Heavy rainfall from a weak surface front and an upper level disturbance, combined with already saturated soil from an unusually wet summer led to flash flooding across portions of the Texas Big Country. The flash flooding washed out several roads and entered approximately 10 homes near Potosi.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SJT wrote it up.
Heavy rainfall from a weak surface front and an upper level disturbance, combined with already saturated soil from an unusually wet summer led to flash flooding across portions of the Texas Big Country. The flash flooding washed out several roads and entered approximately 10 homes near Potosi.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before the first event at Aug 1, 6:29 PM CST, 1 hour 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 729 PM CDT WED AUG 1 2007 .UPDATE... SHOWERS WILL CONTINUE ACROSS WEST CENTRAL TEXAS OVER THE NEXT FEW HOURS. OTHERWISE...EXPECT VFR CONDITIONS TO DOMINATE WEST CENTRAL TEXAS UNTIL A COUPLE HOURS AFTER MIDNIGHT. THEN...STRATUS WILL BEGIN RETURNING TO WEST CENTRAL TEXAS. BY SUNRISE...LOOK FOR MVFR CEILINGS TO DOMINATE WEST CENTRAL TEXAS WITH BASES AVERAGING AROUND 2500 FEET. BY MID MORNING...VFR CONDITIONS WILL BEGIN DEVELOPING AS MORNING STRATUS LIFTS AND BREAKS. TOMORROW AFTERNOON...SHOWERS AND THUNDERSTORMS MAY AGAIN DEVELOP ACROSS WEST CENTRAL TEXAS...MAINLY ACROSS THE BIG COUNTRY. 12 && .PREV DISCUSSION... /ISSUED 222 PM CDT WED AUG 1 2007/ SHORT TERM... SCT TSTMS ALONG WITH A FEW SMALL COMPLEXES LOCATED ALONG A LINE FROM NEAR LAKE CHARLES TO NEAR CHILDRESS. THIS AREA IS LOCATED NEAR A WEAK SURFACE BOUNDARY...SFC DEWPOINT POOLING...CAPE VALUES OF 3000 J/KG...AND WEAK NORTHWEST FLOW OF 10 TO 20 KNOTS. ALSO OTHER ISOLATED SHOWERS AND STORMS DEVELOPING DUE TO GOOD SURFACE HEATING ACROSS WEST CENTRAL AND SOUTHWEST TEXAS. NOT MUCH CHANGE TO THE FORECAST WITH SCATTERED SHOWERS AND STORMS MAINLY DURING THE AFTERNOON AND EVENING ACROSS THE CWFA...THROUGH FRIDAY. THE MODELS ARE STILL HAVING SOME PROBLEMS ON THE QPF AMOUNTS AND LOCATIONS. HOWEVER... LOOKS LIKE THE COVERAGE WILL BE A LITTLE BETTER ACROSS THE NORTHERN HALF OF THE CWFA. SOME STORMS MAY PRODUCE LOCALLY HEAVY RAINFALL...HOWEVER SHOULD NOT BE WIDESPREAD. LONG TERM... THE GFS MODEL HAS BEEN ADVERTISING AN UPPER LEVEL RIDGE RE-BUILDING ACROSS THE SOUTHERN US...INCLUDING TEXAS FOR THIS WEEKEND THROUGH NEXT WEEK. THIS SHOULD RESULT IN A DRY AND WARMER PATTERN...WITH AFTERNOON HIGHS IN THE 90S AND LOWS 70 TO 75. HOWEVER...DUE TO ABUNDANT LOW LEVEL MOISTURE AND ISOLATED STORM OR TWO IS POSSIBLE EACH DAY. && .PRELIMINARY POINT TEMPS/POPS... ABILENE 71 87 71 91 / 40 40 30 20 SAN ANGELO 72 87 71 90 / 30 40 30 30 JUNCTION 72 88 73 91 / 20 40 30 30 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. && 12
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 346 PM CDT WED AUG 1 2007 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-022100- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- 346 PM CDT WED AUG 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL AFFECT WEST CENTRAL TEXAS THIS AFTERNOON AND TONIGHT. STORMS WILL BE MOST LIKELY NORTH OF A LINE FROM OZONA TO SAN SABA. THESE STORMS WILL HAVE SLOW MOVEMENT. THIS SLOW MOVEMENT COMBINED WITH THE VERY MOIST ATMOSPHERE WILL PRESENT A POSSIBLE FLOODING HAZARD. FLOODING OF LOW WATER CROSSINGS...UNDERPASSES...AND LOW LYING OR POOR DRAINAGE AREAS IS POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO LINGER INTO THURSDAY NIGHT OR FRIDAY MORNING. THESE THUNDERSTORMS WILL CONTINUE TO POSE A POSSIBLE FLOODING HAZARD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 538 PM CDT WED AUG 1 2007 TXZ054-065-012315- NOLAN TX-COKE TX- 538 PM CDT WED AUG 1 2007 ...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 615 PM CDT FOR NOLAN AND COKE COUNTIES... AT 533 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 7 MILES SOUTH OF MARYNEAL...OR ABOUT 10 MILES WEST OF BLACKWELL...MOVING NORTHWEST AT 5 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... MARYNEAL BY 615 PM CDT PEA SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS... ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 544 PM CDT WED AUG 1 2007 TXZ127-012315- TAYLOR TX- 544 PM CDT WED AUG 1 2007 ...