Severe Thunderstorm Warning 257, NWS Austin/San Antonio, TX

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Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
1258 PM CDT Thu Jun 15 2023

TXZ171>173-183>194-202>209-217>225-228-161800-
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-
1258 PM CDT Thu Jun 15 2023

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

.DAY ONE...This Afternoon And Tonight.

An Excessive Heat Warning is in effect through this evening across
portions of the Rio Grande Plains as heat indices as high as 118
degrees will be possible.

A Heat Advisory is now in effect through Friday evening for much
of South Central Texas including the I-35 corridor, and the
Coastal Plains as heat indices up to 114 degrees will be possible.

There is a slight chance for isolated thunderstorms over portions
of Hill Country and the I-35 Corridor later this afternoon and
evening. Any storms that develop would likely become severe with
large hail and damaging winds being the main hazards. A level 2 of
5 risk is in place for Burnet and Llano counties and a level 1 of
5 risk is in place for the northern Hill Country and portions of
the I-35 corridor.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Above average temperatures will continue through the next week,
and combined with humidity across the region, residents will need
to take precautions to guard against heat illness during this
time. Heat Advisories and perhaps Excessive Heat Warnings will be
possible for portions of the area on many days through this
period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

Special Weather Statement
National Weather Service Austin/San Antonio TX
321 PM CDT Thu Jun 15 2023

TXZ171-172-183>190-202-160100-
Llano-Burnet-Val Verde-Edwards-Real-Kerr-Bandera-Gillespie-
Kendall-Blanco-Kinney-
Including the cities of Llano, Burnet, Del Rio, Rocksprings,
Leakey, Kerrville, Bandera, Fredericksburg, Boerne, Blanco,
and Brackettville
321 PM CDT Thu Jun 15 2023

...HOT TEMPERATURES AND ELEVATED HEAT INDICES WILL CONTINUE
THROUGH EARLY EVENING...

A combination of air temperatures ranging from the upper 90s to
lower 100s and dew points in the mid to upper 70s are contributing
to high heat index readings over Hill Country and the southern
Edwards Plateau this afternoon. Said heat index values could
become dangerous for those spending prolonged periods of time
outdoors. Be sure to drink plenty of water, take frequent breaks
in shaded and/or air-conditioned environments, and wear light-
colored and loose-fitting clothing if planning to be outside
through the early evening hours today. Temperatures will begin to
decline near and after sunset.

Special Weather Statement
National Weather Service Austin/San Antonio TX
617 PM CDT Thu Jun 15 2023

TXZ171-160000-
Llano TX-
617 PM CDT Thu Jun 15 2023

...A strong thunderstorm will impact portions of north central Llano
County through 700 PM CDT...

At 617 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lone Grove, or near Llano, moving east at 30 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Llano, Baby Head, Lone Grove and Stolz.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3070 9851 3078 9882 3092 9881 3092 9850
TIME...MOT...LOC 2317Z 286DEG 25KT 3081 9864

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

27