A powerful and slow moving upper level low pressure system brought severe weather and flooding to North Texas on the 19th and into the overnight hours of the 20th. The event initially began as severe thunderstorms with hail up to the size of golf balls developed in the western portions of the CWA. Damaging winds and flooding became the main concern after midnight. Several locations across North Texas received over 6 inches of rain from this event. Significant flash flooding occurred in McLennan and Navarro Counties.

Hail in WISE, TEXAS
From 19-MAR-12 14:57:00 to 19-MAR-12 14:57:00 (CST-6)
Location: DECATUR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in LAMPASAS, TEXAS
From 19-MAR-12 18:25:00 to 19-MAR-12 18:28:00 (CST-6)
Location: LAMPASAS ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CORYELL, TEXAS
From 19-MAR-12 19:23:00 to 19-MAR-12 19:23:00 (CST-6)
Location: GATESVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CORYELL, TEXAS
From 19-MAR-12 19:45:00 to 19-MAR-12 19:45:00 (CST-6)
Location: COPPERAS COVE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lightning in GRAYSON, TEXAS
From 19-MAR-12 18:07:00 to 19-MAR-12 18:07:00 (CST-6)
Location: SHERMAN
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An oil tanker was struck by lightning and caught on fire.

Hail in MCLENNAN, TEXAS
From 19-MAR-12 21:07:00 to 19-MAR-12 21:07:00 (CST-6)
Location: WOODWAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Penny sized hail fell at the Richland Mall in West Waco.

Thunderstorm Wind in MILAM, TEXAS
From 20-MAR-12 00:59:00 to 20-MAR-12 00:59:00 (CST-6)
Location: SAUER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large tree limbs were blown down and blocked the intersection of Farm-to-Market Road 1600 and County Road 218.

Thunderstorm Wind in VAN ZANDT, TEXAS
From 19-MAR-12 23:20:00 to 19-MAR-12 23:20:00 (CST-6)
Location: WALTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Large trees were uprooted near the intersection of County Road 1256 and Highway 19.

Thunderstorm Wind in MILAM, TEXAS
From 20-MAR-12 01:08:00 to 20-MAR-12 01:08:00 (CST-6)
Location: ROCKDALE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree was blocking Farm-to-Market Road 908 south of Rockdale.

Thunderstorm Wind in FALLS, TEXAS
From 20-MAR-12 01:15:00 to 20-MAR-12 01:15:00 (CST-6)
Location: ELOISE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were blown down in the town of Eloise.

Thunderstorm Wind in ROBERTSON, TEXAS
From 20-MAR-12 01:20:00 to 20-MAR-12 01:20:00 (CST-6)
Location: VALLEY JCT STATION
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were blown over about 6 miles west of Hearne. Trees were blown over across several county roads and Farm-to-Market 2095.

Flash Flood in NAVARRO, TEXAS
From 20-MAR-12 01:28:00 to 20-MAR-12 03:00:00 (CST-6)
Location: BARRY
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Law Enforcement

County Road 2005 was closed due to high water and both northbound lanes of Interstate 45 at mile marker 231 were shut down due to flooding. Storm total rainfall within the county exceeded 6 inches. Multiple roads were reported to be washed out and there was also damage to culverts and bridges. As many as 80 roads were suspected to have been damaged or washed out. The county judge issued a disaster declaration for the county due to the flooding.

Flood in VAN ZANDT, TEXAS
From 20-MAR-12 04:45:00 to 20-MAR-12 05:45:00 (CST-6)
Location: WENTWORTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain left residual flooding that closed the intersection of Farm-to-Market 1255 and County Road 1652. Farm-to-Market 1255 was also closed at the intersection with Highway 110.

Flood in ANDERSON, TEXAS
From 20-MAR-12 03:30:00 to 20-MAR-12 07:30:00 (CST-6)
Location: BLACKFOOT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Many roads across the county were closed overnight due to high water.

Flood in BELL, TEXAS
From 20-MAR-12 02:30:00 to 20-MAR-12 09:30:00 (CST-6)
Location: TROY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Residual flooding continued and many roads remained closed until the morning hours. This was well after the heavy rain had ended.

Hail in ERATH, TEXAS
From 19-MAR-12 13:25:00 to 19-MAR-12 13:25:00 (CST-6)
Location: THURBER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PALO PINTO, TEXAS
From 19-MAR-12 14:03:00 to 19-MAR-12 14:03:00 (CST-6)
Location: MINERAL WELLS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PARKER, TEXAS
From 19-MAR-12 14:09:00 to 19-MAR-12 14:09:00 (CST-6)
Location: WHITT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel sized hail covered the ground.

