Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 18, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 25, 2003, 5:46 PM CST for Kendall 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 25, 2003, 5:46 PM CST (23:46 UTC)
- Expired
- Mar 25, 2003, 9:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 83 km from the middle of the area, began a volume at 23:50 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
Del Rio, TX (KDRT), launched 12:00Z, 11.8 hours before the alert went out and 203 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
- 1059 J/kg
- Mixed-layer CIN
- -217 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 252349 FFWSAT TXC259-260300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 546 PM CST TUE MAR 25 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... KENDALL * UNTIL 900 PM CST * AT 544 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 3 MILES EAST OF COMFORT...MOVING EAST AT 10 MPH. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE... 5 MILES NORTHWEST OF SISTERDALE AT 555 PM BLOCK CREEK BETWEEN HIGHWAY 87 AND HIGHWAY 473 WILL BE RISING. LOW WATER CROSSINGS WILL ALSO BE FLOODED. FM1888 WILL ALSO BE SUBJECT TO FLOODING. 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. LAT...LON 2985 9895 2976 9881 3012 9862 3011 9891 $$
2 follow-up statements
000 WGUS74 KEWX 260023 FFSSAT TXC259-260115- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 621 PM CST TUE MAR 25 2003 ...A FLASH FLOOD WARNING CONTINUES FOR KENDALL COUNTY UNTIL 900 PM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL LOCATED FROM INTERSTATE 10 EASTWARD TO SISTERDALE. MOVEMENT IS SOUTHEAST AT 10 TO 15 MPH. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 260212 FFSSAT TXC171-259-260315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 811 PM CST TUE MAR 25 2003 ...THE FLASH FLOOD WARNING FOR GILLESPIE AND KENDALL COUNTIES HAS BEEN CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL HAS ENDED ACROSS THE WARNED AREA...AND THE FLOOD THREAT HAS DIMINISHED. 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 5:01 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 59 min |
| Mar 25, 5:08 PM CST | Severe Thunderstorm Warning | EWX | Bandera | 52 min |
| Mar 25, 5:13 PM CST | Severe Thunderstorm Warning | EWX | Uvalde | 62 min |
| Mar 25, 5:18 PM CST | Severe Thunderstorm Warning | EWX | Gillespie | 42 min |
| Mar 25, 5:27 PM CST | Severe Thunderstorm Warning | EWX | Blanco | 63 min |
| Mar 25, 5:32 PM CST | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Mar 25, 5:37 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 53 min |
| Mar 25, 5:51 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 54 min |
| Mar 25, 5:58 PM CST | Severe Thunderstorm Warning | EWX | Kendall | 62 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.