Alert archive / Texas / Red Flag Warnings in 2024
Red Flag Warning 10, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Apr 9, 2024, 1:40 PM CDT for 8 counties in Texas. It took effect at Apr 9, 2024, 2:00 PM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 9, 2024, 1:40 PM CDT (18:40 UTC)
- In effect from
- Apr 9, 2024, 2:00 PM CDT
- Expired
- Apr 9, 2024, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Dimmit County, TX, Edwards County, TX, Kinney County, TX, Maverick County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 12 km from the middle of the area, began a volume at 18:40 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
Del Rio, TX (KDRT), launched 12:00Z, 6.7 hours before the alert went out and 66 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
- 2828 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.1
What forecasters said that day
The local office's own words before this red flag warning went out, 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 this red flag warning went out at Apr 9, 1:19 PM CDT, 21 minutes earlier.
Area forecast discussion, Apr 9, 1:19 PM CDT, 21 minutes before
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</html>Hazardous weather outlook, Apr 9, 3:13 AM CDT, 10 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Austin/San Antonio TX 313 AM CDT Tue Apr 9 2024 TXZ171>173-183>194-202>209-217>225-228-100815- Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde- Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala- Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit- 313 AM CDT Tue Apr 9 2024 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. Rounds of scattered strong to severe storms will be possible today and tonight across central and eastern half of South-Central Texas. All modes of severe weather are possible, including a risk of isolated tornadoes. However, large to very large hail will remain the greatest hazard. Locally heavy rainfall with stronger or training thunderstorms could lead to isolated flooding as well. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Strong northwesterly winds following in the wake of a cold front on Wednesday could lead to gusts up to 40 mph and a possible Wind Advisory across portions of South-Central Texas. Critical fire weather conditions could develop Wednesday afternoon as well out west due to the combination of strong northwesterly winds and low humidity pending area rainfall. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to utilize social media outlets to report severe weather.
In the hours before
Special weather statement, Apr 9, 7:57 AM CDT, 5 hours 43 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
757 AM CDT Tue Apr 9 2024
TXZ173-192-091345-
Williamson TX-Travis TX-
757 AM CDT Tue Apr 9 2024
...A strong thunderstorm will impact portions of central Williamson
and eastern Travis Counties through 845 AM CDT...
At 757 AM CDT, Doppler radar was tracking a strong thunderstorm over
Austin, moving northeast at 45 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Austin, Round Rock, Cedar Park, Georgetown, Pflugerville, Taylor,
Elgin, Granger, Austin Bergstrom Int Airport, Serenada, Windemere,
Hutto, Manor, West Lake Hills, Rollingwood, Jarrell, Thrall, Weir,
Granger Dam, and Coupland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3069 9725 3054 9719 3041 9735 3042 9737
3036 9741 3011 9770 3023 9786 3087 9766
TIME...MOT...LOC 1257Z 208DEG 38KT 3027 9772
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
CPSpecial weather statement, Apr 9, 7:59 AM CDT, 5 hours 41 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
759 AM CDT Tue Apr 9 2024
TXZ173-193-194-091345-
Williamson TX-Bastrop TX-Lee TX-
759 AM CDT Tue Apr 9 2024
...A strong thunderstorm will impact portions of southeastern
Williamson, northeastern Bastrop and northern Lee Counties through
845 AM CDT...
At 759 AM CDT, Doppler radar was tracking a strong thunderstorm near
Elgin, moving northeast at 45 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Elgin, Lexington, Thorndale, Dime Box, Fedor, Tanglewood, Camp Swift,
Knobb Springs, Blue, Old Dime Box, McDade, Cedar Hills, Leo, Butler,
and Lincoln.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3021 9729 3031 9743 3062 9722 3046 9715
3056 9696 3054 9692 3049 9690 3046 9690
3046 9688 3043 9687 3043 9685 3039 9679
3034 9676
TIME...MOT...LOC 1259Z 224DEG 37KT 3033 9727
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
CPSpecial weather statement, Apr 9, 8:47 AM CDT, 4 hours 53 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
847 AM CDT Tue Apr 9 2024
TXZ173-091415-
Williamson TX-
847 AM CDT Tue Apr 9 2024
...Strong thunderstorms will impact portions of central Williamson
County through 915 AM CDT...
