Strong upper level disturbances combined with above average moisture levels and favorable upper level wind patterns to produce a round of severe thunderstorms that eventually trained and produced excessive rainfall and flash flood during the afternoon hours of the 26th and on into the overnight and early morning hours of the 27th. Rainfall totals of 6 to 10 inches were common over the north and northwestern parts of Harris County into Waller, Montgomery, and Washington Counties, with much of the rain falling in a 3 to 6 hour period. Portions of Washington County recorded over 12 inches of rainfall in a 3 hour period. This event was the fourth federal disaster declaration for Harris County in the last year.

Flash Flood in BRAZOS, TEXAS
From 26-MAY-16 12:50:00 to 27-MAY-16 06:15:00 (CST-6)
Location: SMETANA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

High water made roads impassable including US 190 in Kurten, and SH 6 southbound at FM 2818. Many roadways were flooded and impassable between Bryan and College Station. Tennessee Road in North Bryan as well as Villa Maria Road between Texas and Cavitt Roads were impassable due to flood waters.

Flash Flood in POLK, TEXAS
From 27-MAY-16 05:00:00 to 27-MAY-16 11:00:00 (CST-6)
Location: GOODRICH
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Five structures damaged in the Goodrich area. Roads damaged near Corrigan and over eastern part of county.

Tornado in BRAZOS, TEXAS
From 26-MAY-16 11:30:00 to 26-MAY-16 11:38:00 (CST-6)
Location: HARVEY
Tornado F-scale: EF1
Property damage: 7.00M
Reported by: NWS Storm Survey

Tornado touched down in College Station near the 900 block of Lincoln Avenue. It then followed an intermittent track through the Home Depot parking lot then across Route 6 just north of the intersection with University Drive. It crossed a field then produced a more continuous damage path through the Wheeler Ridge subdivision then across the Miramont subdivision. The tornado was observed to lift just north near the intersection of route 1179 and Riverstone Drive. The tornado was rated at the top of the EF1 scale as a few of the homes had significant portions of roofs removed. Majority of damage was EF0 to low-end EF1. Damage dollar amounts are estimated.

Flash Flood in GRIMES, TEXAS
From 26-MAY-16 15:30:00 to 27-MAY-16 12:30:00 (CST-6)
Location: PLANTERSVILLE
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 50.00K
Reported by: Fire Department/Rescue

Water rescues were occurring through the county. FM 362 at Beason Creek was closed due to flooding. Washington Street at Foster Street, Buckingham Lane at FM 379 and Courtney Street in the town of Navasota were all impassable and closed as they were inundated with nearly two feet of water.

Flash Flood in WASHINGTON, TEXAS
From 26-MAY-16 14:50:00 to 27-MAY-16 02:45:00 (CST-6)
Location: BURTON
Flood cause: Heavy Rain
Property damage: 10.00M
Crop damage: 10.00K
Reported by: Law Enforcement

Flood waters inundated homes and there were numerous water rescues in the town of Brenham and around the county. Sections of Highway 36 were impassable due to water over the roadway from Brenham and Somerville. FM 2935 at New Year's Creek was closed due to flooding. All of FM 390 from Burton eastward to FM 105, as well as SH 36 at Highway 290, was closed. There were four fatalities in Washington County. Over 20 inches of rain was measured at one gauge. Damages are estimated.

Thunderstorm Wind in MONTGOMERY, TEXAS
From 26-MAY-16 17:07:00 to 26-MAY-16 17:07:00 (CST-6)
Location: CONROE ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

This wind gust was measured at the KCXO ASOS site.

Thunderstorm Wind in MONTGOMERY, TEXAS
From 26-MAY-16 16:48:00 to 26-MAY-16 17:08:00 (CST-6)
Location: GRANGER
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

There was a swath of wind damage that lasted about 20 minutes between Montgomery and Conroe. Just southeast of Montgomery, a large tall tree sliced through a home. Just outside Cut and Shoot, ten trees were downed included a 100-year-old oak tree. In and around the Conroe area, large tree limbs were stripped off of trees.

Hail in WASHINGTON, TEXAS
From 26-MAY-16 17:12:00 to 26-MAY-16 17:12:00 (CST-6)
Location: BRENHAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was observed in Brenham.

Thunderstorm Wind in WASHINGTON, TEXAS
From 26-MAY-16 17:15:00 to 26-MAY-16 18:15:00 (CST-6)
Location: BURTON
Magnitude: 57.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

There were numerous reports of damage through much of the southern half of the county from near Carmine to Brenham to the Brazos River as a series of severe thunderstorms moved eastward across the county.

