Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 224, NWS Fort Worth, TX

May 12, 1990Limestone County, McLennan County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 12, 1990, 4:28 AM CDT for Limestone County, McLennan County, Texas. It was in force for 47 min. 1 report 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
May 12, 1990, 4:28 AM CDT (09:28 UTC)
Expired
May 12, 1990, 5:15 AM CDT
In force
47 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Limestone County, TX, McLennan County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 12, 4:51 AM CDTThunderstorm Wind 0Limestone, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 9.5 hours before the alert went out and 136 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, Stephenville/Cla, TX at 00:00Z on 1990-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 551 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, Stephenville/Cla, TX at 00:00Z on 1990-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
551 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1521 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

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.

In the hours before

Special weather statement, May 12, 12:20 AM CDT, 4 hours 8 minutes before
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Special weather statement, May 12, 12:24 AM CDT, 4 hours 4 minutes before
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Special weather statement, May 12, 1:46 AM CDT, 2 hours 42 minutes before
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Special weather statement, May 12, 1:50 AM CDT, 2 hours 38 minutes before
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Special weather statement, May 12, 2:43 AM CDT, 1 hour 45 minutes before
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Special weather statement, May 12, 3:45 AM CDT, 43 minutes before
TXZ019-033-121000-

SPECIAL WEATHER AND FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
345 AM CDT SAT MAY 12 1990

A SEVERE THUNDERSTORM  WATCH IS IN EFFECT  UNTIL  10 AM CDT THIS MORNING FOR
THE SOUTH CENTRAL AND SOUTHEAST  PARTS OF NORTH TEXAS.  SOME  OF  THE CITIES
INCLUDED IN THE  WATCH ARE CORSICANA...ATHENS...TYLER...LONGVIEW...FAIRFIELD
...PALESTINE...AND RUSK.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE STORMS
IN AND CLOSE TO THE  WATCH AREA THAT MAY PRODUCE LARGE HAIL...DAMAGING WINDS
...AND DANGEROUS LIGHTNING.   PERSONS IN THESE AREAS SHOULD REMAIN ALERT FOR
THREATENING WEATHER AND BE PREPARED TO TAKE SAFETY ACTIONS IMMEDIATELY. ALSO
...LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

THE FLASH FLOOD WATCH FOR NORTHEAST TEXAS HAS BEEN REDEFINED TO INCLUDE THAT
PART OF NORTH TEXAS EAST  AND NORTH OF A CLARKSVILLE...BELTON...LUFKIN LINE.

LATER STATEMENTS WILL BE ISSUED TO UPDATE TfHESE WEATHER EVENTS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 7:15 PM CDTSevere Thunderstorm WarningFWDShackelford60 min
May 11, 7:55 PM CDTSevere Thunderstorm WarningFWDYoung65 min
May 11, 7:56 PM CDTSevere Thunderstorm WarningFWDThrockmorton64 min
May 11, 8:08 PM CDTSevere Thunderstorm WarningFWDComanche67 min
May 11, 8:18 PM CDTTornado WarningFWDComanche57 min
May 11, 8:27 PM CDTSevere Thunderstorm WarningFWDErath63 min
May 11, 8:47 PM CDTSevere Thunderstorm WarningFWDBosque58 min
May 11, 8:56 PM CDTSevere Thunderstorm WarningFWDHood, Somervell64 min
May 11, 9:25 PM CDTFlash Flood WarningFWDHood2 hr
May 11, 9:32 PM CDTSevere Thunderstorm WarningFWDHill43 min
May 11, 9:37 PM CDTSevere Thunderstorm WarningFWDJohnson, Tarrant58 min
May 11, 9:51 PM CDTSevere Thunderstorm WarningFWDBell, Coryell69 min
May 11, 9:53 PM CDTSevere Thunderstorm WarningFWDSmith52 min
May 12, 12:34 AM CDTSevere Thunderstorm WarningFWDHenderson41 min
May 12, 3:47 AM CDTSevere Thunderstorm WarningFWDCoryell28 min
May 12, 4:56 AM CDTSevere Thunderstorm WarningFWDFreestone64 min
May 12, 5:15 AM CDTFlash Flood WarningFWDCoryell3 hr
May 12, 5:23 AM CDTSevere Thunderstorm WarningFWDAnderson67 min
May 12, 5:59 AM CDTSevere Thunderstorm WarningFWDCherokee61 min
May 12, 6:11 AM CDTSevere Thunderstorm WarningFWDHill34 min
May 12, 7:46 AM CDTFlash Flood WarningFWDNavarro4 hr
May 12, 9:13 AM CDTFlash Flood WarningFWDCherokee, Smith4 hr
May 12, 4:42 PM CDTSevere Thunderstorm WarningFWDWood33 min
May 12, 4:57 PM CDTSevere Thunderstorm WarningFWDAnderson, Cherokee, Henderson, Smith48 min
May 12, 6:15 PM CDTSevere Thunderstorm WarningFWDCherokee45 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990

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.