Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 13, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Apr 13, 1991, 9:04 AM CDT for Hamilton County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 1991, 9:04 AM CDT (14:04 UTC)
- Expired
- Apr 13, 1991, 1:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Hamilton County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 12:00Z, 2.1 hours before the alert went out and 57 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.
- Mixed-layer CAPE
- 805 J/kg
- Mixed-layer CIN
- -308 J/kg
- Mixed-layer LCL
- 1877 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFTW 131406 FFWFTW TXC193-251-425-131800- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 904 AM CDT SAT APR 13 1991 THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL TEXAS ...HAMILTON COUNTY...JOHNSON COUNTY...SOMERVELL COUNTY AT 900 AM CDT OBSERVERS IN HICO REPORTED FLASH FLOODING DEVELOPING IN HICO. RADAR INDICTED A LINE OF INTENSE THUNDERSTORMS EXTENDING FROM DALLAS TO CLEBURN TO SOUTH OF HAMILTON. THE LINE WAS MOVING TO THE EAST AT 15 MPH WHILE THE CELLS WERE MOVING TO THE NORTHEAST TO 30 MPH. THERE ARE SEVERAL UPSTREAM THUNDERSTORMS THAT WILL MOVE OVER THE WARNING AREA THE NEXT HOUR OR TWO. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS 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. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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, Apr 13, 6:23 AM CDT, 2 hours 41 minutes before
TXZ031-131220- SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE WACO TX 619 AM CDT SAT APR 13 1991 ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS... AT 6:13 AM CDT WACO WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS ACROSS MUCH OF CENTRAL TEXAS. THE HEAVIEST ACTIVITY WAS LOCATED IN MCLENNAN COUNTY 3 MILES SOUTH OF BELLMEAD. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH. WHILE NO SEVERE WEATHER WAS INDICATED THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND FLASH FLOODING OF LOW LYING AND FLOOD PRONE AREAS. AS A DRY LINE AND UPPER LEVEL DISTURBANCE APPROACHES CENTRAL TEXAS FROM THE WEST...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP FOR THE REMAINDER OF TODAY. RESIDENTS OF CENTRAL TEXAS SHOULD REMAIN ALERT TO THE THREAT OF SEVERE WEATHER...AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED. < STAY TUNED TO THIS STATION FOR THE LATEST IN WEATHER INFORMATION. BB
Special weather statement, Apr 13, 6:52 AM CDT, 2 hours 12 minutes before
TXZ019>033-131200- SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 650 AM CDT SAT APR 13 1991 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS OF NORTH CENTRAL TEXAS. INCLUDED IN THE WATCH AREA ARE THE CITIES OF STEPHENVILLE...MINERAL WELLS...GAINESVILLE...SHERMAN AND THE DALLAS/FORT WORTH METROPLEX. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A GAINESVILLE...STEPHENVILLE...LAMPASAS LINE. AT 645 AM...WEATHER RADARS INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME STRONG AND PRODUCING HEAVY RAINS...EXTENDING FROM NEAR WICHITA FALLS TO NEAR GRAHAM...AND SOUTHWEST TO NEAR BALLINGER. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR WAXAHACHIE TO JUST EAST OF WACO. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. KEEP ALERT FOR T|HREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE QUICK ACTION. STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 13, 7:11 AM CDT, 1 hour 53 minutes before
