Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 94, NWS Austin/San Antonio, TX

September 26, 2016Bexar County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Sep 26, 2016, 4:52 AM CDT for Bexar County, Texas. It was in force for 5 hr. 6 reports 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
Sep 26, 2016, 4:52 AM CDT (09:52 UTC)
Expired
Sep 26, 2016, 9:45 AM CDT
In force
5 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 54 km from the middle of the area, began a volume at 09:55 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
Sep 26, 5:10 AM CDTFLASH FLOOD5 Ese Lackland Afb, TXA HIGH WATER RESCUE WAS REPORTED AT THE INTERSTATE 35 FRONTAGE ROAD AND PALO ALTO ROAD.
Sep 26, 5:23 AM CDTFLASH FLOOD4 Wnw Mitchell Lake, TXHIGH WATER RESCUE REPORTED AT 12280 STATE HIGHWAY 16.
Sep 26, 5:28 AM CDTFLASH FLOOD3 Nne Lackland Afb, TXWATER RESCUE REPORTED AT SOUTH CALLAGHAN ROAD AND STATE HIGHWAY 151 IN WEST SAN ANTONIO
Sep 26, 5:35 AM CDTFLASH FLOOD2 N Brooks City Base, TXWATER RESCUE REPORTED AT PRESTWICK BLVD AND FERRINGTON DRIVE NEAR PECAN VALLEY
Sep 26, 5:39 AM CDTFLASH FLOOD5 E Lackland Afb, TXHIGH WATER RESCUE REPORTED AT GENERAL HUDNELL DRIVE AND CUPPLES ROAD IN SAN ANTONIO
Sep 26, 8:30 AM CDTFLASH FLOOD2 Ene Terrell Hills, TXCOMMERCIAL GARGABE TRUCK STRANDED IN THREE AND A HALF FEET DEEP WATER NEAR THE INTERSECTION OF HOLBROOK LANE AND AINA LANE. DRIVER WAS RESCUED BY FIREFIGHTERS.

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, 9.9 hours before the alert went out and 222 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 2016-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2016-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
767 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

195 
WGUS54 KEWX 260952
FFWEWX
TXC029-261245-
/O.NEW.KEWX.FF.W.0094.160926T0952Z-160926T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
452 AM CDT MON SEP 26 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BEXAR COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 745 AM CDT

* AT 450 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. OVER THE LAST HOUR, REPORTS OF
  OVER AN INCH PER HOUR RAIN RATES WERE OCCURRING IN AREAS THAT HAVE
  ALREADY RECEIVED 1-2 INCHES OF RAIN IN THE LAST COUPLE HOURS. DUE
  TO THESE RAINFALL RATES, FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SAN ANTONIO...SCHERTZ...UNIVERSAL CITY...LIVE OAK...SELMA...
  RANDOLPH AFB...SAN ANTONIO INT AP...STINSON MUNICIPAL AIRPORT...
  LEON VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...FAIR OAKS RANCH...
  WINDCREST...TERRELL HILLS...SHAVANO PARK...HOLLYWOOD PARK...
  LYTLE...OLMOS PARK AND ST.
  HEDWIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 2925 9880 2972 9878 2973 9875 2972 9874
      2973 9873 2975 9862 2966 9836 2956 9830
      2954 9825 2944 9815 2911 9841

$$

TB3
3 follow-up statements
756 
WGUS74 KEWX 261030
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
530 AM CDT MON SEP 26 2016

TXC029-261245-
/O.CON.KEWX.FF.W.0094.000000T0000Z-160926T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEXAR TX-
530 AM CDT MON SEP 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR
BEXAR COUNTY...

AT 526 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA.  FLASH FLOODING IS EXPECTED TO
CONTINUE ACROSS THE COUNTY. SAN ANTONIO FIRE RESCUE HAS REPORTED
MULTIPLE HIGH WATER RESCUES ACROSS THE CITY. MULTIPLE ROADWAYS WERE
INUNDATED BY FLOOD WATERS ACROSS THE CITY OF SAN ANTONIO AS WELL.
NEARLY 3 INCHES OF RAIN WAS REPORTED AT STINSON AIR FIELD IN THE
LAST FEW HOURS WITH 1.57 IN THE LAST HALF HOUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO...SCHERTZ...UNIVERSAL CITY...LIVE OAK...SELMA...
RANDOLPH AFB...SAN ANTONIO INT AP...STINSON MUNICIPAL AIRPORT...
LEON VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...FAIR OAKS RANCH...
WINDCREST...TERRELL HILLS...SHAVANO PARK...HOLLYWOOD PARK...LYTLE...
OLMOS PARK AND ST. HEDWIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 2925 9880 2972 9878 2973 9875 2972 9874
      2973 9873 2975 9862 2966 9836 2956 9830
      2954 9825 2944 9815 2911 9841

$$

TB3
736 
WGUS74 KEWX 261107
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
607 AM CDT MON SEP 26 2016

TXC029-261245-
/O.CON.KEWX.FF.W.0094.000000T0000Z-160926T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEXAR TX-
607 AM CDT MON SEP 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR
BEXAR COUNTY...

