Alert archive / Texas / Red Flag Warnings in 2025
Red Flag Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Mar 7, 2025, 1:35 PM CST for 25 counties in Texas. It took effect at Mar 8, 2025, 12:00 PM CST. 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
- Mar 7, 2025, 1:35 PM CST (19:35 UTC)
- In effect from
- Mar 8, 2025, 12:00 PM CST
- Expired
- Mar 8, 2025, 8:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Austin/San Antonio, TX
All 25 counties
Atascosa County, TX, Bandera County, TX, Bexar County, TX, Blanco County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 93 km from the middle of the area, began a volume at 19:40 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, 7.6 hours before the alert went out and 183 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
897 WWUS84 KEWX 071935 RFWEWX URGENT - FIRE WEATHER MESSAGE National Weather Service Austin/San Antonio TX 135 PM CST Fri Mar 7 2025 ...BREEZY AND DRY BEHIND A COLD FRONT SATURDAY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS... .A cold front will move through South-Central Texas from west to east Saturday between midnight and noon. This boundary will bring much drier air and breezy northwesterly winds. Relative humidity will drop below 20% from the western Hill Country, southern I-35 Corridor, and western Coastal Plains to the Rio Grande. Winds will be 15-25 mph with higher gusts up to 35 mph during the afternoon and early evening. This will result in the likelihood of critical fire weather conditions. TXZ183>191-202>208-217>224-228-081100- /O.UPG.KEWX.FW.A.0002.250308T1800Z-250309T0200Z/ /O.NEW.KEWX.FW.W.0002.250308T1800Z-250309T0200Z/ Val Verde-Edwards-Real-Kerr-Bandera-Gillespie-Kendall-Blanco-Hays- Kinney-Uvalde-Medina-Bexar-Comal-Guadalupe-Caldwell-Maverick- Zavala-Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Dimmit- 135 PM CST Fri Mar 7 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM CST SATURDAY FOR CRITICAL FIRE WEATHER CONDITIONS FOR WESTERN TWO THIRDS OF SOUTH CENTRAL TEXAS... The National Weather Service in Austin/San Antonio has issued a Red Flag Warning for critical fire weather conditions, which is in effect from noon to 8 PM CST Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREAS...Western two thirds of South Central Texas * TIMING...From noon to 8 PM CST Saturday. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...10-20 percent. * IMPACTS...Any fires that develop may rapidly increase in size and intensity, move quickly, and be very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
1 follow-up statement
922 WWUS84 KEWX 080827 RFWEWX URGENT - FIRE WEATHER MESSAGE National Weather Service Austin/San Antonio TX 227 AM CST Sat Mar 8 2025 ...BREEZY AND DRY BEHIND A COLD FRONT SATURDAY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS... .A cold front will move through South-Central Texas from west to east today between now and mid-afternoon. This boundary will bring much drier air and breezy northwesterly winds. Relative humidity will drop below 20% from the western Hill Country, southern I- 35 Corridor, and western Coastal Plains to the Rio Grande. Winds will be 15-25 mph with higher gusts up to 30 mph during the afternoon and early evening. This will result in the likelihood of critical fire weather conditions. TXZ183>191-202>208-217>224-228-090200- /O.CON.KEWX.FW.W.0002.250308T1800Z-250309T0200Z/ Val Verde-Edwards-Real-Kerr-Bandera-Gillespie-Kendall-Blanco-Hays- Kinney-Uvalde-Medina-Bexar-Comal-Guadalupe-Caldwell-Maverick- Zavala-Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Dimmit- 227 AM CST Sat Mar 8 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CST THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS FOR WESTERN TWO THIRDS OF SOUTH CENTRAL TEXAS... * AFFECTED AREAS...Western two thirds of South Central Texas * TIMING...From noon today to 8 PM CST this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Any fires that develop may rapidly increase in size and intensity, move quickly, and be very difficult to control. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 2:57 AM CST | Fire Weather Watch | EWX | Atascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 19 more | 11 hr |
Nearby
Red Flag Warnings in Texas, 2025Every red flag warning in 2025
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.