Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 49, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at May 25, 1999, 11:17 PM CDT for Dallas County, Kaufman County, Rockwall County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 25, 1999, 11:17 PM CDT (04:17 UTC)
- Expired
- May 26, 1999, 2:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Dallas County, TX, Kaufman County, TX, Rockwall County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 75 km from the middle of the area, began a volume at 04:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 4.3 hours before the alert went out and 73 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
- 1344 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1377 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFWD 260422
FFWFTW
TXC113-257-397-260715-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1117 PM CDT TUE MAY 25 1999
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
DALLAS COUNTY IN NORTH CENTRAL TEXAS
KAUFMAN COUNTY IN NORTH CENTRAL TEXAS
ROCKWALL COUNTY IN NORTH CENTRAL TEXAS
* UNTIL 215 AM CDT
* AT 1117 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN OVER NORTHERN DALLAS COUNTY...EXTENDING EAST INTO NORTHERN
KAUFMAN COUNTY. IN ADDITION...ANOTHER AREA OF THUNDERSTORMS IN TARRANT
COUNTY WILL BE MOVING INTO DALLAS COUNTY BY MIDNIGHT. DOPPLER RADAR
ESTIMATES BETWEEN TWO AND THREE INCHES OF RAIN HAVE FALLEN SINCE 900 PM
IN THE WARNING AREA. AN ADDITIONAL ONE TO THREE INCHES OF RAIN ARE
POSSIBLE BY 100 AM.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREANT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 3292 9697 3259 9694 3257 9649 3242 9640
3240 9617 3281 9612 3284 9631 3297 9630What 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
Local storm report, May 25, 6:23 PM CDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
623 PM CDT TUE MAY 25 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0555 PM HALTOM CITY TX .88 INCH HAIL
05/25/99 TARRANT NICKEL HAIL REPORTED BY
SPOTTER
0555 PM MALAKOFF TX 1.75 INCH HAIL
05/25/99 HENDERSON GOLFBALL HAIL REPORTED BY
P.D.Local storm report, May 25, 7:43 PM CDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
743 PM CDT TUE MAY 25 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0704 PM SACHSE TX 1 INCH HAIL
05/25/99 DALLAS
0718 PM WYLIE TX 1 INCH HAIL
05/25/99 COLLINLocal storm report, May 25, 7:43 PM CDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
743 PM CDT TUE MAY 25 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0704 PM SACHSE TX 1 INCH HAIL
05/25/99 DALLAS
0718 PM WYLIE TX 1 INCH HAIL
05/25/99 COLLINLocal storm report, May 25, 9:18 PM CDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
918 PM CDT TUE MAY 25 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0805 PM WILLS POINT TX .75 INCH HAIL
05/25/99 VAN ZANDT DIME SIZE HAIL IN WILLS
POINT REPORTED BY POLICE
DEPARTMENT
0833 PM GUNSIGHT TX WIND DAMAGE
05/25/99 STEPHENS POWER LINES DOWN NORTHWEST
OF GUNSIGHT REPORTED BY
BRECKENRIDGE POLICE
0837 PM EMORY TX .75 INCH HAIL
05/25/99 RAINS DIME SIZE HAIL JUST SOUTH
OF EMORY REPORDED BY
POLICE DEPARTMENT
0900 PM STRAWN TX 1.75 INCH HAIL
05/25/99 PALO PINTO GOLFBALL SIZE HAIL IN
STRAWN REPORTED BY STORM
SPOTTER
0908 PM STRAWN TX 2.75 INCH HAIL
05/25/99 PALO PINTO BASEBALL SIZE HAIL
REPORTED BY STORM SPOTTER
IN STRAWNLocal storm report, May 25, 10:29 PM CDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1029 PM CDT TUE MAY 25 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1000 PM DALLAS TX 1.25 INCH HAIL
05/25/99 DALLAS HALF DOLLAR SIZE HAIL
REPORTED BY STORM SPOTTERS
1010 PM MURCHISON TX .88 INCH HAIL
05/25/99 HENDERSON NICKEL SIZE HAIL REPORTED
IN MURCHISON BY STORM
SPOTTERThe office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:05 PM CDT | Severe Thunderstorm Warning | FWD | Collin | 55 min |
| May 25, 7:48 PM CDT | Severe Thunderstorm Warning | FWD | Henderson | 42 min |
| May 25, 7:52 PM CDT | Severe Thunderstorm Warning | FWD | Stephens | 53 min |
| May 25, 7:54 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 51 min |
| May 25, 8:21 PM CDT | Severe Thunderstorm Warning | FWD | Rains | 39 min |
| May 25, 8:38 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 52 min |
| May 25, 8:45 PM CDT | Flash Flood Warning | FWD | Van Zandt | 2 hr |
| May 25, 9:06 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 39 min |
| May 25, 9:09 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 66 min |
| May 25, 9:16 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 59 min |
| May 25, 9:49 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 41 min |
| May 25, 10:07 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman, Rockwall | 53 min |
| May 25, 10:18 PM CDT | Severe Thunderstorm Warning | FWD | Henderson | 42 min |
| May 25, 10:26 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 64 min |
| May 25, 10:35 PM CDT | Flash Flood Warning | FWD | Van Zandt | 3 hr |
| May 26, 2:00 AM CDT | Flash Flood Warning | FWD | Henderson | 2 hr |
| May 26, 3:20 AM CDT | Severe Thunderstorm Warning | FWD | Stephens | 40 min |
| May 26, 3:24 AM CDT | Severe Thunderstorm Warning | FWD | Young | 66 min |
| May 26, 3:38 AM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 67 min |
| May 26, 3:57 AM CDT | Severe Thunderstorm Warning | FWD | Jack | 63 min |
| May 26, 4:32 AM CDT | Severe Thunderstorm Warning | FWD | Parker, Wise | 43 min |
| May 26, 4:40 AM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 50 min |
| May 26, 5:09 AM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 61 min |
| May 26, 5:20 AM CDT | Severe Thunderstorm Warning | FWD | Parker | 30 min |
| May 26, 5:43 AM CDT | Flash Flood Warning | FWD | Dallas, Tarrant | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999
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; radar from the NEXRAD Level II archive.