Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 54, NWS Austin/San Antonio, TX

June 2, 2016Medina County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 2, 2016, 1:44 AM CDT for Medina County, Uvalde County, Texas. It was in force for 4 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
Jun 2, 2016, 1:44 AM CDT (06:44 UTC)
Expired
Jun 2, 2016, 5:45 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Medina County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 110 km from the middle of the area, began a volume at 06:48 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
Jun 2, 2:28 AM CDTFLASH FLOOD5 S Sabinal, TXPARTS OF RM 187 FLOODED

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

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 6.7 hours before the alert went out and 163 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, Del Rio, TX at 00:00Z on 2016-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1258 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, Del Rio, TX at 00:00Z on 2016-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
1258 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1499 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-2.9

Open this sounding in Storm Lab

The text

As transmitted.

114 
WGUS54 KEWX 020644
FFWEWX
TXC325-463-021045-
/O.NEW.KEWX.FF.W.0054.160602T0644Z-160602T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
144 AM CDT THU JUN 2 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN UVALDE COUNTY IN SOUTH CENTRAL TEXAS...
  MEDINA COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 545 AM CDT

* AT 141 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS EASTERN UVALDE COUNTY AND MUCH OF MEDINA COUNTY.
  UP TO ONE INCH OF RAIN HAS ALREADY FALLEN OVER THE LOWER OF MEDINA
  LAKE...AND THUNDERSTORMS CONTINUE TO INTENSIFY AND MOVE SLOWLY
  OVER THE SAME AREAS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
  SWOLLEN STREAMS AND VERY SATURATED SOILS MEANS THAT THESE HEAVY
  RAINS WILL BE MUCH MORE EFFICIENT IN PRODUCING RAPID FLASH
  FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HONDO...CASTROVILLE...SABINAL...LACOSTE...DUNLAY...D'HANIS...BADER...
  NOONAN...NEW FOUNTAIN...QUIHI...CLIFF...RIO MEDINA AND MICO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

&&

LAT...LON 2942 9961 2963 9942 2962 9898 2956 9899
      2955 9897 2956 9893 2961 9888 2961 9881
      2930 9881 2909 9941 2909 9955

$$

MO
3 follow-up statements
187 
WGUS74 KEWX 020741
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
241 AM CDT THU JUN 2 2016

TXC325-463-021045-
/O.CON.KEWX.FF.W.0054.000000T0000Z-160602T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UVALDE TX-MEDINA TX-
241 AM CDT THU JUN 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
EASTERN UVALDE AND MEDINA COUNTIES...

AT 237 AM CDT...DOPPLER RADAR INDICATED A NEARLY STATIONARY AREA OF
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS EASTERN UVALDE AND MUCH OF
MEDINA COUNTY. RADAR ESTIMATES OF 3 TO 4 INCHES OF RAIN HAVE FALLEN
JUST SOUTH OF THE MEDINA DAM AROUND MICO. AN ADDITIONAL 1 TO 2
INCHES OF RAIN IS POSSIBLE OVER THIS AREA...AND A SIGNIFICANT FLOOD
WAVE IS EXPECTED TO COMBINE WITH THE EMERGENCY SPILLWAY RELEASES AT
MEDINA DAM TO POTENTIALLY IMPACT PROPERTIES IN THE CASTROVILLE AREA
OVER THE NEXT 2 TO 4 HOURS. OTHER AREAS INSIDE THE WARNED AREA CAN
EXPECT 2 TO 4 INCH RAIN TOTALS OVER VERY SATURATED SOILS THROUGH 4
AM CDT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HONDO...CASTROVILLE...SABINAL...LACOSTE...DUNLAY...D'HANIS...BADER...NOONAN...
NEW FOUNTAIN...QUIHI...CLIFF...RIO MEDINA AND MICO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

&&

LAT...LON 2942 9961 2963 9942 2962 9898 2956 9899
      2955 9897 2956 9893 2961 9888 2961 9881
      2930 9881 2909 9941 2909 9955

$$

MO
951 
WGUS74 KEWX 020910
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
410 AM CDT THU JUN 2 2016

TXC325-463-021045-
/O.CON.KEWX.FF.W.0054.000000T0000Z-160602T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UVALDE TX-MEDINA TX-
410 AM CDT THU JUN 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
EASTERN UVALDE AND MEDINA COUNTIES...

