Alert archive / Texas / Special Weather Statements in 2018

Special Weather Statement, NWS Austin/San Antonio, TX

October 8, 2018Terrell County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Oct 8, 2018, 9:25 PM CDT for Terrell County, Texas. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 8, 2018, 9:25 PM CDT (02:25 UTC)
Expired: Oct 8, 2018, 10:15 PM CDT
In force: 50 min
Issued by: NWS Austin/San Antonio, TX

County Terrell County, TX

The radar

The San Angelo radar (KSJT), 170 km from the middle of the area, began a volume at 02:26 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.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 2.4 hours before the alert went out and 128 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: 1458 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this special weather statement went out at Oct 8, 7:44 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Oct 8, 7:44 PM CDT, 1 hour 41 minutes before

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</head>
<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Oct 8, 10:07 AM CDT, 11 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
1007 AM CDT Mon Oct 8 2018

TXZ171>173-183>194-202>209-217>225-228-091515-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
1007 AM CDT Mon Oct 8 2018

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Today And Tonight.

A flash flood watch is in effect for western areas through
7 am Tuesday. Additional scattered to numerous showers and
thunderstorms are expected today and tonight. Locations to the
west of Interstate 35 are the most likely to see rainfall today
and tonight. Rainfall amounts of two to four inches are possible
with isolated amounts up to 8 inches. There is a marginal to
slight risk for severe thunderstorms today, as well, with the
greatest risk located across Val Verde County.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered to numerous showers and thunderstorms with locally
heavy rain are possible Tuesday and Tuesday night across the
central and eastern portions of the region. There is a marginal
risk for severe thunderstorms on Tuesday. Drier conditions are
expected for Wednesday through Friday. Another upper level system
will impact the area starting Friday night and continuing through
Sunday with increasing chances for showers and thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Local storm report, Oct 8, 4:15 PM CDT, 5 hours 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
415 PM CDT MON OCT 8 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0407 PM     FLASH FLOOD      4 SE KERR WILDLIFE MANA 30.05N 99.45W
10/08/2018                   KERR               TX   LAW ENFORCEMENT

            THE KERR COUNTY SHERIFFS OFFICE REPORTS THAT
            MULTIPLE LOW WATER CROSSINGS ALONG FARM TO
            MARKET ROAD 1340 WEST OF HUNT ARE BEING
            CLOSED DUE TO HIGH WATER.

&&

EMP

Special weather statement, Oct 8, 5:07 PM CDT, 4 hours 18 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
507 PM CDT MON OCT 8 2018

TXZ183-082245-
Val Verde TX-
507 PM CDT MON OCT 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VAL VERDE COUNTY
UNTIL 545 PM CDT...

At 507 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Langtry, moving northeast at 25 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Langtry and Shumla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3007 10140 2984 10122 2975 10141 2977 10140
      2975 10144 2978 10145 2979 10147 2976 10154
      2981 10154 2980 10157 2977 10158 2977 10163
      2976 10164 2977 10166 2976 10171 2978 10176
      2980 10176
TIME...MOT...LOC 2207Z 235DEG 22KT 2975 10166

MO

Special weather statement, Oct 8, 9:14 PM CDT, 11 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
914 PM CDT MON OCT 8 2018

TXZ219-090300-
Frio TX-
914 PM CDT MON OCT 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL FRIO COUNTY UNTIL 1000 PM
CDT...

At 913 PM CDT, Doppler radar was tracking a strong thunderstorm near
Derby, or 9 miles northeast of Dilley, moving north at 25 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Pearsall, North Pearsall, Moore, Derby, Three Oaks and Interstate
35.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2866 9889 2867 9915 2907 9926 2908 9887
TIME...MOT...LOC 0213Z 175DEG 20KT 2874 9904

PLATT

Special weather statement, Oct 8, 9:25 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
925 PM CDT MON OCT 8 2018

TXZ183-090315-
Val Verde TX-
925 PM CDT MON OCT 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VAL VERDE COUNTY
UNTIL 1015 PM CDT...

At 924 PM CDT, Doppler radar was tracking a strong thunderstorm 11
miles west of Pandale, or 26 miles northeast of Dryden, moving
northeast at 25 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Hackberry Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
south central Texas.

