An upper low over The Big Bend interacted with a tropical airmass and resulted in very heavy rainfall across the Northern Edwards Plateau.
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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.
An upper low over The Big Bend interacted with a tropical airmass and resulted in very heavy rainfall across the Northern Edwards Plateau.
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 Jul 4, 5:50 AM CST, 4 hours 6 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 650 AM CDT SUN JUL 4 2010 .DISCUSSION... SEE 12Z AVIATION DISCUSSION BELOW. && .AVIATION... SCATTERED LOW CLOUDS AROUND 2K FEET WILL CONTINUE THIS MORNING MAINLY ACROSS SOUTHEASTERN AREAS NEAR JCT AND BBD. OCCASIONAL MVFR CEILINGS WILL ALSO BE POSSIBLE THROUGH AROUND 14Z. WILL SEE SHOWERS INCREASE IN COVERAGE THROUGH THE DAY...BUT BEST CHANCE WILL LIKELY BE WEST OF TAF SITES FOR MOST OF THE DAY. WINDS HAVE DECREASED TO AROUND 10 KT THIS MORNING...BUT SHOULD PICK UP INTO THE 15 TO 20 KT RANGE AGAIN THIS AFTERNOON. LOW CLOUDS SHOULD RETURN LATE TONIGHT. && .PREV DISCUSSION... /ISSUED 336 AM CDT SUN JUL 4 2010/ SHORT TERM... ..POTENTIAL FOR HEAVY RAIN AND FLOODING CONTINUES TODAY ACROSS THE SOUTHWESTERN SECTIONS OF WEST CENTRAL TEXAS... EARLY MORNING WATER VAPOR IMAGERY SHOWS AN UPPER LOW OVER THE BIG BEND AREA...WITH WIDESPREAD SHOWERS WITH MODERATE TO HEAVY RAINFALL MOVING NORTHWARD ACROSS THE EDWARDS PLATEAU TOWARD CROCKETT AND SUTTON COUNTIES. SHOWERS EXPECTED TO CONTINUE TO BE VERY EFFICIENT RAINFALL PRODUCERS WITH A TROPICAL AIR MASS STILL IN PLACE AND PRECIPITABLE WATER VALUES STAYING WELL ABOVE NORMAL. CONCERNED ABOUT FLASH FLOODING MAINLY ACROSS CROCKETT...SCHLEICHER AND SUTTON COUNTIES...ESPECIALLY THE DEVILS RIVER BASIN WHICH DRAINS NORTHWARD OUT OF VAL VERDE COUNTY...WHICH IS ALREADY SEEING HEAVY RAINFALL THIS MORNING. HAVE INCREASED PRECIP CHANCES MAINLY ACROSS THE WESTERN HALF OF THE AREA FOR TODAY AND TONIGHT AS THE UPPER LOW DRIFTS SLOWLY NORTHWARD TODAY. HAVE ALSO DECIDED TO ISSUE A FLASH FLOOD WATCH FOR TODAY FOR THE SOUTHWEST COUNTIES AT THIS POINT WHICH HAVE THE BEST POTENTIAL FOR HEAVY RAINFALL. THIS WATCH MAY NEED TO BE EXPANDED NORTH AND EAST IF HEAVY RAINFALL INCREASES IN COVERAGE THROUGH THE DAY. WITH CLOUDY SKIES AND RAIN CONTINUING FOR TODAY...WILL SEE CONTINUED BELOW NORMAL TEMPERATURES IN THE UPPER 70S AND 80S...ESPECIALLY WEST. EXPECT RAIN TO CONTINUE INTO TONIGHT MAINLY OVER THE WESTERN HALF OF THE AREA AGAIN...BUT COVERAGE WILL BE DEPENDENT ON THE SPEED AND TRACK OF THE UPPER LOW. 08 LONG TERM... A FEW ADJUSTMENTS WERE MADE TO THE LONG TERM BASED ON THE LATEST MODEL TRENDS. A PAIR OF CONVECTIVELY GENERATED WARM CORE LOWS ARE NOTED THIS MORNING...ONE OVER THE SOUTH PLAINS AND ANOTHER JUST SOUTH OF TERRELL AND VAL VERDE COUNTIES IN NORTHERN MEXICO. THE GFS LATCHES ON TO THE LATTER AND BRINGS IT NORTH AND THEN NORTHEAST ACROSS W CENTRAL TX OVER THE NEXT 24 TO 36 HOURS. THIS WILL BE INCORPORATED INTO MONDAY'S POP FORECAST...WITH THE HIGHEST VALUES OVER THE BIG COUNTRY. THESE TYPE OF SYSTEMS ARE WELL KNOWN FOR PRODUCING VERY HEAVY RAINFALL AND FLASH FLOODING AND WILL NEED TO BE MONITORED. IN THE WAKE OF THE LOW PRECIP CHANCES WILL DECREASE FOR MONDAY AFTERNOON ON INTO TUESDAY WITH HIGHS CLIMBING BACK TO NEAR 90. BOTH THE GFS AND ECMWF BRING AN EASTERLY WAVE INTO THE REGION LATE WEDNESDAY INTO THURSDAY...AND A STALLING FRONT WILL LIKELY BE SITUATED JUST TO THE NORTH OF THE FORECAST AREA. I HAVE ELECTED TO GO WITH CHANCE POPS THRU THIS TIME PERIOD...FOCUSING NEAR THE BOUNDARY IN THE NORTH AND WITH THE EASTERLY WAVE. THE MODELS CONTINUE TO INDICATE THAT 500MB RIDGING WILL BUILD OVER THE SOUTHERN ROCKIES BY NEXT WEEKEND. AS A RESULT...RAIN CHANCES WILL DECLINE FAIRLY QUICKLY AND NEXT WEEKEND LOOKS DRY AT THIS POINT. LACY && .PRELIMINARY POINT TEMPS/POPS... ABILENE 85 70 89 72 91 / 60 70 40 20 10 SAN ANGELO 83 72 90 71 91 / 60 70 20 10 10 JUNCTION 85 73 90 73 91 / 50 50 20 10 30 && .SJT WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH THIS EVENING FOR THE FOLLOWING ZONES: CROCKETT...IRION...SCHLEICHER...SUTTON. && 08
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 537 AM CDT SUN JUL 4 2010 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-051045- 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- 537 AM CDT SUN JUL 4 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT HEAVY RAINFALL AND LOCALIZED FLOODING WILL CONTINUE TO BE A THREAT OVER WEST CENTRAL TEAS TODAY AND TONIGHT...ESPECIALLY ACROSS THE WESTERN HALF OF THE AREA. A FLASH FLOOD WATCH IS IN EFFECT FOR IRION...CROCKETT...SCHLEICHER AND SUTTON COUNTIES. WITH THE GROUND ALREADY SATURATED...HEAVY RAIN WILL LIKELY CAUSE FLOODING OF LOW WATER CROSSINGS...CREEKS AND STREAMS...ESPECIALLY OVER CROCKETT COUNTY AND THE DEVILS RIVER BASIN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A WET WEATHER PATTERN WILL CONTINUE THROUGH MID WEEK WITH LOCALIZED FLOODING POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The San Angelo radar (KSJT), 125 km away, was scanning. The volume nearest the first event began at 15:57 UTC.
1 flash flood. Local standard time, as filed.
Law Enforcement Officials reported water covering State Highway 163 with portions of the road washed out.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2010Every state in 2010This day in weather historyWarnings in Texas, July 2010
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: 253734.