Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 20, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 7, 2003, 6:30 PM CDT for Kerr County, 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
- Apr 7, 2003, 6:30 PM CDT (23:30 UTC)
- Expired
- Apr 7, 2003, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Kerr County, TX, Real County, TX
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, 11.5 hours before the alert went out and 139 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
- 973 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 072330
FFWSAT
TXC265-385-080230-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
630 PM CDT MON APR 7 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
KERR
REAL
* UNTIL 930 PM CDT
* AT 624 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
UP TO 2 INCHES IN NORTHERN REAL AND WESTERN KERR COUNTIES.
* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
KERR WILDLIFE MANAGEMENT AREA
MOUNTAIN HOME
HUNT
RESIDENTS ALONG THE HEADWATERS OF THE GUADALUPE...FRIO...AND NUECES
RIVERS...JOHNSON CREEK...AND PAINT CREEK SHOULD PLAY CLOSE ATTENTION
TO RIVER LEVELS OVER THE NEXT FEW HOURS.
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.
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.
LAT...LON 3029 9976 3009 9975 3009 9997 2993 10002
2993 9930 3029 9932
$$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 Apr 7, 2:45 PM CDT, 3 hours 45 minutes earlier.
Area forecast discussion, Apr 7, 2:45 PM CDT, 3 hours 45 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 245 PM CDT MON APR 7 2003 THUNDERSTORMS TRYING TO DEVELOP OVER EXTREME SE ZONES SPARKED BY SURFACE TROUGH NEAR COAST. HOLDING TO THE GOING SCENARIO WITH SEVERE POSSIBLE THROUGH THE EVENING. EXPECT SEVERE THREAT TO END WITH FRONT STARTING TO MOVE IN AROUND MIDNIGHT AND SWEEPING THROUGH OVERNIGHT. SOME ELEVATED CONVECTION AND OVERRUNNING RAIN IN STORE FOR THE LATE NIGHT HOURS THROUGH TUESDAY MORNING WITH CLEARING TO FOLLOW TUESDAY AFTERNOON. WINDS WILL PICK UP RAPIDLY WITH FRONT AND BY MORNING ZONE TIME SHOULD BE CLOSE TO WIND ADVISORY CRITERIA. WILL GO WITH CAUTION ON AREA LAKES AFTER MIDNIGHT WITH LATER SHIFTS NEEDING TO ISSUE WIND ADVISORY FOR TUESDAY MORNING. WINDS SHOULD EASE DURING THE AFTERNOON. NOT LOOKING FOR THIS SYSTEM TO BE A MAJOR RAIN PRODUCER...ALTHOUGH A FEW SLOW MOVING CELLS WILL PRODUCE LOCALLY HEAVY AMOUNTS. QUITE CHILLY TUESDAY NIGHT AND AGAIN WEDNESDAY NIGHT. SLOW WARMING LATE WEEK WITH DRY WEATHER PREVAILING WITH STRONG UPPER RIDGE. GULF REOPENS EARLY NEXT WEEK WITH CLOUDS INCREASING MONDAY. PRELIMS... AUS NB 048/065 031/068 035 5300 DRT NB 054/065 042/075 046 5300 SAT NB 052/065 037/070 041 5300 .EWX...NONE. 3/8/PM
Hazardous weather outlook, Apr 7, 5:00 PM CDT, 1 hour 30 minutes before
TXZ171>173-183>194-202>209-217>225-228-081100- HAZARDOUS WEATHER OUTLOOK...UPDATE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 500 PM CDT MON APR 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE... LATE THIS AFTERNOON THROUGH TONIGHT...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS ALL OF SOUTH CENTRAL TEXAS. AN UPPER-LEVEL STORM SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE SOUTHEAST ACROSS SOUTH CENTRAL TEXAS LATE THIS AFTERNOON THROUGH TONIGHT. THE FRONT WILL INTERACT WITH ABUNDANT LOW LEVEL MOISTURE TO PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS MOVING SLOWLY EAST AND SOUTHEAST ACROSS THE AREA. WITH MODERATE SHEAR AND INSTABILITY...THE PRIMARY WEATHER THREATS WILL BE FOR LARGE HAIL...DAMAGING WINDS...ISOLATED TORNADOES...AND LOCALLY HEAVY RAINFALL AMOUNTS UP TO TWO INCHES. THE STORMS WILL LIKELY BEGIN OVER THE HILL COUNTRY LATE THIS AFTERNOON WITH THE FOCUS SHIFTING SOUTH OF SOUTH CENTRAL TEXAS SHORTLY AFTER MIDNIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 5:32 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 58 min |
| Apr 7, 5:59 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 61 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.