Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 49, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Oct 12, 2003, 10:21 AM CDT for Cameron 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
- Oct 12, 2003, 10:21 AM CDT (15:21 UTC)
- Expired
- Oct 12, 2003, 1:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Cameron County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 3.4 hours before the alert went out and 36 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
- 1107 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 121526
FFWBRO
TXC061-121830-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1021 AM CDT SUN OCT 12 2003
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CAMERON COUNTY IN DEEP SOUTH TEXAS
* UNTIL 130 PM CDT
* AT 1025 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL FORMING UP ALONG
THE CAMERON AND WILLACY COUNTY LINE. THESE STORMS ARE MOVING
NORTHEAST AT AROUND 20 MPH AND WILL PRODUCE RAINFALL RATES UP TO
ONE INCH AN HOUR THROUGH 1 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...PORT
ISABEL...SAN BENITO...LA FERIA...HARLINGEN...BROWNSVILLE...SOUTH
PADRE ISLAND...SANTA ROSA...RIO HONDO...RANCHO VIEJO...LOS
FRESNOS...LAGUNA VISTA AND LAGUNA HEIGHTS.
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 2645 9721 2605 9714 2586 9741 2602 9786
2636 9789 2631 9758
$$
SPEECE2 follow-up statements
000 WGUS74 KBRO 121633 FFSBRO TXC061-121730- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1129 AM CDT SUN OCT 12 2003 ...A FLASH FLOOD WARNING CONTINUES UNTIL 130 PM CDT FOR CAMERON COUNTY... AT 1127 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS WESTERN CAMERON COUNTY OVER HARLINGEN...SAN BENITO AND RIO HONDO. THESE STORMS ARE MOVING NORTHEAST AT AROUND 20 MPH AND WILL CONTINUE TO PRODUCE RAINFALL AMOUNTS FROM ONE TO THREE INCHES AN HOUR OVER CAMERON COUNTY THROUGH 130 PM. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR... ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...PORT ISABEL...SAN BENITO...LA FERIA...HARLINGEN...BROWNSVILLE...SOUTH PADRE ISLAND... SANTA ROSA...RIO HONDO...RANCHO VIEJO...LOS FRESNOS...LAGUNA VISTA AND LAGUNA HEIGHTS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$ SPEECE
000 WGUS74 KBRO 121826 FFSBRO TXC061-121830- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 120 PM CDT SUN OCT 12 2003 ...A FLASH FLOOD WARNING CONTINUES UNTIL 130 PM CDT FOR CAMERON COUNTY... AT 120 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS CENTRAL AND NORTHEASTERN CAMERON COUNTIES. THESE STORMS ARE NEARLY STATIONARY AND ARE PRODUCING RAINFALL AMOUNTS FROM 2 TO 3 INCHES AN HOUR. 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...BROWNSVILLE...LOS FRESNOS...AND BAYVIEW. MOST 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. $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 1:58 AM CDT | Flash Flood Warning | BRO | Jim Hogg, Starr, Zapata | 3 hr |
| Oct 12, 3:19 AM CDT | Flash Flood Warning | BRO | Brooks | 3 hr |
| Oct 12, 4:48 AM CDT | Flash Flood Warning | BRO | Jim Hogg, Starr, Zapata | 3 hr |
| Oct 12, 5:20 AM CDT | Flash Flood Warning | BRO | Hidalgo | 3 hr |
| Oct 12, 5:23 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 37 min |
| Oct 12, 6:00 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 45 min |
| Oct 12, 6:08 AM CDT | Flash Flood Warning | BRO | Brooks | 3 hr |
| Oct 12, 7:29 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 46 min |
| Oct 12, 7:38 AM CDT | Tornado Warning | BRO | Hidalgo | 52 min |
| Oct 12, 8:10 AM CDT | Flash Flood Warning | BRO | Brooks, Hidalgo, Jim Hogg, Starr, Zapata | 3 hr |
| Oct 12, 8:51 AM CDT | Severe Thunderstorm Warning | BRO | Brooks, Kenedy | 39 min |
| Oct 12, 9:52 AM CDT | Flash Flood Warning | BRO | Kenedy, Willacy | 3 hr |
| Oct 12, 1:34 PM CDT | Flash Flood Warning | BRO | Cameron | 3 hr |
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.