Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 36, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 21, 2003, 4:30 PM CDT for Kenedy County, Willacy County, Texas. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2003, 4:30 PM CDT (21:30 UTC)
- Expired
- Sep 21, 2003, 6:00 PM CDT
- In force
- 90 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
Counties Kenedy County, TX, Willacy County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 9.5 hours before the alert went out and 90 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
- 1577 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 212133
FFWBRO
TXC261-489-212300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
430 PM CDT SUN SEP 21 2003
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WILLACY COUNTY IN DEEP SOUTH TEXAS
SOUTHERN KENEDY COUNTY IN DEEP SOUTH TEXAS
* UNTIL 600 PM CDT
* AT 427 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND THUNDERSTORMS CONTAINING HEAVY RAINFALL MOVING INTO
THE WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL RATES UP TO ONE
AND ONE HALF INCHES PER HOUR WAS CURRENTLY OCCURRING WHERE THE
RAIN WAS FALLING.
* HEAVY SHOWERS AND A FEW THUNDERSTORMS ARE PRODUCING TORRENTIAL
RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL
WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL
EXPERIENCE FLOODING INCLUDE...RAYMONDVILLE...AND LYFORD.
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BROWNSVILLE.
LAT...LON 2709 9757 2641 9740 2636 9749 2635 9766
2636 9785 2645 9786 2648 9798 2662 9793
2664 9799 2676 9797 2701 9798
$$1 follow-up statement
000
WGUS74 KBRO 212259
FFSBRO
TXC261-489-212330-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
559 PM CDT SUN SEP 21 2003
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN WILLACY AND
SOUTHERN KENEDY COUNTIES HAS BEEN ALLOWED TO EXPIRE...
RAINFALL IS DECREASING IN INTENSITY AND EXCESS RUNOFF FROM HEAVY
RAIN HAS ENDED OVER THE WARNED AREA. IF FLOODING HAS BEEN
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 2692 9751 2664 9750 2661 9777 2635 9782
2636 9786 2645 9787 2647 9797 2688 9798
$$The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:40 AM CDT | Flash Flood Warning | BRO | Cameron | 110 min |
| Sep 21, 9:15 AM CDT | Flash Flood Warning | BRO | Cameron, Kenedy, Willacy | 2 hr |
| Sep 21, 1:30 PM CDT | Flash Flood Warning | BRO | Starr | 3 hr |
| Sep 21, 2:42 PM CDT | Flash Flood Warning | BRO | Hidalgo | 108 min |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003
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.