Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 14, NWS Austin/San Antonio, TX

March 22, 2003Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Mar 22, 2003, 2:26 PM CST for Real 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
Mar 22, 2003, 2:26 PM CST (20:26 UTC)
Expired
Mar 22, 2003, 5:30 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.4 hours before the alert went out and 111 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2003-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2003-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 222027
FFWSAT
TXC385-222330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
226 PM CST SAT MAR 22 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  REAL

* UNTIL 530 PM CST

* AT 226 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  8 MILES NORTHWEST OF LEAKEY...MOVING SOUTHEAST AT 10 MPH.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

LAT...LON 2989 9989 2984 9962 2964 9962 2963 9976
          2976 9996

$$
3 follow-up statements
000 
WGUS74 KEWX 222045
FFSSAT
TXC385-222245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
243 PM CST SAT MAR 22 2003

...A FLASH FLOOD WARNING CONTINUES FOR REAL COUNTY UNTIL 530 PM
CST...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS 
PRODUCING VERY HEAVY RAINFALL NEAR LEAKEY.  RAINFALL RATES REMAIN 
NEAR ONE INCH AN HOUR.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND
ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$
000 
WGUS74 KEWX 222136
FFSSAT
TXC385-222330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
335 PM CST SAT MAR 22 2003

...A FLASH FLOOD WARNING CONTINUES FOR REAL COUNTY UNTIL 530 PM
CST...

THE HEAVY RAINS HAVE MOVES INTO SOUTHERN REAL COUNTY.  RAINFALL 
RATES ESTIMATE BY DOPPLER RADARS REMAIN NEAR ONE INCH AN HOUR. 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND
ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$
000 
WGUS74 KEWX 222200
FFSSAT
TXC385-230000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
400 PM CST SAT MAR 22 2003

...THE FLASH FLOOD WARNING FOR REAL COUNTY HAS BEEN CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS
ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 12:15 AM CSTSevere Thunderstorm WarningEWXKinney, Val Verde60 min
Mar 22, 2:29 PM CSTFlash Flood WarningEWXKerr3 hr
Mar 22, 3:37 PM CSTFlash Flood WarningEWXBandera, Medina3 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.