The persistent upper level low pressure system located over south Texas |continued to trgger showers and thunderstorms over portions of Deep South Texas and produced localized heavy rainfall and flash flooding in some areas. Some areas of the County Warning Area recieved an estimated 6 to 8 inches of rainfall.
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 BRO wrote it up.
The persistent upper level low pressure system located over south Texas |continued to trgger showers and thunderstorms over portions of Deep South Texas and produced localized heavy rainfall and flash flooding in some areas. Some areas of the County Warning Area recieved an estimated 6 to 8 inches of rainfall.
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 Brownsville, TX wrote its last area forecast discussion before the first event at Jul 4, 12:49 PM CST, 1 hour 13 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 149 PM CDT WED JUL 4 2007 .DISCUSSION...SHOWERS AND THUNDERSTORMS CONTINUE TO OCCUR OVER THE SAME GENERAL AREAS MENTIONED IN THE PRIOR DISCUSSION. HOWEVER NEW THUNDERSTORMS HAVE DEVELOPED JUST WEST OF OUR CWA AND ARE NOW ENTERING ZAPATA COUNTY. WITH THE HEAVY RAIN POTENTIAL THE FLASH FLOOD WILL CONTINUE UNTIL 0100 AM THURSDAY MORNING. THE COASTAL THUNDERSTORMS HAVE EXTENDED FURTHER SOUTH AND CONTINUE TO MOVE FROM SOUTH TO NORTH OVER THE COASTAL WATERS. THE NEW 12Z MODEL GUIDANCE SHOWS A DISAGREEMENT BETWEEN THE NAM AND THE GFS. THE GFS MODEL TRACKS THE TEXAS LOW TOWARD THE NORTH NORTHEAST WHILE THE NAM TRACKS THE LOW NORTHWESTWARD. THE MOVEMENT OF THE LOW FORECASTED BY THE GFS SOLUTION WOULD BRING A VORTEX MAX CURRENTLY LOCATED WEST OF THE CWA OVER US FOR THIS EVENING. THE SATELLITE AND RADAR IMAGE TRENDS SHOW SOME EVIDENCE THAT THIS VORTEX COULD ENTER OUR CWA FROM THE WEST LATER ON THIS AFTERNOON AND MAY PERSIST WELL INTO THE EVENING HOURS. && .AVIATION...THUNDERSTORMS ARE EXPECTED TO INCREASE AND PERSIST THROUGHOUT DEEP SOUTH TEXAS AND THE RIO GRANDE VALLEY THROUGH TONIGHT AND INTO THURSDAY MORNING. MVFR TO IFR CONDITIONS CAN BE EXPECTED AS THESE THUNDERSTORMS MOVE THOUGH. OTHERWISE...VFR TO OCCASIONAL MVFR CEILING ARE EXPECTED. LOW LEVEL TURBULENCE DUE 20 TO 35 KNOT LOW LEVEL SOUTHERLY WINDS WILL PRODUCE A MODERATE CHOP ACROSS DEEP SOUTH TEXAS TODAY AND TONIGHT WHILE SURFACE WINDS WILL REMAIN BETWEEN 10 AND 20 KNOTS. && .MARINE...AT 1 PM BUOY20 INDICATED SOUTH TO SOUTHEAST WINDS AT AROUND 15 KNOTS WITH SEAS AT 5 FEET WITH A 7 SECOND PERIOD. MAIN MARINE CONCERN WILL AN INCREASE IN THUNDERSTORMS TODAY AND THIS EVENING. THUNDERSTORMS ARE INCREASING AND SPREADING SOUTH TO NORTH PARALLEL TO THE COAST. THE THUNDERSTORMS COUPLED WITH THE LOWER LOWER PRESSURE OVER SOUTH CENTRAL TEXAS AND THE WESTERN EXTENT OF UPPER HIGH PRESSURE WILL CONTINUE TO PRODUCE A TIGHT PRESSURE GRADIENT OVER THE GULF. THIS GRADIENT IS EXPECTED TO PERSIST THROUGH TONIGHT AND POSSIBLY INTO THURSDAY AS THE AREA OF LOWER AND HIGHER PRESSURE SHOW LITTLE MOVEMENT. SMALL CRAFT EXERCISE CAUTION WORDING WILL BE ADDED FOR THE NEAR SHORE WATERS AND CONTINUE FOR FARTHER OFFSHORE AREAS WITH THE LAGUNA MADRE TO REMAIN SLIGHTLY BELOW THESE HIGHER LEVELS. MARINE CONDITIONS ARE EXPECTED TO IMPROVE BY FRIDAY AND OVER THE WEEKEND AS THE AREA OF LOWER PRESSURE WEAKENS. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 78 89 79 91 / 60 50 30 20 BROWNSVILLE 77 91 78 93 / 60 50 30 20 HARLINGEN 76 91 76 94 / 60 50 30 20 MCALLEN 76 91 77 95 / 60 40 30 30 RIO GRANDE CITY 77 90 77 94 / 60 40 30 30 SOUTH PADRE ISLAND 80 86 80 88 / 60 50 30 20 && .BRO WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH UNTIL 1 AM CDT THURSDAY FOR TXZ248>257. && THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO 53/59
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 442 AM CDT WED JUL 4 2007 TXZ248>257-050945- ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON- 442 AM CDT WED JUL 4 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MUCH OF DEEP SOUTH TEXAS TODAY. SOME STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAINFALL RESULTING IN LIFE THREATENING FLASH FLOODING. AS A RESULT...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS THROUGH LATE TONIGHT. PLEASE REFER TO THE LATEST FLASH FLOOD WATCH STATEMENT FOR DETAILS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER PORTIONS OF DEEP SOUTH TEXAS AT TIMES THROUGH FRIDAY. THE STRONGER STORMS MAY PRODUCE HEAVY RAINFALL AND LOCALIZED FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTERS AND EMERGENCY MANAGERS ARE URGED TO PAY CLOSE ATTENTION TO THE LATEST WATCHES...WARNINGS AND ADVISORIES FROM THE NATIONAL WEATHER SERVICE. SPOTTER ACTIVATION MAY BE NEEDED TODAY. 54
The Corpus Christi radar (KCRP), 199 km away, was scanning. The volume nearest the first event began at 20:00 UTC.
2 flash flood, 1 thunderstorm wind. Local standard time, as filed.
Some street flooding with water into a few homes. Water over Highway 16 north of Zapata City one inch deep. Two to 3 inches of water over Highway 83 northwest of Zapata beyond the city of San Ygnacio.
A CO-OP observer reported 62 mph wind gusts which knocked large limbs off some trees and blew a shed on a pier into the harbor.
Flooding on Business Hwy 77 1/4 mile north of FM 490 and at the intersection of FM490 and 1834.
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, July 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: 47263, 47270, 47267.