Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 22, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 18, 2003, 4:53 PM CDT for Hidalgo County, Texas. It was in force for 67 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 18, 2003, 4:53 PM CDT (21:53 UTC)
- Expired
- Sep 18, 2003, 6:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 113 km from the middle of the area, began a volume at 21:56 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
Brownsville Intl, TX (KBRO), launched 12:00Z, 9.9 hours before the alert went out and 115 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
- 2428 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 19 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 182155
FFWBRO
TXC215-182300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
453 PM CDT THU SEP 18 2003
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS
* UNTIL 600 PM CDT
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. TURN AROUND DONT DROWN. 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 2627 9860 2621 9841 2643 9830 2678 9799
2680 9834
$$
VANSPEYBROECK1 follow-up statement
000 WGUS74 KBRO 182242 FFSBRO TXC215-182300- FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 537 PM CDT THU SEP 18 2003 ...A FLASH FLOOD WARNING IS IN EFFECT FOR WESTERN AND NORTHERN HIDALGO COUNTY UNTIL 6 PM CDT... SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL CONTINUE ACROSS MOST OF WESTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS. NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES RAINFALL AMOUNTS RANGING FROM 2 TO 4 INCHES NEAR THE CITIES OF MCCOOK AND SULLIVAN CITY. ANOTHER AREA OF HEAVY RAINFALL WAS LOCATED ALONG U.S. HIGHWAY 281 IN NORTHERN HIDALGO COUNTY. SHOWERS AND THUNDERSTORMS WILL DIMINISH OVER DEEP SOUTH TEXAS TONIGHT. HOWEVER ADDITIONAL SHOWERS AND THUNDERSTORMS ARE LIKELY TO DEVELOP ACROSS THE RIO GRANDE VALLEY FRIDAY AS DAYTIME HEATING WILL SPARK AFTERNOON THUNDERSTORM. REMEMBER...NEVER DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH. TURN AROUND...DONT DROWN. FOR THE LATEST WEATHER INFORMATION LISTEN TO YOUR LOCAL NOAA WEATHER RADIO BROADCAST. $$ VANSPEYBROECK
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 3:18 PM CDT | Flash Flood Warning | BRO | Cameron | 2 hr |
| Sep 18, 4:22 PM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 3 hr |
| Sep 18, 5:53 PM CDT | Flash Flood Warning | BRO | Hidalgo | 67 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; radar from the NEXRAD Level II archive.