Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 18, NWS Fort Worth, TX

March 7, 1990Bosque County, Hill County, McLennan County, Texas

NWS Fort Worth, TX issued this flash flood warning at Mar 7, 1990, 6:10 AM CST for Bosque County, Hill County, McLennan County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Mar 7, 1990, 6:10 AM CST (12:10 UTC)
Expired
Mar 7, 1990, 8:15 AM CST
In force
2 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Bosque County, TX, Hill 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.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 0.2 hours before the alert went out and 86 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 12:00Z on 1990-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1990-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACT 071213
FFWACT
TXC035-217-309-071415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WACO TX
610 AM CST WED MAR 7 1990
 
THE NATIONAL WEATHER SERVICE IN WACO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...BOSQUE COUNTY...HILL COUNTY...MCLENNAN COUNTY
 
SEVERAL LARGE STRONG THUNDERSTORMS ARE MOVING THROUGH CENTRAL TEXAS
MANY OF THEM ALONG THE SAME AREAS. THIS ALONG WITH THE RAINS OF THE
PAST FEW HOURS FLASH FLOODING OF STREETS AND LOW LYING AREAS HAVE BEEN
REPORTED FROM IN AND AROUND THE WACO AREA.
 
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

What forecasters said that day

The local office's own words before this flash flood 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, Mar 7, 1:50 AM CST, 4 hours 20 minutes before
TXZ031-037-070900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
145 AM CST WED MAR 7 1990

...THUNDERSTORMS DEVELOPING IN THE WESTERN PARTS OF CENTRAL TEXAS...

AT 140 AM CST WACO WEATHER RADAR SHOWED A LARGE AREA OF MOSTLY LIGHT
RAIN WITH IMBEDDED MODERATE SHOWERS AND A FEW STRONG THUNDERSTORMS.
THE HEAVY THUNDERSTORMS WERE IN HAMILTON AND MILLS COUNTIES.  WITH THE
OF ALL THE PRECIPITATION NORTHEAST AT 25 MPH...THESE THUNDERSTORMS WILL
BE MOVING INTO BOSQUE AND CORYELL COUNTIES WITHIN THE NEXT HOUR OR SO.
PERSONS IN OR NEAR THESE STRONG THUNDERSTORMS SHOULD BE ON THE ALERT FOR
THE POSSIBILITY OF VERY HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING
AND POSSIBLE SMALL HAIL.

A LARGE AREA OF LIGHT TO MODERATE RAIN AND A FEW SHOWERS IS OCCURRING
OVER MUCH OF CENTRAL AND SOUTH CENTRAL TEXAS.  THESE RAINS COUPLED WITH
THE HEAVIER RAINS OF THE THUNDERSTORMS MAY CAUSE FLASH FLOODING OF LOW
LYING AND NORMALLY FLOOD PRONES AREAS SUCH AS LOW WATER CROSSINGS.
MOTORIST SHOULD APPROACH THESE PROBLEM AREAS WITH CAUTION AND NEVER
ATTEMPT TO CROSS HIGH WATER AREAS EITHER ON FOOT OR IN A VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR T.V. STATIONS
FOR LATER STATEMENTS.06
Special weather statement, Mar 7, 1:57 AM CST, 4 hours 13 minutes before
TXZ031-037-070900-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE WACO TX
145 AM CST WED MAR 7 1990

...THUNDERSTORMS DEVELOPING IN THE WESTERN PARTS OF CENTRAL TEXAS...

AT 140 AM CST WACO WEATHER RADAR SHOWED A LARGE AREA OF MOSTLY LIGHT
RAIN WITH IMBEDDED MODERATE SHOWERS AND A FEW STRONG THUNDERSTORMS.
THE HEAVY THUNDERSTORMS WERE IN HAMILTON AND MILLS COUNTIES.  WITH THE
PRECIPITATION MOVING NORTHEAST AT 25 MPH...THESE THUNDERSTORMS WILL
BE MOVING INTO BOSQUE AND CORYELL COUNTIES WITHIN THE NEXT HOUR OR SO.
PERSONS IN OR NEAR THESE STRONG THUNDERSTORMS SHOULD BE ON THE ALERT FOR
THE POSSIBILITY OF VERY HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING
AND POSSIBLE SMALL HAIL.