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 615 PM CDT FOR TAYLOR COUNTY... AT 543 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 5 MILES EAST OF HAPPY VALLEY...OR ABOUT 12 MILES NORTHWEST OF WINTERS...STATIONARY. * THE STRONG THUNDERSTORM WILL BE NEAR... HAPPY VALLEY BY 600 PM CDT PEA SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS... ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 553 PM CDT WED AUG 1 2007 TXZ049-054-064>066-071>073-098-099-113-114-127-128-139-140-154- 155-020100- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-HASKELL- THROCKMORTON-JONES-SHACKELFORD-TAYLOR-CALLAHAN-COLEMAN-BROWN- MCCULLOCH-SAN SABA- INCLUDING THE CITIES OF...ROTAN...ROBY...SWEETWATER... STERLING CITY...ROBERT LEE...BRONTE...BALLINGER...WINTERS... MERTZON...SAN ANGELO...EDEN...HASKELL...THROCKMORTON...WOODSON... STAMFORD...ANSON...HAMLIN...ALBANY...ABILENE...CLYDE...BAIRD... CROSS PLAINS...COLEMAN...BROWNWOOD...BRADY...SAN SABA 553 PM CDT WED AUG 1 2007 ISOLATED STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS WEST CENTRAL TEXAS. ONE STRONG STORM WAS LOCATED JUST SOUTHWEST OF MARYNEAL...LOCATED 20 MILES SOUTH OF SWEETWATER...AND ANOTHER STRONG STORM LOCATED NEAR LAKE ABILENE...ABOUT 25 MILES SOUTHWEST OF ABILENE. THESE STORMS WERE NEARLY STATIONARY AND COULD PRODUCE VERY HEAVY RAIN...SMALL HAIL...DEADLY LIGHTNING...AND WIND GUSTS TO NEAR 55 MPH. ADDITIONAL ISOLATED STRONG THUNDERSTORMS COULD FORM MAINLY ALONG AND NORTH OF U.S. HIGHWAY 87 THROUGH 8 PM.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 701 PM CDT WED AUG 1 2007 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-020215- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- INCLUDING THE CITIES OF...ROTAN...ROBY...SWEETWATER... STERLING CITY...ROBERT LEE...BRONTE...BALLINGER...WINTERS... MERTZON...SAN ANGELO...EDEN...OZONA...ELDORADO...SONORA... HASKELL...THROCKMORTON...WOODSON...STAMFORD...ANSON...HAMLIN... ALBANY...ABILENE...CLYDE...BAIRD...CROSS PLAINS...COLEMAN... BROWNWOOD...BRADY...SAN SABA...MENARD...JUNCTION...MASON 701 PM CDT WED AUG 1 2007 A NEARLY SOLID OF LINE OF STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED NORTH TO SOUTH ACROSS STERLING COUNTY. THESE STORMS WERE NEARLY STATIONARY AND COULD PRODUCE VERY HEAVY RAIN...SMALL HAIL...DEADLY LIGHTNING...AND WIND GUSTS TO NEAR 45 MPH. ADDITIONAL ISOLATED STRONG THUNDERSTORMS COULD FORM MAINLY ALONG AND NORTH OF U.S. HIGHWAY 87 THROUGH 10 PM. ANY ONE OF THESE STORMS CAN PRODUCE UP TO 1 TO 2 INCHES IN A SHORT TIME AND CAUSE FLASH FLOODING.
The San Angelo radar (KSJT), 70 km away, was scanning. The volume nearest the first event began at 01:29 UTC.
14 flash flood, 1 heavy rain. Local standard time, as filed.
The Texas Department of Transportation had to put high water signs for water over the road on Ranch Road 2139 located about 6 miles southwest of Sterling City.
The Texas Department of Transportation placed high water signs for water crossing over State Highway 163 located about 9 miles northwest of Sterling City.
Interstate 20 was down to one lane in both directions due to high water.
Water over the road was reported at various places on |FM126 between Merkel and FM86.
Water was reported over FM604.
Water was reported over FM1082.
Flooding was reported along Cedar Creek. Water entered homes along FM1750. Water entered approximately 10 homes and washed out several roads.
Rainfall amount of 4.5 inches have fallen since 8 A.M.
Water was reported over FM1085.
Farm Road 604 had about two feet of water over the road, south of Highway 351.
Farm road 1085 closed south of Trent.
Water was over Farm Road 613 between Buffalo Gap and Tuscola.
Farm Road 89 at Elm creek is reported to be impassable.
The Potosi Fire Department reported parts of Highway 36 were closed as well as portions of Farm Road 1750.
Heavy rain and flooding washed out a graveled road just south of Sterling City.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyWarnings in Texas, August 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 49218, 49221, 49226, 49230, 49234, 49235, 49237, 49251, 49239, 49241, 49242, 49244, 49247, 49248, 49250.