Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 40, NWS San Angelo, TX

April 26, 1998Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 26, 1998, 3:18 PM CDT for Taylor County, Texas. It was in force for 47 min. 4 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
Apr 26, 1998, 3:18 PM CDT (20:18 UTC)
Expired
Apr 26, 1998, 4:05 PM CDT
In force
47 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Taylor County, TX

What was reported inside it

TimeReportWhereRemark
Apr 26, 3:40 PM CDTThunderstorm Wind 62Abilene, TX
Apr 26, 3:45 PM CDTHail 0.88Abilene, TX
Apr 26, 3:50 PM CDTThunderstorm WindAbilene, TXA skylight at the mall was shattered, with falling glass injuring a child below.
Apr 26, 3:50 PM CDTThunderstorm WindBuffalo Gap, 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.3 hours before the alert went out and 221 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 12:00Z on 1998-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 870 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1998-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -136 square meters per square second.1939587897117136Sfc1 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
870 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-136 m²/s²
0-3 km storm-relative helicity
-122 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-3.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 26, 3:14 PM CDT, 4 minutes earlier.

Area forecast discussion, Apr 26, 3:14 PM CDT, 4 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
314 PM CDT SUN APR 26 1998

WILL UPDATE SJT LOCAL PER CURRENT TEMP AND POP TRENDS.

15

In the hours before

Special weather statement, Apr 26, 2:30 PM CDT, 48 minutes before
TXZ049-053-054-064>066-071>073-076>078-098-099-113-114-127-128-
139-140-154-155-168>170-271310-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
230 PM CDT SUN APR 26 1998

...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS IN BROWN AND SAN
SABA COUNTIES...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
WEST CENTRAL TEXAS EAST OF A SWEETWATER TO BALLINGER TO MASON LINE...

AN UPPER LEVEL DISTURBANCE AND DAYTIME HEATING WILL INTERACT WITH A
DRYLINE LOCATED ALONG A COLORADO CITY TO MILES TO SONORA LINE AT 225
PM TO PRODUCE A THREAT OF SEVERE WEATHER ACROSS MUCH OF WEST CENTRAL
TEXAS. SCATTERED STRONG THUNDERSTORMS HAVE ALREADY DEVELOPED ALONG
THIS DRYLINE OVER PARTS OF THE BIG COUNTRY AND CONCHO VALLEY.

WITH MODERATE LEVELS OF INSTABILITY AND VERTICAL WIND SHEAR...A
FEW OF THESE THUNDERSTORMS WILL LIKELY REACH SEVERE LEVELS WITH
LARGE HAIL AND DAMAGING WINDS BEING THE PRIMARY WEATHER THREAT.
HOWEVER...ISOLATED TORNADOES AND LOCALLY HEAVY RAINFALL WILL ALSO BE
POSSIBLE.

SPOTTERS HAVE ALREADY BEEN ACTIVATED IN WESTERN AND CENTRAL SECTIONS
OF WEST CENTRAL TEXAS WITH ACTIVATION POSSIBLY NEEDED OVER EASTERN
SECTION BY LATE THIS AFTERNOON.

FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE
PRODUCT LBBSPSMAF. FOR THE SOUTH CENTRAL TEXAS OUTLOOK SEE PRODUCT
SATSPSSAT. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT LBBSPSLBB. FOR
THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC.

15

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 2:33 PM CDTSevere Thunderstorm WarningSJTNolan32 min
Apr 26, 2:37 PM CDTSevere Thunderstorm WarningSJTRunnels63 min
Apr 26, 2:47 PM CDTSevere Thunderstorm WarningSJTColeman63 min
Apr 26, 3:20 PM CDTTornado WarningSJTColeman, McCulloch45 min
Apr 26, 3:41 PM CDTSevere Thunderstorm WarningSJTBrown59 min
Apr 26, 3:42 PM CDTTornado WarningSJTBrown63 min
Apr 26, 3:50 PM CDTSevere Thunderstorm WarningSJTColeman35 min
Apr 26, 3:56 PM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford49 min
Apr 26, 4:14 PM CDTTornado WarningSJTShackelford46 min
Apr 26, 4:39 PM CDTTornado WarningSJTHaskell61 min
Apr 26, 5:29 PM CDTSevere Thunderstorm WarningSJTThrockmorton61 min
Apr 26, 5:40 PM CDTSevere Thunderstorm WarningSJTHaskell20 min
Apr 26, 5:54 PM CDTTornado WarningSJTShackelford51 min
Apr 26, 5:58 PM CDTSevere Thunderstorm WarningSJTFisher47 min
Apr 26, 6:08 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min
Apr 26, 6:19 PM CDTTornado WarningSJTThrockmorton46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning 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.