Alert archive / Texas / Areal Flood Advisories in 2021

Areal Flood Advisory 197, NWS Austin/San Antonio, TX

July 21, 2021DeWitt County, Karnes County, Texas

NWS Austin/San Antonio, TX issued this areal flood advisory at Jul 21, 2021, 6:35 PM CDT for DeWitt County, Karnes County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jul 21, 2021, 6:35 PM CDT (23:35 UTC)
Expired: Jul 21, 2021, 9:00 PM CDT
In force: 2 hr
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon

Counties DeWitt County, TX, Karnes County, TX

The radar

The Austin/San Antonio radar (KEWX), 89 km from the middle of the area, began a volume at 23:39 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 areal flood 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 areal flood advisory went out at Jul 21, 6:21 PM CDT, 14 minutes earlier.

Area forecast discussion, Jul 21, 6:21 PM CDT, 14 minutes before

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Hazardous weather outlook, Jul 21, 3:43 AM CDT, 14 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
343 AM CDT Wed Jul 21 2021

TXZ171>173-183>194-202>209-217>225-228-220845-
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-
343 AM CDT Wed Jul 21 2021

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

.DAY ONE...Today And Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Jul 21, 4:15 PM CDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
415 PM CDT Wed Jul 21 2021

TXZ183-202-212145-
Kinney TX-Val Verde TX-
415 PM CDT Wed Jul 21 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KINNEY AND SOUTHEASTERN
VAL VERDE COUNTIES UNTIL 445 PM CDT...

At 413 PM CDT, Doppler radar was tracking a strong thunderstorm over
Standart, or 10 miles west of Brackettville, moving south at 5 mph.

Pea sized hail and winds in excess of 40 mph will be possible with
this storm. These strong winds will spread out to the west and south
away from the rain.

Locations impacted include...
Del Rio, Standart, Amanda, Laughlin AFB, Val Verde Park and Escondido
Estates.

LAT...LON 2948 10089 2951 10047 2914 10042 2914 10074
      2915 10074 2917 10078 2920 10077 2923 10080
      2924 10079 2926 10081 2926 10084 2928 10087
      2931 10089 2931 10090
TIME...MOT...LOC 2113Z 352DEG 6KT 2936 10059

RUNYEN

Special weather statement, Jul 21, 6:31 PM CDT, 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 1:22 AM CDT	Special Weather Statement	EWX	Maverick	38 min
Jul 21, 1:43 AM CDT	Areal Flood Advisory	EWX	Kinney, Maverick	3 hr
Jul 21, 4:15 PM CDT	Special Weather Statement	EWX	Kinney	30 min
Jul 21, 4:26 PM CDT	Areal Flood Advisory	EWX	Frio, Medina, Uvalde, Zavala	3 hr
Jul 21, 5:54 PM CDT	Areal Flood Advisory	EWX	Frio, Medina	2 hr
Jul 21, 6:31 PM CDT	Special Weather Statement	EWX	Karnes	29 min

Nearby

Areal Flood Advisories in Texas, 2021 Every areal flood advisory in 2021

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.