Flash Flooding and Hail in Texas, May 4, 2000

Name: Flash Flooding and Hail in Texas, May 4, 2000
Start: 2000-05-04T12:10
End: 2000-05-04T18:17
Location: Texas

May 4, 2000 · NWS HGX · 28 events in 11 counties and zones

20 hail, 4 flash flood, 3 thunderstorm wind, 1 funnel cloud, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 5 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: $635,000
Crop damage: None recorded
Events: 28

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.

The radar

The Houston radar (KHGX), 113 km away, was scanning. The volume nearest the first event began at 18:09 UTC.

Open the radar archive at this moment

Event by event

20 hail, 4 flash flood, 3 thunderstorm wind, 1 funnel cloud. Local standard time, as filed.

Hail, Liberty

When: May 4, 12:10 PM CST
Where: Liberty County, Rye Station
Measured: 0.75 in hail
Property damage: $10,000
Reported by: BROADCAST MEDIA
Coordinates: 30.450, -94.767

Flash Flood, San Jacinto

When: May 4, 12:10 PM CST to 5:00 PM CST
Where: San Jacinto County, Shepherd
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.580, -95.167 (the zone’s center; the record gives no point)

Two feet of water on US 59 near Shepherd.

Thunderstorm Wind, Montgomery

When: May 4, 12:45 PM CST
Where: Montgomery County, New Caney
Property damage: $50,000
Reported by: BROADCAST MEDIA
Coordinates: 30.150, -95.200

Trees down on cars along FM 1485.

Hail, Montgomery

When: May 4, 1:24 PM CST
Where: Montgomery County, 3 mi W of Conroe
Measured: 0.75 in hail
Property damage: $10,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.317, -95.500

Dime sized hail on SH 105 west of Conroe with funnel cloud sighted at US 59 and FM 1314.

Hail, Grimes

When: May 4, 1:30 PM CST
Where: Grimes County, Stoneham
Measured: 0.75 in hail
Property damage: $10,000
Reported by: TRAINED SPOTTER
Coordinates: 30.367, -95.883

Hail, Grimes

When: May 4, 2:00 PM CST
Where: Grimes County, Shiro
Measured: 0.75 in hail
Property damage: $10,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.617, -95.900

Hail, Harris

When: May 4, 2:07 PM CST
Where: Harris County, Kingwood
Measured: 0.75 in hail
Property damage: $10,000
Reported by: AMATEUR RADIO
Coordinates: 29.900, -95.317

Hail, Grimes

When: May 4, 2:10 PM CST
Where: Grimes County, Navasota
Measured: 1 in hail
Property damage: $25,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.383, -96.083

Quarter sized hail along SH 6.

Hail, Burleson

When: May 4, 2:10 PM CST
Where: Burleson County, 3 mi E of Caldwell
Measured: 0.88 in hail
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.533, -96.633

Hail, Montgomery

When: May 4, 2:20 PM CST
Where: Montgomery County, The Woodlands
Measured: 1.75 in hail
Property damage: $50,000
Reported by: BROADCAST MEDIA
Coordinates: 30.150, -95.450

Thunderstorm Wind, Burleson

When: May 4, 2:30 PM CST
Where: Burleson County, Caldwell
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.533, -96.683

Trees down and blocking roads.

Hail, Burleson

When: May 4, 2:40 PM CST
Where: Burleson County, 8 mi S of Caldwell
Measured: 0.75 in hail
Property damage: $10,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.417, -96.683

Dime sized hail in Harmony.

Thunderstorm Wind, Harris

When: May 4, 2:45 PM CST
Where: Harris County, Houston
Property damage: $15,000
Reported by: EMERGENCY MANAGER
Coordinates: 29.733, -95.367

Trees down along Wescott inside Loop 610.

Hail, Washington

When: May 4, 2:50 PM CST to 2:58 PM CST
Where: Washington County, Brenham
Measured: 1.75 in hail
Property damage: $50,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.167, -96.400

Golfball sized reported just north of Brenham and in numerous locations in the northern and eastern parts of Washington County.

Hail, Harris

When: May 4, 2:50 PM CST to 2:57 PM CST
Where: Harris County, Spring
Measured: 1.75 in hail
Property damage: $50,000
Reported by: NWS EMPLOYEE(OFF DUTY)
Coordinates: 30.083, -95.417

Golfball sized hail near I-45 and Spring Cypress and in Cy-Fair.

