Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 61, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 16, 2003, 1:52 PM CDT for Medina County, Texas. It was in force for 113 min. 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 16, 2003, 1:52 PM CDT (18:52 UTC)
- Expired
- Jul 16, 2003, 3:45 PM CDT
- In force
- 113 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 103 km from the middle of the area, began a volume at 18:51 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 6.9 hours before the alert went out and 175 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 24 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 161852
FFWSAT
TXC325-162045-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
152 PM CDT WED JUL 16 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
MEDINA
* UNTIL 345 PM CDT
* AT 152 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
OVER CASTROVILLE...MOVING NORTHWEST AT 25 MPH.
THIS STORM WILL MOVE OVER AREAS THAT HAVE ALREADY RECIEVED UP TO 5
INCHES OF RAIN SINCE TUESDAY AFTERNOON. THIS WILL CREATE RAPID RUNOFF
THAT WILL FLOOD 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.
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 2928 9907 2915 9881 2938 9879 2962 9903
2961 9942
$$What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 16, 7:00 AM CDT, 6 hours 52 minutes earlier.
Area forecast discussion, Jul 16, 7:00 AM CDT, 6 hours 52 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
700 AM CDT WED JUL 16 2003
RAIN BANDS ASSOCIATED WITH CLAUDETTE EXPECTED TO AFFECT THE AREA
THROUGH THE MORNING BECOMING SCATTERED AREAS OF RAIN EVOLVING IN
THE AFTERNOON. WILL GO FOR FLASH FLOOD WATCH THRU NOON FOR PARTS
OF SOUTH CENTRAL TEXAS AND HILL COUNTRY. SHOWERS EXPECTED TO
DIMINISH THIS EVENING OVER EAST PART OF AREA AND CONTINUE OVER
WESTERN PORTIONS OF SOUTH CENTRAL TEXAS THROUGH THE EVENING AND
TO EARLY MORNING HOURS. ON THURSDAY EXPECT SCATTERED SHOWERS
AND THUNDERSTORMS TO FORM WITH DAYTIME HEATING AND THEN DIMINISH
QUICKLY IN THE EARLY EVENING.
MORE STABLE CONDITIONS EXPECTED FRIDAY...WITH WIDELY SCATTERED
SHOWERS. HIGH ALOFT BUILDS STEADILY OVER SOUTH CENTRAL TEXAS
SATURDAY THROUGH TUESDAY...BRINGING STABLE JULY WX PATTERN TO
THE AREA. WILL GO FOR LITTLE OR NO RAIN THIS WEEKEND TO THE
EARLY PART OF NEXT WEEK.
PRELIMS...
AUS 089/073 092/071 095 52402
DRT 086/073 093/074 095 96422
SAT 087/073 091/074 091 83402
.EWX...HIGH WIND WARNING THRU NOON FOR VAL VERDE COUNTY.
WIND ADVISORY FOR THE WEST AND SOUTHWEST PART OF
SOUTH CENTRAL TEXAS THRU 4 PM
FLASH FLOOD WATCH FOR PART OF S CNTRL TX ALONG A WEST OF A
JOHNSON CITY TO SAN MARCOS TO HALLETTSVILLE LINE THRU NOON
TODAY.Hazardous weather outlook, Jul 16, 5:00 AM CDT, 8 hours 52 minutes before
TXZ171>173-183>194-202>209-217>225-228-171000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 AM CDT WED JUL 16 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY CLAUDETTE WILL CONTINUE TO PRODUCE A THREAT OF HEAVY RAIN AND FLASH FLOODING TODAY OVER MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY. BANDS OF SHOWERS AND THUNDERSTORMS WITH HEAVY WILL CONTINUE TO SPREAD NORTHWARD INTO THE AREA. THERE IS ALSO A SECONDARY THREAT OF ISOLATED SHORT LIVED TORNADOES. .DAYS TWO THROUGH SEVEN... CLAUDETTE WILL MOVE WELL WEST INTO MEXICO AND WEST TEXAS BY DAY TWO...HOWEVER THERE WILL STILL BE A CHANCE OF RESIDUAL SHOWERS AND THUNDERSTORMS ACROSS THE AREA. HOWEVER NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY.
In the hours before
Special weather statement, Jul 16, 11:36 AM CDT, 2 hours 16 minutes before
TXZ171>173-183>194-202>209-217>225-228-161715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1136 AM CDT WED JUL 16 2003 ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR DEWITT COUNTY UNTIL 1 PM TODAY... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR EDWARDS COUNTY UNTIL 1230 PM TODAY... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY IS IN EFFECT FOR KINNEY...MAVERICK AND VAL VERDE COUNTIES UNTIL NOON TODAY... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE WESTERN THREE-QUARTERS OF SOUTH CENTRAL TEXAS INCLUDING DEL RIO AND SAN ANTONIO UNTIL 6 PM TODAY... ...A WIND ADVISORY IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 6 PM TODAY... REMNANTS OF TROPICAL STORM CLAUDETTE...CENTERED AROUND 40 MILES WEST OF LAKE AMISTAD AT 1136 PM...WILL CONTINUE TO WESTWARD AND AWAY FROM SOUTH CENTRAL TEXAS THIS AFTERNOON. HOWEVER...STRONG THUNDERSTORMS INDIRECTLY ASSOCIATED WITH CLAUDETTE CONTINUE TO MOVE ONSHORE OVER EASTERN PORTIONS OF SOUTH CENTRAL TEXAS. THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY DOWNPOURS OF 2 TO 4 INCHES OF ADDITIONAL RAINFALL OVER VERY SATURATED SOILS. FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED OVER COUNTIES IN THE EASTERN HALF OF SOUTH CENTRAL TEXAS IN THE NEXT HOUR OR TWO AS THESE THUNDERSTORMS CONTINUE TO INCREASE IN INTENSITY AND AREAL COVERAGE. IN ADDITION TO THE FLASH FLOOD THREAT...THERE REMAINS A SMALL POSSIBILITY OF A BRIEF TORNADO DEVELOPING IN THIS SHEARED ENVIRONMENT. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES OF SECONDARY ROADWAYS. 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.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 9:22 PM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Karnes, Wilson | 113 min |
| Jul 15, 10:30 PM CDT | Flash Flood Warning | EWX | Bexar, Medina | 2 hr |
| Jul 15, 11:12 PM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Karnes, Wilson | 108 min |
| Jul 16, 1:05 PM CDT | Flash Flood Warning | EWX | Bexar | 115 min |
| Jul 16, 1:27 PM CDT | Flash Flood Warning | EWX | Karnes | 2 hr |
| Jul 16, 2:39 PM CDT | Flash Flood Warning | EWX | Frio | 111 min |
| Jul 16, 4:26 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| Jul 16, 6:33 PM CDT | Flash Flood Warning | EWX | Lavaca | 4 hr |
| Jul 16, 6:42 PM CDT | Flash Flood Warning | EWX | Val Verde | 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; radar from the NEXRAD Level II archive.