A cold front moved into a warm, very moist airmass over South Central Texas and generated thunderstorms. Some of these storms produced large hail and heavy rain. The heavy rain led to localized flash flooding. Rainfall totals in worst hit counties ranged from 4.09 to 5.72 inches.

Tornado in CALDWELL, TEXAS
From 28-MAR-18 03:57:00 to 28-MAR-18 03:59:00 (CST-6)
Location: BROWNSBORO
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

In the early morning hours, a cluster of storms moved east across portions of Caldwell County. Along the leading edge of the thunderstorms, an NWS survey concluded a small EF-0 (estimated peak wind, 80mph) tornado formed and produced some minor damage approximately seven miles northeast of Luling. Wind damage to some trees was found on CR 144 with some roof damage reported off of Wattsville Rd. A small tornado track was found that crossed Pasture Rd. and continued east just north of Wattsville Rd. ending just east of Tenney Creek Rd.

Hail in FRIO, TEXAS
From 27-MAR-18 23:04:00 to 27-MAR-18 23:04:00 (CST-6)
Location: PEARSALL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced quarter size hail near the Petro Shopping Center west of I-35 in Pearsall.

Hail in FRIO, TEXAS
From 27-MAR-18 23:15:00 to 27-MAR-18 23:15:00 (CST-6)
Location: PEARSALL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced quarter size hail near N. Cherry St. in Pearsall.

Hail in FRIO, TEXAS
From 27-MAR-18 23:15:00 to 27-MAR-18 23:15:00 (CST-6)
Location: PEARSALL
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced 1.5 inch hail on the north side of Pearsall. There was also some tree branch damage at this location.

Hail in DIMMIT, TEXAS
From 27-MAR-18 23:45:00 to 27-MAR-18 23:45:00 (CST-6)
Location: CATARINA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced half dollar size hail north of Catarina.

Hail in MEDINA, TEXAS
From 28-MAR-18 08:13:00 to 28-MAR-18 08:13:00 (CST-6)
Location: DUNLAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced quarter size hail west of Castroville.

Hail in MEDINA, TEXAS
From 28-MAR-18 08:26:00 to 28-MAR-18 08:26:00 (CST-6)
Location: LACOSTE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced half dollar size hail in Lacoste.

Hail in BEXAR, TEXAS
From 28-MAR-18 08:45:00 to 28-MAR-18 08:45:00 (CST-6)
Location: (SKF)KELLY AFB SAN A
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced quarter size hail on the far west side of San Antonio.

Hail in BEXAR, TEXAS
From 28-MAR-18 09:25:00 to 28-MAR-18 09:25:00 (CST-6)
Location: (RND)RANDOLPH AFB SA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GUADALUPE, TEXAS
From 28-MAR-18 21:05:00 to 28-MAR-18 21:05:00 (CST-6)
Location: SCHUMANSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in BEXAR, TEXAS
From 28-MAR-18 21:20:00 to 28-MAR-18 21:20:00 (CST-6)
Location: MARTINEZ
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced quarter size hail near I-410 and Rigsby Ave. on the east side of San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 02:18:00 to 28-MAR-18 02:18:00 (CST-6)
Location: BALCONES HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorms produced heavy rain that led to flash flooding. BEXARFLOOD.ORG reported 25 roads closed on the north side of San Antonio.

