Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 340, NWS Fort Worth, TX

May 30, 1990Madison County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 30, 1990, 8:00 PM CDT for Madison County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 30, 1990, 8:00 PM CDT (01:00 UTC)
Expired
May 30, 1990, 9:00 PM CDT
In force
60 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Madison 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 1.0 hours before the alert went out and 199 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 1990-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3079 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 1990-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.193958Sfc1 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
3079 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
745 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
4.9
Supercell composite
24.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACT 310101
SVRACT
TXC313-310200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WACO TX
800 PM CDT WED MAY 30 1990
 
THE NATIONAL WEATHER SERVICE IN WACO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST TEXAS
 
   ...MADISON COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 15 MILES EAST SOUTHEAST
OF MADISONVILLE IN WESTERN MADISON COUNTY MOVING NORTHEAST AT 20 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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 30, 3:32 PM CDT, 4 hours 28 minutes before
TXZ031-032-037-302134-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
330 PM CDT WED MAY 30 1990

...WIDELY SCATTERED THUNDERSTORMS DEVELOPING OVER SOUTH CENTRAL TEXAS...

AT 325 PM CDT WIDELY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE
FROM ROSEBUD TO MARQUEZ AND EXTENDED SOUTH TO HEMPSTEAD AND GIDDINGS.
THE HEAVIER RAINFALL WAS JUST NORTH OF COLLEGE STATION AND BETWEEN MILANO
AND ROSEBUD.

ELSEWHERE...ISOLATED SHOWERS WERE OVER NAVARRO COUNTY...EAST OF LAKE
DAWSON.

MOVEMENT AT THIS TIME HAD NOT BEEN DETERMINED.

07
Special weather statement, May 30, 3:42 PM CDT, 4 hours 18 minutes before
TXZ021>023-026>028-310100-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
340 PM CDT WED MAY 30 1990

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTH CENTRAL
AND NORTHEASTERN SECTIONS OF NORTH TEXAS.  THE RISK AREA IS GENERALLY
EAST AND NORTH OF A LINE FROM BONHAM TO KAUFMAN TO LONGVIEW TO
MARSHALL.

THUNDERSTORMS IN SOUTHEASTERN OKLAHOMA THIS AFTERNOON PRODUCED AN
OUTFLOW BOUNDARY WHICH WAS SITUATED FROM CENTRAL OKLAHOMA NEAR
OKLAHOMA CITY TO ALONG THE RED RIVER IN SOUTHEAST OKLAHOMA.  IN TEXAS...
A DRYLINE... A BOUNDARY SEPARATING DRY AIR TO THE WEST FROM MOIST AIR
TO THE EAST STRETCHED FROM EAST OF WICHITA FALLS TO EAST OF ABILENE TO
NEAR DEL RIO.

SOUTHERLY WINDS ACROSS THE EASTERN HALF OF TEXAS CONTINUED TO BRING
MOISTURE INTO THE RISK AREA... RAISING DEWPOINTS TO THE LOWER AND
MIDDLE 70S.  THE ATMOSPHERE IS MODERATELY UNSTABLE WITH LIFTED INDICES
BETWEEN MINUS 6 AND MINUS 9 ACROSS THE AREA.

THUNDERSTORM DEVELOPMENT IS EXPECTED NEAR THE INTERSECTION OF THE
DRYLINE AND THE OUTFLOW BOUNDARY IN OKLAHOMA WHERE MOISTURE CONVERGENCE
WILL BE GREATEST.  CONVECTION COULD THEN SPREAD INTO NORTH CENTRAL AND
NORTHEAST TEXAS LATER THIS EVENING.

STRONGER THUNDERSTORMS COULD PRODUCE HEAVY RAIN... HAIL AND DAMAGING
STRAIGHT LINE WINDS.

