Texas, 2002

Flash Flood in Texas, December 9, 2002

December 9, 2002 · NWS EWX · 1 event in 1 county or zone

1 flash flood, as filed by the National Weather Service.

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

Open the live radar over this ground

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 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 Dec 9, 4:15 AM CST, 15 minutes earlier.

Area forecast discussion, Dec 9, 4:15 AM CST, 15 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
415 AM CST MON DEC 9 2002

HARD TO SAY EXACTLY WHERE THE COLD FRONT IS...BUT BASED ON WIND
DIRECTION...WIND SPEEDS AND DEW POINT TEMPS...WOULD PLACE IT ACROSS
THE SOUTHERN MOST COUNTIES OF OUR CWA...MAKING SOUTHWARD PROGRESS
INTO CWA CRP. UPPER LOW CURENTLY BETWEEN LBB AND MAF. UPPER JET
MAXIMUM ROUNDING THE BASE OF THE TROUGH WITH LFQ ENHANCING LIFT OVER
THE FRONT. FLASH FLOOD WATCH CURRENTLY IN PLACE LOOKS GOOD BASED ON
LATEST FFG AND BIASED RADAR PRECIP ESTIMATES. WILL CONTINUE WATCH
FOR THE EASTERN HILL COUNTRY UNTIL 9AM AND EXTEND THE WATCH ALONG
AND EAST OF INTERSTATE 35 THROUGH 4PM BASED ON LATEST FFG AND
META/RUC QPF.

WILL RUN WITH PREVIOUS FORECAST THINKING OF PRECIP ON THURSDAY AS AN
UPPER LOW TAKES SHAPE OVER NM AND EJECTS OUT OVER TX...THEN DRY FROM
FRIDAY THROUGH SUNDAY.

11/26/23

PRELIMINARY NUMBERS...
AUS RB 051/039 057/036 059 720
DRT CB 058/039 062/042 062 400
SAT RB 053/042 059/039 061 720

.EWX...FFA THROUGH 9AM FOR THE EASTERN HILL COUNTRY AND THROUGH 4PM
FOR EASTERN PORTIONS OF SOUTH CENTRAL TEXAS
Hazardous weather outlook, Dec 8, 6:10 PM CST, 10 hours 20 minutes before
TXZ171>173-183>194-202>209-217>225-228-091200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
610 PM CST SUN DEC 8 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TONIGHT
AREAS OF RAIN...SHOWERS AND THUNDERSTORMS EXPECTED
TONIGHT.  RAIN WILL POSSIBLY BE HEAVY AT TIMES.
SOME FLASH FLOODING IS POSSIBLE OVER THE EASTERN
HALF OF SOUTH CENTRAL TEXAS...WHERE A FLASH FLOOD
WATCH IS IN EFFECT TONIGHT.  IN ADDITION...AS THUNDERSTORMS FORM
LATE TONIGHT AND TOWARD MORNING...SOME HAIL IS POSSIBLE...
AS SHOWERS AND THUNDERSTORMS MOVE ACROSS SOUTH CENTRAL TEXAS.

.DAYS TWO THROUGH SEVEN...
SHOWERS AND THUNDERSTORMS MONDAY MORNING...WITH LOCALLY HEAVY RAIN.
THE CHANCE OF RAIN WILL BEGIN TO DECREASE FROM THE WEST IN THE
AFTERNOON MONDAY AND CONTINUE THROUGH MONDAY EVENING.   DRY WEATHER
IS EXPECTED TUESDAY.  A SLIGHT CHANCE OF RAIN IS EXPECTED
WEDNESDAY NIGHT AND THURSDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

The radar

The Austin/San Antonio radar (KEWX), 55 km away, was scanning. The volume nearest the first event began at 10:32 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Bexar

When
December 9, 4:30 AM CST to 5:30 AM CST
Where
Bexar County, Northeast Portion
Property damage
$5,000
Reported by
BROADCAST MEDIA
Coordinates
29.449, -98.520 (the zone’s center; the record gives no point)

Up to 2 inches of rain fell over the northeast part of Bexar County in just under two hours. Soils across the area had remained completely saturated from rainfall since November and flash flooded developed immediately. Minor damage was reported to city and county roads.

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 2002Every state in 2002This day in weather historyWarnings in Texas, December 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: 5325970.