Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 113, NWS Fort Worth, TX

April 6, 1990Bell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 6, 1990, 12:27 AM CDT for Bell County, Texas. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Apr 6, 1990, 12:27 AM CDT (05:27 UTC)
Expired
Apr 6, 1990, 1:30 AM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Bell County, TX

The radar

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

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 5.5 hours before the alert went out and 144 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 1990-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1723 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 1990-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
1723 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1551 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACT 060526
SVRACT
TXC027-060630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WACO TX
1227 AM CDT FRI APR 6 1990
 
THE NATIONAL WEATHER SERVICE IN WACO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...BELL COUNTY
 
AT 1225 AM CDT SEVERE THUNDERSTORMS WERE OCCURRING 15 MILES EAST OF
KILLEEN AND 10 MILES WEST OF COPPERAS COVE. MOVEMENT WAS SOUTHEAST AT
35 MILES AN HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YiOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Apr 5, 7:24 PM CDT, 5 hours 3 minutes before
TXZ031-060130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
723 PM CDT THU APR 5 1990

...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR BELL..BOSQUE..
CORYELL..FALLS..HILL..LIMESTONE AND MCLENNAN COUNTIES OF CENTRAL
TEXAS...

AT 717 PM CDT LIGHT SHOWERS WERE LOCATED IN BOSQUE COUNTY...MOVING
EAST 30 MILES AN HOUR.

PERSONS IN CENTRAL TEXAS SHOULD KEEP ALERT TO POSSIBLE CHANGING
WEATHER CONDITIONS LATER THIS EVENING.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENS
OR ADVISORIES.
Special weather statement, Apr 5, 8:33 PM CDT, 3 hours 54 minutes before
TXZ031-060230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
833 PM CDT THU APR 5 1990

...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR BELL..BOSQUE..
CORYELL..FALLS..HILL..LIMESTONE AND MCLENNAN COUNTIES OF CENTRAL
TEXAS...

AT 827 PM CDT NO PRECIPITATION WAS OCCURING IN CENTRAL TEXAS.
SHOWERS AND VERY STRONG THUNDERSTORMS EXTENDED FROM 10 MILES WEST OF
FORT WORTH TO 15 MILES NORTH OF STEPHENVILLE TO SOUTHEAST OF ABILENE.
THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR AND SOULD
BE MOVING INTO THE NORTHWEST SECTIONS OF CENTRAL TEXAS IN THE NEXT
HOUR TO 11/2 HOURS.

PERSONS IN NORTHWEST BOSQUE AND NORTHWEST HILL COUNTIES SHOULD BE ALERT
TO THE APPROACH OF THES
E THUNDERSTORMS.  STAY TUNED TO NOAA WEATHER
RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
Special weather statement, Apr 5, 9:49 PM CDT, 2 hours 38 minutes before
TXZ031-060345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
945 PM CDT THU APR 5 1990

...TORNADO WATCH IN EFFECT UNTIL MIDNIGHT FOR BELL..BOSQUE..
CORYELL..FALLS..HILL..LIMESTONE AND MCLENNAN COUNTIES OF CENTRAL
TEXAS...

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR NORTH CENTRAL BOSQUE AND
   HILL COUNTIES UNTIL  1015 PM...

AT 935 PM CDT AN INTENSE THUNDERSTORM WAS LOCATED ON THE NORTH END OF
LAKE  WHITNEY...JUST NORTHEAST OF MORGAN. PEA TO QUARTER SIZE HAIL HAS
BEEN REPORTED NEAR BLUM. THIS STORM IS MOVING  SOUTHEAST AT 30 TO 35
MILES AN HOUR...AND SHOULD BE IN THE HILLSBORO AREA IN THE NEXT 30
MINUTES TO AN HOUR.

ELSEWHERE...A LINE OF THUNDERSTORMS WAS NORTH OF A LINE...FROM
BROWNWOOD...TO MORGAN TO NORTHEAST OF ENNIS.<

CENTRAL TEXAS RESIDENTS...ESPECIALLY THOSE IN BOSQUE AND HILL COUNTIES
SHOULD KEEP ALERT IF THREATENING WEATHER MOVES INTO YOUR AREA. IF AT
ALL POSSIBLE...LEAVE MOBILE HOMES AND GO TO A MORE STUDY PALCE OF
SAFETY. THESE STORMS ARE PRODUCING WINDS 50 TO 55 MILES AN HOUR...LARGE
HAIL AND DANGEROUS LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND WARNINGS.

07

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:02 PM CDTSevere Thunderstorm WarningFWDJack58 min
Apr 5, 7:14 PM CDTSevere Thunderstorm WarningFWDCallahan61 min
Apr 5, 7:35 PM CDTSevere Thunderstorm WarningFWDStephens55 min
Apr 5, 7:38 PM CDTSevere Thunderstorm WarningFWDParker67 min
Apr 5, 7:46 PM CDTTornado WarningFWDParker44 min
Apr 5, 7:50 PM CDTSevere Thunderstorm WarningFWDHunt55 min
Apr 5, 7:58 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto62 min
Apr 5, 8:19 PM CDTTornado WarningFWDHopkins56 min
Apr 5, 8:25 PM CDTTornado WarningFWDTarrant65 min
Apr 5, 8:25 PM CDTTornado WarningFWDParker15 min
Apr 5, 8:31 PM CDTTornado WarningFWDComanche59 min
Apr 5, 8:47 PM CDTSevere Thunderstorm WarningFWDColeman58 min
Apr 5, 8:47 PM CDTSevere Thunderstorm WarningFWDCallahan48 min
Apr 5, 8:54 PM CDTSevere Thunderstorm WarningFWDHood, Johnson, Somervell66 min
Apr 5, 9:04 PM CDTSevere Thunderstorm WarningFWDFranklin, Wood56 min
Apr 5, 9:06 PM CDTSevere Thunderstorm WarningFWDBosque, Hill69 min
Apr 5, 9:07 PM CDTSevere Thunderstorm WarningFWDBrown68 min
Apr 5, 9:11 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant64 min
Apr 5, 9:28 PM CDTSevere Thunderstorm WarningFWDComanche62 min
Apr 5, 9:45 PM CDTSevere Thunderstorm WarningFWDEllis60 min
Apr 5, 9:59 PM CDTTornado WarningFWDComanche31 min
Apr 5, 10:13 PM CDTSevere Thunderstorm WarningFWDHamilton62 min
Apr 5, 11:01 PM CDTSevere Thunderstorm WarningFWDCoryell59 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; the sounding from the Mesonet's radiosonde archive.