Texas, 2002

Flash Flooding in Texas, September 8 to 10, 2002

September 8 to 10, 2002 · NWS HGX · 6 events in 5 counties and zones

6 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 6 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
$160,000
Crop damage
None recorded
Events
6

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 Sep 8, 8:45 AM CST, 20 minutes earlier.

Area forecast discussion, Sep 8, 8:45 AM CST, 20 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
945 AM CDT SUN SEP 8 2002

A LARGE AREA OF SHRA/TSRA ONGOING THIS MORNING. SEVERAL OF THE
STORMS HAVE SHOWN SIGNS OF ROATATION. MORNING SOUNDINGS SHOW PWS
AOA 2.3 INCHES...K INDICES IN THE UPPER 30S AND HELICITY VALUES
150-200. 13Z ANALYSIS SHOWS A WEAK SFC BOUNDARY DRAPED ACROSS THE
REGION VCT TO LFT AND SFC STREAMLINES SHOW STRONG CONFLUENCE ACROSS
SE TX. 85H DEW PTS ARE 16 C AND 85H WINDS ARE SLIGHTLY CONFLUENT AS
WELL. BEST 85H INFLOW LIES ALONG A LCH TO OUN LINE. IR IMAGERY
REVEALS A NICE FETCH OF MSTR LINING UP FROM CHAMBERS COUNTY
SOUTHEAST INTO THE GULF. THIS AREA OF MSTR LOOKS LIKE IT WILL STREAM
INLAND AND AFFECT THE NE ZONES LATER THIS AFTERNOON. NO CHANGES TO
CURRENT FORECAST. MAYBE AN UPDATE LATER IF MESO-BNDRYS WREAK HAVOC.

43/47

.HGX...FLASH FLOOD WATCH THROUGH TONIGHT.
       SCA GULF WATERS.

PRELIMS...
CLL TT 086/075 088/074 091 874
IAH TT 085/076 087/075 089 976
GLS TT 085/080 086/080 086 965

In the hours before

Special weather statement, Sep 8, 4:53 AM CST, 4 hours 12 minutes before
TXZ210-226-235-236-081600-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
553 AM CDT SUN SEP 8 2002

...ISOLATED TORNADOES POSSIBLE THIS MORNING SOUTHWEST OF A
COLUMBUS TO WHARTON TO SARGENT LINE...

DEEP TROPICAL MOISTURE STREAMING INTO THE REMAINS OF FAY WILL FUEL
THUNDERSTORMS OVER THESE AREAS AND SOUTH TEXAS AS WELL. STORMS
SHOULD CONTINUE TO DEVELOP FROM THE COLUMBUS AREA SOUTH TO THE
MATAGORDA BAY AREA AND SOUTH INTO THE COASTAL BEND WATERS. THESE
STORMS WILL BE DEVELOPING IN A REGION OF ENHANCED WIND SHEAR AND
MAY BE CAPABLE OF PRODUCING SHORT LIVED TORNADOES.  AS THE WINDS
IN THIS AREA RELAX THIS LATE THIS MORNING THE THREAT FOR TORNADOES
WILL LIKELY DIMINISH.

PERSONS SHOULD MONITOR LATEST WEATHER INFORMATION IN CASE A TORNADO
WATCH OR WARNING IS ISSUED FOR YOUR AREA.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR
FURTHER UPDATES ON THIS SEVERE WEATHER THREAT.

The radar

The Houston radar (KHGX), 80 km away, was scanning. The volume nearest the first event began at 15:05 UTC.

Open the radar archive at this moment

Event by event

6 flash flood. Local standard time, as filed.

Flash Flood, Liberty

When
September 8, 9:05 AM CST to 1:30 PM CST
Where
Liberty County, Cleveland
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
30.152, -94.812 (the zone’s center; the record gives no point)

Many roads completely submerged just east of Cleveland.

Flash Flood, Harris

When
September 8, 12:35 PM CST to 3:15 PM CST
Where
Harris County, Pasadena
Property damage
$15,000
Reported by
LAW ENFORCEMENT
Coordinates
29.857, -95.392 (the zone’s center; the record gives no point)

Flooding in Pasadena and Deer Park; many roads closed.

Flash Flood, Brazoria

When
September 9, 7:40 AM CST to 10:30 AM CST
Where
Brazoria County, Freeport
Property damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
29.168, -95.434 (the zone’s center; the record gives no point)

Two feet of water on streets in Freeport.

Flash Flood, Brazoria

When
September 10, 1:10 AM CST to 8:30 AM CST
Where
Brazoria County, Countywide
Property damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
29.168, -95.434 (the zone’s center; the record gives no point)

Countywide flooding due to training cells.

Flash Flood, Matagorda

When
September 10, 1:10 AM CST to 6:30 AM CST
Where
Matagorda County, Bay City
Property damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
28.786, -96.004 (the zone’s center; the record gives no point)

Flooded roads in Bay City and Cedar Lane due to training cells.

Flash Flood, Galveston

When
September 10, 3:25 AM CST to 8:30 AM CST
Where
Galveston County, Jamaica Beach
Property damage
$45,000
Reported by
LAW ENFORCEMENT
Coordinates
29.298, -94.811 (the zone’s center; the record gives no point)

Flooding in Jamaica Beach and Pirates Beach.

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.

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

The same day elsewhere

More

Every storm in Texas in 2002Every state in 2002This day in weather historyWarnings in Texas, September 2002

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: 5315374, 5315375, 5315376, 5315377, 5315378, 5315379.