Texas, 1997

Flash Flooding in Texas, December 20 to 21, 1997

December 20 to 21, 1997 · NWS HGX · 4 events in 4 counties and zones

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

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The toll

Deaths
0
Injuries
0
Property damage
$33,000
Crop damage
None recorded
Events
4

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), 52 km away, was scanning. The volume nearest the first event began at 01:14 UTC.

Open the radar archive at this moment

Event by event

4 flash flood. Local standard time, as filed.

Flash Flood, Harris

When
December 20, 7:16 PM CST to 10:00 PM CST
Where
Harris County, Countywide
Property damage
$20,000
Coordinates
29.857, -95.392 (the zone’s center; the record gives no point)

Street flooding in Humble. Magnolia Bar & Grill (SW Houston) roof collapsed due to heavy rain.

Flash Flood, Liberty

When
December 20, 8:45 PM CST to December 21, 2:00 AM CST
Where
Liberty County, Countywide
Property damage
$5,000
Coordinates
30.152, -94.812 (the zone’s center; the record gives no point)

Widespread street flooding.

Flash Flood, Montgomery

When
December 20, 10:45 PM CST
Where
Montgomery County, Countywide
Property damage
$5,000
Coordinates
30.300, -95.503 (the zone’s center; the record gives no point)

Widespread street flooding, especially Roman Forest Rd & HWY 59.

Flash Flood, San Jacinto

When
December 20, 10:52 PM CST to 11:50 PM CST
Where
San Jacinto County, Shepherd
Property damage
$3,000
Coordinates
30.580, -95.167 (the zone’s center; the record gives no point)

High water on Loop 424.

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 1997Every state in 1997This day in weather historyWarnings in Texas, December 1997

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: 5620563, 5620564, 5620565, 5620566.