Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS San Angelo, TX

March 25, 1997Irion County, Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 25, 1997, 1:46 AM CST for Irion County, Tom Green County, Texas. It was in force for 59 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
Mar 25, 1997, 1:46 AM CST (07:46 UTC)
Expired
Mar 25, 1997, 2:45 AM CST
In force
59 min
Issued by
NWS San Angelo, TX
Area
Whole counties

Counties Irion County, TX, Tom Green County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 24, 10:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 7.8 hours before the alert went out and 155 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-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 1997-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 1997-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
12 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
4059 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSJT 250746 RRA
SVRSJT
TXC235-451-251045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
146 AM CST TUE MAR 25 1997

THE NATIONAL WEATHER SERVICE IN SAN ANGELO TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 AM CST
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 445 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL TEXAS

   ...IRION COUNTY
   ...TOM GREEN COUNTY
 
AT 140 AM CST... A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM NEAR
BARNHART THROUGH MERTZON AND NORTHERN SAN ANGELO TO NEAR MILES... OR
GENERALLY ALONG HIGHWAY 67 IN IRION AND TOM GREEN COUNTIES. AT
140 AM CST... NICKEL SIZE HAIL WAS REPORTED 2 MILES WEST OF
ARDEN. THIS LINE OF THUNDERSTORMS WAS MOVING SLOWLY SOUTHEAST
RESULTING IN EXCESSIVE RAINFALL AMOUNTS OVER NORTHERN PARTS OF IRION
AND TOM GREEN COUNTY.

BY 140 AM CST... ONE HOUR RAINFALL ESTIMATES HAD EXCEEDED 1 INCH
OVER LARGE PORTIONS OF NORTHERN IRION COUNTY AND TOM GREEN COUNTY
WITH LOCALLY HEAVIER RAINFALL TOTALS. THIS AREA OF HEAVY RAINFALL
WILL LIKELY OVERTAKE THE REST OF IRION AND TOM GREEN COUNTIES BY 245
AM RESULTING IN THE POTENTIAL FOR FLASH FLOODING OVER MUCH OF TOM
GREEN AND IRION COUNTIES.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
 
12

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 8:08 PM CSTSevere Thunderstorm WarningSJTMitchell47 min
Mar 24, 9:38 PM CSTSevere Thunderstorm WarningSJTJones62 min
Mar 24, 10:29 PM CSTTornado WarningSJTNolan46 min
Mar 24, 10:42 PM CSTTornado WarningSJTTaylor48 min
Mar 24, 10:46 PM CSTSevere Thunderstorm WarningSJTJones49 min
Mar 24, 11:19 PM CSTSevere Thunderstorm WarningSJTJones, Taylor61 min
Mar 24, 11:20 PM CSTSevere Thunderstorm WarningSJTMitchell50 min
Mar 24, 11:26 PM CSTSevere Thunderstorm WarningSJTShackelford59 min
Mar 24, 11:28 PM CSTTornado WarningSJTCallahan, Taylor62 min
Mar 24, 11:34 PM CSTSevere Thunderstorm WarningSJTNolan66 min
Mar 24, 11:34 PM CSTTornado WarningSJTShackelford46 min
Mar 25, 12:09 AM CSTSevere Thunderstorm WarningSJTSterling, Tom Green61 min
Mar 25, 12:16 AM CSTSevere Thunderstorm WarningSJTIrion64 min
Mar 25, 12:39 AM CSTSevere Thunderstorm WarningSJTCoke61 min
Mar 25, 12:58 AM CSTSevere Thunderstorm WarningSJTCoke, Irion, Tom Green62 min
Mar 25, 1:02 AM CSTTornado WarningSJTTom Green63 min
Mar 25, 1:18 AM CSTSevere Thunderstorm WarningSJTShackelford62 min
Mar 25, 1:27 AM CSTTornado WarningSJTCoke, Runnels63 min
Mar 25, 1:46 AM CSTFlash Flood WarningSJTIrion, Tom Green59 min
Mar 25, 2:10 AM CSTSevere Thunderstorm WarningSJTColeman65 min
Mar 25, 2:31 AM CSTFlash Flood WarningSJTShackelford3 hr
Mar 25, 2:54 AM CSTTornado WarningSJTSchleicher66 min
Mar 25, 3:05 AM CSTSevere Thunderstorm WarningSJTTom Green60 min
Mar 25, 3:29 AM CSTSevere Thunderstorm WarningSJTMcCulloch61 min
Mar 25, 3:41 AM CSTSevere Thunderstorm WarningSJTSan Saba64 min

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.