S. spawned several supercells as well as short lines of thunderstorms along a north-south aligned cold front as it crossed the Hill Country and approached the IH-35 corridor.
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 EWX wrote it up.
An upper level low moving eastward across the Midwest U.S. spawned several supercells as well as short lines of thunderstorms along a north-south aligned cold front as it crossed the Hill Country and approached the IH-35 corridor. The storms produced heavy rainfall, large hail, and two tornadoes.
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 Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Mar 30, 5:38 AM CST, 3 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 638 AM CDT FRI MAR 30 2007 .AVIATION... A VERY MOIST UNSTABLE AIRMASS ACROSS S TX ALONG WITH AN APPROACHING UPPER TROF WILL RESULT IN IN SCT SHRA/TSRA OVER THE AREA THIS MORNING. SHRA/TSRA INCREASING ACROSS S CENTRAL TX WITH SOME STORMS SVR CONTAINING LARGE HAIL. IMPROVING CONDITIONS FROM THE WEST WILL NOT OCCUR UNTIL AFTER 31/12Z AS THE UPPER TROF SWINGS BY AND A COLD FRONT PUSHES INTO S TX. && .PREV DISCUSSION... /ISSUED 404 AM CDT FRI MAR 30 2007/ DISCUSSION... WET AND STORMY CONDITIONS ARE EXPECTED ACROSS SOUTH CENTRAL TEXAS THROUGH SATURDAY MORNING. DUE TO THE SLOW-MOVING NATURE OF THE UPPER LOW, HEAVY RAINFALL IS A MAJOR CONCERN THROUGH THE NEXT 24-30 HOURS. DUE TO THIS HEAVY RAIN POTENTIAL...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE CWA FROM 7 AM CDT TODAY THROUGH 7 AM CDT SATURDAY MORNING. AREA WIDE RAINFALL TOTALS THROUGH MID- DAY SATURDAY WILL AVERAGE 2 TO 4 INCHES...WITH ISOLATED AMOUNTS OF 4 TO 8 INCHES POSSIBLE. WHILE FLASH FLOODING IS THE PREDOMINANT WEATHER CONCERN...HAIL AND DAMAGING WINDS ARE ALSO POSSIBLE ACROSS SOUTH CENTRAL TEXAS THROUGH SATURDAY MORNING. AS THE UPPER LOW CONTINUES TO PROGRESS EASTWARD...POPS WILL DECREASE FROM THE WEST SATURDAY MORNING...WITH ONLY SLT CHC POPS ACROSS THE EASTERN THIRD OF THE CWA BY SATURDAY AFTERNOON. MOSTLY CLEAR SKIES WILL ALLOW TEMPERATURES TO PEAK IN THE 80S ON SUNDAY. THE WARM WEATHER WILL CONTINUE THROUGH TUESDAY...BUT AN UPPER TROUGH WILL DIP INTO THE REGION EARLY NEXT WEEK. THIS SYSTEM WILL LIKELY BE ANOTHER SLOW-MOVER...AND MAY LEAD TO A RENEWED CHANCE FOR FLASH FLOODING CONCERNS. AT THIS POINT...HAVE POPS BACK IN THE FORECAST FOR MONDAY AND TUESDAY...BUT THIS SCENARIO COULD EASILY CHANGE AS THE TRACK OF THE SYSTEM BECOMES MORE WELL-DEFINED OVER THE NEXT FEW DAYS. A COLD FRONT IS EXPECTED BY MID-WEEK...BRINGING TEMPERATURES A FEW DEGREES COOLER THAN EARLY APRIL NORMALS THROUGH THE END OF THE WEEK. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 76 59 73 58 87 / 100 90 60 10 - AUSTIN BERGSTROM INTL AIRPORT 75 62 73 52 84 / 100 90 60 10 - DEL RIO INTL AIRPORT 77 63 82 62 87 / 70 60 10 - - SAN ANTONIO INTL AIRPORT 77 61 76 59 86 / 90 90 60 10 - && .EWX WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH SATURDAY MORNING FOR THE FOLLOWING ZONES: ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...CALDWELL... COMAL...DE WITT...DIMMIT...EDWARDS...FAYETTE...FRIO...GILLESPIE... GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR...KINNEY... LAVACA...LEE...LLANO...MAVERICK...MEDINA...REAL...TRAVIS...UVALDE... VAL VERDE...WILLIAMSON...WILSON...ZAVALA. && 25/01
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 511 AM CDT FRI MAR 30 2007 TXZ171>173-183>194-202>209-217>225-228-311015- LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 511 AM CDT FRI MAR 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT THE IS A SLIGHT TO MODERATE RISK FOR SEVERE THUNDERSTORMS...HEAVY RAINS AND FLASH FLOODING ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. A FLASH FLOOD WATCH IS IN EFFECT. THE SEVERE WEATHER THREAT WILL BE IN THE FORM OF LARGE HAIL AND POSSIBLE TORNADOES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY INTO THIS EVENING.