Thunderstorm Wind in BURLESON, TEXAS
From 26-MAY-16 13:34:00 to 26-MAY-16 13:37:00 (CST-6)
Location: SNOOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees downed near Snook.

Tornado in WASHINGTON, TEXAS
From 26-MAY-16 14:03:00 to 26-MAY-16 14:06:00 (CST-6)
Location: WILLIAM PENN
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Short damage path near William Penn Rd. Numerous trees downed, few uprooted,  in convergent pattern along path.

Flash Flood in LIBERTY, TEXAS
From 26-MAY-16 22:00:00 to 27-MAY-16 01:00:00 (CST-6)
Location: KENEFICK
Flood cause: Heavy Rain
Property damage: 400.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads and bridges under water. Damage estimated.

Flash Flood in MADISON, TEXAS
From 26-MAY-16 12:15:00 to 26-MAY-16 16:45:00 (CST-6)
Location: MIDWAY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

Numerous roads were flooded and impassable around Madisonville. SH 21 from Madisonville to FM 2548, Old Spanish Trail between I-45 and US 190, and US 190 from Madisonville to Bedias were all under water, impassable and therefore closed.

Flash Flood in HOUSTON, TEXAS
From 26-MAY-16 14:00:00 to 26-MAY-16 16:50:00 (CST-6)
Location: LOVELADY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

SH 19 and FM 1280 were closed due to high flood waters covering the roadway.

Tornado in GRIMES, TEXAS
From 26-MAY-16 14:20:00 to 26-MAY-16 14:21:00 (CST-6)
Location: NAVASOTA MUNI ARPT
Tornado F-scale: EF0
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees uprooted around Wallace Pack prison complex. One of the watch tower standers witnessed tremendous increase in wind embedded in heavy rain; vehicles in parking lot were moved in different directions.

Thunderstorm Wind in GRIMES, TEXAS
From 26-MAY-16 14:05:00 to 26-MAY-16 14:05:00 (CST-6)
Location: NAVASOTA MUNI ARPT
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a tree next to the bridge at the Navasota River along FM 105.

Tornado in GRIMES, TEXAS
From 26-MAY-16 14:28:00 to 26-MAY-16 14:31:00 (CST-6)
Location: COURTNEY
Tornado F-scale: EF1
Property damage: 100.00K
Reported by: NWS Storm Survey

Large number of large trees uprooted west of Route 6. Just east a home had its roof taken off. Damage was consistent with EF2 rating.

Tornado in GRIMES, TEXAS
From 26-MAY-16 14:29:00 to 26-MAY-16 14:32:00 (CST-6)
Location: COURTNEY
Tornado F-scale: EF2
Property damage: 200.00K
Reported by: NWS Storm Survey

Large damage path extended from a large commercial metal building across a ranchers property and on east into a wooded area. The large metal building and a house of the property were destroyed. Around this area and in wooded area numerous large trees were uprooted and snapped. Worst of the damage was consistent with EF2 rating.

Flash Flood in MONTGOMERY, TEXAS
From 26-MAY-16 16:00:00 to 27-MAY-16 13:00:00 (CST-6)
Location: BOBVILLE STATION
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 30.00K
Reported by: Fire Department/Rescue

There were numerous water rescues around the county. Flooding caused the closure of FM 1774 at Buddy Riley Boulevard in Magnolia. Numerous other flooded roadways.

Thunderstorm Wind in WASHINGTON, TEXAS
From 26-MAY-16 16:10:00 to 26-MAY-16 16:20:00 (CST-6)
Location: PRAIRIE HILL
Magnitude: 60.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trailers being towed by cars and trucks were toppled along FM 50 between Brenham and Independence. The severe winds also destroyed a roof on a shed.

Tornado in MONTGOMERY, TEXAS
From 26-MAY-16 16:52:00 to 26-MAY-16 16:53:00 (CST-6)
Location: GRANGER
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Isolated straight line wind damage, mainly in the form of downed trees, was
found across Montgomery county (particularly the southern 2/3s part of
the county). However, the it appears a definitive tornado track started in
western Conroe from in and just west of the Canyon Creek subdivision off of
Longmire Rd.  This small tornado tracked generally west-northwest to the
south of FM 3083 for about a mile.  The strongest winds, likely reaching
90 mph EF1 range, was near the start of the tornado just to the east of
Longmire.  Most of the rest of the tree damage was consistent with EF0 winds
before the tornado dissipated.