Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 101, NWS Fort Worth, TX

April 19, 1993Smith County, Upshur County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 19, 1993, 9:16 PM CDT for Smith County, Upshur County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Apr 19, 1993, 9:16 PM CDT (02:16 UTC)
Expired
Apr 19, 1993, 10:15 PM CDT
In force
59 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Smith County, TX, Upshur County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 2.3 hours before the alert went out and 53 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, Longview/Gregg, TX at 00:00Z on 1993-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1056 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, Longview/Gregg, TX at 00:00Z on 1993-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.19395878Sfc1 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
1056 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

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, Apr 19, 5:41 PM CDT, 3 hours 35 minutes before
TXZ021>023-026-027-192340-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
540 PM CDT MON APR 19 1993

AT 535 PM CDT...NATIONAL WEATHER SERVICE RADARS INDICATED THAT A LINE
OF THUNDERSTORMS WAS STARTING TO DEVELOP OVER PARTS OF NORTHEAST AND
NORTH CENTRAL NORTH TEXAS.  THIS LINE OF THUNDERSTORMS EXTENDED FROM
ABOUT 20 MILES NORTHEAST OF BONHAM TO JUST NORTHEAST OF COPPELL.
THESE THUNDERSTORMS WERE DEVELOPING RAPIDLY AN:D SOME OF THESE STORMS
COULD BECOME SEVERE DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADAR FOR LATER UPDATES AND POSSIBLE
WARNINGS.
Special weather statement, Apr 19, 5:46 PM CDT, 3 hours 30 minutes before
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Special weather statement, Apr 19, 7:17 PM CDT, 1 hour 59 minutes before
TXZ031-200130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
717 PM CDT MON APR 19 1993

 ...TORNADO WATCH IN EFFECT UNTIL MIDNIGHT FOR BOSQUE AND HILL COUNTIES...

AT 711 PM CDT WACO WEATHER RADAR INDICATED A DEVELOPING LINE OF STRONG
THUNDERSTORMS WHICH EXTENDED FROM GREENVILLE TO DALLAS TO 10 MILES EAST
OF FORT WORTH. MOVEMENT WAS EAST AT 20 MILES AN HOUR.

THESE HAVE PRODUCED QUARTER SIZE HAIL AND WINDS TO 67 MILES AN HOUR IN
THE DALLAS AREA.

AN UPPER LEVEL DISTURBANCE AND A STRONG COLD FRONT WAS PUSHING THROUGH
NORTH CENTRAL TEXAS THIS EVENING. AS THESE SYSTEMS MOVED INTO A VERY WARM
...MOIST AIRMASS THUNDERSTORMS BEGAN DEVELOPING RAPIDLY.

PERSONS IN AND NEAR THE WATCH AREA SHOULD CONTINUE TO MONITOR THE WEATHER
AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.
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STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.

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Special weather statement, Apr 19, 7:19 PM CDT, 1 hour 57 minutes before
TXZ031-200130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
717 PM CDT MON APR 19 1993

 ...TORNADO WATCH IN EFFECT UNTIL MIDNIGHT FOR BOSQUE AND HILL COUNTIES...

AT 711 PM CDT WACO WEATHER RADAR INDICATED A DEVELOPING LINE OF STRONG
THUNDERSTORMS WHICH EXTENDED FROM GREENVILLE TO DALLAS TO 10 MILES EAST
OF FORT WORTH. MOVEMENT WAS EAST AT 20 MILES AN HOUR.

THESE HAVE PRODUCED QUARTER SIZE HAIL AND WINDS TO 67 MILES AN HOUR IN
THE DALLAS AREA.

AN UPPER LEVEL DISTURBANCE AND A STRONG COLD FRONT WAS PUSHING THROUGH
NORTH CENTRAL TEXAS THIS EVENING. AS THESE SYSTEMS MOVED INTO A VERY WARM
...MOIST AIRMASS THUNDERSTORMS BEGAN DEVELOPING RAPIDLY.

PERSONS IN AND NEAR THE WATCH AREA SHOULD CONTINUE TO MONITOR THE WEATHER
AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.
<
STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Special weather statement, Apr 19, 8:33 PM CDT, 43 minutes before
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Special weather statement, Apr 19, 8:34 PM CDT, 42 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:07 PM CDTSevere Thunderstorm WarningFWDRed River68 min
Apr 19, 7:10 PM CDTSevere Thunderstorm WarningFWDHunt50 min
Apr 19, 7:26 PM CDTSevere Thunderstorm WarningFWDHopkins64 min
Apr 19, 7:40 PM CDTSevere Thunderstorm WarningFWDKaufman65 min
Apr 19, 7:56 PM CDTSevere Thunderstorm WarningFWDDallas64 min
Apr 19, 8:00 PM CDTSevere Thunderstorm WarningFWDHunt, Rains, Van Zandt60 min
Apr 19, 8:11 PM CDTTornado WarningFWDKaufman, Van Zandt34 min
Apr 19, 8:54 PM CDTSevere Thunderstorm WarningFWDVan Zandt66 min
Apr 19, 8:58 PM CDTSevere Thunderstorm WarningFWDEllis, Kaufman62 min
Apr 19, 9:07 PM CDTSevere Thunderstorm WarningFWDTitus33 min
Apr 19, 9:20 PM CDTSevere Thunderstorm WarningFWDWood40 min
Apr 19, 9:38 PM CDTSevere Thunderstorm WarningFWDHamilton67 min
Apr 19, 9:52 PM CDTSevere Thunderstorm WarningFWDHenderson68 min
Apr 19, 9:58 PM CDTSevere Thunderstorm WarningFWDSmith, Wood62 min
Apr 19, 10:19 PM CDTSevere Thunderstorm WarningFWDHill, McLennan56 min
Apr 19, 10:29 PM CDTSevere Thunderstorm WarningFWDUpshur46 min
Apr 19, 10:33 PM CDTSevere Thunderstorm WarningFWDEllis42 min
Apr 19, 10:55 PM CDTSevere Thunderstorm WarningFWDHenderson65 min
Apr 19, 10:57 PM CDTSevere Thunderstorm WarningFWDSmith63 min
Apr 19, 11:00 PM CDTSevere Thunderstorm WarningFWDTitus45 min
Apr 19, 11:20 PM CDTSevere Thunderstorm WarningFWDMorris25 min
Apr 20, 12:38 AM CDTSevere Thunderstorm WarningFWDCoryell67 min
Apr 20, 6:17 AM CDTSevere Thunderstorm WarningFWDLeon43 min

Nearby

Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993

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.