Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 45, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Apr 16, 1990, 12:20 AM CDT for Collin County, Dallas County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1990, 12:20 AM CDT (05:20 UTC)
- Expired
- Apr 16, 1990, 4:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
Counties Collin County, TX, Dallas 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 00:00Z, 5.3 hours before the alert went out and 158 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
- 1880 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1555 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFTW 160521 FFWFTW TXC085-113-160915- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 1220 AM CDT MON APR 16 1990 THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL TEXAS ...SOUTHERN COLLIN COUNTY...DALLAS COUNTY AT 1214 AM CDT NUMEROUS CREEKS IN THE SOUTHERN PART OF COLLIN AND EASTERN PAST OF DALLAS COUNTIES WERE BEGINNING TO RISE ABOVE BANKFULL. ALTHOUGH THE RAINS HAVE ENDED IN COLLIN COUNTY...THUNDERSTORMS CONTINUE IN DALLAS COUNTY. DUCK CREEK IN GARLAND IS REPORTED OUT OF BANKS AND RISING RAPIDLY. REPORTS FROM THE DUCK CREEK AREA INDICATE SEVERAL HOMES MAY ALREADY BE PARTIALLY UNDER WATER. WITH RAIN CONINUING TO FALL IN THIS AREA FOR THE NEXT HOUR OR SO...FLOODING CAN BE EXPECTED TO WORSEN. IN COLLIN COUNTY...HEAVY RAINS HAVE ABATED...BUT WATERS WILL CONTINUE TO RISE WITH HEAVY RUNOFF. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. 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, Apr 15, 9:50 PM CDT, 2 hours 30 minutes before
TXZ031-160345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 940 PM CDT SUN APR 15 1990 ...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF NORTH AND CENTRAL TEXAS INCLUDING THE FOLLOWING COUNTIES...BOSQUE...HILL...MCLENNAN... CORYELL...AND LIMESTONE COUNTIES... AT 935 PM CDT RADAR SHOWED STRONG THUNDERSTORMS BETWEEN STEPHENVILLE AND COLEMAN MOVING MOSTLY EAST AROUND 25 MPH. SOME OF THESE STORMS COULD MOVE INTO BOSQUE COUNTY DURING THE NEXT ONE TO TWO HOURS. OTHER STRONG THUNDERSTORMS WERE IN PROGRESS NORTH OF THE DALLAS/ FORT WORTH METROPLEX. PERSONS IN MCLENNAN AND SURROUNDING COUNTIES SHOULD BE ALERT FOR DEVELOPING SEVERE WEATHER DURING THE NEXT FEW HOURS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 15, 10:54 PM CDT, 1 hour 26 minutes before
TXZ031-160500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 1052 PM CDT SUN APR 15 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 300 AM CDT FOR BOSQUE..HILL.. MCLENNAN..CORYELL AND LIMESTONE COUNTIES OF CENTRAL TEXAS... AT 1045 PM CDT THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE LOCATED IN NORTHERN BOSQUE COUNTY...MOVING SOUTHEAST 30 MPH. OTHERWISE...STRONG THUNDERSTORMS WERE LOCATED FROM DALLAS..NORTHEAST ...AND WEST OF HAMILTO@N COUNTY NEAR COMANCHE...ALSO MOVING SOUTHEAST 30 MPH. PERSONS IN CENTRAL TEXAS SHOULD KEEP ALERT TO CHANGING CONDITIONS AND STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR ADVISORIES.
Special weather statement, Apr 15, 11:44 PM CDT, 36 minutes before
TXZ031-160545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 1142 PM CDT SUN APR 15 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 300 AM CDT FOR BOSQUE..HILL.. MCLENNAN..CORYELL AND LIMESTONE COUNTIES OF CENTRAL TEXAS... AT 1135 PM CDT THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE LOCATED IN BOSQUE..HILL AND CORYELL COUNTIES...MOVING TO THE SOUTHEAST 30 MPH. BY 1230 AM CDT THESE STORMS SHOULD BE IN NORTHEAST MCLENNAN... NORTHERN sLIMESTONE AND EXTREME EASTERN CORYELL COUNTIES. PERSONS IN THE MENTIONED AREAS SHOULD KEEP ALERT TO CHANGING CONDITIONS. STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR ADVISORIES.
Special weather statement, Apr 15, 11:45 PM CDT, 35 minutes before
TXZ021-022-025-026-027-160515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1145 PM CDT SUN APR 15 1990 A TORNADO WATCH CONTINUES IN EFFECT FOR THE CENTRAL AND SOUTHERN PORTIONS OF NORTH CENTRAL TEXAS UNTIL 3 AM AND INCLUDES THE DALLAS/FORTH METROPLEX. AT 1140 PM RADAR CONTINUED TO INDICATE A CLUSTER OF THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL COVERING EASTERN DALLAS COUNTY...AND MOST OF ROCKWALL...COLLIN...KAUFMAN AND SOUTHERN HUNT COUNTIES. ANOTHER AREA OF RAIN WITH EMBEDDED THUNDERSTORMS COVERED MOST OF THE SOUTHWESTERN PORTION OF NORTH CENTRAL TEXAS FROM CLEBURNE TO COMANCHE. THE STORMS WERE MOVING SLOWLY TOWARDS THE EAST SOUTHEAST. ALTHOUGH NO ADDITIONAL SEVERE WEATHER HAS BEEN REPORTED WITH THE STORMS OVER NORTH CENTRAL TEXAS...THE STORMS ARE STILL CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS...FREQUENT LIGHTNING AND VERY HEAVY RAINS. THE STORMS CONTINUED wTO DECREASE IN COVERAGE AND INTENSITY AS THE ATMOSPHERE OVER NORTH CENTRAL TEXAS COOLS IN THE ABSENCE OF DAYTIME HEATING. STAY TUNED TO NOAA RADIO...LOCAL RADIO OR TELEVISION 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 15, 7:03 PM CDT | Tornado Warning | FWD | Cooke | 57 min |
| Apr 15, 7:23 PM CDT | Severe Thunderstorm Warning | FWD | Throckmorton | 67 min |
| Apr 15, 7:47 PM CDT | Severe Thunderstorm Warning | FWD | Archer, Young | 58 min |
| Apr 15, 7:56 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 64 min |
| Apr 15, 8:05 PM CDT | Severe Thunderstorm Warning | FWD | Callahan | 55 min |
| Apr 15, 8:14 PM CDT | Severe Thunderstorm Warning | FWD | Taylor | 61 min |
| Apr 15, 8:34 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 56 min |
| Apr 15, 8:52 PM CDT | Severe Thunderstorm Warning | FWD | Archer, Clay, Jack, Young | 63 min |
| Apr 15, 9:08 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 67 min |
| Apr 15, 9:23 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Hunt | 67 min |
| Apr 15, 9:23 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 67 min |
| Apr 15, 9:40 PM CDT | Severe Thunderstorm Warning | FWD | Wise | 65 min |
| Apr 15, 9:42 PM CDT | Severe Thunderstorm Warning | FWD | Mitchell | 63 min |
| Apr 15, 9:44 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 46 min |
| Apr 15, 10:02 PM CDT | Severe Thunderstorm Warning | FWD | Denton | 58 min |
| Apr 15, 10:45 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 45 min |
| Apr 16, 12:43 AM CDT | Flash Flood Warning | FWD | Kaufman | 4 hr |
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.