LIMITING FACTORS TO THUNDERSTORM DEVELOPMENT ARE WARM MID-LEVEL
TEMPERATURES OVER NORTH TEXAS AND FORECASTED WEAKENING OF MID-LEVEL
WIND FLOW... WHICH WILL ACT TO SLOW OR STOP MOVEMENT OF DRYLINE.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL WANT TO MONITOR
THE DEVELOPMENT OF THIS WEATHER SITUATION.  LIMITED STORM SPOTTER
ACTIVATION MAY BE REQUIRED ACROSS THE PARTS OF NORTH CENTRAL AND
NORTHEAST TEXAS LATE THIS AFTERNOON AND THIS EVENING.
Special weather statement, May 30, 4:55 PM CDT, 3 hours 5 minutes before
TXZ021>023-302200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
455 PM CDT WED MAY 30 1990

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM FOR A PORTION OF EXTREME
NORTHEAST TEXAS INCLUDING THE CITIES OF SHERMAN AND PARIS.

AT 445 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
PRODUCING VERY HEAVY RAINS LOCATED NEAR THE TEXAS/OKLAHOMA BORDER
NORTHEAST OF DENISON IN BRYAN COUNTY. THIS STORM IS CAPABLE OF
PRODUCING VERY HEAVY RAINS...LARGE HAIL...STRONG GUSTY WINDS AND
FREQUENT LIGHTNING. THESE STORMS WERE MOVING EAST AT 25
MILES AN HOUR AND COULD AFFECT NORTHERN FANNIN COUNTY SHORTLY.

OTHER DEVELOPING SHOWERS AND THUNDERSTORMS WERE SCATTERED BETWEEN
SHERMAN AND PARIS IN NORTHEAST TEXAS MOVING EAST NORTHEAST AT 20 MILES
AN HOUR.

PERSONS IN EXTREME NORTHEAST TEXAS SHOULD MONITOR THE WEATHER CLOSELY
FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO MOVE TO A
STRONG BUILDING IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED
FOR YOUR COUNTY.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 30, 5:26 PM CDT, 2 hours 34 minutes before
TXZ031-032-037-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
530 PM CDT WED MAY 30 1990

...SCATTERED THUNDERSTORMS CONTINUE IN PARTS OF CENTRAL AND SOUTHCENTRAL
   TEXAS...

AT 520 PM CDT WACO WEATHER RADAR SHOWED SCATTERED LIGHT TO MODERATE SHOWERS
AND STRONG TO VERY STRONG THUNDERSTORMS IN PARTS OF CORYELL...LIMESTONE...
LEON...MADISON...ROBERTSON AND BRAZOS COUNTIES.  THE HEAVIEST RAINS WERRE
IN EASTERN ROBERTSON COUNTY EAST OF FRANKLIN...AND IN LEON COUNTY SOUTHEAST
OF MARQUEZ.  ALL THE PRECIPITATION WAS MOVING EAST NORTHEAST AT 25 MPH.

NO SEVERE WEATHER WAS REPORTED OR INDICATED BY RADAR...HOWEVER THE STRONGER
ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WIN5DS AND DANGEROUS
LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.06
Special weather statement, May 30, 6:34 PM CDT, 1 hour 26 minutes before
TXZ031-032-037-310030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
635 PM CDT WED MAY 30 1990

...STRONG THUNDERSTORMS AND VERY HEAVY RAIN IN PARTS OF SOUTHCENTRAL TEXAS...

AT 625 PM CDT WACO WEATHER RADAR SHOWED SCATTERED LIGHT TO MODERATE SHOWERS
AND STRONG TO VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN IN ROBERTSON
AND LEON COUNTIES.  THE VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE
IN ROBERTSON COUNTY 5 MILES EAST OF CALVERT AND 7 MILES NORTHEAST OF
FRANKLIN...AND IN LEON COUNTY 7 MILES SOUTH OF MARQUEZ.  OTHER STRONG
THUNDERSTORMS WERE IN MADISON COUNTY.  LIGHT TO MODERATE SHOWERS WERE IN
BRAZOS COUNTY AND NEAR CORYELL/LAMPASSAS COUNTY LINE 17 MILES WEST OF
COPPERAS COVE.  MOVEMENT OF ALL THE PRECIPITATION WAS NORTHEAST AT 20 MPH.

ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED...THE STRONGER STORMS ARE
CAPABLE OF PRODUCING GUSTY WINDS...DANGEROUS LIGHTNING AND VERY HEAVY RAIN
THAT MAY CAUSE FLASH FLOODINEG OF LOW LYING AND NORMALLY FLOOD PRONE AREAS.06
Special weather statement, May 30, 6:37 PM CDT, 1 hour 23 minutes before
TXZ031-032-037-310030-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE WACO TX
635 PM CDT WED MAY 30 1990

...A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 1100PM CDT FOR PERSONS
   FALLS...LEON AND LIMESTONE COUNTIES...
...STRONG THUNDERSTORMS AND VERY HEAVY RAIN IN PARTS OF SOUTHCENTRAL TEXAS...

AT 625 PM CDT WACO WEATHER RADAR SHOWED SCATTERED LIGHT TO MODERATE SHOWERS
AND STRONG TO VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN IN ROBERTSON
AND LEON COUNTIES.  THE VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE
IN ROBERTSON COUNTY 5 MILES EAST OF CALVERT AND 7 MILES NORTHEAST OF
FRANKLIN...AND IN LEON COUNTY 7 MILES SOUTH OF MARQUEZ.  OTHER STRONG
THUNDERSTORMS WERE IN MADISON COUNTY.  LIGHT TO MODERATE SHOWERS WERE IN
BRAZOS COUNTY AND NEAR CORYELL/LAMPASSAS COUNTY LINE 17 MILES WEST OF
COPPERAS COVE.  MOVEMENT OF ALL THE PRECIPITATION WAS NORTHEAST AT 20 MPH.

ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORGTED...THE STRONGER STORMS ARE
CAPABLE OF PRODUCING GUSTY WINDS...DANGEROUS LIGHTNING AND VERY HEAVY RAIN
WHICH MAY CAUSE FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE AREAS.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.06

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:39 PM CDTSevere Thunderstorm WarningFWDHopkins, Hunt66 min
May 30, 7:39 PM CDTSevere Thunderstorm WarningFWDFannin66 min
May 30, 7:56 PM CDTTornado WarningFWDHopkins49 min
May 30, 8:15 PM CDTSevere Thunderstorm WarningFWDLimestone60 min
May 30, 8:19 PM CDTSevere Thunderstorm WarningFWDFalls41 min
May 30, 8:43 PM CDTSevere Thunderstorm WarningFWDFranklin, Hopkins, Wood62 min
May 30, 9:00 PM CDTSevere Thunderstorm WarningFWDRains60 min
May 30, 9:05 PM CDTSevere Thunderstorm WarningFWDFalls40 min
May 30, 9:50 PM CDTSevere Thunderstorm WarningFWDFalls, Limestone25 min
May 30, 10:06 PM CDTSevere Thunderstorm WarningFWDUpshur, Wood69 min
May 30, 10:27 PM CDTSevere Thunderstorm WarningFWDKaufman63 min
May 30, 11:30 PM CDTFlash Flood WarningFWDEllis3 hr
May 30, 11:30 PM CDTFlash Flood WarningFWDDallas, Kaufman2 hr
May 30, 11:58 PM CDTSevere Thunderstorm WarningFWDJohnson, Tarrant62 min
May 31, 12:10 AM CDTFlash Flood WarningFWDJohnson4 hr
May 31, 2:25 AM CDTFlash Flood WarningFWDEllis4 hr
May 31, 2:28 AM CDTSevere Thunderstorm WarningFWDErath, Hood62 min
May 31, 2:40 AM CDTFlash Flood WarningFWDEllis50 min
May 31, 11:03 AM CDTFlash Flood WarningFWDCherokee4 hr
May 31, 12:54 PM CDTFlash Flood WarningFWDAnderson, Henderson4 hr
May 31, 12:54 PM CDTFlash Flood WarningFWDSmith4 hr
May 31, 2:57 PM CDTFlash Flood WarningFWDCherokee2 hr
May 31, 5:08 PM CDTFlash Flood WarningFWDHenderson, Smith2 hr
May 31, 5:08 PM CDTFlash Flood WarningFWDEllis2 hr
May 31, 5:08 PM CDTFlash Flood WarningFWDAnderson, Cherokee4 hr
May 31, 5:09 PM CDTFlash Flood WarningFWDLeon, Robertson5 hr

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.