Flash Flood, Grimes

When: May 4, 3:08 PM CST to 6:00 PM CST
Where: Grimes County, Countywide
Property damage: $50,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.544, -95.985 (the zone’s center; the record gives no point)

High water on FM 2988 and SH 6, CR 318 and SH 6, CR 324 2 miles west of SH 6, and on CR 326.

Flash Flood, Washington

When: May 4, 3:10 PM CST to 6:00 PM CST
Where: Washington County, Central Portion
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.215, -96.403 (the zone’s center; the record gives no point)

Old Independence Road closed from Brenham to Independence due to flooding.

Hail, Harris

When: May 4, 3:20 PM CST
Where: Harris County, Kingwood
Measured: 0.75 in hail
Property damage: $15,000
Reported by: AMATEUR RADIO
Coordinates: 29.900, -95.317

Dime sized hail at US 59 and Aldine-Bender.

Hail, Washington

When: May 4, 3:20 PM CST
Where: Washington County, 5 mi SW of Brenham
Measured: 1.75 in hail
Property damage: $25,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.117, -96.467

Golfball sized hail on FM 109.

Flash Flood, Montgomery

When: May 4, 3:30 PM CST to 6:00 PM CST
Where: Montgomery County, Magnolia
Property damage: $50,000
Reported by: AMATEUR RADIO
Coordinates: 30.300, -95.503 (the zone’s center; the record gives no point)

Hail, Waller

When: May 4, 3:30 PM CST
Where: Waller County, 2 mi N of Hempstead
Measured: 1.75 in hail
Property damage: $25,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.133, -96.083

Golfball sized hail near SH 6.

Hail, Harris

When: May 4, 3:30 PM CST
Where: Harris County, Houston
Measured: 0.75 in hail
Property damage: $15,000
Reported by: AMATEUR RADIO
Coordinates: 29.733, -95.367

Dime sized hail at Loop 610 and Homestead.

Hail, Austin

When: May 4, 3:55 PM CST
Where: Austin County, New Ulm
Measured: 1 in hail
Property damage: $15,000
Reported by: LAW ENFORCEMENT
Coordinates: 29.900, -96.483

Funnel Cloud, Harris

When: May 4, 4:00 PM CST
Where: Harris County, Almeda
Reported by: AMATEUR RADIO
Coordinates: 29.857, -95.392 (the zone’s center; the record gives no point)

Funnel cloud near SH 3 and Beltway 8.

Hail, Harris

When: May 4, 4:32 PM CST
Where: Harris County, Baytown
Measured: 0.88 in hail
Property damage: $15,000
Reported by: GENERAL PUBLIC
Coordinates: 29.717, -95.050

Hail, Harris

When: May 4, 4:34 PM CST
Where: Harris County, 5 mi W of Alief
Measured: 0.75 in hail
Property damage: $15,000
Reported by: AMATEUR RADIO
Coordinates: 29.717, -95.683

Dime sized hail at SH 6 and Beechnut.

Hail, Colorado

When: May 4, 4:42 PM CST
Where: Colorado County, Frelsburg
Measured: 1.75 in hail
Property damage: $25,000
Reported by: EMERGENCY MANAGER
Coordinates: 29.867, -96.550

Hail, Walker

When: May 4, 6:17 PM CST
Where: Walker County, Crabbs Prairie
Measured: 1.75 in hail
Property damage: $25,000
Reported by: LAW ENFORCEMENT
Coordinates: 30.750, -95.667

A strong upper level distrubance along with a very warm humid airmass resulted in a squall line which swept across southeast Texas on May 4th. The storms mainly affected the northern half of southeast Texas, moving as far south as Interstate 10 before weakening. Numerous reports of hail up to golfball sized were received, along with a few reports of downed trees. Flash flooding occurred in Grimes and central Washington Counties.

What these are

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.
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.
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

Every storm in Texas in 2000 Every state in 2000 This day in weather history Warnings in Texas, May 2000

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: 5149233, 5149234, 5149235, 5149236, 5149606, 5149238, 5149237, 5149239, 5149240, 5149244, 5149241, 5149242, 5149245, 5149243, 5149246, 5149249, 5149250, 5149247, 5149251, 5149248, 5149252, 5149600, 5149326, 5149601, 5149603, 5149604, 5149602, 5149605.