An upper level low moved out of the southern Rockies bringing a cold front through Texas. This front moved into a moist, unstable airmass and formed thunderstorms. Some of these storms produced large hail, damaging wind gusts, and heavy rain that led to flash flooding.

Thunderstorm Wind in WILSON, TEXAS
From 17-MAY-16 23:45:00 to 17-MAY-16 23:45:00 (CST-6)
Location: FLORESVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm produced wind gusts estimated at 60 mph near the junction of Hwy 97 and FM1344. Power outages were reported in Floresville.

Thunderstorm Wind in WILSON, TEXAS
From 17-MAY-16 23:45:00 to 17-MAY-16 23:45:00 (CST-6)
Location: CALAVERAS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm produced wind gusts estimated at 60 mph that knocked down some large tree limbs on FM775 just west of Hwy 181. This storm also produced quarter size hail.

Thunderstorm Wind in BEXAR, TEXAS
From 17-MAY-16 23:00:00 to 17-MAY-16 23:00:00 (CST-6)
Location: SOUTHTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The Toyota manufacturing plant sustained major damage to several buildings.  Unconfirmed microburst winds of an estimated 75 mph moved east across the facility grounds around midnight.  Cost estimates of damage are unknown but water damage and wind damage to the plant was significant.

Hail in GILLESPIE, TEXAS
From 17-MAY-16 19:34:00 to 17-MAY-16 19:34:00 (CST-6)
Location: HARPER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KERR, TEXAS
From 17-MAY-16 20:35:00 to 17-MAY-16 20:35:00 (CST-6)
Location: CAMP SCENIC
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KERR, TEXAS
From 17-MAY-16 20:40:00 to 17-MAY-16 20:40:00 (CST-6)
Location: INGRAM
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KERR, TEXAS
From 17-MAY-16 20:45:00 to 17-MAY-16 20:45:00 (CST-6)
Location: INGRAM
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KERR, TEXAS
From 17-MAY-16 20:51:00 to 17-MAY-16 20:51:00 (CST-6)
Location: KERRVILLE
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KERR, TEXAS
From 17-MAY-16 21:00:00 to 17-MAY-16 21:00:00 (CST-6)
Location: KERRVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in KERR, TEXAS
From 17-MAY-16 21:00:00 to 17-MAY-16 21:00:00 (CST-6)
Location: CAMP SCENIC
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in MEDINA, TEXAS
From 17-MAY-16 21:11:00 to 17-MAY-16 21:11:00 (CST-6)
Location: HONDO ARPT
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MEDINA, TEXAS
From 17-MAY-16 21:48:00 to 17-MAY-16 21:48:00 (CST-6)
Location: DUNLAY
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MEDINA, TEXAS
From 17-MAY-16 21:58:00 to 17-MAY-16 21:58:00 (CST-6)
Location: CASTROVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced golf ball size hail in Castroville.

Hail in MEDINA, TEXAS
From 17-MAY-16 22:00:00 to 17-MAY-16 22:00:00 (CST-6)
Location: NOONAN
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in MEDINA, TEXAS
From 17-MAY-16 22:04:00 to 17-MAY-16 22:04:00 (CST-6)
Location: CASTROVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MEDINA, TEXAS
From 17-MAY-16 22:15:00 to 17-MAY-16 22:15:00 (CST-6)
Location: CASTROVILLE MUNI ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MEDINA, TEXAS
From 17-MAY-16 22:25:00 to 17-MAY-16 22:25:00 (CST-6)
Location: HONDO ARPT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced two inch hail near FM1796 and CR321 north of D'Hanis.

Thunderstorm Wind in BEXAR, TEXAS
From 17-MAY-16 22:40:00 to 17-MAY-16 22:40:00 (CST-6)
Location: VON ORMY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A thunderstorm produced wind gusts estimated at 60 mph that overturned a large fifth wheel travel trailer.

