Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 14, NWS Austin/San Antonio, TX

February 25, 1998Medina County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Feb 25, 1998, 8:48 PM CST for Medina County, Texas. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Feb 25, 1998, 8:48 PM CST (02:48 UTC)
Expired: Feb 25, 1998, 9:45 PM CST
In force: 57 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 02:47 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.

What was reported inside it

Time	Report	Where	Remark
Feb 25, 9:00 PM CST	Tornado F0	Natalia, TX
Feb 25, 9:07 PM CST	Hail 1.75	Devine, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 25, 8:30 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.8 hours before the alert went out and 168 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1064 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 2006 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

751 
WFUS1 KSAT 260250 RRA
TORSAT
TXC325-260345-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
848 PM CST WED FEB 25 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...MEDINA COUNTY
 
RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTHWEST OF HONDO. THIS
STORM WAS MOVING EAST AT 35 TO 40 MPH.
 
PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE ACTION
TO PROTECT THEIR LIVES.  GO TO THE CENTER ON THE LOWEST FLOOR OF YOUR
BUILDING...COVER YOUR HEAD.  STAY AWAY FROM DOORS AND WINDOWS.  DO
NOT STAY IN MOBILE HOMES OR VEHICLES...GET INTO A STURDY BUILDING.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 25, 6:33 PM CST	Severe Thunderstorm Warning	EWX	Edwards	57 min
Feb 25, 6:59 PM CST	Severe Thunderstorm Warning	EWX	Kinney	61 min
Feb 25, 7:28 PM CST	Severe Thunderstorm Warning	EWX	Real	62 min
Feb 25, 7:37 PM CST	Severe Thunderstorm Warning	EWX	Uvalde	68 min
Feb 25, 7:56 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Kerr	64 min
Feb 25, 7:56 PM CST	Severe Thunderstorm Warning	EWX	Gillespie, Llano	64 min
Feb 25, 8:08 PM CST	Severe Thunderstorm Warning	EWX	Medina	67 min
Feb 25, 8:08 PM CST	Severe Thunderstorm Warning	EWX	Kendall	67 min
Feb 25, 8:26 PM CST	Tornado Warning	EWX	Medina, Uvalde	64 min
Feb 25, 8:39 PM CST	Severe Thunderstorm Warning	EWX	Bexar	66 min
Feb 25, 8:39 PM CST	Severe Thunderstorm Warning	EWX	Blanco, Burnet	66 min
Feb 25, 8:39 PM CST	Severe Thunderstorm Warning	EWX	Frio, Zavala	66 min
Feb 25, 8:52 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	38 min
Feb 25, 9:01 PM CST	Severe Thunderstorm Warning	EWX	Comal	59 min
Feb 25, 9:09 PM CST	Tornado Warning	EWX	Atascosa, Bexar	51 min
Feb 25, 9:11 PM CST	Severe Thunderstorm Warning	EWX	Hays, Travis	64 min
Feb 25, 9:11 PM CST	Severe Thunderstorm Warning	EWX	Williamson	64 min
Feb 25, 9:48 PM CST	Severe Thunderstorm Warning	EWX	Guadalupe	57 min
Feb 25, 10:03 PM CST	Severe Thunderstorm Warning	EWX	Bexar	57 min
Feb 25, 10:36 PM CST	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell	69 min
Feb 25, 11:08 PM CST	Severe Thunderstorm Warning	EWX	Frio	52 min
Feb 25, 11:25 PM CST	Severe Thunderstorm Warning	EWX	Fayette	65 min
Feb 25, 11:31 PM CST	Severe Thunderstorm Warning	EWX	Atascosa	29 min
Feb 25, 11:39 PM CST	Severe Thunderstorm Warning	EWX	Bandera	51 min
Feb 26, 12:41 AM CST	Severe Thunderstorm Warning	EWX	Bexar, Comal	64 min
Feb 26, 12:48 AM CST	Severe Thunderstorm Warning	EWX	Caldwell, Guadalupe, Hays	57 min
Feb 26, 12:56 AM CST	Severe Thunderstorm Warning	EWX	Bastrop	64 min
Feb 26, 1:15 AM CST	Severe Thunderstorm Warning	EWX	Lavaca	45 min
Feb 26, 1:15 AM CST	Severe Thunderstorm Warning	EWX	Lee	45 min
Feb 26, 1:41 AM CST	Severe Thunderstorm Warning	EWX	Atascosa, Bexar	34 min
Feb 26, 1:57 AM CST	Severe Thunderstorm Warning	EWX	Medina	33 min
Feb 26, 2:21 AM CST	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Guadalupe, Wilson	69 min
Feb 26, 2:26 AM CST	Severe Thunderstorm Warning	EWX	Comal	64 min
Feb 26, 2:35 AM CST	Flash Flood Warning	EWX	Fayette, Lavaca	4 hr
Feb 26, 2:44 AM CST	Severe Thunderstorm Warning	EWX	Karnes	61 min
Feb 26, 2:49 AM CST	Severe Thunderstorm Warning	EWX	Caldwell, Gonzales	56 min
Feb 26, 3:31 AM CST	Severe Thunderstorm Warning	EWX	DeWitt, Lavaca	59 min

Nearby

Tornado Warnings in Texas, 1998 Every tornado warning in 1998 Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.