC OF RAIN WILL CONT IN FORECAST MONDAY. ON TUESDAY MULTI MODEL SOLUTIONS SHOW MARGINAL INSTABILITY OVR S CNTRL TX AS UPPER LEVEL LOW EITHER GETS LIFTED NORTHWARD OR DIMINISHES SOME. EITHER WAY THE PATTERN STILL SUGGEST CONTD CHC OF RAIN TUESDAY...THAT WILL SLOWLY FALL ON WEDNESDAY...YET NOT ENOUGH BY WEDNESDAY TO DROP CHC OF RAIN. AS A RESULT WILL SHOW CHC OF RAIN EVEN WEDNESDAY...AS WEAKNESS IN HEIGHT FIELD ALOFT MAY REMAIN. ON THURSDAY AND FRIDAY...MULTI MODEL SOLUTIONS SHOW CHC OF RAIN SLOWLY FALLING AND ARRIVING AT STABLE CONDS BY NEXT SATURDAY...WHEN POPS ARE EXPECTED TO BECOME LOW. PRELIMS... AUS 072/090/072/089/073 35365 DRT 074/094/074/095/075 34444 SAT 074/090/074/089/074 35365 .EWX...FLASH FLOOD WATCH FOR TX HILL COUNTRY AND PARTS OF CNTRL AND S CNTRL TX THRU TONIGHT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:32 PM CDT | Flash Flood Warning | EWX | Lavaca | 118 min |
| Jul 13, 7:33 PM CDT | Flash Flood Warning | EWX | Lavaca | 117 min |
| Jul 13, 9:46 PM CDT | Flash Flood Warning | EWX | DeWitt | 119 min |
| Jul 14, 7:21 AM CDT | Flash Flood Warning | EWX | Burnet | 114 min |
| Jul 14, 10:02 AM CDT | Flash Flood Warning | EWX | Burnet, Llano | 3 hr |
| Jul 14, 12:36 PM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 3 hr |
| Jul 14, 12:42 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| Jul 14, 1:26 PM CDT | Flash Flood Warning | EWX | Lee | 3 hr |
| Jul 14, 2:01 PM CDT | Flash Flood Warning | EWX | Kendall | 119 min |
| Jul 14, 2:05 PM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Hays | 115 min |
| Jul 14, 2:40 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jul 14, 2:48 PM CDT | Flash Flood Warning | EWX | Kinney | 3 hr |
| Jul 14, 3:38 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 2 hr |
| Jul 14, 3:42 PM CDT | Flash Flood Warning | EWX | Comal, Kendall | 2 hr |
| Jul 14, 3:46 PM CDT | Flash Flood Warning | EWX | Bastrop, Fayette, Lee | 2 hr |
| Jul 14, 3:55 PM CDT | Flash Flood Warning | EWX | Dimmit, Maverick | 2 hr |
| Jul 14, 5:00 PM CDT | Flash Flood Warning | EWX | Bexar, Guadalupe, Medina, Uvalde | 2 hr |
| Jul 14, 5:24 PM CDT | Flash Flood Warning | EWX | Zavala | 96 min |
| Jul 14, 5:31 PM CDT | Flash Flood Warning | EWX | Val Verde | 89 min |
| Jul 14, 5:55 PM CDT | Flash Flood Warning | EWX | Kinney, Maverick | 65 min |
| Jul 14, 6:24 PM CDT | Flash Flood Warning | EWX | DeWitt | 96 min |
| Jul 14, 6:53 PM CDT | Flash Flood Warning | EWX | Atascosa, Wilson | 2 hr |
| Jul 14, 6:56 PM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.