AT 404 AM CDT...DOPPLER RADAR INDICATED A NEARLY STATIONARY AREA OF
RAIN AND THUNDERSTORMS ACROSS EASTERN UVALDE AND MUCH OF MEDINA
COUNTY. RADAR ESTIMATES OF 3.5 TO 4.5 INCHES OF RAIN HAVE FALLEN
JUST SOUTH OF THE MEDINA DAM AROUND MICO. AN ADDITIONAL HALF INCH OF
RAIN IS POSSIBLE OVER THIS AREA...AND A SIGNIFICANT FLOOD WAVE IS
EXPECTED TO COMBINE WITH THE EMERGENCY SPILLWAY RELEASES AT MEDINA
DAM TO POTENTIALLY IMPACT THE CASTROVILLE AREA OVER THE NEXT 2 TO 4
HOURS. RADAR ESTIMATES SHOW 1 TO 3 INCHES ACROSS THE REMAINDER OF
THE WARNING AREA. AN ADDITIONAL HALF INCH OF RAIN CAN BE EXPECTED
OVER VERY SATURATED SOILS THROUGH 5 AM CDT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HONDO...CASTROVILLE...SABINAL...LACOSTE...DUNLAY...D'HANIS...BADER...NOONAN...
NEW FOUNTAIN...QUIHI...CLIFF...RIO MEDINA AND MICO.

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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

&&

LAT...LON 2942 9961 2963 9942 2962 9898 2956 9899
      2955 9897 2956 9893 2961 9888 2961 9881
      2930 9881 2909 9941 2909 9955

$$

CP
032 
WGUS74 KEWX 021045
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
545 AM CDT THU JUN 2 2016

TXC325-463-021052-
/O.EXP.KEWX.FF.W.0054.000000T0000Z-160602T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UVALDE TX-MEDINA TX-
545 AM CDT THU JUN 2 2016

...THE FLASH FLOOD WARNING FOR EASTERN UVALDE AND MEDINA COUNTIES
WILL EXPIRE AT 545 AM CDT...

THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER...EARLIER HEAVY RAINS OF 3 TO 6 INCHES FROM
MICO TO RIO MEDINA WILL CAUSE ADDITIONAL RISES ALONG THE MEDINA
RIVER WATERSHED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 2942 9961 2963 9942 2962 9898 2956 9899
      2955 9897 2956 9893 2961 9888 2961 9881
      2930 9881 2909 9941 2909 9955

