Texas, 2002Flash Flooding in Texas, September 9, 2002
September 9, 2002 · NWS EWX · 6 events in 6 counties and zones
In the early morning hours of Monday, September 9, as the remnants of Fay moved into northern Webb County, showers reformed over central areas of South Central Texas and spread southeastward. Rainfall of only 1 to 2 inches, with isolated totals to near 3 inches was enough to redevelop brief flash flooding in the morning from San Antonio eastward to Gonzales and southeast to Karnes City.
Every event with a place to put it; 6 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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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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.
In the early morning hours of Monday, September 9, as the remnants of Fay moved into northern Webb County, showers reformed over central areas of South Central Texas and spread southeastward. Rainfall of only 1 to 2 inches, with isolated totals to near 3 inches was enough to redevelop brief flash flooding in the morning from San Antonio eastward to Gonzales and southeast to Karnes City. The flash flooding ended by early afternoon.
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 9, 3:30 AM CST, 3 hours 30 minutes earlier.
Area forecast discussion, Sep 9, 3:30 AM CST, 3 hours 30 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
430 AM CDT MON SEP 9 2002
CENTER OF WHAT WAS TROPICAL STORM FAY NOW IN LA SALLE COUNTY AND
WILL CONTINUE DRIFTING SLOWLY SOUTHWEST. ANOTHER DAY OF DEVELOPING
CONVECTION WITH DAYTIME HEATING AROUND THE CENTER WILL ENCOMPASS
MUCH OF SOUTH CENTRAL TEXAS EXCEPT EXTREME WESTERN PORTIONS. WILL
CONTINUE A FLASH FLOOD WATCH THROUGH 6 PM TODAY FOR ALL OF THE AREA
EXCEPT VAL VERDE AND EDWARDS COUNTIES.
CENTER SHOULD MOVE INTO MEXICO BY TUESDAY WITH PRECIPITATION
TAPERING OFF OVER ALL BUT RIO GRANDE VALLEY BY TUESDAY.
BY MID WEEK A SHALLOW FRONT AND ASSOCIATED WEAK UPPER DISTURBANCE
MOVE ACROSS (WEDNESDAY) WITH MORE STABLE LOW LEVEL CONDITIONS.
REST OF WEEK SHOWS A GRADUAL WESTERLY FLOW ALOFT WITH INCREASINGLY
ZONAL FLOW ALOFT...THIS WILL PUT A CAP ON ACTVITY FROM FORMING
FRIDAY AND SATURDAY WITH A SLIGHT CHANCE SUNDAY AS A WEAK UPPER
DISTURBANCE MOVES SOUTH.
.EWX...FLASH FLOOD WATCH THROUGH 6 PM MONDAY FOR ALL EXCEPT EDWARDS
AND VAL VERDE COUNTIES.
02/06/DC
PRELIMS...
AUS TB 084/073 092/069 088 732
DRT TT 091/073 087/072 086 474
SAT TB 081/072 090/070 087 952
In the hours before
Local storm report, Sep 9, 2:17 AM CST, 4 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
317 AM CDT MON SEP 9 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0254 AM LYTLE TX FLASH FLOODS
09/09/02 ATASCOSA FM 2790 TO LYTLE ON THE
BEXAR/ATASCOSA COUNTY LINE
CLOSED
REPORTED BY
LAW ENFORCEMENT
0254 AM LYTLE TX FLASH FLOODS
09/09/02 ATASCOSA GRANDSBERG ROAD CLOSED
REPORTED BY
LAW ENFORCEMENT
0254 AM CHARLOTTE TX FLASH FLOODS
09/09/02 ATASCOSA STATE HWY 85 AT HWY 97 TO
DILLEY CLOSED
REPORTED BY
LAW ENFORCEMENT
0254 AM CHARLOTTE TX FLASH FLOODS
09/09/02 ATASCOSA STATE HWY 85 AT FM 140 TO
PEARSALL CLOSED
REPORTED BY
LAW ENFORCEMENT
DCLocal storm report, Sep 9, 5:25 AM CST, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
625 AM CDT MON SEP 9 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0615 AM DILLEY TX FLASH FLOODS
09/09/02 FRIO STATE HWY 85 EAST AND WEST
CLOSED
REPORTED BY LAW
ENFORCEMENT
0615 AM DILLEY TX FLASH FLOODS
09/09/02 FRIO FM 117 EAST AND WEST
CLOSED
REPORTED BY LAW
ENFORCEMENT
0615 AM DIVOT TX FLASH FLOODS
09/09/02 FRIO FM 1581 CLOSED
REPORTED BY
LAW ENFORCEMENT
0615 AM PEARSALL TX FLASH FLOODS
09/09/02 FRIO FM 140 EAST AND WEST
CLOSED
REPORTED BY LAW
ENFORCEMENT
DCFlash Flood, Bexar
- When
- September 9, 7:00 AM CST to 1:00 PM CST
- Where
- Bexar County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.449, -98.520 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 2 inch totals. No damage was indicated.
Flash Flood, Karnes
- When
- September 9, 8:30 AM CST to 10:00 AM CST
- Where
- Karnes County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.906, -97.859 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 3 inch totals. No damage was reported.
Flash Flood, Wilson
- When
- September 9, 8:30 AM CST to 12:00 PM CST
- Where
- Wilson County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.174, -98.087 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 3 inch totals. Little or no damage was indicated.
Flash Flood, Comal
- When
- September 9, 11:30 AM CST to 1:00 PM CST
- Where
- Comal County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.808, -98.278 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 3 inch totals. Little or no damage was indicated.
Flash Flood, Gonzales
- When
- September 9, 11:30 AM CST to 1:00 PM CST
- Where
- Gonzales County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.457, -97.492 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 3 inch totals. No damage was reported.
Flash Flood, Guadalupe
- When
- September 9, 11:30 AM CST to 1:00 PM CST
- Where
- Guadalupe County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.583, -97.949 (the zone’s center; the record gives no point)
General 1 inch rainfall with isolated 3 inch totals. Little or no damage was indicated.
- 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.
- Tornado in Minnesota, September 9, 2002$1.4 million · F1 · 1 event
- Flash Flooding in Texas, September 9, 20024 events
- Flash Flooding in Texas, September 9, 20024 events
- Extreme Cold in Oregon, September 9 to 10, 20023 events
- Flash Flooding in Texas, September 9 to 10, 20023 events
- Flash Flooding and Flood in Texas, September 9 to 10, 20023 events
- Hail in Wisconsin, September 9, 20020.75 in hail · 2 events
- Extreme Cold in California, September 9 to 10, 20022 events
- Flood in Texas, September 9 to 12, 20021 event
- Flood in Texas, September 9 to 10, 20021 event
- Waterspout in South Atlantic Coastal Waters, September 9, 20021 event
- Funnel Cloud in Florida, September 9, 20021 event
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: 5320750, 5320751, 5320752, 5320753, 5320754, 5320755.