Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 189, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 29, 2002, 5:11 PM CDT for Val Verde 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
- Jul 29, 2002, 5:11 PM CDT (22:11 UTC)
- Expired
- Jul 29, 2002, 8:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.2 hours before the alert went out and 218 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
- 3934 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 895 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 228 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 KEWX 292211
FFWSAT
TXC465-300100-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
510 PM CDT MON JUL 29 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
VAL VERDE
* UNTIL 800 PM CDT
* AT 510 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
OVER NORTHERN VAL VERDE COUNTY AFFECTING THE COMMUNITIES OF JUNO
AND PANDALE. THESE STORMS A MOVING SLOWLY SOUTHEAST AT 15 MPH.
RAINFALL RATES UP TO 3 INCHES PER HOUR CAN EXPECTED WITH THESE
STORMS. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING
OF SMALL CREEKS AND STREAMS...NORMALLY DRY WASHES AND ARROYOS...AND
LOW WATER CROSSING. AREAS ALONG THE DRY DEVILS RIVER AND ITS
TRIBUTARIES... INCLUDING HIGHWAYS 183 AND FM 189 NEAR AND TO THE
NORTH OF JUNO...ARE MOST LIKELY TO EXPERIENCE FLASH FLOODING.
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 3028 10112 3027 10165 3010 10171 2997 10073
3029 100712 follow-up statements
000 WGUS74 KEWX 292318 FFSSAT TXC137-465-300100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 617 PM CDT MON JUL 29 2002 ...A FLASH FLOOD WARNING CONTINUES FOR EDWARDS AND VAL VERDE COUNTIES UNTIL 800 PM CDT... AT 617 PM...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS FROM COMSTOCK TO JUNCTION...MOVING SOUTHEAST AT AROUND 20 MPH TOWARD THE CITIES OF DEL RIO AND ROCKSPRINGS. THESE STORMS WILL REACH THE ROCKSPRINGS AREA BY 630 PM AND THE DEL RIO AREA BY 7 PM. ADDITIONAL STRONG THUNDERSTORMS OVER TERRELL COUNTY MAY MOVE EAST INTO WESTERN VAL VERDE COUNTY LATER THIS EVENING. RADAR ESTIMATED VERY HEAVY RAINFALL RATES OF 3 INCHES PER HOUR WITH THE STRONGER STORMS. STORM TOTALS IN EXCESS OF 4 INCHES WERE ESTIMATED OVER EXTREME NORTHEAST VAL VERDE COUNTY AND EXTREME NORTHERN EDWARDS COUNTY. EXPECT FLOODING OF LOW WATER CROSSINGS OVER THE DEVILS...DRY DEVILS AND SOUTH LLANO RIVERS AND THEIR TRIBUTARIES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
000 WGUS74 KEWX 300017 FFSSAT TXC137-465-300100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 717 PM CDT MON JUL 29 2002 ...A FLASH FLOOD WARNING CONTINUES FOR EDWARDS AND VAL VERDE COUNTIES UNTIL 800 PM CDT... AT 717 PM...DOPPLER RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS COVERING MUCH OF VAL VERDE AND EDWARDS COUNTIES... MOVING SOUTHEAST AT AROUND 20 MPH. THESE STORMS ARE BECOMING LESS INTENSE BUT ARE STILL PRODUCING RAINFALL RATES OF 1 TO 2 INCHES PER HOUR. MODERATE RAINS CONTINUE TO FALL OVER NORTHEASTERN VAL VERDE AND NORTHERN EDWARDS COUNTIES WHERE STORM TOTAL ESTIMATES HAVE REACHED 5 INCHES IN SPOTS. ADDITIONAL RAINFALL AMOUNTS THROUGH 8 PM SHOULD BE LESS THAN 1/4 INCH. MEANWHILE...THE STRONGEST STORMS ARE SHIFTING SOUTH ACROSS SOUTHERN PORTIONS OF VAL VERDE AND EDWARDS COUNTIES WITH 1 TO 2 INCHES OF RAINFALL POSSIBLE. AREAS MOST LIKELY TO SEE FLOODING THROUGH 8 PM WILL BE ALONG THE DEVILS...DRY DEVILS...AND SOUTH LLANO RIVERS AND THEIR TRIBUTARIES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 5:51 PM CDT | Flash Flood Warning | EWX | Edwards | 2 hr |
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.