At 846 AM CDT, Doppler radar was tracking strong thunderstorms near
Jarrell and near Hutto. Movement was north at 50 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Georgetown, Taylor, Granger, Hutto, Bartlett, Jarrell, Weir, Granger
Dam, Theon, Laneport, Hoxie, Waterloo, Hare, Walburg, Schwertner,
Jonah, and Sandoval.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3074 9727 3066 9724 3049 9755 3065 9767
3086 9760
TIME...MOT...LOC 1346Z 201DEG 43KT 3075 9757 3059 9755
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
CPSpecial weather statement, Apr 9, 9:09 AM CDT, 4 hours 31 minutes before
Special Weather Statement National Weather Service Austin/San Antonio TX 909 AM CDT Tue Apr 9 2024 TXZ172-091445- Burnet TX- 909 AM CDT Tue Apr 9 2024 ...A strong thunderstorm will impact portions of north central Burnet County through 945 AM CDT... At 908 AM CDT, Doppler radar was tracking a strong thunderstorm over Sunnylane, or 10 miles south of Lampasas, moving north at 30 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Lake Victor, Sunnylane, and Watson. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 3083 9808 3089 9828 3103 9828 3103 9791 TIME...MOT...LOC 1408Z 199DEG 25KT 3092 9816 MAX HAIL SIZE...0.75 IN MAX WIND GUST...<30 MPH CP
Special weather statement, Apr 9, 9:23 AM CDT, 4 hours 17 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
923 AM CDT Tue Apr 9 2024
TXZ171-172-091515-
Llano TX-Burnet TX-
923 AM CDT Tue Apr 9 2024
...A strong thunderstorm will impact portions of eastern Llano and
western Burnet Counties through 1015 AM CDT...
At 922 AM CDT, Doppler radar was tracking a strong thunderstorm over
Kingsland, moving north at 30 mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Burnet, Kingsland, Llano, Buchanan Dam, Gainesville, Granite Shoals,
Horseshoe Bay, Buchanan Lake Village, Highland Haven, Inks Lake State
Park, Lone Grove, Bluffton, Lake Victor, Baby Head, Stolz, Sunnylane,
Longhorn Cavern State Park, Tow, Cottonwood Shores, and Sunrise Beach
Village.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3051 9836 3053 9869 3092 9870 3092 9842
3094 9841 3095 9845 3096 9845 3098 9844
3103 9806
TIME...MOT...LOC 1422Z 199DEG 25KT 3062 9846
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
CPSpecial weather statement, Apr 9, 10:43 AM CDT, 2 hours 57 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
1043 AM CDT Tue Apr 9 2024
TXZ172-173-091630-
Williamson TX-Burnet TX-
1043 AM CDT Tue Apr 9 2024
...A strong thunderstorm will impact portions of northwestern
Williamson and northeastern Burnet Counties through 1130 AM CDT...
At 1042 AM CDT, Doppler radar was tracking a strong thunderstorm over
Mahomet, or 8 miles northeast of Bertram, moving northeast at 25 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Georgetown, Bertram, Serenada, Liberty Hill, Jarrell, Florence,
Watson, Briggs, Sun City, Mahomet, Sunnylane, Joppa, Andice, Shady
Grove, Theon, and Walburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Tornado Watch remains in effect until 500 PM CDT for south central
Texas.
&&
LAT...LON 3091 9783 3088 9766 3075 9747 3067 9793
3081 9817 3103 9811 3103 9791
TIME...MOT...LOC 1542Z 224DEG 20KT 3081 9795
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:45 AM CDT | Special Weather Statement | EWX | DeWitt, Lavaca | 45 min |
| Apr 9, 7:57 AM CDT | Special Weather Statement | EWX | Travis, Williamson | 48 min |
| Apr 9, 7:59 AM CDT | Special Weather Statement | EWX | Lee | 46 min |
| Apr 9, 8:47 AM CDT | Special Weather Statement | EWX | Williamson | 28 min |
| Apr 9, 9:09 AM CDT | Special Weather Statement | EWX | Burnet | 36 min |
| Apr 9, 9:23 AM CDT | Special Weather Statement | EWX | Burnet, Llano | 52 min |
| Apr 9, 9:50 AM CDT | Severe Thunderstorm Warning | EWX | Burnet | 55 min |
| Apr 9, 9:59 AM CDT | Tornado Warning | EWX | Burnet, Williamson | 31 min |
| Apr 9, 10:16 AM CDT | Areal Flood Advisory | EWX | Burnet, Llano | 3 hr |
| Apr 9, 10:43 AM CDT | Special Weather Statement | EWX | Williamson | 47 min |
| Apr 9, 10:54 AM CDT | Areal Flood Advisory | EWX | Burnet, Williamson | 3 hr |
| Apr 9, 3:47 PM CDT | Special Weather Statement | EWX | Travis | 43 min |
| Apr 9, 4:09 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 66 min |
| Apr 9, 4:49 PM CDT | Areal Flood Advisory | EWX | Travis | 3 hr |
| Apr 9, 4:52 PM CDT | Special Weather Statement | EWX | Travis | 38 min |
| Apr 9, 4:55 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Travis, Williamson | 65 min |
| Apr 9, 5:22 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 53 min |
| Apr 9, 5:59 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee, Travis, Williamson | 48 min |
| Apr 9, 6:05 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 55 min |
| Apr 9, 6:13 PM CDT | Special Weather Statement | EWX | Travis | 47 min |
| Apr 9, 6:17 PM CDT | Special Weather Statement | EWX | Llano | 43 min |
| Apr 9, 6:22 PM CDT | Special Weather Statement | EWX | Burnet | 38 min |
| Apr 9, 6:36 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 54 min |
| Apr 9, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 61 min |
Nearby
Red Flag Warnings in Texas, 2024Every red flag warning in 2024
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.