Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 2, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at May 14, 1987, 5:01 PM CDT for Collin County, Denton County, Texas. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1987, 5:01 PM CDT (22:01 UTC)
- Expired
- May 14, 1987, 7:00 PM CDT
- In force
- 119 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
Counties Collin County, TX, Denton 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, 10.0 hours before the alert went out and 160 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1614 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -67 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFTW 142201
FFWFTW
TXC085-121-150100-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
501 PM CDT THU MAY 14 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL TEXAS
...SOUTHWESTERN COLLIN...EASTERN DENTON
HEAVY RAINFALL HAS OCCURRED OVER SOUTHWEST COLLIN AND EASTERN DENTON
COUNTIES THIS AFTERNOON. LEWISVILLE REPORTS FOUR INCHES OF RAIN THE
PAST TWO HOURS. SOME FLOODING OF ROADWAYS IS ALREADY IN PROGRESS.
WITH VERY HEAVY THUNDERSTORMS CONTINUING OVER THE SAME
AREAS...ADDITIONAL AND POSSIBLE SERIOUS FLOODING COULD DEVELOP THIS
EVENING.
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...EVEnN 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, May 14, 12:19 PM CDT, 4 hours 42 minutes before
NORTH TEXAS SEVERE WEATHER POTENTIAL STATEMENT NATIONAL WEATHER SERVICE FT WORTH TX 1215 PM CDT THU MAY 14 1987 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN NORTH TEXAS THIS AFTERNOON AND EVENING GENERALLY TO THE SOUTH AND WEST OF A LINE FROM HASKELL TO STEPHENVILLE TO TEMPLE. IN ADDITION...THUNDERSTORMS PRODUCING HEAVY RAINS CAN BE EXPECTED IN AN AREA TO THE WEST OF A LINE FROM WICHITA FALLS TO FT WORTH TO WACO. THESE THUNDERSTORMS WILL DEVELOP EARLY THIS AFTERNOON AND WILL INCREASE IN AREA COVERAGE AND INTENSITY WITH AFTERNOON HEATING. SOME HAIL CAN BE EXPECTED AS WELL AS BRIEF INTENSE WINDS...USUALLY AS THE STORMS DISSIPATE. IN ADDITION...MOVEMENT OF THESE STORMS WILL BE SLOW...PRODUCING HEAVY RAINS OVER A SMALL AREA. THE JET STREAM IS WELL NORTH OF TEXAS AND WITH THE LACK OF ANY OTHER SIGNIFICANT DYNAMIC SUPPORT...SEVERE THUNDERSTORMS WILL BE FEW AND CONFINED TO SMALL AREAS. THE MAIN INGREDIENT FOR SEVERE WEATHER COMES FROM OVERNIGHT THUNDERSTORMS IN SOUTHWEST TEXAS WHICH PRODUCED OUTFLOW BOUNDARIES. THESE BOUNDARIES WILL BE THE MAIN FOCUS OF THIS AFTERNOON'S ACTIVITY WHEN DAYTIME HEATING ALONG WITH ABUNDANT MOISTURE WILL INTERACT WITH THE BOUNDARIES TO PRODUCE ITHUNDERSTORMS. A SIGNIFICANT STORM SPOTTER EFFORT IS NOT ANTICIPATED TODAY BUT SPOTTERS ARE REQUESTED TO PLAN FOR A POSSIBLE LIMITED ACTIVATION SHOULD THUNDERSTORMS BECOME MORE NUMEROUS THAN EXPECTED.
Special weather statement, May 14, 1:44 PM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 145 PM CDT THU MAY 14 1987 AT 140 PM CDT A THUNDERSTORM HAD FORMED AND WAS PRODUCING VERY HEAVY RAIN OVER WESTERN BELL COUNTY OF CENTRAL TEXAS. THE THUNDERSTORM WAS 10 MILES SOUTH OF KILLEEN AND WAS MOVING NORTHEAST AT 15 MILES AN HOUR. PERSONS IN WESTERN AND CENTRAL BELL COUNTY SHOULD BE ON THE LOOKOUT FOR THIS THUNDERSTORM BECAUSE IT IS CAPABLE OF PRODUCING VERY HEAVY RAIN..SMALL HAIL AND GUSTY WINDS. STAY TUNED TO NOAA WEATHER RADIO OR TO LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS.
