Texas, 2002

Flash Flooding and Hail in Texas, April 7 to 8, 2002

April 7 to 8, 2002 · NWS HGX · 21 events in 8 counties and zones

10 thunderstorm wind, 7 hail, 4 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 4 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
1
Property damage
$770,000
Crop damage
None recorded
Events
21

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 Apr 7, 7:15 PM CST, 2 hours 30 minutes earlier.

Area forecast discussion, Apr 7, 7:15 PM CST, 2 hours 30 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
815 PM CDT SUN APR 7 2002

SQUALL LINE THUNDERSTORMS EXTENDING FROM DFW TO SAT. MOVEMENT HAS
BEEN FASTER THAN PREVIOUSLY ANTICIPATED. COORDINATION W/SPC HAS LED
TO SEVERE THUNDERSTORM WATCH COVERING PORTIONS OF NORTHWEST AND
WESTERN ZONES. SOUNDINGS THIS EVENING INDICATE STRONG CAP TO THE
SOUTH (CRP) AND NO CAP AT ALL NORTH. LOW LEVEL JET RUNNING AT 40 KTS.
SURFACE DEWPOINTS NOW UP TO NEAR 70 WESTERN ZONES JUST AHEAD OF
SQUALL LINE. UPDATED ZFPHGX TO REFLECT SVR WATCH # 75.

47/42/BT

.HGX....SEVERE THUNDERSTORM WATCH TIL 1 AM CDT FOR
        AUSTIN...BRAZOS...BURLESON...COLORADO...MADISON
        AND WASHINGTON COUNTIES.
        FLASH FLOOD WATCH SE TX NORTH OF I-10 TONIGHT
        SCA GALVESTON AND MATAGORDA BAYS.
        SCA 00 TO 60 NM HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL.

CLL TB 066/082 059/082 055 950
IAH TB 067/081 066/082 059 871
GLS TB 069/078 071/075 068 671

---------------------------------------------------------------------
PREVIOUS DISCUSSION...
THE UPPER LOW WAS LOCATED OVER NM EARLY THIS AFTERNOON WHILE A COUPLE
OF MCS STORMS WERE FIRING AWAY OVER CENTRAL AND WEST TEXAS.  THE CAP
HAS LOOKED HARD TO BEAT SO FAR IN SE TX WHILE THE WARM AIR ADVECTION
OVER THE COASTAL WATERS HAS WON OVER THE PRESSURE GRADIENT...KEEPING
THE WINDS BELOW EXPECTED SPEEDS.  FORECAST PROBLEMS TO CONSIDER
INCLUDE THE IMPACT OF STORMS TONIGHT AND MONDAY PLUS THE SCA
CONDITIONS OVER THE COASTAL WATERS AND BAYS.  TEMPERATURES ARE A
CONCERN BEYOND MONDAY...THEN A RETURN OF POPS BY THURSDAY.  OVERALL
LIKED THE AVN OVER THE ETA.

THE AVN SHEARS THE 500 MB LOW OFF OVER THE SOUTHERN PLAINS MONDAY...
THEN BRINGS THE SURFACE FRONT INTO SE TX MONDAY NIGHT.  PW/S AHEAD
OF THE SYSTEM REACH IN EXCESS OF 1.7 BY 12Z MONDAY.  WITH THE
POTENTIAL FOR AN MCS OR TWO TRAVERSING ACROSS THE FORECAST AREA
TONIGHT AND MONDAY MORNING AND FOR THE RAINFALL POTENTIAL...WILL ISSUE
A FLASH FLOOD WATCH FOR TONIGHT AND MONDAY MORNING.  ACCORDING TO THE
RFC RAINFALL POTENTIAL...THE BEST LOCATION FOR THE WATCH IS ALONG AND
NORTH OF THE I-10 CORRIDOR.  RAINFALL AMOUNTS OF 2 TO 4 INCHES BASIN
WIDE COULD OCCUR BY MIDDAY MONDAY.  A CHANCE OF SEVERE CONTINUES AS
SE TX WILL BE IN THE FAVORABLE REGION LATER TONIGHT.  CANNOT RULE OUT
ISOLATED SHOWERS MONDAY AFTERNOON AS THE SYSTEM DISSIPATES AND MOVES
OVERHEAD. EXPECT THE NEXT SYSTEM TO AFFECT THE AREA THURSDAY THROUGH
EARLY SUNDAY.

