Name: Flash Flood in Texas, September 6, 2001
Start: 2001-09-06T05:30
End: 2001-09-06T06:30
Location: Texas

Where it happened

Every event with a place to put it; 1 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: $5,000
Crop damage: None recorded
Events: 1

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 happened

The episode as NWS EWX wrote it up.

Scattered showers and thunderstorms reformed after midnight and produced generally 1 to 2 inches of rain across the county, with higher amounts in the western portion. The Bandera Police Department reported closing roads near sunrise.

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 Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Sep 6, 2:50 AM CST, 2 hours 40 minutes earlier.

Area forecast discussion, Sep 6, 2:50 AM CST, 2 hours 40 minutes before

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
350 AM CDT THU SEP 6 2001

WEEK AND A HALF OF RAINS OVER AREA MAY BE COMING TO AN END TONIGHT AS
UPPER LOW OVER SOUTHERN IDAHO DIGS RAPIDLY SOUTHEASTWARD INTO
SOUTHERN U.S. PLAINS BY FRIDAY NIGHT.  THIS SHOULD DRY OUT THE
ATMOSPHERIC COLUMN OVER US WITH WEST TO NORTHWEST FLOW ALOFT.  LAST
DISTURBANCE TO EJECT ACROSS AREA TODAY AND TONIGHT WITH MAIN DYNAMICS
OVER EASTERN HALF OF SOUTH CENTRAL TEXAS.  WILL END FLASH FLOOD
WATCH BY EVENING ACROSS AREA...HOWEVER...WATCH AREA COULD BE EXTENDED
THROUGH MIDNIGHT ACROSS THE SOUTHEAST COUNTIES...AS SOME RAINS ARE
EXPECTED TO PERSIST OVER THESE AREAS THIS EVENING.  WELL LET THE
DAY SHIFT DECIDE IF THIS IS NECESSARY.

FRIDAY INTO SATURDAY WELL START OUR DRYING TREND AS WESTERLY FLOW
IS ADVECTED INTO THE AREA AHEAD OF THE UPPER TROUGH. AS THE UPPER
TROUGH MOVES EAST SATURDAY AND SUNDAY A NICE SURFACE HIGH PRESSURE
RIDGE BEGINS ITS BUILD INTO THE AREA...PROVIDING DAYS OF COOL
MORNINGS AND MILD TO WARM AFTERNOONS...WITH A RIDGE OF HIGH PRESSURE
GRADUALLY BUILDING THROUGH THE MIDDLE OF NEXT WEEK.

PRELIMINARY NUMBERS...
AUS 85/72/91/70 5202
DRT 91/72/95/70 1000
SAT 88/72/93/72 5200

.EWX...FLASH FLOOD WATCH ALONG AND EAST OF THE I-35 CORRIDOR TODAY.

02/19

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Bandera

When: September 6, 5:30 AM CST to 6:30 AM CST
Where: Bandera County, Countywide
Property damage: $5,000
Reported by: LAW ENFORCEMENT
Coordinates: 29.747, -99.246 (the zone’s center; the record gives no point)

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 2001 Every state in 2001 This day in weather history Warnings in Texas, September 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: 5266201.