Special weather statement, May 14, 2:12 PM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FT WORTH TX 213 PM CDT THU MAY 14 1987 AT 205 PM CDT...WEATHER SERVICE RADAR OBSERVED SCATTERED THUNDERSTORMS DEVELOPING THROUGHOUT PARTS OF NORTH CENTRAL AND NORTHEAST TEXAS INCLUDING THE DALLAS/FORT WORTH METROPLEX AREA. THESE THUNDERSTORMS WERE BEING TRIGGERED BY THE AFTERNOON HEATING WHICH LIFTED MOIST... UNSTABLE AIR OVER THE AREA. THUNDERSTORMS WERE OBSERVED BETWEEN DALLAS AND ROCKWALL AND BETWEEN MINERAL WELLS AND BRECKENRIDGE. THE STRONGEST THUNDERSTORM WAS LOCATED JUST NORTHEAST OF DALLAS. SOME OF THE STRONGER THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS LIGHTNING...BRIEF HEAVY RAIN AND POSSIBLY SMALL HAIL. BOATERS ON AREA LAKES SHOULD SEEK SAFE HARBOR AND MOVE ON SHORE. IF YOU OBSERVE THREATENING WEATHER IN YOUR AREA...TAKE SHELTER INDOORS. STAY TUNED FOR LATER STATEMENTS OR WARNINGS AS CONDITIONS WARRANT.
Special weather statement, May 14, 4:25 PM CDT, 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 420 PM CDT THU MAY 14 1987 ...THE SEVERE THUNDERSTORM WARNING FOR BELL COUNTY EXPIRED AT 400 PM CDT... AT 415 PM CDT RADAR CONTINUED TO SHOW INTENSE THUNDERSTORMS OVER SOUTHERN BELL COUNTY. THE THUNDERSTORMS WERE 15 MILES SOUTHWEST OF TEMPLE. EVEN THOUGH THE WARNING HAS EXPIRED..THESE THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING VERY HEAVY RAIN..GUSTY WINDS..SMALL HAIL AND DANGEROUS LIGHTNING. THERE HAVE BEEN SEVERAL REPORTS OF PEA SIZE HAIL FROM THE KILLEEN AND YOUNGSPORT AREAS. VERY STRONG THUNDERSTORMS WERE ALSO LOCATED OVER SOUTHERN FALLS COUNTY WEST AND NORTH OF ROSEBUD. THE FALLS COUNTY SHERIFF DEPARTMENT REPORTED PEA SIZE HAIL ON U.S. ROUTE 77 BETWEEN ROSEBUD AND LOTT IN THE LAST 15 MINUTES. THE THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT 8 MILES AN HOUR. PERSONS IN BELL AND FALLS COUNTIES SHOULD CONTINUE TO BE ALERT FOR THESE THUNDERSTORMS. DUE TO THE S@LOW MOVEMENT AND VERY HEAVY RAIN.. FLASH FLOODING OF LOW LYING AND FLOOD PRONE AREAS IS ALSO POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR TO LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 7:42 PM CDT | Severe Thunderstorm Warning | FWD | Knox | 63 min |
| May 14, 12:07 AM CDT | Severe Thunderstorm Warning | FWD | Eastland | 53 min |
| May 14, 5:30 AM CDT | Flash Flood Warning | FWD | Eastland, Stephens | 3 hr |
| May 14, 1:51 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 54 min |
| May 14, 2:16 PM CDT | Severe Thunderstorm Warning | FWD | Rockwall | 59 min |
| May 14, 3:06 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 54 min |
| May 14, 3:55 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Cooke, Denton | 65 min |
| May 14, 4:54 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Denton | 66 min |
| May 14, 4:54 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 66 min |
| May 14, 5:14 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 61 min |
| May 14, 5:28 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 62 min |
| May 14, 5:48 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 57 min |
| May 14, 5:57 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 63 min |
Nearby
Flash Flood Warnings in Texas, 1987Every flash flood warning in 1987
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.