A LARGE AREA OF LIGHT TO MODERATE RAIN AND A FEW SHOWERS IS OCCURRING
OVER MUCH OF CENTRAL AND SOUTH CENTRAL TEXAS.  THESE RAINS COUPLED WITH
THE HEAVIER RAINS OF THE THUNDERSTORMS MAY CAUSE FLASH FLOODING OF LOW
LYING AND NORMALLY FLOOD PRONES AREAS SUCH AS LOW WATER CROSSINGS.
MOTORIST SHOULD APPROACH THESE PROBLEM AREAS WITH CAUTION AND NEVER
ATTEMPT TO CROSS HIGH WATER AREAS EITHER ON FOOT OR IN A VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR T.V. STATIONS
FOR LATER STATEMENTS.06
Local storm report, Mar 7, 2:25 AM CST, 3 hours 45 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
225 AM CST WED MAR 7 1990

...NORTH TEXAS STORM REPORTS FOR TUESDAY EVENING...MARCH 6 1990...

   TIME OF
  OCCURRENCE      COUNTY                     EVENT

  625 PM CST    STEPHENS       GOLF BALL HAIL AT CRYSTAL FALLS

 1020 PM CST    PALO PINTO     WIND DAMAGE TO A MOBILE HOME AND
                               SEVERAL BOAT DOCKS AT POSSUM KINGDOM
                               LAKE
Special weather statement, Mar 7, 3:37 AM CST, 2 hours 33 minutes before
TXZ031-037-071100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
340 AM CST WED MAR 7 1990

...STRONG THUNDERSTORMS CONTINUE IN PARTS OF CENTRAL TEXAS...

AT 330 AM CST WACO WEATHER RADAR SHOWED A LARGE AREA OF LIGHT TO
MODERATE RAIN WITH EMBEDDED MODERATE SHOWERS AND STRONG THUNDERSTORMS
WITH VERY HEAVY RAIN IN PARTS OF CENTRAL TEXAS.  THE STRONGEST STORM WAS
IN THE SOUTHWEST PART OF CORYELL COUNTY 17 MILES SOUTHWEST OF GATESVILLE.
OTHER STRONG THUNDERSTORMS WITH HEAVY RAIN WERE IN PARTS OF BOSQUE...
HILL...AND MCLENNAN COUNTIES.  ALL THE PRECIPITATION WAS MOVING NORTHEAST
AT 30 MPH.

PERSONS IN OR NEAR THE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR THE
POSSIBILITY OF VERY HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING AND
SMALL HAIL.

A LARGE PART OF CENTRAL AND SOUTH CENTRAL TEXAS WAS COVERED BY AN AREA
OF LIGHT TO OCCASIONALLY MODERATE RAIN.  FLASH FLOODING MAY OCCUR AS
THE HEAVIER RAINS OCCUR WITH THE PASSAGE OF THE THUNDERSTORMS.  PERSONS
TRAVELING IN THE MORNING RUSH HOUR ARE URGED TO REMAIN ALERT FOR THE
POSSIBILITY OF FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE
AREAS SUCH AS LOW WATER CROSSINGS.  REMEMBER DO NOT ATTEMPT TO CROSS
HIGH WATER.
5
STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.06
Special weather statement, Mar 7, 5:23 AM CST, 47 minutes before
TXZ031-037-071230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
525 AM CST WED MAR 7 1990

...VERY STRONG THUNDERSTORMS IN PARTS OF CENTRAL TEXAS...

AT 520 AM CST WACO WEATHER RADAR SHOWED A LARGE AREA OF LIGHT RAIN...
SCATTERED MODERATE SHOWERS AND STRONG TO VERY STRONG THUNDERSTORM.  THE
VERY STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WAS MOVING INTO BOSQUE
COUNTY.  THIS STORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WINDS
DANGEROUS LIGHTNING AND SMALL HAIL.