TXZ031-131315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 710 AM CDT SAT APR 13 1991 ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS... AT 700 AM CDT WACO WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS SCATTERED ACROSS PARTS OF HILL...FALLS...MCLENNAN AND LIMESTONE COUNTIES OF CENTRAL TEXAS. THE HEAVIEST ACTIVITY WAS NOTED 5 MILES SOUTHWEST OF MEXIA. MOVEMENT WAS TO THE NORTHEAST AT 25 MPH. A SURFACE FRONT AND APPROACHING UPPER LEVEL DISTURBANCE WILL CONTINUE TO TRIGGER SHOWERS AND THUNDESTORMS ACROSS CENTRAL TEXAS FOR THE REMAINDER OF TODAY. WHILE NO SEVERE WEATHER HAS BEEN INDICATED ACROSS THE AREA...THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAINS...GUSTY WINDS ...DANGEROUS LIGHTNING AND FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE AREAS. RESIDENTS OF CENTRAL TEXAS SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS< AND BE PREPARED TO TAKE QUICK ACTION IF SEVERE} WEATHER DEVELOPS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS. BB
Special weather statement, Apr 13, 7:49 AM CDT, 1 hour 15 minutes before
TXZ019>033-131200- SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 750 AM CDT SAT APR 13 1991 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS OF NORTH CENTRAL TEXAS. INCLUDED IN THE WATCH AREA ARE THE CITIES OF STEPHENVILLE...MINERAL WELLS...GAINESVILLE...SHERMAN AND THE DALLAS/FORT WORTH METROPLEX. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A GAINESVILLE...STEPHENVILLE...LAMPASAS LINE. THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS TODAY AND TONIGHT OVER THAT PART OF NORTH TEXAS GENERALLY EAST OF A WICHITA FALLS TO SAN SABA LINE. THERE IS A SLIGHT RISK OVER THE REMAINDER OF NORTH TEXAS WEST OF THIS LINE. A SLOW MOVING FRONTAL BOUNDARY EXTENDED NORTH...SOUTH ACROSS ALONG A MONTAGUE TO SAN SABA LINE. THIS FRONTAL BOUNDARY IS SERVING AS A FOCUS FOR THUNDERSTORM ACTIVITY THIS MORNING. WARM AND VERY UNSTABLE AIR WILL CONTINUE INTO NORTH TEXAS AT LOWER LEVELS ON A LOW LEVEL JET OVER EAST TEXAS. ALOFT A STRONG UPPER AIR TROUGH WAS MOVING INTO NEW MEXICO AND WILL CONTINUE TO MOVE EASTWARD TODAY. AS THE UPPER TROUGH COME CLOSER TO NORTH TEXAS...THUNDERSTORMS ARE EXPECTED TO REDEVELOP ALONG THE SURFACE TROUGH AND SOME COULD BECOME SEVERE AND CONTINUE INTO THE NIGHT TIME HOURS AT 745 AM...WEATHER RADARS INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME STRONG AND PRODUCING HEAVY RAINS...EXTENDING FROM NEAR GAINESVILLE TO GLEN ROSE TO SAN SABA. THE PRECIPITATION EXENDED BACK TO THE WEST ABOUT 60 MILES. THE AREA WAS MOVING TO THE NORTHEAST AT 30 MPH. ANOTHER AREA OF WIDELY SCATTERED SHOWERS WAS BOUNDED BY A PARIS TO PALESTINE TO HILLSBORO TO DALLAS/FORT WORTH LINE. THE MOST INTENSE ACTIVITY WAS LOCATED ABOUT 10 MILES SOUTH OF WEATHERFORD...10 MILES SOUTH OF QUITMAN...AND 12 MILES NORTHEAST OF ATHENS. KEEP ALERT FOR THREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE QUICK ACTION. STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 13, 8:17 AM CDT, 47 minutes before
TXZ031-131415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 815 AM CDT SAT APR 13 1991 ...FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR CENTRAL TEXAS... AT 810 AM CDT WACO WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM DALLAS..TO MERIDIAN...TO NEAR LLANO. THE HEAVIEST ACTIVITY WAS LOCATED IN BOSQUE COUNTY NEAR WALNUT SPRINGS. MOVEMENT WAS TO THE NORTHEAST AT 20 MPH. WHILE NO SEVERE WEATHER WAS DETECTED...THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING AND FLASH FLOODING OF LOW LYING AND NORMALLY FLOOD PRONE AREAS. RESIDENTS OF CENTRAL TEXAS SHOULD KEEP ALERT TO CHANGING WEATHER CONDITIONS THROUGHOUT THE DAY AND BE PREPARED TO TAKE QUICK ACTION IF SEVERE WEATHER DEVELOPS. AS AN UPPER LEVEL DISTURBANCE AND COLD FRONT APPROACH THE REGION FROM THE WEST TODAY...SHOWER AND THUNDERSTORM ACTIVITY WILL BE ON THE INCREASE.< AT THIS TIME IT APPEARS THAT THE GREATEST THREAT WILL BE IN THE FORM OF FLASH FLOODING WITH THE SLOW MOVEMENT OF THE SOME OF THE STORMS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST IN WEATHER INFORMATION. BB
