Texas, 2001

Flash Flooding in Texas, November 15, 2001

November 15, 2001 · NWS EWX · 3 events in 3 counties and zones

Rainfall moved into the southeast sections of South Central Texas during the late afternoon and brought amounts of 3 to 4 inches over the southern parts of DeWitt, Karnes and Lavaca Counties. Flash flooding was short-lived, and generally confined to low-water crossings.

Where it happened

Every event with a place to put it; 3 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
$9,000
Crop damage
None recorded
Events
3

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.

Rainfall moved into the southeast sections of South Central Texas during the late afternoon and brought amounts of 3 to 4 inches over the southern parts of DeWitt, Karnes and Lavaca Counties. Flash flooding was short-lived, and generally confined to low-water crossings. Only minor damage to unimproved roads was reported.

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 Nov 15, 3:05 PM CST, 2 hours 55 minutes earlier.

Area forecast discussion, Nov 15, 3:05 PM CST, 2 hours 55 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
305 PM CST THU NOV 15 2001

UPPER LOW CENTERED NEAR GUADALUPE PEAK TO CONTINUE CHURNING OUT BITS
OF ENERGY ON ITS SOUTH SIDE.  AS THESE VORTICIES COLLIDE WITH THE
MOIST AND UNSTABLE AIR MASS OVER SOUTH CENTRAL TEXAS AND THE HILL
COUNTRY TONIGHT AND FRIDAY...EXPECT MORE LOCALLY HEAVY RAIN EVENTS
ON TOP OF WHAT WEVE ALREADY RECEIVED LAST NIGHT AND TODAY.  A BRIEF
RESPITE NOTED IN RADAR AND SATELLITE DISPLAYS BUT THIS WILL BE SHORT
LIVED AS SATELLITE IMAGERY ALREADY SHOWS A SPEED MAX JETTING ACROSS
THE BIG BEND AND NORTHERN MEXICO TOWARD THE RIO GRANDE WITH
CONVECTION ONCE MORE BLOSSOMING WEST OF THE RIVER IN RESPONSE TO
THIS UPPER-LEVEL FEATURE.

UPPER LOW FORECAST TO MOVE OUT ON SUNDAY WITH SOME MENTION OF PRECIP
REMAINING IN THE EXTENDED FORECAST MUCH OF NEXT WEEK.

WILL CONTINUE THE FLASH FLOOD WATCH THROUGH TONIGHT AND MENTION THE
POSSIBILITY OF SEVERE THUNDERSTORMS IN THE BODY OF THE FORECAST.
TORNADO WATCH TO RUN UNTIL 6 PM CST.

.PRELIMINARY NUMBERS...
AUS 62/72/60/73 9876
DRT 60/72/60/72 7765
SAT 63/72/62/73 9876

.EWX...FLASH FLOOD WATCH TONIGHT ALL OF SOUTH CENTRAL TEXAS AND HILL
COUNTRY.

In the hours before

Local storm report, Nov 15, 3:40 PM CST, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
340 PM CST THU NOV 15 2001

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

312 PM    4 N SAN MARCOS            TX   TORNADO
11/15/01   HAYS                           REPORTED BY LAW
                                          ENFORCEMENT

315 PM    2 S BUDA                  TX   TORNADO
11/15/01   HAYS                           REPORTED BY LAW
                                          ENFORCEMENT

335 PM    4 S AUSTIN BEN WHITE & I35  TX   TORNADO ON GROUND
11/15/01   TRAVIS                          REPORTED BY CITY OF
                                           AUSTIN

WR

The radar

The Austin/San Antonio radar (KEWX), 95 km away, was scanning. The volume nearest the first event began at 00:00 UTC.

Open the radar archive at this moment

Event by event

3 flash flood. Local standard time, as filed.

Flash Flood, De Witt

When
November 15, 6:00 PM CST to 8:00 PM CST
Where
De Witt County, South Portion
Property damage
$3,000
Reported by
LAW ENFORCEMENT
Coordinates
29.082, -97.357 (the zone’s center; the record gives no point)

Flash Flood, Karnes

When
November 15, 6:00 PM CST to 8:00 PM CST
Where
Karnes County, Southeast Portion
Property damage
$3,000
Reported by
LAW ENFORCEMENT
Coordinates
28.906, -97.859 (the zone’s center; the record gives no point)

Flash Flood, Lavaca

When
November 15, 6:00 PM CST to 9:00 PM CST
Where
Lavaca County, Southeast Portion
Property damage
$3,000
Reported by
LAW ENFORCEMENT
Coordinates
29.384, -96.930 (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 2001Every state in 2001This day in weather historyWarnings in Texas, November 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: 5273328, 5273329, 5273330.