Alert archive / Texas / Flash Flood Warnings in 2026
Flash Flood Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 10, 2026, 11:16 PM CDT for Lee County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 10, 2026, 11:16 PM CDT (04:16 UTC)
- Expired
- May 11, 2026, 2:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Lee County, TX
The radar
The Ft Hood radar (KGRK), 79 km from the middle of the area, began a volume at 04:14 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 4.3 hours before the alert went out and 289 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 199 J/kg
- Mixed-layer CIN
- -297 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
964
WGUS54 KEWX 110416
FFWEWX
TXC287-110715-
/O.NEW.KEWX.FF.W.0013.260511T0416Z-260511T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
1116 PM CDT Sun May 10 2026
The National Weather Service in Austin/San Antonio has issued a
* Flash Flood Warning for...
East Central Lee County in south central Texas...
* Until 215 AM CDT.
* At 1116 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4.5 inches of
rain has fallen. The expected rainfall rate is 2 to 3 inches in 1
hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Lake Somerville State Park & Trailway and Loebau.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3027 9692 3034 9675 3033 9675 3032 9674
3032 9673 3032 9672 3032 9669 3030 9666
3030 9665 3030 9664 3029 9666 3028 9666
3026 9668 3025 9669 3025 9671 3025 9672
3024 9673 3023 9674 3021 9674 3021 9693
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
$$
CM2 follow-up statements
040
WGUS74 KEWX 110549
FFSEWX
Flash Flood Statement
National Weather Service Austin/San Antonio TX
1249 AM CDT Mon May 11 2026
TXC287-110715-
/O.CON.KEWX.FF.W.0013.000000T0000Z-260511T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee TX-
1249 AM CDT Mon May 11 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT EARLY THIS
MORNING FOR EAST CENTRAL LEE COUNTY...
At 1249 AM CDT, Doppler radar indicated earlier thunderstorms
producing heavy rain across the warned area. Between 4 and 5 inches
of rain have fallen near the Lake Somerville State Park. The
expected rainfall rate is 0.5 inches in 1 hour. Additional rainfall
amounts up to 1 inch are possible in the warned area. Flash flooding
is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Lake Somerville State Park & Trailway and Loebau.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3027 9692 3034 9675 3033 9675 3032 9674
3032 9673 3032 9672 3032 9669 3030 9666
3030 9665 3030 9664 3029 9666 3028 9666
3026 9668 3025 9669 3025 9671 3025 9672
3024 9673 3023 9674 3021 9674 3021 9693
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.5 INCHES IN 1 HOUR
$$
CM899
WGUS74 KEWX 110710
FFSEWX
Flash Flood Statement
National Weather Service Austin/San Antonio TX
210 AM CDT Mon May 11 2026
TXC287-110720-
/O.EXP.KEWX.FF.W.0013.000000T0000Z-260511T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee TX-
210 AM CDT Mon May 11 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 215 AM CDT EARLY THIS MORNING
FOR EAST CENTRAL LEE COUNTY...
The heavy rain has ended. Please continue to heed remaining road
closures.
&&
LAT...LON 3027 9692 3034 9675 3033 9675 3032 9674
3032 9673 3032 9672 3032 9669 3030 9666
3030 9665 3030 9664 3029 9666 3028 9666
3026 9668 3025 9669 3025 9671 3025 9672
3024 9673 3023 9674 3021 9674 3021 9693
$$
CMThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:28 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano | 62 min |
| May 10, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Real, Uvalde | 60 min |
| May 10, 8:01 PM CDT | Special Weather Statement | EWX | Gillespie, Kerr, Real | 44 min |
| May 10, 8:04 PM CDT | Special Weather Statement | EWX | Bastrop | 41 min |
| May 10, 8:28 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 62 min |
| May 10, 8:43 PM CDT | Special Weather Statement | EWX | Blanco, Gillespie, Kendall, Kerr | 47 min |
| May 10, 8:49 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 42 min |
| May 10, 8:50 PM CDT | Areal Flood Advisory | EWX | Burnet, Llano | 3 hr |
| May 10, 8:53 PM CDT | Special Weather Statement | EWX | Bandera, Real, Uvalde | 52 min |
| May 10, 8:55 PM CDT | Special Weather Statement | EWX | Lee | 50 min |
| May 10, 9:02 PM CDT | Special Weather Statement | EWX | Williamson | 43 min |
| May 10, 9:17 PM CDT | Areal Flood Advisory | EWX | Burnet, Travis, Williamson | 3 hr |
| May 10, 9:28 PM CDT | Special Weather Statement | EWX | Hays, Travis, Williamson | 47 min |
| May 10, 9:37 PM CDT | Special Weather Statement | EWX | Lee | 53 min |
| May 10, 9:44 PM CDT | Special Weather Statement | EWX | Bandera, Bexar, Comal, Frio, Kendall, Medina and 2 more | 46 min |
| May 10, 9:48 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee, Travis, Williamson | 57 min |
| May 10, 10:04 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Guadalupe, Hays, Travis | 56 min |
| May 10, 10:05 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Frio, Medina | 55 min |
| May 10, 10:07 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Zavala | 53 min |
| May 10, 10:11 PM CDT | Areal Flood Advisory | EWX | Lee | 3 hr |
| May 10, 10:16 PM CDT | Areal Flood Advisory | EWX | Hays, Travis | 3 hr |
| May 10, 10:16 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Medina | 44 min |
| May 10, 10:23 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee | 52 min |
| May 10, 10:25 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Zavala | 35 min |
| May 10, 10:29 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick | 61 min |
| May 10, 10:38 PM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| May 10, 10:50 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 55 min |
| May 10, 10:54 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Dimmit, Frio, Karnes, Medina and 2 more | 66 min |
| May 10, 11:07 PM CDT | Special Weather Statement | EWX | DeWitt, Gonzales, Guadalupe, Lavaca | 53 min |
| May 10, 11:27 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick | 63 min |
| May 10, 11:54 PM CDT | Special Weather Statement | EWX | Karnes | 51 min |
| May 10, 11:57 PM CDT | Special Weather Statement | EWX | Dimmit | 48 min |
| May 10, 11:59 PM CDT | Special Weather Statement | EWX | DeWitt, Lavaca | 46 min |
| May 11, 12:06 AM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick | 3 hr |
| May 11, 12:25 AM CDT | Areal Flood Advisory | EWX | Maverick | 3 hr |
| May 11, 12:27 AM CDT | Special Weather Statement | EWX | Maverick | 48 min |
Nearby
Flash Flood Warnings in Texas, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.