LAT...LON 3029 10176 3029 10151 3010 10176
TIME...MOT...LOC 0224Z 227DEG 24KT 3024 10173

PLATT

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 8, 8:52 PM CDT	Areal Flood Advisory	EWX	Bexar	3 hr
Oct 8, 9:14 PM CDT	Special Weather Statement	EWX	Frio	46 min
Oct 9, 12:34 AM CDT	River Flood Warning	EWX	Val Verde	8 hr
Oct 9, 1:11 AM CDT	Areal Flood Advisory	EWX	Edwards, Kinney, Real, Uvalde	109 min
Oct 9, 2:02 AM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Oct 9, 2:11 AM CDT	Flash Flood Warning	EWX	Edwards	3 hr
Oct 9, 3:10 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	65 min
Oct 9, 3:16 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr	34 min
Oct 9, 3:41 AM CDT	Tornado Warning	EWX	Kinney, Val Verde	34 min
Oct 9, 4:12 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	63 min
Oct 9, 4:24 AM CDT	Tornado Warning	EWX	Kinney	36 min
Oct 9, 4:34 AM CDT	Special Weather Statement	EWX	Val Verde	41 min
Oct 9, 4:50 AM CDT	Severe Thunderstorm Warning	EWX	Kinney	55 min
Oct 9, 5:02 AM CDT	Areal Flood Advisory	EWX	Kinney	118 min
Oct 9, 5:13 AM CDT	Severe Thunderstorm Warning	EWX	Kinney	47 min
Oct 9, 5:16 AM CDT	Special Weather Statement	EWX	Val Verde	44 min
Oct 9, 5:47 AM CDT	Special Weather Statement	EWX	Kinney	43 min
Oct 9, 5:50 AM CDT	River Flood Warning	EWX	Val Verde	9 hr
Oct 9, 5:53 AM CDT	Areal Flood Advisory	EWX	Edwards, Real	2 hr
Oct 9, 6:01 AM CDT	Special Weather Statement	EWX	Uvalde	44 min
Oct 9, 6:28 AM CDT	Severe Thunderstorm Warning	EWX	Real, Uvalde	62 min
Oct 9, 7:28 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Real, Uvalde	62 min
Oct 9, 8:00 AM CDT	Areal Flood Advisory	EWX	Edwards, Real	3 hr
Oct 9, 8:16 AM CDT	River Flood Warning	EWX	Dimmit	19 days
Oct 9, 8:16 AM CDT	River Flood Warning	EWX	Frio	4 days
Oct 9, 8:23 AM CDT	Areal Flood Advisory	EWX	Edwards, Kerr, Real	3 hr
Oct 9, 8:37 AM CDT	Special Weather Statement	EWX	Kerr	38 min
Oct 9, 9:17 AM CDT	River Flood Warning	EWX	Kinney, Uvalde	6 hr
Oct 9, 9:44 AM CDT	Tornado Warning	EWX	Uvalde	31 min
Oct 9, 9:58 AM CDT	Tornado Warning	EWX	Kerr	20 min
Oct 9, 10:17 AM CDT	Areal Flood Advisory	EWX	Bandera, Kerr, Real, Uvalde	6 hr
Oct 9, 10:42 AM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kerr	3 hr
Oct 9, 11:45 AM CDT	Areal Flood Advisory	EWX	Burnet, Llano	2 hr
Oct 9, 11:56 AM CDT	Areal Flood Advisory	EWX	Medina	2 hr
Oct 9, 12:16 PM CDT	River Flood Warning	EWX	Uvalde	27 hr
Oct 9, 12:16 PM CDT	River Flood Warning	EWX	Uvalde	34 hr
Oct 9, 1:52 PM CDT	Areal Flood Advisory	EWX	Bexar	113 min
Oct 9, 1:54 PM CDT	Special Weather Statement	EWX	Lee	51 min
Oct 9, 3:47 PM CDT	Special Weather Statement	EWX	Fayette, Lee	43 min
Oct 9, 4:06 PM CDT	River Flood Warning	EWX	Uvalde	18 hr

Nearby

Special Weather Statements in Texas, 2018 Every special weather statement in 2018

Sources

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