Alert archive / Texas / Heat Advisories in 2019

Heat Advisory 13, NWS Austin/San Antonio, TX

August 14, 201918 counties in Texas

NWS Austin/San Antonio, TX issued this heat advisory at Aug 14, 2019, 3:09 AM CDT for 18 counties in Texas. It took effect at Aug 14, 2019, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Aug 14, 2019, 3:09 AM CDT (08:09 UTC)
In effect from
Aug 14, 2019, 12:00 PM CDT
Expired
Aug 14, 2019, 7:00 PM CDT
In force
7 hr
Issued by
NWS Austin/San Antonio, TX

Counties Atascosa County, TX, Bastrop County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Frio County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Medina County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 19 km from the middle of the area, began a volume at 08:14 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 forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Aug 13, 6:50 PM CDT, 8 hours 19 minutes earlier.

Area forecast discussion, Aug 13, 6:50 PM CDT, 8 hours 19 minutes before
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Hazardous weather outlook, Aug 13, 5:32 AM CDT, 21 hours 37 minutes before
Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
532 AM CDT Tue Aug 13 2019

TXZ171>173-183>194-202>209-217>225-228-141115-
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-
532 AM CDT Tue Aug 13 2019

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

.DAY ONE...Today And Tonight.

A Heat Advisory is in effect through early this evening for a
portion of the northern Hill Country, areas along and east of the
I35 corridor, and parts of the Rio Grande Plains. Peak heat index
values up to around 108 to 112 degrees are expected in the
advisory area. Those with outdoor activities planned are
encouraged to take appropriate precautions to prevent heat related
illnesses.

Elevated fire weather conditions are forecast this afternoon and
evening, as hot, dry, and at times breezy conditions combine with
dry vegetation.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Heat index values will again rise to between 108 and 112 degrees
on Wednesday, and another Heat Advisory is likely for Wednesday.
Slightly lower heat index values are possible on Thursday, but
elevated heat index values are expected to persist for several
days. Those with outdoor activities planned are encouraged to take
appropriate precautions to prevent heat related illnesses.

Isolated to scattered showers and thunderstorms are forecast for
Wednesday into Wednesday evening. A few storms could produce brief
gusty winds and frequent lightning.

Elevated fire weather conditions are forecast each afternoon and
evening for the next several days, as hot, dry, and at times
breezy conditions combine with dry vegetation.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

Nearby

Heat Advisories in Texas, 2019Every heat advisory in 2019

Sources

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