Special weather statement, Apr 13, 8:53 AM CDT, 11 minutes before
TXZ019>033-131500- SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 855 AM CDT SAT APR 13 1991 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 AM CDT FOR PARTS OF NORTH CENTRAL TEXAS BOUNDED ON THE WEST BY A MONTAGUE TO EASTLAND TO COLEMAN LINE AND ON THE EAST BY A SHERMAN TO GLEN ROSE TO SAN SABA LINE. ANOTHER SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3 PM FOR THAT PART NORTH TEXAS EAST OF THE SHERMAN TO GLEN ROSE TO SAN SABA LINE AND WEST OF LINE GENERALLY A 20 EAST OF CLARKSVILLE TO ATHENS TO 40 MILES EAST OF TEMPLE. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND EASTERN PARTS OF NORTH TEXAS FOR TODAY AND TONIGHT. THE AREA IS EAST OF A GAINESVILLE...STEPHENVILLE...LAMPASAS LINE. THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS TODAY AND TONIGHT OVER THAT PART OF NORTH TEXAS GENERALLY EAST OF A WICHITA FALLS TO SAN SABA LINE. THERE IS A SLIGHT RISK OVER THE REMAINDER OF NORTH TEXAS WEST OF THIS LINE. AT 855 AM...WEATHER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME INTENSE AND PRODUCING HEAVY RAINS AND POSSIBLY SMALL HAIL. THE ACTIVITY WAS BOUNDED BY A TEXARKANA TO RUSK TO WACO TO SAN SABA TO WICHITA FALLS LINE. THE MOST INTENSE THUNDERSTORMS WERE LOCATED ALONG A LINE...ABOUT 15 MILES WIDE...EXTENDED ALONG A MCKINNEY TO DALLAS DENTON TO CLEABURN TO GATESVILLE SOUTHWARD LINE. THE ACTIVITY WAS MOVING TO THE NORTHEAST TO 30 MPH. PEA SIZE4 HAIL WAS REPORTED AT HICO AROUND 8 AM. KEEP ALERT FOR THREATENING WEATHER IN YOUR AREA AND BE PREPARED TO TAKE QUICK ACTION. STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:34 PM CDT | Flash Flood Warning | FWD | Johnson | 3 hr |
| Apr 12, 7:43 PM CDT | Tornado Warning | FWD | Johnson | 47 min |
| Apr 12, 8:30 PM CDT | Tornado Warning | FWD | Johnson | 60 min |
| Apr 12, 9:10 PM CDT | Tornado Warning | FWD | Hill | 65 min |
| Apr 12, 9:30 PM CDT | Tornado Warning | FWD | Johnson | 45 min |
| Apr 12, 10:15 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 45 min |
| Apr 12, 10:16 PM CDT | Tornado Warning | FWD | Hill | 59 min |
| Apr 12, 10:27 PM CDT | Flash Flood Warning | FWD | Johnson | 3 hr |
| Apr 12, 11:04 PM CDT | Flash Flood Warning | FWD | Hill | 4 hr |
| Apr 13, 12:02 AM CDT | Tornado Warning | FWD | Hill | 43 min |
| Apr 13, 12:16 AM CDT | Flash Flood Warning | FWD | Ellis | 59 min |
| Apr 13, 9:04 AM CDT | Flash Flood Warning | FWD | Johnson, Somervell | 4 hr |
| Apr 13, 9:17 AM CDT | Flash Flood Warning | FWD | Dallas, Tarrant | 4 hr |
| Apr 13, 10:32 AM CDT | Flash Flood Warning | FWD | Ellis | 2 hr |
| Apr 13, 10:59 AM CDT | Flash Flood Warning | FWD | Bell, Coryell, McLennan | 3 hr |
| Apr 13, 11:05 AM CDT | Flash Flood Warning | FWD | Hunt, Rockwall | 3 hr |
| Apr 13, 11:56 AM CDT | Severe Thunderstorm Warning | FWD | Bell | 64 min |
| Apr 13, 12:16 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 31 min |
| Apr 13, 12:18 PM CDT | Flash Flood Warning | FWD | Falls, Limestone | 3 hr |
| Apr 13, 1:04 PM CDT | Flash Flood Warning | FWD | Bell, Coryell, Falls, Hill, Limestone, McLennan | 3 hr |
| Apr 13, 1:06 PM CDT | Tornado Warning | FWD | Red River | 54 min |
| Apr 13, 4:47 PM CDT | Severe Thunderstorm Warning | FWD | Brazos, Robertson | 58 min |
| Apr 13, 5:23 PM CDT | Severe Thunderstorm Warning | FWD | Leon, Madison | 52 min |
| Apr 13, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Brazos | 57 min |
| Apr 13, 6:58 PM CDT | Severe Thunderstorm Warning | FWD | Brazos | 62 min |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991
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.