Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 58, NWS Austin/San Antonio, TX

June 2, 2016Comal County, Hays County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 2, 2016, 4:49 AM CDT for Comal County, Hays County, Texas. It was in force for 5 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, 4:49 AM CDT (09:49 UTC)
Expired: Jun 2, 2016, 10:15 AM CDT
In force: 5 hr
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Flood severity: None

Counties Comal County, TX, Hays County, TX

The radar

The Austin/San Antonio radar (KEWX), 31 km from the middle of the area, began a volume at 09:53 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

Time	Report	Where	Remark
Jun 2, 6:03 AM CDT	FLASH FLOOD	5 S Driftwood, TX	MULTIPLE LOW WATER CROSSINGS FLOODED IN CENTRAL AND WESTERN PORTIONS OF THE COUNTY.

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

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.8 hours before the alert went out and 260 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1087 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1210 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

882 
WGUS54 KEWX 020949
FFWEWX
TXC091-209-021245-
/O.NEW.KEWX.FF.W.0058.160602T0949Z-160602T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL COMAL COUNTY IN SOUTH CENTRAL TEXAS...
  HAYS COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 745 AM CDT

* AT 446 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN FROM SPRING BRANCH TO BUDA. UP TO ONE INCH OF RAIN HAS
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY AND
  MAINLY IMPACT LOW WATER CROSSINGS. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SAN MARCOS...WIMBERLEY...DRIPPING SPRINGS...CANYON LAKE DAM...KYLE...
  BUDA...CANYON LAKE...BULVERDE...WOODCREEK...UHLAND...NIEDERWALD...BEAR
  CREEK...FISCHER...DRIFTWOOD...SPRING BRANCH...MOUNTAIN CITY...HAYS...HAYS
  CITY...MOUNT GAINOR AND SATTLER.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 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.

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.

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 3003 9772 2994 9780 2992 9784 2977 9825
      2981 9855 3002 9829 3034 9815

$$

CP

2 follow-up statements

070 
WGUS54 KEWX 021223
FFWEWX
TXC091-209-021515-
/O.EXT.KEWX.FF.W.0058.000000T0000Z-160602T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CENTRAL COMAL COUNTY IN SOUTH CENTRAL TEXAS...
  HAYS COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1015 AM CDT

* AT 720 AM CDT...DOPPLER RADAR INDICATED LIGHT RAINS ACROSS COMAL
  AND HAYS COUNTIES. RADAR ESTIMATES AND RAIN GAUGES INDICATE UP TO
  2 INCHES WILL CONTINUE FLASH FLOODING FOR ANOTHER COUPLE OF HOURS
  OR SO. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SAN MARCOS...WIMBERLEY...DRIPPING SPRINGS...CANYON LAKE DAM...KYLE...
  BUDA...CANYON LAKE...BULVERDE...WOODCREEK...UHLAND...NIEDERWALD...BEAR
  CREEK...FISCHER...DRIFTWOOD...SPRING BRANCH...MOUNTAIN CITY...HAYS...HAYS
  CITY...MOUNT GAINOR AND SATTLER.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

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.

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 3003 9772 2994 9780 2992 9784 2977 9825
      2981 9855 3002 9829 3034 9815

$$

CP

942 
WGUS74 KEWX 021411
FFSEWX

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

TXC091-209-021515-
/O.CON.KEWX.FF.W.0058.000000T0000Z-160602T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COMAL TX-HAYS TX-
911 AM CDT THU JUN 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
CENTRAL COMAL AND HAYS COUNTIES...

AT 906 AM CDT...SEVERAL LOW WATER CROSSINGS AND ROADS REMAIN
IMPASSABLE ACROSS THE WARNED AREA.  EVEN THOUGH THE RAIN HAS
ENDED...RESIDUAL RUNOFF WILL CONTINUE TO FLOOD AREA ROADS AND LOW
WATER CROSSINGS THROUGH 1015 AM. ALL DRIVERS NEED TO BE CAUTIOUS
WHILE DRIVING AND OBEY SIGNS THAT INDICATE A ROAD HAS BEEN CLOSED.
ITS AGAINST THE LAW TO DRIVE AROUND BARRICADES. TURN AROUND...DONT
DROWN. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SAN MARCOS...WIMBERLEY...DRIPPING SPRINGS...CANYON LAKE DAM...KYLE...BUDA...
CANYON LAKE...BULVERDE...WOODCREEK...UHLAND...NIEDERWALD...BEAR CREEK...
FISCHER...DRIFTWOOD...SPRING BRANCH...MOUNTAIN CITY...HAYS...HAYS CITY...
MOUNT GAINOR AND SATTLER.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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 3003 9772 2994 9780 2992 9784 2977 9825
      2981 9855 3002 9829 3034 9815

