Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 174, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 13, 1997, 12:21 AM CDT for Maverick County, Zavala County, Texas. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 13, 1997, 12:21 AM CDT (05:21 UTC)
- Expired
- Oct 13, 1997, 1:30 AM CDT
- In force
- 69 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Maverick County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 57 km from the middle of the area, began a volume at 05:21 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 00:00Z, 5.4 hours before the alert went out and 100 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
- 2295 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 130523 RRA SVRSAT TXC323-507-130630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1221 AM CDT MON OCT 13 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...MAVERICK COUNTY...ZAVALA COUNTY AT 1225 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHWESTERN ZAVALA COUNTY MOVING TOWARDS THE SOUTHEAST AT 25 MPH. THIS STORM WILL PRODUCE DAMAGING WINDS AND EFFECT THE TOWNS OF EAGLE PASS... EL INDIO...LA PRYOR...BATESVILLE AND CRYSTAL CITY IN THE NEXT HOUR. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORTf TO THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Oct 12, 8:52 PM CDT, 3 hours 29 minutes before
TXZ171>173-183>194-202>209-217>225-228-131100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 852 PM CDT SUN OCT 12 1997 ...FLASH FLOOD WATCH TONIGHT FOR PORTIONS OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... THE CHANCE OF RAIN LINGERS OVER CENTRAL AND SOUTH CENTRAL TEXAS TONIGHT...AHEAD OF AN OCTOBER COOL FRONT OVER WEST TEXAS. AFTER THE COOL FRONT MOVES THROUGH THE AREA AFTER MIDNIGHT AND TOWARD MORNING THE CHANCE OF RAIN WILL DIMINISH. ANY RAIN THAT DEVELOPS FROM SHOWERS AND POSSIBLY A FEW THUNDERSTORMS... MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR LOW LYING AREAS. A SUNNY...BRIGHT AUTUMN DAY IS EXPECTED MONDAY...IN THE WAKE OF THE COOL FRONT...WITH COOL NORTH WINDS. DAYTIME HIGHS ARE FORECAST TO BE IN THE 70S TO NEAR 80. THE MID OCTOBER SUN WILL BRING A RELIEF FROM THE CONTINUOUS STRING OF CLOUDY DAYS THE AREA HAS EXPERIENCED SINCE OCTOBER 6TH. THE RAINFALL RALLY OF EARLY TO MID OCTOBER OF 1997 HAS LEFT 4.68 INCHES FOR AUSTIN FOR THE MONTH...AS OF 5 PM TODAY. COORESPONDING VALUES FOR DEL RIO AND SAN ANTONIO ARE 1.77 INCHES FOR DEL RIO... AND 3.05 INCHES FOR SAN ANTONIO. SUNNY...AUTUMN SKIES ARE EXPECTED TO CONTINUE AND PREVAIL TUESDAY... WITH EARLY MORNING LOWS NEAR 40 OVER THE HILL COUNTRY...NEAR 40 TO 40S OVER SOUTH CENTRAL TEXAS. AFTERNOON HIGHS ARE FORECAST TO BE IN THE 70S. THE DRY WEATHER TREND IS EXPECTED TO LAST INTO THE LATTER PART OF THE WEEK AND POSSIBLY THROUGH NEXT WEEKEND. IN THE MEANTIME...FOR TONIGHT RAINFALL AMOUNTS COULD VARY FROM LESS THAN A TENTH OF AN INCH TO POSSIBLY ONE HALF TO ONE INCH IN ISOLATED AREAS.
Special weather statement, Oct 12, 11:40 PM CDT, 41 minutes before
TXZ171>173-183>194-202>209-217>225-228-131100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1140 PM CDT SUN OCT 12 1997 ...FLASH FLOOD WATCH TONIGHT FOR PORTIONS OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... ...COOLER WEATHER COMING TO THE HILL COUNTRY AND SOUTH CENTRAL TEXAS... RAIN WITH SHOWERS AND THUNDERSTORMS CONTINUE ON A STRONG OCTOBER COLD FRONT LOCATED NEAR DEL RIO TO NORTHWEST OF AUSTIN. BRIEF HEAVY RAINS AND GUSTY WINDS HAVE BEEN OBSERVED ALONG THE FRONT. WINDS GUSTED TO 45 MPH AT LAUGHLIN AFB EAST OF DEL RIO AND 37 MPH AT DEL RIO. ANY RAIN THAT DEVELOPS FROM SHOWERS AND POSSIBLY A FEW THUNDERSTORMS... MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR LOW LYING AREAS ACROSS THE HILL COUNTRY AND PORTIONS OF CENTRAL AND SOUTH CENTRAL TEXAS...THAT HAVE RECEIVED MORE THAN NORMAL RAIN FOR THE PAST WEEK. AS THE COOL FRONT MOVES THROUGH CENTRAL AND SOUTH CENTRAL TEXAS OVERNIGHT TEMPERATURES WILL COOL TO NEAR 50 OVER THE NORTHERN HILL COUNTRY TO 50S AND NEAR 60 OVER SOUTH CENTRAL TEXAS. RAINFALL AMOUNTS OF ONE TENTH TO ONE HALF INCH ARE POSSIBLE...WITH HEAVIER AMOUNTS FORECAST TO NEAR ONE TO ONE AND A HALF INCHES. A SUNNY...BRIGHT AUTUMN DAY IS EXPECTED MONDAY...IN THE WAKE OF THE COOL FRONT...WITH COOL NORTH WINDS OF 15 TO 25 MPH. DAYTIME HIGHS ARE FORECAST TO BE IN THE 70S TO NEAR 80. THE MID OCTOBER SUN WILL BRING A RELIEF FROM THE CONTINUOUS STRING OF CLOUDY DAYS THE AREA HAS EXPERIENCED SINCE OCTOBER 6TH. SUNNY...AUTUMN SKIES ARE EXPECTED TO CONTINUE AND PREVAIL TUESDAY... WITH EARLY MORNING LOWS NEAR 40 OVER THE HILL COUNTRY...NEAR 40 TO 40S OVER SOUTH CENTRAL TEXAS. AFTERNOON HIGHS ARE FORECAST TO BE IN THE 70S. THE DRY WEATHER TREND IS EXPECTED TO LAST INTO THE LATTER PART OF THE WEEK AND POSSIBLY THROUGH NEXT WEEKEND.
