Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 30, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 16, 2002, 6:12 PM CDT for Hidalgo 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 as issued.
The facts
- Issued
- Sep 16, 2002, 6:12 PM CDT (23:12 UTC)
- Expired
- Sep 16, 2002, 9:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 79 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 82 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
- 1566 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KBRO 162312 FFWBRO TXC215-170200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 607 PM CDT MON SEP 16 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 900 PM CDT * AT 606 PM CDT...NATIONAL WEATHER SERVICE RADAR IN BROWNSVILLE SHOWED A LINE OF SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAIN 10 MILES EAST OF EDINBURG AND MCALLEN DRIFTING SLOWLY WEST. DOPPLER RADAR ESTIMATES FROM TWO TO THREE INCHES OF RAIN IS BEING PRODUCED BY THESE THUNDERSTORMS. * SLOW MOVING 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 FLASH FLOODING INCLUDE...WESLACO...SAN JUAN...PHARR...MISSION...MCALLEN AND EDINBURG. THIS AREA HAS ALREADY RECEIVED COPIOUS RAINFALL FROM STORMS YESTERDAY...WITH LITTLE RAINFALL NECESSARY FOR FLOODING AND FLASH FLOODING. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. LAT...LON 2594 9788 2642 9793 2662 9836 2626 9858 PHILO
1 follow-up statement
000 WGUS74 KBRO 170023 FFSBRO TXC215-170200- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 710 PM CDT MON SEP 16 2002 ...THE FLASH FLOOD WARNING FOR HIDALGO COUNTY HAS BEEN CANCELED... ...THE FLASH FLOOD WATCH FOR HIDALGO HAS BEEN CANCELED... AT 709 PM CDT...RADAR INDICATED THAT SHOWERS AND THUNDERSTORMS OVER HIDALGO COUNTY HAVE DECREASED IN INTENSITY AND AREAL COVERAGE NOW. DISSIPATION IS EXPECTED MOMENTARILY. ALSO...AN AGGRESSIVE AREA OF CONVECTION JUST SOUTH OF HIDALGO COUNTY...OVER ADJACENT MEXICO...IS QUICKLY DISSIPATING. BOTH THE FLASH FLOOD WARNING AND WATCH FOR HIDALGO COUNTY HAVE BEEN CANCELED. MANY ROADS OVER SOUTHERN HIDALGO COUNTY WILL CONTINUE TO BE HAZARDOUS FOR DRIVING...AS PONDING AND FLOODING PERSISTS THIS EVENING. CONTINUE TO DRIVE WITH CARE IN THESE AREAS. ADDITIONAL RAINFALL IS POSSIBLE OVER THE RIO GRANDE VALLEY TONIGHT THROUGH TUESDAY...AND FLOOD WARNINGS MAY BE NECESSARY IF CONVECTION DEVELOPS IN AREAS ALREADY SATURATED BY HEAVY RAINS. FOR THE LATEST WEATHER INFORMATION CHECK OUT YOUR BROWNSVILLE NATIONAL WEATHER SERVICE WEBSITE AT WWW.SRH.NOAA.GOV/BRO OR LISTEN TO NOAA WEATHER RADIO. PHILO/WATKINS
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 8:52 PM CDT | Special Marine Warning | BRO | 38 min | |
| Sep 16, 7:56 AM CDT | Flash Flood Warning | BRO | Starr | 3 hr |
| Sep 16, 4:43 PM CDT | Special Marine Warning | BRO | 77 min | |
| Sep 16, 5:52 PM CDT | Special Marine Warning | BRO | 38 min |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.