Thunderstorm Wind in GUADALUPE, TEXAS
From 17-MAY-16 22:55:00 to 17-MAY-16 22:55:00 (CST-6)
Location: CIBOLO KARDYS ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A thunderstorm produced wind gusts estimated at 60 mph that knocked down some six inch diameter tree limbs.

Thunderstorm Wind in WILSON, TEXAS
From 17-MAY-16 23:15:00 to 17-MAY-16 23:15:00 (CST-6)
Location: FLORESVILLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced wind gusts estimated at 70 mph that snapped or uprooted numerous trees with some falling on cars. The wind also caused minor structural damage to some roofs and siding.

Thunderstorm Wind in WILSON, TEXAS
From 17-MAY-16 23:45:00 to 17-MAY-16 23:45:00 (CST-6)
Location: CALAVERAS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced wind gusts estimated at 60 mph that knocked down power lines on FM775 between Hwy 181 and CR128.

Thunderstorm Wind in WILSON, TEXAS
From 17-MAY-16 23:45:00 to 17-MAY-16 23:45:00 (CST-6)
Location: LABATT
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm produced wind gusts estimated at 80 mph that knocked down large tree limbs. This storm also produced quarter size hail. Storms on this day produced considerable crop damage in the county. The USDA Farm Service Agency reported nearly all crops planted in Wilson County sustained damage. The total effect on the crops in the county will not be known until the end of the growing season. Most damage was due to high winds blowing the plant to the ground or damaging it so much that the crop will be unharvestable.

Flash Flood in BANDERA, TEXAS
From 17-MAY-16 21:45:00 to 18-MAY-16 00:00:00 (CST-6)
Location: BANDERA FLYING L ARP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that caused flash flooding closing several low water crossings around the county including Live Oak Ridge near Lower Mason Creek Rd.

Flash Flood in BEXAR, TEXAS
From 17-MAY-16 23:35:00 to 18-MAY-16 02:30:00 (CST-6)
Location: WETMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Thunderstorms produced heavy rain that caused flash flooding closing Stahl Rd. at Haymarket St. in northern San Antonio.

Flash Flood in COMAL, TEXAS
From 17-MAY-16 23:45:00 to 18-MAY-16 02:30:00 (CST-6)
Location: DITTLINGER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms produced heavy rain that caused flash flooding sweeping a tractor trailer truck off of N. Solms Rd. just northwest of I-35 in New Braunfels. The truck driver was rescued by the New Braufels Fire Department.

Flash Flood in BEXAR, TEXAS
From 17-MAY-16 23:51:00 to 18-MAY-16 02:30:00 (CST-6)
Location: OLMOS PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Thunderstorms produced heavy rain that caused flash flooding closing N. Vandiver Rd. at Irvington in northern San Antonio.

Flash Flood in BEXAR, TEXAS
From 17-MAY-16 23:58:00 to 18-MAY-16 02:30:00 (CST-6)
Location: WETMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

Thunderstorms produced heavy rain that caused flash flooding closing N. Weidner Rd. at Schertz Rd. in northeastern San Antonio.

Flash Flood in COMAL, TEXAS
From 18-MAY-16 00:06:00 to 18-MAY-16 02:30:00 (CST-6)
Location: CORBYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that caused flash flooding closing several roads in southern and central parts of the county.

Flash Flood in GUADALUPE, TEXAS
From 18-MAY-16 01:00:00 to 18-MAY-16 02:30:00 (CST-6)
Location: MARLONE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that caused flash flooding resulting in a high water rescue in the 2500 block of Marion Rd.

Flash Flood in COMAL, TEXAS
From 18-MAY-16 00:10:00 to 18-MAY-16 02:30:00 (CST-6)
Location: NEW BRAUNFELS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that caused flash flooding resulting in several high water rescues in New Braunfels.

Hail in MEDINA, TEXAS
From 17-MAY-16 21:34:00 to 17-MAY-16 21:34:00 (CST-6)
Location: QUIHI
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced ping pong ball size hail in Quihi.