Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 20, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 18, 2003, 3:18 PM CDT for Cameron County, Texas. It was in force for 2 hr. 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, 3:18 PM CDT (20:18 UTC)
- Expired
- Sep 18, 2003, 5:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 37 km from the middle of the area, began a volume at 20:17 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, 8.3 hours before the alert went out and 39 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 182104 CCA FFWBRO TXC061-182230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING...CORRECTED FOR WORDING NATIONAL WEATHER SERVICE BROWNSVILLE TX 318 PM CDT THU SEP 18 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS * UNTIL 530 PM CDT * AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS EASTERN CAMERON COUNTY. DOPPLER RADAR ESTIMATED NEARLY 3 INCHES OF RAIN HAS FALLEN NEAR BAYVIEW DURING THE PAST HOUR. * SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR...ESPECIALLY IN BAYVIEW. 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. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 2638 9741 2618 9725 2609 9755 2622 9755 $$ PHILO
2 follow-up statements
000 WGUS74 KBRO 182044 FFSBRO TXC061-182230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 341 PM CDT THU SEP 18 2003 ...FLASH FLOOD WARNING CONTINUES UNTIL 530 PM CDT FOR NORTHEASTERN CAMERON COUNTY... AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER BAYVIEW...IN THE EASTERN PORTIONS OF CAMERON COUNTY. THESE THUNDERSTORMS WERE SLOWLY DRIFTING NORTH. DOPPLER RADAR ESTIMATED FROM 2 TO 3 INCHES OF RAINFALL FROM THESE EACH HOUR. SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... LAGUNA VISTA AND BAYVIEW. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 2646 9722 2605 9726 2604 9745 2642 9757 $$ PHILO
000 WGUS74 KBRO 182111 CCA FFSBRO TXC061-182230- FLASH FLOOD STATEMENT...CORRECTED FOR WORDING NATIONAL WEATHER SERVICE BROWNSVILLE TX 341 PM CDT THU SEP 18 2003 ...FLASH FLOOD WARNING CONTINUES UNTIL 530 PM CDT FOR NORTHEASTERN CAMERON COUNTY... AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER BAYVIEW...IN EASTERN CAMERON COUNTY. THESE THUNDERSTORMS WERE SLOWLY DRIFTING NORTH. DOPPLER RADAR ESTIMATED FROM 2 TO 3 INCHES OF RAINFALL FROM THESE EACH HOUR. SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... LAGUNA VISTA AND BAYVIEW. 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 2646 9722 2605 9726 2604 9745 2642 9757 $$ PHILO
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 4:22 PM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 3 hr |
| Sep 18, 4:53 PM CDT | Flash Flood Warning | BRO | Hidalgo | 67 min |
| 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.