Hail in WISE, TEXAS
From 19-MAR-12 14:23:00 to 19-MAR-12 14:23:00 (CST-6)
Location: BOONSVILLE
Magnitude: 1.75 
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Dime to golfball sized hail fell in Boonsville.

Hail in PARKER, TEXAS
From 19-MAR-12 14:15:00 to 19-MAR-12 14:15:00 (CST-6)
Location: POOLVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in WISE, TEXAS
From 19-MAR-12 14:34:00 to 19-MAR-12 14:34:00 (CST-6)
Location: BRIDGEPORT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel sized hail covered the ground.

Flood in COLLIN, TEXAS
From 20-MAR-12 00:00:00 to 20-MAR-12 11:45:00 (CST-6)
Location: LOLAVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Twenty-three roads were closed overnight in the county, with most closures in the northeastern portions of the county.

Flash Flood in DALLAS, TEXAS
From 19-MAR-12 20:25:00 to 20-MAR-12 02:45:00 (CST-6)
Location: REINHARDT
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Very heavy rainfall led to flash flooding across the city of Dallas. Eight major roads had to be closed due to high water and there was significant flooding on residential streets. There was significant flash flooding around White Rock Creek, and one high water rescue was conducted by helicopter when a homeless person was stranded in a tree with rushing water below him.

Flash Flood in CORYELL, TEXAS
From 19-MAR-12 21:33:00 to 19-MAR-12 23:45:00 (CST-6)
Location: CORYELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several county roads were closed due to overflowing creeks and high water across Coryell County after heavy rains impacted the area.

Flood in DALLAS, TEXAS
From 20-MAR-12 02:45:00 to 20-MAR-12 09:45:00 (CST-6)
Location: BOBWYN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Many roads throughout the county remained impassable after the heavy rain ended. Residential and access roads were impacted the most.

Flood in CORYELL, TEXAS
From 19-MAR-12 23:45:00 to 20-MAR-12 11:45:00 (CST-6)
Location: PEARL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Residual flooding continued and many roads remained closed through the late morning hours. This was well after the heavy rain had ended.

Flash Flood in FANNIN, TEXAS
From 19-MAR-12 22:14:00 to 19-MAR-12 23:00:00 (CST-6)
Location: MULBERRY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water was rushing over Highway 78 north of Bailey, and high water was flooding Highway 56 near Windom due to heavy rainfall. Bois D Arc Creek exceeded its banks and closed Farm-to-Market Roads 1396 and 100 due to high water from the creek.

Flash Flood in BELL, TEXAS
From 19-MAR-12 22:34:00 to 20-MAR-12 02:30:00 (CST-6)
Location: WHITE HALL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Mandatory evacuations were ordered for residents in a mobile home park along Nolan Creek in Killeen. The intersection of Highway 36 and Aycock Road in White Hall was closed due to high water.

Flood in FANNIN, TEXAS
From 19-MAR-12 23:00:00 to 20-MAR-12 09:45:00 (CST-6)
Location: MULBERRY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Residual flooding continued and many roads remained closed through the morning hours. The most significant flooding remained along several roads that crossed the Bois D Arc Creek.

Flood in NAVARRO, TEXAS
From 20-MAR-12 03:00:00 to 20-MAR-12 09:00:00 (CST-6)
Location: MONTFORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Residual flooding continued and many roads remained closed until the morning hours. This was well after the heavy rain had ended.

Flood in MCLENNAN, TEXAS
From 20-MAR-12 02:30:00 to 20-MAR-12 09:30:00 (CST-6)
Location: HILLSIDE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Residual flooding continued across the county for several hours after the heavy rain had ended. The Robinson Flat Recreational Vehicle Community was evacuated due to rising waters.

Flash Flood in MCLENNAN, TEXAS
From 19-MAR-12 23:22:00 to 20-MAR-12 02:30:00 (CST-6)
Location: CHINA SPG
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Many cars were stranded at the intersection of Hewitt Drive and Chapel Road near Woodway. Many streets were also closed near this location. Additional roads were closed throughout the cities of Waco and Robinson, and one high water rescue was conducted in Waco at the intersection of North 27th Street and Colonial Avenue. Interstate 35 was closed for several hours near the Hillcrest Baptist Medical Center. A few cars were swept away at the intersection of 23rd Street and Franklin Avenue.