Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 97, NWS Austin/San Antonio, TX

November 4, 2016Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Nov 4, 2016, 9:21 AM CDT for Maverick County, Texas. It was in force for 3 hr. 2 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
Nov 4, 2016, 9:21 AM CDT (14:21 UTC)
Expired
Nov 4, 2016, 12:15 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 72 km from the middle of the area, began a volume at 14:21 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
Nov 4, 9:45 AM CDTFLASH FLOODRosita North, TXFM 2030 BETWEEN EL INDIO HWY AND PIONEER RD CLOSED DUE TO HEAVY RAINS
Nov 4, 9:50 AM CDTFLASH FLOOD2 Ene Eagle Pass, TXSTILL PASSABLE BUT SIGNIFICANT WATER OVER THE ROADWAY NEAR THE FORD DEALERSHIP ON HWY 57 NORTHEAST OF EAGLE PASS

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 12:00Z, 2.4 hours before the alert went out and 93 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 12:00Z on 2016-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 12:00Z on 2016-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
60 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

158 
WGUS54 KEWX 041421
FFWEWX
TXC323-041715-
/O.NEW.KEWX.FF.W.0097.161104T1421Z-161104T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
921 AM CDT FRI NOV 4 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 1215 PM CDT

* AT 919 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS CENTRAL MAVERICK COUNTY. RADAR ESTIMATES OF OVER
  THREE INCHES OF RAIN HAVE ALREADY FALLEN IN THE WARNING AREA.
  FLASH FLOODING IS EXPECTED TO CONTINUE OR BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EAGLE PASS...EL INDIO...ROSITA NORTH...ROSITA SOUTH...RADAR BASE...
  FARIAS LAKE...ELM CREEK...EIDSON ROAD...SECO MINES AND LAS QUINTAS
  FRONTERIZAS.

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.

&&

LAT...LON 2850 10035 2854 10039 2854 10037 2856 10035
      2857 10040 2858 10040 2860 10043 2864 10042
      2864 10046 2867 10051 2874 10051 2876 10053
      2884 10055 2887 10011 2851 10012

$$

TB3
1 follow-up statement
364 
WGUS74 KEWX 041610
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1110 AM CDT FRI NOV 4 2016

TXC323-041619-
/O.CAN.KEWX.FF.W.0097.000000T0000Z-161104T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-
1110 AM CDT FRI NOV 4 2016

...THE FLASH FLOOD WARNING FOR CENTRAL MAVERICK COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. LIGHT RAIN MAY CONTINUE PERIODICALLY
THROUGH THE NEXT COUPLE HOUR HOWEVER NO ADDITIONAL FLOODING IS
EXPECTED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 2850 10035 2854 10039 2854 10037 2856 10035
      2857 10040 2858 10040 2860 10043 2864 10042
      2864 10046 2867 10051 2874 10051 2876 10053
      2884 10055 2887 10011 2851 10012

$$

TB3

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 4:18 AM CDTAreal Flood AdvisoryEWXKinney, Maverick, Val Verde3 hr
Nov 4, 6:48 AM CDTAreal Flood AdvisoryEWXKinney, Maverick, Zavala3 hr

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.