Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 15, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 9, 2002, 4:21 PM CDT for Hidalgo County, Texas. It was in force for 114 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 9, 2002, 4:21 PM CDT (21:21 UTC)
- Expired
- Sep 9, 2002, 6:15 PM CDT
- In force
- 114 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), 74 km from the middle of the area, began a volume at 21:21 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, 9.4 hours before the alert went out and 77 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
- 510 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -35 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 092121 FFWBRO TXC215-092315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 420 PM CDT MON SEP 9 2002 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 615 PM CDT * AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL ALONG A LINE EXTENDING FROM EDINBURG TO HIDALGO IN HIDALGO COUNTY. THESE STORMS WERE NEARLY STATIONARY. DOPPLER RADAR ESTIMATED THAT FROM 3 TO 5 INCHES OF RAIN HAVE FALLEN OVER SOUTHEASTERN HIDALGO COUNTY 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. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...WESLACO...SAN JUAN...PHARR...MERCEDES...EDINBURG AND DONNA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. LAT...LON 2631 9822 2608 9825 2604 9788 2627 9788 $$ SPEECE
1 follow-up statement
000 WGUS74 KBRO 092236 FFSBRO TXC215-092315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 530 PM CDT MON SEP 9 2002 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT UNTIL UNTIL 615 PM FOR SOUTHEASTERN HIDALGO COUNTY HAS BEEN CANCELLED... AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN BROWNSVILLE INDICATED THAT THE HEAVY RAIN PRODUCING THUNDERSTORMS OVER SOUTHEASTERN HIDALGO COUNTY HAVE MOVED TO THE SOUTH AND EAST OUT OF THE COUNTY. ACCORDINGLY...THE FLASH FLOOD WARNING FOR SOUTHEASTERN HIDALGO COUNTY HAS BEEN CANCELLED. HOWEVER...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS UNTIL TUESDAY MORNING. $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 8:36 PM CDT | Special Marine Warning | BRO | 114 min | |
| Sep 8, 8:36 PM CDT | Special Marine Warning | BRO | 114 min | |
| Sep 8, 9:32 PM CDT | Severe Thunderstorm Warning | BRO | Brooks | 58 min |
| Sep 9, 2:42 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Kenedy, Willacy | 48 min |
| Sep 9, 2:51 PM CDT | Flash Flood Warning | BRO | Kenedy | 3 hr |
| Sep 9, 3:58 PM CDT | Flash Flood Warning | BRO | Kenedy | 107 min |
| Sep 9, 5:00 PM CDT | Special Marine Warning | BRO | 3 hr | |
| Sep 9, 5:33 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 42 min |
| Sep 9, 5:52 PM CDT | Flash Flood Warning | BRO | Cameron | 113 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.