Special weather statement, Oct 12, 11:41 PM CDT, 40 minutes before
TXZ171>173-183>194-202>209-217>225-228-131100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1140 PM CDT SUN OCT 12 1997 ...FLASH FLOOD WATCH TONIGHT FOR PORTIONS OF SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY... ...COOLER WEATHER COMING TO THE HILL COUNTRY AND SOUTH CENTRAL TEXAS... RAIN WITH SHOWERS AND THUNDERSTORMS CONTINUE ON A STRONG OCTOBER COLD FRONT LOCATED NEAR DEL RIO TO NORTHWEST OF AUSTIN. BRIEF HEAVY RAINS AND GUSTY WINDS HAVE BEEN OBSERVED ALONG THE FRONT. WINDS GUSTED TO 45 MPH AT LAUGHLIN AFB EAST OF DEL RIO AND 37 MPH AT DEL RIO. ANY RAIN THAT DEVELOPS FROM SHOWERS AND POSSIBLY A FEW THUNDERSTORMS... MAY CAUSE SOME FLOODING AT LOW WATER CROSSINGS OR LOW LYING AREAS ACROSS THE HILL COUNTRY AND PORTIONS OF CENTRAL AND SOUTH CENTRAL TEXAS...THAT HAVE RECEIVED MORE THAN NORMAL RAIN FOR THE PAST WEEK. AS THE COOL FRONT MOVES THROUGH CENTRAL AND SOUTH CENTRAL TEXAS OVERNIGHT TEMPERATURES WILL COOL TO NEAR 50 OVER THE NORTHERN HILL COUNTRY TO 50S AND NEAR 60 OVER SOUTH CENTRAL TEXAS. RAINFALL AMOUNTS OF ONE TENTH TO ONE HALF INCH ARE POSSIBLE...WITH HEAVIER AMOUNTS FORECAST TO NEAR ONE TO ONE AND A HALF INCHES. A SUNNY...BRIGHT AUTUMN DAY IS EXPECTED MONDAY...IN THE WAKE OF THE COOL FRONT...WITH COOL NORTH WINDS OF 15 TO 25 MPH. DAYTIME HIGHS ARE FORECAST TO BE IN THE 70S TO NEAR 80. THE MID OCTOBER SUN WILL BRING A RELIEF FROM THE CONTINUOUS STRING OF CLOUDY DAYS THE AREA HAS EXPERIENCED SINCE OCTOBER 6TH. SUNNY...AUTUMN SKIES ARE EXPECTED TO CONTINUE AND PREVAIL TUESDAY... WITH EARLY MORNING LOWS NEAR 40 OVER THE HILL COUNTRY...NEAR 40 TO 40S OVER SOUTH CENTRAL TEXAS. AFTERNOON HIGHS ARE FORECAST TO BE I(N THE 70S. THE DRY WEATHER TREND IS EXPECTED TO LAST INTO THE LATTER PART OF THE WEEK AND POSSIBLY THROUGH NEXT WEEKEND.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 12:46 AM CDT | Flash Flood Warning | EWX | Caldwell, Guadalupe | 5 hr |
| Oct 13, 12:46 AM CDT | Flash Flood Warning | EWX | Bastrop | 5 hr |
| Oct 13, 1:02 AM CDT | Flash Flood Warning | EWX | Fayette, Lavaca, Lee | 3 hr |
| Oct 13, 1:23 AM CDT | Severe Thunderstorm Warning | EWX | Zavala | 67 min |
| Oct 13, 3:35 AM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Oct 13, 4:08 AM CDT | Flash Flood Warning | EWX | Lavaca | 2 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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.