Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 1, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Mar 15, 2003, 12:00 PM CST for Cameron County, Hidalgo County, Willacy 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
- Mar 15, 2003, 12:00 PM CST (18:00 UTC)
- Expired
- Mar 15, 2003, 2:00 PM CST
- In force
- 2 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 57 km from the middle of the area, began a volume at 18:03 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, 6.0 hours before the alert went out and 59 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
- 1262 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KBRO 151801 FFWBRO TXC061-215-489-152000- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1200 PM CST SAT MAR 15 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS SOUTHERN WILLACY COUNTY IN DEEP SOUTH TEXAS SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 200 PM CST * AT 1158 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATES THAT FROM 2 TO 4 INCHES OF RAINFALL HAVE OCCURRED WITHIN THE WARNED AREA SINCE 11 AM THIS MORNING. * 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 FLOODING INCLUDE...WESLACO...MERCEDES...LA FERIA...HARLINGEN...ELSA... EDCOUCH...DONNA...SEBASTIAN...SCISSORS...SANTA ROSA...RIO HONDO AND PROGRESO. 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 2605 9810 2602 9771 2641 9748 2644 9807 $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 11:21 AM CST | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo | 54 min |
| Mar 15, 11:55 AM CST | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 65 min |
| Mar 15, 12:21 PM CST | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Kenedy, Willacy | 54 min |
| Mar 15, 1:09 PM CST | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 51 min |
| Mar 15, 1:22 PM CST | Special Marine Warning | BRO | 113 min | |
| Mar 15, 1:22 PM CST | Special Marine Warning | BRO | 113 min | |
| Mar 15, 3:23 PM CST | Special Marine Warning | BRO | 52 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.