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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
725 PM CDT Mon May 17 2021

Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
725 PM CDT Mon May 17 2021

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

.DAY ONE...Tonight.
Strong to severe thunderstorms are ongoing over parts of the
southern Edwards Plateau and Rio Grande Plains this evening.
Large hail and damaging winds are the primary hazards. An isolated
tornado cannot be ruled out west of a Rocksprings to Eagle Pass
line this evening.

A flash flood watch is also in effect for tonight for the eastern
half of South Central Texas...or along and east of a line from
Mountain Home to Dilley. The heavy rain threats for tonight will
be isolated, but should increase over much of the watch area

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

Several rounds of showers and thunderstorms are possible through
the week, especially Tuesday through Thursday. Thunderstorms
could be strong to severe at times, and there is a slight risk of
severe storms generally north of I-10 on Tuesday.

A flash flood watch is in effect east of a Mountain Home to
Dilley line through 1 PM CDT Thursday. Daily rainfall amounts of
1 to 4 inches are possible, and portions of Central Texas could
end up with multiple day rainfall totals in excess of 8 inches.
These heavy rainfall totals will likely send some area rivers and
streams into minor or moderate flood stages.


Spotters are encouraged to report severe weather and/or flash flooding
to the National Weather Service.


Flash Flood Watch

Flood Watch
National Weather Service Austin/San Antonio TX
234 PM CDT Mon May 17 2021

.A series of upper level disturbances will move across Texas where
there will be warm, moist air near the surface. This will cause
multiple rounds of showers and thunderstorms starting tonight and
continuing through Thursday morning across South Central Texas. The
deep moisture will allow some storms to produce locally heavy rain
that will lead to flash flooding.

Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-
Including the cities of La Grange, Blanco, Floresville, Gonzales,
Burnet, New Braunfels, Pearsall, Georgetown, Hondo, Cuero, Seguin,
San Antonio, Kerrville, Giddings, Hallettsville, Austin, Lockhart,
Boerne, Karnes City, Llano, Fredericksburg, Pleasanton, Bandera, San
Marcos, and Bastrop
234 PM CDT Mon May 17 2021


The National Weather Service in Austin/San Antonio has issued a

* Flash Flood Watch for a portion of south central Texas, including
  the following areas, Atascosa, Bandera, Bastrop, Bexar, Blanco,
  Burnet, Caldwell, Comal, De Witt, Fayette, Frio, Gillespie,
  Gonzales, Guadalupe, Hays, Karnes, Kendall, Kerr, Lavaca, Lee,
  Llano, Medina, Travis, Williamson and Wilson.

* From 7 PM CDT this evening through Thursday afternoon.

* Highest rainfall totals will be eight to ten inches along I-35
  from Austin to Jarrell. Outside of this area totals will be two to
  six inches with some isolated higher amounts.

* The heavy rainfall could lead to flash flooding of low lying
  buildings, creeks, streams, and roads.


You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.




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