Alert archive / Texas / Red Flag Warnings in 2007
Red Flag Warning 7, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this red flag warning at Mar 4, 2007, 11:49 AM CST for 15 counties in Texas. It took effect at Mar 4, 2007, 12:00 PM CST. 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 counties it named.
The facts
- Issued
- Mar 4, 2007, 11:49 AM CST (17:49 UTC)
- In effect from
- Mar 4, 2007, 12:00 PM CST
- Expired
- Mar 4, 2007, 3:24 PM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Bastrop County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 37 km from the middle of the area, began a volume at 17:54 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
Corpus Christi, TX (KCRP), launched 12:00Z, 5.8 hours before the alert went out and 225 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
- 3037 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- -260 m²/s²
- 0-3 km storm-relative helicity
- -162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KEWX 041749 RFWEWX RED FLAG WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1149 AM CST SUN MAR 4 2007 ...A RED FLAG WARNING IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON FOR EASTERN AREAS OF SOUTH CENTRAL TEXAS... .THE COMBINATION OF VERY LOW RELATIVE HUMIDITIES AND GUSTY NORTHERLY WINDS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH MID AFTERNOON. TXZ173-191>194-205>209-221>225-042200- /O.NEW.KEWX.FW.W.0007.070304T1800Z-070304T2200Z/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-BEXAR-COMAL-GUADALUPE-CALDWELL- FAYETTE-WILSON-KARNES-GONZALES-DE WITT-LAVACA- 1149 AM CST SUN MAR 4 2007 ...RED FLAG WARNING IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. RELATIVE HUMIDITIES WILL CONTINUE IN THE 10 TO 20 PERCENT THIS AFTERNOON. NORTHERLY WINDS OF 10 TO 20 MPH WITH GUSTS TO 25 MPH CAN BE EXPECTED THROUGH THE MID AFTERNOON HOURS. THIS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. WINDS WILL DECREASE BY LATE AFTERNOON ENDING THE CRITICAL FIRE WEATHER THREAT. A RED FLAG WARNING MEANS WEATHER CONDITIONS WILL PROMOTE FIRES THAT ARE DIFFICULT TO CONTROL ACROSS THE WARNED AREA. A RED FLAG WARNING IS COMPLETELY SEPARATE FROM A LOCAL BURN BAN WHICH IS ISSUED BY LOCAL OFFICIALS. $$
1 follow-up statement
000 WWUS84 KEWX 042124 RFWEWX RED FLAG WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 324 PM CST SUN MAR 4 2007 ...RED FLAG WARNING IS CANCELLED... .THE RED FLAG WARNING IS CANCELLED DUE TO WINDS BELOW CRITICAL LEVELS. TXZ173-191>194-205>209-221>225-042230- /O.CAN.KEWX.FW.W.0007.000000T0000Z-070304T2200Z/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-BEXAR-COMAL-GUADALUPE-CALDWELL- FAYETTE-WILSON-KARNES-GONZALES-DE WITT-LAVACA- 324 PM CST SUN MAR 4 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS CANCELLED THE RED FLAG WARNING. SUSTAINED WINDS HAVE FALLEN BELOW THE CRITICAL LEVEL OF 15 MPH. THERE COULD BE SOME ISOLATED GUSTS OF 15 TO 20 MPH THE REMAINDER OF THE AFTERNOON. $$
Nearby
Red Flag Warnings in Texas, 2007Every red flag warning in 2007
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.