$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 7:01 PM CDTSpecial Weather StatementEWXComal44 min
Jun 1, 7:08 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe37 min
Jun 1, 7:14 PM CDTSpecial Weather StatementEWXVal Verde46 min
Jun 1, 7:31 PM CDTAreal Flood AdvisoryEWXVal Verde3 hr
Jun 1, 7:49 PM CDTSpecial Weather StatementEWXGuadalupe41 min
Jun 1, 7:52 PM CDTSevere Thunderstorm WarningEWXVal Verde23 min
Jun 1, 8:23 PM CDTSpecial Weather StatementEWXVal Verde52 min
Jun 1, 8:41 PM CDTSpecial Weather StatementEWXKinney49 min
Jun 1, 9:03 PM CDTSpecial Weather StatementEWXKinney42 min
Jun 1, 9:19 PM CDTSpecial Weather StatementEWXVal Verde41 min
Jun 1, 9:46 PM CDTSpecial Weather StatementEWXKinney44 min
Jun 1, 10:16 PM CDTSevere Thunderstorm WarningEWXKinney, Uvalde59 min
Jun 1, 10:18 PM CDTSpecial Weather StatementEWXVal Verde57 min
Jun 1, 10:38 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde67 min
Jun 1, 11:09 PM CDTAreal Flood AdvisoryEWXVal Verde3 hr
Jun 1, 11:12 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick, Uvalde, Zavala63 min
Jun 1, 11:25 PM CDTFlash Flood WarningEWXKinney, Val Verde4 hr
Jun 1, 11:36 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick54 min
Jun 1, 11:51 PM CDTSevere Thunderstorm WarningEWXUvalde54 min
Jun 2, 12:11 AM CDTFlash Flood WarningEWXUvalde4 hr
Jun 2, 12:30 AM CDTSpecial Weather StatementEWXDimmit, Maverick, Zavala60 min
Jun 2, 12:49 AM CDTRiver Flood WarningEWXKerr14 hr
Jun 2, 12:52 AM CDTAreal Flood AdvisoryEWXBandera, Medina, Real, Uvalde53 min
Jun 2, 1:15 AM CDTRiver Flood WarningEWXUvalde18 hr
Jun 2, 1:27 AM CDTSpecial Weather StatementEWXDimmit, Frio, Zavala63 min
Jun 2, 2:05 AM CDTFlash Flood WarningEWXBexar, Comal, Guadalupe8 hr
Jun 2, 2:12 AM CDTRiver Flood WarningEWXMedina20 hr
Jun 2, 2:12 AM CDTRiver Flood WarningEWXFrio4 days
Jun 2, 2:41 AM CDTRiver Flood WarningEWXBexar67 hr
Jun 2, 2:41 AM CDTRiver Flood WarningEWXBexar, Wilson4 days
Jun 2, 2:59 AM CDTFlash Flood WarningEWXAtascosa, Bexar, Frio, Medina4 hr
Jun 2, 4:02 AM CDTFlash Flood WarningEWXCaldwell, Comal, Gonzales, Guadalupe, Hays3 hr
Jun 2, 4:16 AM CDTAreal Flood AdvisoryEWXGonzales, Guadalupe, Karnes, Wilson3 hr
Jun 2, 4:44 AM CDTAreal Flood AdvisoryEWXBandera, Gillespie, Kendall, Kerr3 hr
Jun 2, 4:49 AM CDTFlash Flood WarningEWXComal, Hays5 hr
Jun 2, 5:13 AM CDTFlash Flood WarningEWXGillespie, Kendall, Kerr, Llano3 hr
Jun 2, 5:27 AM CDTSpecial Weather StatementEWXBlanco48 min
Jun 2, 5:49 AM CDTAreal Flood AdvisoryEWXMedina3 hr
Jun 2, 5:57 AM CDTAreal Flood AdvisoryEWXTravis, Williamson3 hr
Jun 2, 6:04 AM CDTAreal Flood AdvisoryEWXBlanco, Burnet, Llano3 hr
Jun 2, 6:10 AM CDTAreal Flood AdvisoryEWXDeWitt, Fayette, Gonzales, Lavaca3 hr
Jun 2, 6:26 AM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Lee, Travis, Williamson3 hr
Jun 2, 6:31 AM CDTRiver Flood WarningEWXBexar13 hr
Jun 2, 6:31 AM CDTRiver Flood WarningEWXBexar22 hr
Jun 2, 6:35 AM CDTFlash Flood WarningEWXBlanco, Burnet, Llano, Travis, Williamson4 hr
Jun 2, 6:54 AM CDTAreal Flood AdvisoryEWXFayette3 hr
Jun 2, 7:32 AM CDTFlash Flood WarningEWXBurnet, Williamson3 hr
Jun 2, 7:54 AM CDTRiver Flood WarningEWXBlanco21 hr
Jun 2, 8:12 AM CDTRiver Flood WarningEWXBastrop57 hr
Jun 2, 8:58 AM CDTRiver Flood WarningEWXGonzales24 hr
Jun 2, 12:14 PM CDTRiver Flood WarningEWXWilliamson20 hr
Jun 2, 12:16 PM CDTRiver Flood WarningEWXDimmit4 days
Jun 2, 2:02 PM CDTRiver Flood WarningEWXDeWitt3 days
Jun 2, 2:02 PM CDTRiver Flood WarningEWXDeWitt5 days
Jun 2, 2:06 PM CDTRiver Flood WarningEWXKarnes57 hr
Jun 2, 3:33 PM CDTSpecial Weather StatementEWXBexar42 min
Jun 2, 4:13 PM CDTSpecial Weather StatementEWXReal47 min
Jun 2, 5:08 PM CDTSpecial Weather StatementEWXKendall37 min
Jun 2, 6:43 PM CDTSpecial Weather StatementEWXBexar47 min

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016

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.