Texas, 2001

Tornado and Flash Flooding in Texas, June 5 to 6, 2001

June 5 to 6, 2001 · NWS HGX · 8 events in 6 counties and zones

6 flash flood, 1 tornado, 1 funnel cloud, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$40,000
Crop damage
None recorded
Events
8

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.

What forecasters said that day

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 Houston/Galveston, TX wrote its last area forecast discussion before the first event at Jun 5, 1:45 PM CST, 2 hours 15 minutes earlier.

Area forecast discussion, Jun 5, 1:45 PM CST, 2 hours 15 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
245 PM CDT TUE JUN 5 2001

THE TROPICAL SEASON IS UNDERWAY...AND WE HAVE THE MISFORTUNE OF
HAVING TO DEAL WITH THE FIRST ONE...ALLISON. HPC GUIDANCE TAKES THE
SYSTEM INLAND ACRS OUR SE COAST THIS EVENING. MAX WINDS AT PRESENT
50G60KT. QPF AMTS 5 INCHES PLUS AHD OF STORM. WON'T GO ON FOR PAGES
DISCUSSING PARTICULARS...SEE LATEST HPC GUIDANCE AND OUR HLS'S.

BEHIND ALLISON...AIRMASS REMAINS VERY MOIST. A LTL HEATING ON AN
ATMOSPHERE WITH PW VALUES AOA 2" SHD LEAD TO MORE CONVECTION TMRW
INTO TMRW NGT. WILL BE USING HIGH POPS RANGING FROM 50 NW TO CAT SE.
MOISTURE REMAINS NEARLY AS HIGH INTO THU. ETA SHOWS SOME IMPRESSIVE
UVV VALUES SRN ZONES. SO ANOTHER ROUND OF TSTMS LOOKS QUITE POSSIBLE
THU.

EFP LEFT UNCHANGED. MRF SHOWS LOWER MOISTURE LVLS BUT STILL ENOUGH
FOR ISOLD CONVECTION EACH DAY. RDG A LTL TOO FAR WEST FOR HIGH
CONFIDENCE THAT CAP WILL KEEP US COMPLETELY DRY EACH DAY.

.KHGX...FLASH FLOOD WATCH THRU WED ALONG AND E OF A LINE FROM
        NORMANGEE TO SWEENY.

        TROPICAL STORM WARNING SARGENT EWD.

        HIGH WIND WARNING MONTGOMERY...POLK...SAN JACINTO CO
        TNGT.

PRELIMS...
CLL TT 071/085 071/085 071 566
IAH TT 073/085 073/085 073 887
GLS TT 075/083 075/083 076 887

The radar

The Houston radar (KHGX), 32 km away, was scanning. The volume nearest the first event began at 22:29 UTC.

Open the radar archive at this moment

Event by event

6 flash flood, 1 tornado, 1 funnel cloud. Local standard time, as filed.

Flash Flood, Galveston

When
June 5, 4:00 PM CST to June 6, 2:00 AM CST
Where
Galveston County, Countywide
Reported by
LAW ENFORCEMENT
Coordinates
29.298, -94.811 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

Tornado, Brazoria

When
June 5, 4:30 PM CST
Where
Brazoria County, 1 mi E of Manvel
Rating
F0
Path length
0.5 mi
Path width
30 yd
Property damage
$40,000
Reported by
LAW ENFORCEMENT
Coordinates
29.467, -95.333

A tornado touched down near Highway 6 and County Road 99, downing trees and damaging one home.

Flash Flood, Brazoria

When
June 5, 5:15 PM CST to 9:00 PM CST
Where
Brazoria County, Northeast Portion
Reported by
LAW ENFORCEMENT
Coordinates
29.168, -95.434 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

Flash Flood, Harris

When
June 5, 5:30 PM CST to June 6, 2:00 AM CST
Where
Harris County, South Portion
Reported by
LAW ENFORCEMENT
Coordinates
29.857, -95.392 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

Funnel Cloud, Brazoria

When
June 5, 6:55 PM CST
Where
Brazoria County, Liverpool
Reported by
GENERAL PUBLIC
Coordinates
29.168, -95.434 (the zone’s center; the record gives no point)

Flash Flood, Montgomery

When
June 5, 9:30 PM CST to June 6, 4:00 AM CST
Where
Montgomery County, Southeast Portion
Reported by
LAW ENFORCEMENT
Coordinates
30.300, -95.503 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

Flash Flood, Trinity

When
June 6, 12:30 AM CST to 2:00 AM CST
Where
Trinity County, Countywide
Reported by
LAW ENFORCEMENT
Coordinates
31.089, -95.135 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

Flash Flood, Walker

When
June 6, 12:30 AM CST to 5:30 AM CST
Where
Walker County, Countywide
Reported by
LAW ENFORCEMENT
Coordinates
30.739, -95.572 (the zone’s center; the record gives no point)

Flooding from T.S. Allison. Damage included in previous report.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Texas in 2001Every state in 2001This day in weather historyThe tornado archive for Texas, 2001Warnings in Texas, June 2001

Sources

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: 5255995, 5256001, 5255997, 5255996, 5256002, 5255998, 5255999, 5256000.