OTHER SHOWERS AND STRONG THUNDERSTORMS WERE SCATTERED THROUGH PARTS OF
MCLENNAN...BELL...HILL...FALLS...CORYELL AND LIMESTONE COUNTIES.  ALL THE
PRECIPITATION WAS MOVING NORTHEAST AT 25 MPH.  THESE STORMS ARE LIKELY
PRODUCING FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE AREAS.
STREET FLOODING IS LIKELY IN THE THUNDERSTORMS PRODUCING HEAVY RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.06
Special weather statement, Mar 7, 6:05 AM CST, 5 minutes before
TXZ021-022-023-026-027-028-031-072200-

SEVERE WEATHER POTENTIAL STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
6 AM CST WED MAR 7 1990

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY OVER THAT PART
OF NORTH TEXAS ALONG AND EAST OF A LINE FROM STEPHENVILLE TO GAINESVILLE
AND NORTH OF A LINE FROM STEPHENVILLE TO NEAR SHREVEPORT.

A STRONG SPREADING OF WINDS AT HIGH LEVELS WILL EXIST OVER NORTH TEXAS
TODAY AS AN INTENSE UPPER LEVEL LOW OVER SOUTHEAST COLORADO MOVES
NORTHEAST. ABUNDANT LOW LEVEL MOISTURE IS PRESENT ACROSS MOST OF NORTH
CENTRAL AND NORTHEAST TEXAS. WARM AIR CONTINUES TO FEED INTO THE
THREAT AREA FROM THE SOUTH AND THIS WILL DESTABALIZE THE ATMOSPHERE
EVEN MORE.  STRONG TURNING OF LOW LEVEL WINDS WAS ABSENT FROM THE WEATHER
PATTERN THIS MORNING.  CONSEQUENTLY...SEVERE THUNDERSTORMS ARE MORE
LIKELY THAN TORNADOES.

FLASH FLOODING IS A GREATER THREAT TODAY OVER PARTS OF NORTH TEXAS
DUE TO ALMOST SATURATED GROUND AND A CONTINUANCE OF STORM DEVELOPMENT
OVER THE SAME AREAS.

WIND GUSTS TO ABOUT 60 MILES AN HOUR WERE REPORTED IN SOME OF THE
STORMS EARLIER THIS MORNING SO SEVERE THUNDERTORMS COULD OCCUR AT
ANY TIME ALTHOUGH THE BEST CHANCE WILL BE IN THE AFTERNOON WHEN A DRY
LINE WILL EDGE CLOSER THE THE AREA AND SOME HELP WILL COME FROM DAYTIME
HEATING.

STORM SPOTTERS ARE REQUESTED TO KEEP INFORMED OF THE LATEST WEATHER
DEVELOPMENTS TODAY IN CASE ACTIVATION OF SPOTTER NETS BECOMES NECESSARY.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 6:00 PM CSTSevere Thunderstorm WarningFWDShackelford60 min
Mar 6, 6:05 PM CSTSevere Thunderstorm WarningFWDYoung50 min
Mar 6, 6:11 PM CSTSevere Thunderstorm WarningFWDStephens49 min
Mar 6, 7:53 PM CSTSevere Thunderstorm WarningFWDYoung67 min
Mar 6, 8:06 PM CSTSevere Thunderstorm WarningFWDJack69 min
Mar 6, 8:47 PM CSTFlash Flood WarningFWDJack, Young118 min
Mar 7, 2:00 AM CSTFlash Flood WarningFWDParker4 hr
Mar 7, 4:27 AM CSTTornado WarningFWDHamilton48 min
Mar 7, 8:47 AM CSTSevere Thunderstorm WarningFWDCoryell58 min
Mar 7, 12:21 PM CSTSevere Thunderstorm WarningFWDMcLennan69 min
Mar 7, 12:53 PM CSTSevere Thunderstorm WarningFWDBosque, Hill67 min
Mar 7, 3:32 PM CSTSevere Thunderstorm WarningFWDRains, Wood43 min
Mar 7, 3:50 PM CSTSevere Thunderstorm WarningFWDFranklin, Hopkins40 min
Mar 7, 4:24 PM CSTSevere Thunderstorm WarningFWDTitus56 min

Nearby

Flash Flood Warnings in Texas, 1990Every flash flood 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.