SEAS STILL ABOVE SCA CRITERIA OFFSHORE.  EXPECT THE WINDS AND SEAS
OUT 60 NM AND WINDS OVER THE BAYS TO BE ABOVE CRITERIA TONIGHT.
---------------------------------------------------------------------

In the hours before

Special weather statement, Apr 7, 6:52 PM CST, 2 hours 53 minutes before
TXZ176-195>197-210-211-080600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
752 PM CDT SUN APR 7 2002

...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE WESTERN
PORTIONS OF SOUTHEAST TEXAS UNTIL 100 AM CDT...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR THE EXTREME WESTERN PORTION OF SOUTHEAST TEXAS UNTIL 100 AM CDT.
THIS WATCH IS IN EFFECT FOR THE FOLLOWING SOUTHEAST TEXAS COUNTIES...

MADISON...BRAZOS...BURLESON...WASHINGTON...AUSTIN...COLORADO

A SQUALL LINE EXTENDING ACROSS NORTH CENTRAL TEXAS AND THE HILL
COUNTRY WILL CONTINUE TO MOVE TO THE EAST TOWARD SOUTHEAST TEXAS THIS
EVENING. THIS LINE OF STORMS IS EXPECTED TO APPROACH THE WESTERN
PORTION OF SOUTHEAST TEXAS SHORTLY AFTER 1000 PM.

THE MAIN THREAT WITH THIS LINE OF STORMS WILL BE STRONG DAMAGING
WINDS AND LARGE HAIL. ISOLATED TORNADOES WILL ALSO BE POSSIBLE
MAINLY ALONG THE LEADING EDGE OF THE SQUALL LINE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE
POSSIBLE IN AND NEAR THE WATCH AREA. RESIDENTS ACROSS ALL OF SOUTHEAST
TEXAS ARE STRONGLY URGED TO KEEP ABREAST ON THIS SEVERE WEATHER THREAT
THIS EVENING AND DURING THE OVERNIGHT HOURS. LOCATIONS FURTHER TO THE
EAST MAY BE PLACED UNDER SEVERE THUNDERSTORM OR TORNADO WATCHES
AROUND OR SHORTLY AFTER MIDNIGHT TONIGHT.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR ADDITIONAL
UPDATES ON THIS SEVERE WEATHER THREAT.

The radar

The Austin/San Antonio radar (KEWX), 120 km away, was scanning. The volume nearest the first event began at 03:46 UTC.

Open the radar archive at this moment

Event by event

10 thunderstorm wind, 7 hail, 4 flash flood. Local standard time, as filed.

Thunderstorm Wind, Colorado

When
April 7, 9:45 PM CST
Where
Colorado County, Weimar
Property damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
29.700, -96.783

Sheriff reported roof damage to a barn and homes just west of Weimar, and numerous power poles down in Weimar, and other parts of the county with electricity out.

Hail, Colorado

When
April 7, 10:05 PM CST
Where
Colorado County, Columbus
Measured
2.75 in hail
Property damage
$75,000
Reported by
LAW ENFORCEMENT
Coordinates
29.717, -96.550

Thunderstorm Wind, Washington

When
April 7, 10:45 PM CST
Where
Washington County, Brenham
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
30.167, -96.400

Sheriff reported trees down in Brenham.

Thunderstorm Wind, Montgomery

When
April 7, 11:10 PM CST to 11:30 PM CST
Where
Montgomery County, Conroe
Property damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
30.317, -95.450

Sheriff reported trees and power lines down all around Conroe and from the eastern shore of Lake Conroe through Panorama Village to Sunset Ridge 5 miles north of Conroe.

Thunderstorm Wind, Houston

When
April 7, 11:30 PM CST
Where
Houston County, 5 mi NNE of Crockett
Property damage
$40,000
Reported by
LAW ENFORCEMENT
Coordinates
31.383, -95.417

Sheriff reported trees down, a barn roof blown off, and a trailer roof blown off.

Thunderstorm Wind, Galveston

When
April 8, 1:15 AM CST
Where
Galveston County, Friendswood
Property damage
$25,000
Reported by
BROADCAST MEDIA
Coordinates
29.533, -95.417

On FM 518 in Friendswood, wind damage occurred to an auto repair shop, with loss of the sheet metal awning, and power lines were down.

Hail, Matagorda

When
April 8, 6:00 AM CST
Where
Matagorda County, Bay City
Measured
0.75 in hail
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
28.983, -95.950

Sheriff reported 3/4 inch Hail on State Highway 60 North, to the north of Bay City.