Flash Flood in HAYS, TEXAS
From 28-MAR-18 02:22:00 to 28-MAR-18 08:30:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorms produced heavy rain that led to flash flooding sending water over the roadway at the intersection of S. LBJ Dr. and the I-35 Frontage Road, on Guadalupe St., and on Sessom Dr. in San Marcos.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 02:29:00 to 28-MAR-18 07:15:00 (CST-6)
Location: ALAMO DOWNS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A thunderstorm produced heavy rain that led to flash flooding requiring a water rescue near the intersection of Westcreek Oaks Dr. and Military Dr. W. on the far west side San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 02:33:00 to 28-MAR-18 07:15:00 (CST-6)
Location: SAT TWIN OAKS ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding requiring a water rescue near the intersection of Chula Vista Dr. and San Pedro Ave. just of east of Hwy 281 in Hollywood Park.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 02:53:00 to 28-MAR-18 07:15:00 (CST-6)
Location: LUXELLO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding requiring a water rescue at Loop 1604 and Green Mountain Rd. on the far northeast side of San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 02:54:00 to 28-MAR-18 07:15:00 (CST-6)
Location: WETMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding with residents evacuated from an apartment complex on Nacogdoches Rd. in far northwest San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 03:03:00 to 28-MAR-18 07:15:00 (CST-6)
Location: WETMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding requiring a water rescue at I-35 and N. Weidner Rd. in northeast San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 03:34:00 to 28-MAR-18 07:15:00 (CST-6)
Location: SAT TWIN OAKS ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding requiring a water rescue at the intersection of Hwy 281 and Loop 1604 on the far north side of San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 03:35:00 to 28-MAR-18 07:15:00 (CST-6)
Location: LONGHORN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding requiring a water rescue at I-35 and Thousand Oaks in northeastern San Antonio.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 04:01:00 to 28-MAR-18 07:15:00 (CST-6)
Location: SAN ANTONIO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing the lower level of I-35 between Alamo St. and Guadalupe St. in downtown San Antonio.

Flash Flood in TRAVIS, TEXAS
From 28-MAR-18 04:03:00 to 28-MAR-18 08:30:00 (CST-6)
Location: AUSTIN MABRY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced heavy rain that led to street flooding in the Hyde Park neighborhood of Austin.

Flash Flood in WILLIAMSON, TEXAS
From 28-MAR-18 04:25:00 to 28-MAR-18 08:30:00 (CST-6)
Location: CEDAR PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that led to flash flooding closing Lakeline Blvd. between Little Elm Tr. and Old Mill Rd. in Cedar Park.

Flash Flood in WILLIAMSON, TEXAS
From 28-MAR-18 04:28:00 to 28-MAR-18 08:30:00 (CST-6)
Location: JONAH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing numerous low water crossings in Williamson County.

Flash Flood in HAYS, TEXAS
From 28-MAR-18 04:33:00 to 28-MAR-18 08:30:00 (CST-6)
Location: KYLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing numerous roads in Kyle.

Flash Flood in TRAVIS, TEXAS
From 28-MAR-18 04:46:00 to 28-MAR-18 08:30:00 (CST-6)
Location: WEST LAKE HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced heavy rain that led to flash flooding closing numerous low water crossings in Austin and Travis County.

Flash Flood in BEXAR, TEXAS
From 28-MAR-18 09:46:00 to 28-MAR-18 14:00:00 (CST-6)
Location: LEON SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorms produced heavy rain that led to flash flooding closing numerous roads and requiring high water rescues across Bexar County.

Flash Flood in MEDINA, TEXAS
From 28-MAR-18 10:17:00 to 28-MAR-18 10:45:00 (CST-6)
Location: HONDO ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing numerous roads across Medina County.

Flash Flood in WILLIAMSON, TEXAS
From 28-MAR-18 06:33:00 to 28-MAR-18 08:30:00 (CST-6)
Location: RICES CROSSING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that led to flash flooding closing numerous roads in Williamson County.

Flash Flood in HAYS, TEXAS
From 28-MAR-18 10:43:00 to 28-MAR-18 12:30:00 (CST-6)
Location: KYLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing numerous low water crossings in the San Marcos and Kyle areas.

Flash Flood in CALDWELL, TEXAS
From 28-MAR-18 10:57:00 to 28-MAR-18 12:30:00 (CST-6)
Location: MAXWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that led to flash flooding closing numerous roads in Caldwell County.

Flash Flood in GUADALUPE, TEXAS
From 28-MAR-18 11:30:00 to 28-MAR-18 12:30:00 (CST-6)
Location: GERONIMO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that led to flash flooding closing multiple low water crossings west of Seguin especially along Alligator Creek.