The Austin/San Antonio radar (KEWX), 52 km away, was scanning. The volume nearest the first event began at 15:03 UTC.
10 flash flood, 6 hail, 2 tornado, 2 flood, 1 thunderstorm wind. Local standard time, as filed.
Officers of the Department of Public observed a small tornado northwest of Wimberley. The tornado touched down very briefly in an open area, then lifted and dissipated without causing any damage.
A second tornado was reported by several members of the public as it touched down in an open field along Mt. Sharp Road about 8 miles southwest of Dripping Springs. The tornado lifted and dissipated quickly. No damage was indicated.
General 3 to 4 inch rainfall over the southwestern two-thirds of Hays County resulted in widespread flash flooding. An NWS survey found FM2325 closed northwest of Wimberley and FM165 closed near Henly. In addition, parts of US290 was reported to be under water between Dripping Springs and Henly. CR295 was also closed near San Marcos.
Between 2 and 3 inches of rain fell in the northwestern corner of Medina County, causing flash flooding that closed FM462 and FM1796.
Up to 3 inches of rain fell at Payton in the late morning, closing SH32 and FM165 due to high water.
Tarpley received up to 4 inches in less than an hour, causing flash flooding that closed FM470 and FM462.
Up to 4 inches of rain fell between Fredericksburg and Willow City, causing flash flooding that closed FM1323 through the mid afternoon.
Thunderstorms produced rainfall of 2 to 3 inches in northern Kendall County, causing flash flooding that closed FM1376 through the mid afternoon.
Thunderstorms in the early and mid afternoon produced between 3 and 4 inches of rain over northern Burnet County. Highest amounts were in the Okalla area where FM963 and FM2657 were closed due to high water.
Onion Creek near Driftwood crested at 11.04 ft at 1620 CST on March 30, where flood stage is 7 ft.
Hail up to 3 inches in diameter broke the windshield of the Skywarn spotter who observed it.
Slow-moving thunderstorms along the southern half of Real County produced widespread 1 to 2 inch amounts with isolated totals to 4 inches through the late afternoon and evening. Flash flooding was reported over most roads from Leakey southward, including FM337.
Between 3 and 4 inches of rain fells around Reagan Wells, about 5 miles northwest of Concan. Flash flooding developed that closed SH127 and FM1051.
Severe thunderstorm winds blew down trees and damaged roofs of homes in Hondo.
Between 2 and 3 inches of rain fell across northern Wilson County, with up to 4 inches near Stockdale. Flash flooding closed SH119, FM537, and SH123.
The San Marcos River below Luling crested at 26.19 ft at 1730 CST on March 31, where flood stage is 20 ft.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyThe tornado archive for Texas, 2007Warnings in Texas, March 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: 22488, 22486, 22489, 22490, 22492, 22493, 22494, 22497, 22498, 22499, 22500, 22501, 22502, 22503, 22504, 22506, 22513, 22508, 22515, 22518, 22521.