Thunderstorm Wind, Matagorda

When
April 8, 6:00 AM CST to 6:20 AM CST
Where
Matagorda County, Bay City
Property damage
$50,000
Reported by
NEWSPAPER
Coordinates
28.983, -95.950

Power poles were knocked down in Bay City with thousands of homes losing electricity, numerous trees were down around the county, and a Chemical plant south of Bay City received minor siding damage.

Thunderstorm Wind, Brazoria

When
April 8, 6:20 AM CST
Where
Brazoria County, Brazoria
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
29.050, -95.583

Sheriff reported large trees knocked down in Brazoria and Sweeney.

Hail, Brazoria

When
April 8, 6:40 AM CST
Where
Brazoria County, Lake Jackson
Measured
0.75 in hail
Property damage
$5,000
Reported by
AMATEUR RADIO
Coordinates
29.050, -95.450

Lake Jackson and Richwood Village received 3/4 inch Hail.

Hail, Brazoria

When
April 8, 6:50 AM CST
Where
Brazoria County, Brazoria
Measured
1 in hail
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
29.050, -95.583

Sheriff reported quarter sized Hail at CR 521 in Brazoria.

Flash Flood, Harris

When
April 8, 7:00 AM CST to 9:00 AM CST
Where
Harris County, Pasadena
Property damage
$20,000
Reported by
EMERGENCY MANAGER
Coordinates
29.857, -95.392 (the zone’s center; the record gives no point)

There was extensive street flooding and road closures in Pasadena, along Red Bluff, along State Highway 225, and at Spencer Highway.

Thunderstorm Wind, Brazoria

When
April 8, 7:05 AM CST
Where
Brazoria County, 20 mi NE of Freeport
Injuries
1 direct, 0 indirect
Property damage
$60,000
Reported by
EMERGENCY MANAGER
Coordinates
29.150, -95.100

In extreme southeast Brazoria county, on the eastern end of Follets Island just before San Luis Pass, several homes received roof damage, two mobile homes were overturned, and there was one serious injury. Reported by Emergency Management.

Hail, Galveston

When
April 8, 7:10 AM CST
Where
Galveston County, San Luis Pass
Measured
1.75 in hail
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
29.067, -95.117

Thunderstorm Wind, Galveston

When
April 8, 7:20 AM CST
Where
Galveston County, Galveston
Property damage
$20,000
Reported by
LAW ENFORCEMENT
Coordinates
29.300, -94.817

There was an extensive number of power lines down along FM 3005 on Galveston Island.

Hail, Galveston

When
April 8, 7:22 AM CST to 7:39 AM CST
Where
Galveston County, Jamaica Beach
Measured
0.75 in hail
Property damage
$5,000
Reported by
METEOROLOGIST(NON NWS)
Coordinates
29.183, -94.967

Flash Flood, Galveston

When
April 8, 7:25 AM CST to 8:30 AM CST
Where
Galveston County, League City
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
29.298, -94.811 (the zone’s center; the record gives no point)

Street flooding was reported in League City and Friendswood.

Flash Flood, Brazoria

When
April 8, 7:30 AM CST to 9:30 AM CST
Where
Brazoria County, Pearland
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
29.168, -95.434 (the zone’s center; the record gives no point)

South Corrigan subdivision in Pearland had impassable roads.

Flash Flood, Harris

When
April 8, 7:30 AM CST to 9:30 AM CST
Where
Harris County, 5 mi SE of Houston Hobby Arpt
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
29.857, -95.392 (the zone’s center; the record gives no point)

Street flooding 2 to 3 feet deep was reported at Dixie Farm Road and Beamer, and around San Jacinto College South located on Beamer.

Thunderstorm Wind, Galveston

When
April 8, 7:30 AM CST
Where
Galveston County, 4 mi NE of San Luis Pass
Property damage
$50,000
Reported by
LAW ENFORCEMENT
Coordinates
29.100, -95.067

Wind damage to homes on the west end of Galveston Island, most extensive at Terramar and Bay Harbor subdivisions, with 4 houses missing up to half their roofs, and a couple dozen homes with missing shingles and blown out windows.

Hail, Galveston

When
April 8, 7:30 AM CST
Where
Galveston County, 4 mi NE of San Luis Pass
Measured
1 in hail
Property damage
$300,000
Reported by
LAW ENFORCEMENT
Coordinates
29.100, -95.067

Police and Emergency Management reported that 200 to 300 homes had received hail damage on the west end of Galveston Island.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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, April 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: 5293277, 5293278, 5293279, 5293280, 5293281, 5293282, 5293283, 5293284, 5293285, 5293286, 5293363, 5293366, 5293364, 5293365, 5293370, 5293371, 5293367, 5293368, 5293369, 5293372, 5293373.