Alert archive / Texas / Flash Flood Warnings in 2019

Flash Flood Warning 9, NWS Austin/San Antonio, TX

May 3, 2019Lee County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 3, 2019, 8:50 PM CDT for Lee County, Texas. It was in force for 7 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 3, 2019, 8:50 PM CDT (01:50 UTC)
Expired
May 4, 2019, 3:45 AM CDT
In force
7 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

County Lee County, TX

The radar

The Ft Hood radar (KGRK), 64 km from the middle of the area, began a volume at 01:52 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.

What was reported inside it

TimeReportWhereRemark
May 3, 9:52 PM CDTFLASH FLOOD4 Wsw Lexington, TXFM 1624 CLOSED DUE TO FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.8 hours before the alert went out and 280 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, Fort Worth, TX at 00:00Z on 2019-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 joules per kilogram.LCLLFCEL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2019-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 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
714 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

726 
WGUS54 KEWX 040150
FFWEWX
TXC287-040445-
/O.NEW.KEWX.FF.W.0009.190504T0150Z-190504T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
850 PM CDT Fri May 3 2019

The National Weather Service in Austin San Antonio has issued a

* Flash Flood Warning for...
  Lee County in south central Texas...

* Until 1145 PM CDT.

* At 849 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Giddings, Lexington, Dime Box, Fedor, Lake Somerville State Park &
  Trailway, Tanglewood, Knobb Springs, Serbin, Northrup, Blue, Old
  Dime Box, Loebau, Hills, Leo, Lincoln and Manheim.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3025 9669 3024 9674 3020 9674 3014 9681
      3003 9702 3026 9708 3034 9720 3040 9733
      3045 9717 3056 9696 3054 9692 3046 9690
      3046 9688 3043 9687 3043 9685 3039 9679
      3032 9674 3032 9669 3029 9664

$$

BF
3 follow-up statements
018 
WGUS74 KEWX 040306
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
1006 PM CDT Fri May 3 2019

TXC287-040445-
/O.CON.KEWX.FF.W.0009.000000T0000Z-190504T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee TX-
1006 PM CDT Fri May 3 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
LEE COUNTY...

At 1006 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area.  Flash flooding is expected to begin
shortly.

Some locations that will experience flooding include...
Giddings, Lexington, Dime Box, Fedor, Lake Somerville State Park &
Trailway, Tanglewood, Knobb Springs, Serbin, Northrup, Blue, Old Dime
Box, Loebau, Hills, Leo, Lincoln and Manheim.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3025 9669 3024 9674 3020 9674 3014 9681
      3003 9702 3026 9708 3034 9720 3040 9733
      3045 9717 3056 9696 3054 9692 3046 9690
      3046 9688 3043 9687 3043 9685 3039 9679
      3032 9674 3032 9669 3029 9664

$$

BF
782 
WGUS54 KEWX 040409
FFWEWX
TXC287-040645-
/O.EXT.KEWX.FF.W.0009.000000T0000Z-190504T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
1109 PM CDT Fri May 3 2019

The National Weather Service in Austin San Antonio has extended the

* Flash Flood Warning for...
  Lee County in south central Texas...

* Until 145 AM CDT.

* At 1109 PM CDT, emergency management reported heavy rain across the
  warned area. Flash flooding is already occurring.

* Some locations that will experience flooding include...
  Giddings, Lexington, Dime Box, Fedor, Lake Somerville State Park &
  Trailway, Tanglewood, Knobb Springs, Serbin, Northrup, Blue, Old
  Dime Box, Loebau, Hills, Leo, Lincoln and Manheim.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3025 9669 3024 9674 3020 9674 3014 9681
      3003 9702 3026 9708 3034 9720 3040 9733
      3045 9717 3056 9696 3054 9692 3046 9690
      3046 9688 3043 9687 3043 9685 3039 9679
      3032 9674 3032 9669 3029 9664

$$

BF
783 
WGUS54 KEWX 040621
FFWEWX
TXC287-040845-
/O.EXT.KEWX.FF.W.0009.000000T0000Z-190504T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
121 AM CDT Sat May 4 2019

The National Weather Service in Austin San Antonio has extended the

* Flash Flood Warning for...
  Lee County in south central Texas...

* Until 345 AM CDT.

* At 120 AM CDT, gauge reports indicated flash flooding occurring 
  and will continue for the next couple of hours due to earlier 
  heavy rains up to 4 inches.  