AT 606 AM CDT...LOCAL FIRE RESCUE REPORTED HEAVY RAIN CAUSING
MULTIPLE HIGH WATER RESCUES IN THE CITY OF SAN ANTONIO. OVER THREE
INCHES OF RAIN HAVE ALREADY FALLEN AT STINSON AIR FIELD AND AREAS IN
SOUTHERN AND WESTERN BEXAR COUNTY. FLASH FLOODING IS EXPECTED TO
CONTINUE OVER THE NEXT FEW HOURS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN ANTONIO...SCHERTZ...UNIVERSAL CITY...LIVE OAK...SELMA...
RANDOLPH AFB...SAN ANTONIO INT AP...STINSON MUNICIPAL AIRPORT...
LEON VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...FAIR OAKS RANCH...
WINDCREST...TERRELL HILLS...SHAVANO PARK...HOLLYWOOD PARK...LYTLE...
OLMOS PARK AND ST. HEDWIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 2925 9880 2972 9878 2973 9875 2972 9874
      2973 9873 2975 9862 2966 9836 2956 9830
      2954 9825 2944 9815 2911 9841

$$

TB3
416 
WGUS54 KEWX 261235
FFWEWX
TXC029-261445-
/O.EXT.KEWX.FF.W.0094.000000T0000Z-160926T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
735 AM CDT MON SEP 26 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  BEXAR COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 945 AM CDT

* AT 729 AM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED SEVERAL
  HIGH WATER RESCUES HAVE OCCURRED THIS MORNING WITH A FEW ONGOING
  AS A RESULT OF HEAVY RAIN ACROSS THE WARNED AREA OVER THE PAST
  FOUR HOURS. DOPPLER RADAR AND RAIN GAUGES INDICATE THAT UP TO
  SEVEN INCHES OF RAIN HAS FALLEN IN THE WARNED AREA. ADDITIONAL
  RAINFALL AMOUNTS OF UP TO ONE INCH OF RAIN PER HOUR ARE POSSIBLE
  IN THE WARNED AREA. FLASH FLOODING IS ALREADY OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SAN ANTONIO...SCHERTZ...UNIVERSAL CITY...LIVE OAK...SELMA...
  RANDOLPH AFB...SAN ANTONIO INT AP...STINSON MUNICIPAL AIRPORT...
  LEON VALLEY...KIRBY...HELOTES...ALAMO HEIGHTS...FAIR OAKS RANCH...
  WINDCREST...TERRELL HILLS...SHAVANO PARK...HOLLYWOOD PARK...
  LYTLE...OLMOS PARK AND ST. HEDWIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL IS CAUSING FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS...AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. 

&&

LAT...LON 2925 9880 2972 9878 2973 9875 2972 9874
      2973 9873 2975 9862 2966 9836 2956 9830
      2954 9825 2944 9815 2911 9841

$$

LJH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 8:41 PM CDTRiver Flood WarningEWXUvalde16 hr
Sep 25, 8:41 PM CDTRiver Flood WarningEWXUvalde20 hr
Sep 26, 2:42 AM CDTAreal Flood AdvisoryEWXEdwards3 hr
Sep 26, 3:49 AM CDTAreal Flood AdvisoryEWXBexar3 hr
Sep 26, 5:17 AM CDTAreal Flood AdvisoryEWXBexar, Comal, Hays3 hr
Sep 26, 6:14 AM CDTFlash Flood WarningEWXBexar, Comal3 hr
Sep 26, 6:29 AM CDTRiver Flood WarningEWXBexar14 hr
Sep 26, 6:40 AM CDTRiver Flood WarningEWXBexar8 hr
Sep 26, 6:47 AM CDTRiver Flood WarningEWXBexar25 hr
Sep 26, 6:47 AM CDTRiver Flood WarningEWXBexar24 hr
Sep 26, 8:03 AM CDTAreal Flood AdvisoryEWXGuadalupe117 min
Sep 26, 8:05 AM CDTRiver Flood WarningEWXBexar, Wilson45 hr
Sep 26, 8:28 AM CDTAreal Flood AdvisoryEWXBlanco, Kendall, Kerr2 hr
Sep 26, 8:36 AM CDTRiver Flood WarningEWXKarnes, Wilson68 hr
Sep 26, 8:52 AM CDTRiver Flood WarningEWXComal, Gonzales, Guadalupe15 hr
Sep 26, 8:52 AM CDTRiver Flood WarningEWXComal, Guadalupe22 hr
Sep 26, 8:55 AM CDTAreal Flood AdvisoryEWXGillespie2 hr
Sep 26, 9:15 AM CDTAreal Flood AdvisoryEWXBexar, Comal60 min
Sep 26, 9:44 AM CDTAreal Flood AdvisoryEWXBexar106 min
Sep 26, 10:00 AM CDTAreal Flood AdvisoryEWXComal, Guadalupe60 min
Sep 26, 10:17 AM CDTRiver Flood WarningEWXDimmit5 days
Sep 26, 10:22 AM CDTAreal Flood AdvisoryEWXHays53 min
Sep 26, 11:16 AM CDTAreal Flood AdvisoryEWXHays119 min
Sep 26, 11:52 AM CDTFlash Flood WarningEWXHays113 min
Sep 26, 1:50 PM CDTAreal Flood AdvisoryEWXHays115 min
Sep 26, 2:33 PM CDTRiver Flood WarningEWXKarnes3 days
Sep 26, 2:33 PM CDTRiver Flood WarningEWXGoliad, Karnes4 days

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.