$$

YURA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 7:01 PM CDT	Special Weather Statement	EWX	Comal	44 min
Jun 1, 7:08 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe	37 min
Jun 1, 7:14 PM CDT	Special Weather Statement	EWX	Val Verde	46 min
Jun 1, 7:31 PM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Jun 1, 7:49 PM CDT	Special Weather Statement	EWX	Guadalupe	41 min
Jun 1, 7:52 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	23 min
Jun 1, 8:23 PM CDT	Special Weather Statement	EWX	Val Verde	52 min
Jun 1, 8:41 PM CDT	Special Weather Statement	EWX	Kinney	49 min
Jun 1, 9:03 PM CDT	Special Weather Statement	EWX	Kinney	42 min
Jun 1, 9:19 PM CDT	Special Weather Statement	EWX	Val Verde	41 min
Jun 1, 9:46 PM CDT	Special Weather Statement	EWX	Kinney	44 min
Jun 1, 10:16 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	59 min
Jun 1, 10:18 PM CDT	Special Weather Statement	EWX	Val Verde	57 min
Jun 1, 10:38 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	67 min
Jun 1, 11:09 PM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Jun 1, 11:12 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Uvalde, Zavala	63 min
Jun 1, 11:25 PM CDT	Flash Flood Warning	EWX	Kinney, Val Verde	4 hr
Jun 1, 11:36 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	54 min
Jun 1, 11:51 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde	54 min
Jun 2, 12:11 AM CDT	Flash Flood Warning	EWX	Uvalde	4 hr
Jun 2, 12:30 AM CDT	Special Weather Statement	EWX	Dimmit, Maverick, Zavala	60 min
Jun 2, 12:49 AM CDT	River Flood Warning	EWX	Kerr	14 hr
Jun 2, 12:52 AM CDT	Areal Flood Advisory	EWX	Bandera, Medina, Real, Uvalde	53 min
Jun 2, 1:15 AM CDT	River Flood Warning	EWX	Uvalde	18 hr
Jun 2, 1:27 AM CDT	Special Weather Statement	EWX	Dimmit, Frio, Zavala	63 min
Jun 2, 1:44 AM CDT	Flash Flood Warning	EWX	Medina, Uvalde	4 hr
Jun 2, 2:05 AM CDT	Flash Flood Warning	EWX	Bexar, Comal, Guadalupe	8 hr
Jun 2, 2:12 AM CDT	River Flood Warning	EWX	Medina	20 hr
Jun 2, 2:12 AM CDT	River Flood Warning	EWX	Frio	4 days
Jun 2, 2:41 AM CDT	River Flood Warning	EWX	Bexar	67 hr
Jun 2, 2:41 AM CDT	River Flood Warning	EWX	Bexar, Wilson	4 days
Jun 2, 2:59 AM CDT	Flash Flood Warning	EWX	Atascosa, Bexar, Frio, Medina	4 hr
Jun 2, 4:02 AM CDT	Flash Flood Warning	EWX	Caldwell, Comal, Gonzales, Guadalupe, Hays	3 hr
Jun 2, 4:16 AM CDT	Areal Flood Advisory	EWX	Gonzales, Guadalupe, Karnes, Wilson	3 hr
Jun 2, 4:44 AM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kendall, Kerr	3 hr
Jun 2, 5:13 AM CDT	Flash Flood Warning	EWX	Gillespie, Kendall, Kerr, Llano	3 hr
Jun 2, 5:27 AM CDT	Special Weather Statement	EWX	Blanco	48 min
Jun 2, 5:49 AM CDT	Areal Flood Advisory	EWX	Medina	3 hr
Jun 2, 5:57 AM CDT	Areal Flood Advisory	EWX	Travis, Williamson	3 hr
Jun 2, 6:04 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Llano	3 hr
Jun 2, 6:10 AM CDT	Areal Flood Advisory	EWX	DeWitt, Fayette, Gonzales, Lavaca	3 hr
Jun 2, 6:26 AM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Lee, Travis, Williamson	3 hr
Jun 2, 6:31 AM CDT	River Flood Warning	EWX	Bexar	13 hr
Jun 2, 6:31 AM CDT	River Flood Warning	EWX	Bexar	22 hr
Jun 2, 6:35 AM CDT	Flash Flood Warning	EWX	Blanco, Burnet, Llano, Travis, Williamson	4 hr
Jun 2, 6:54 AM CDT	Areal Flood Advisory	EWX	Fayette	3 hr
Jun 2, 7:32 AM CDT	Flash Flood Warning	EWX	Burnet, Williamson	3 hr
Jun 2, 7:54 AM CDT	River Flood Warning	EWX	Blanco	21 hr
Jun 2, 8:12 AM CDT	River Flood Warning	EWX	Bastrop	57 hr
Jun 2, 8:58 AM CDT	River Flood Warning	EWX	Gonzales	24 hr
Jun 2, 12:14 PM CDT	River Flood Warning	EWX	Williamson	20 hr
Jun 2, 12:16 PM CDT	River Flood Warning	EWX	Dimmit	4 days
Jun 2, 2:02 PM CDT	River Flood Warning	EWX	DeWitt	3 days
Jun 2, 2:02 PM CDT	River Flood Warning	EWX	DeWitt	5 days
Jun 2, 2:06 PM CDT	River Flood Warning	EWX	Karnes	57 hr
Jun 2, 3:33 PM CDT	Special Weather Statement	EWX	Bexar	42 min
Jun 2, 4:13 PM CDT	Special Weather Statement	EWX	Real	47 min
Jun 2, 5:08 PM CDT	Special Weather Statement	EWX	Kendall	37 min
Jun 2, 6:43 PM CDT	Special Weather Statement	EWX	Bexar	47 min

Nearby

Flash Flood Warnings in Texas, 2016 Every 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.