* Some locations that will experience flooding include...
  Giddings, Lexington, Dime Box, Fedor, Lake Somerville State Park &
  Trailway, Tanglewood, Knobb Springs, Serbin, Northrup, Blue, Old
  Dime Box, Loebau, Hills, Leo, Lincoln and Manheim.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3025 9669 3024 9674 3020 9674 3014 9681
      3003 9702 3026 9708 3034 9720 3040 9733
      3045 9717 3056 9696 3054 9692 3046 9690
      3046 9688 3043 9687 3043 9685 3039 9679
      3032 9674 3032 9669 3029 9664

$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 7:01 PM CDTSpecial Weather StatementEWXTravis44 min
May 3, 7:12 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde33 min
May 3, 7:26 PM CDTSpecial Weather StatementEWXBandera34 min
May 3, 7:30 PM CDTSpecial Weather StatementEWXBlanco45 min
May 3, 7:35 PM CDTSpecial Weather StatementEWXLee40 min
May 3, 7:43 PM CDTSevere Thunderstorm WarningEWXFrio, Medina, Uvalde, Zavala62 min
May 3, 7:49 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Fayette, Lee, Travis56 min
May 3, 7:51 PM CDTSpecial Weather StatementEWXBexar, Caldwell, Comal, Guadalupe, Kendall69 min
May 3, 7:53 PM CDTSpecial Weather StatementEWXDimmit82 min
May 3, 8:01 PM CDTTornado WarningEWXBastrop, Lee44 min
May 3, 8:09 PM CDTFlash Flood WarningEWXBastrop, Caldwell, Travis5 hr
May 3, 8:18 PM CDTSevere Thunderstorm WarningEWXCaldwell, Comal, Guadalupe, Hays57 min
May 3, 8:24 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Fayette, Gonzales23 min
May 3, 8:36 PM CDTAreal Flood AdvisoryEWXCaldwell, Comal, Gonzales, Guadalupe, Hays, Wilson3 hr
May 3, 8:39 PM CDTTornado WarningEWXGuadalupe20 min
May 3, 8:41 PM CDTRiver Flood WarningEWXLlano13 hr
May 3, 8:41 PM CDTRiver Flood WarningEWXTravis17 hr
May 3, 8:42 PM CDTTornado WarningEWXBastrop, Lee33 min
May 3, 8:43 PM CDTRiver Flood WarningEWXBlanco12 hr
May 3, 8:44 PM CDTSpecial Weather StatementEWXAtascosa, Bexar, Frio, Wilson46 min
May 3, 8:54 PM CDTSevere Thunderstorm WarningEWXCaldwell, DeWitt, Gonzales, Guadalupe, Karnes, Lavaca and 1 more66 min
May 3, 9:03 PM CDTRiver Flood WarningEWXBlanco18 hr
May 3, 9:12 PM CDTTornado WarningEWXLee33 min
May 3, 9:23 PM CDTRiver Flood WarningEWXBlanco, Hays14 hr
May 3, 9:23 PM CDTRiver Flood WarningEWXHays11 hr
May 3, 9:23 PM CDTRiver Flood WarningEWXCaldwell, Hays23 hr
May 3, 9:23 PM CDTRiver Flood WarningEWXBlanco14 hr
May 3, 9:23 PM CDTRiver Flood WarningEWXHays6 hr
May 3, 9:27 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio, Karnes, Wilson63 min
May 3, 9:42 PM CDTRiver Flood WarningEWXHays11 hr
May 3, 9:42 PM CDTRiver Flood WarningEWXTravis28 hr
May 3, 9:49 PM CDTSevere Thunderstorm WarningEWXDeWitt, Lavaca56 min
May 3, 10:15 PM CDTRiver Flood WarningEWXBastrop39 hr
May 3, 10:22 PM CDTAreal Flood AdvisoryEWXFayette, Gonzales, Lavaca3 hr
May 3, 11:22 PM CDTSpecial Weather StatementEWXLavaca23 min
May 4, 1:11 AM CDTFlash Flood WarningEWXBastrop, Caldwell, Travis3 hr
May 4, 1:30 AM CDTSpecial Weather StatementEWXFrio, Zavala60 min
May 4, 2:27 AM CDTSpecial Weather StatementEWXFrio, Zavala63 min
May 4, 3:30 AM CDTSpecial Weather StatementEWXFrio15 min
May 4, 8:51 AM CDTRiver Flood WarningEWXBastrop, Fayette48 hr
May 4, 8:51 AM CDTRiver Flood WarningEWXFayette48 hr

Nearby

Flash Flood Warnings in Texas, 2019Every flash flood warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.