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Nowcast

• 

• Now as of 4:52 PM CDT on May 24, 2013

  Through early this evening...scattered to numerous showers and thunderstorms will move northeast at 25 mph across eastern portions of south central Texas. Most of the activity has decreased in intensity over the last few hours...and is expected to decrease further throughout the evening. Through 7 PM...the heaviest rainfall will generally be across areas east of a line from Georgetown to Luling to Yorktown. Light to moderate rain is expected across most areas with new rainfall totals of one quarter to one half of an inch through 7 PM. However...a few locations could experience heavy downpours with rainfall amounts of 2 or more inches.

Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Friday
• 
• High: 91 °
• Low: 70 °
• T-Storms

• Saturday
• 
• High: 90 °
• Low: 70 °
• Chance of T-Storms

• Sunday
• 
• High: 91 °
• Low: 68 °
• Partly Cloudy

• Monday
• 
• High: 90 °
• Low: 70 °
• Partly Cloudy

• Tuesday
• 
• High: 93 °
• Low: 72 °
• Chance of Rain

Area forecast discussion 
National Weather Service Austin/San Antonio Texas 
242 PM CDT Friday may 24 2013 


Short term (tonight through Saturday night)... 
this afternoon the mesoscale convective vortex was centered over Real County drifting northward. 
An associated line of showers and thunderstorms extended from Burnet 
southward to New Braunfels and Campbellton. The line was moving slowly 
east while the individual cells were moving northward. This is leading 
to cell training resulting in localized flooding. The threat for 
locally heavy rainfall and flash flooding associated with the line 
of convection will continue through the rest of the afternoon as heating 
interacts with precipitable waters  of 1.5 to 1.75 inches. Strong outflow winds of 
30 to 40 miles per hour were also occurring in advance of the line. The slow 
moving line will continue to move eastward for the remainder of 
this afternoon. The areal coverage of convection will diminish 
overnight with the loss of daytime heating. Another round of 
showers and thunderstorms is possible on Saturday as another upper 
level impulse moves across south central Texas. Highs on Saturday 
will be close to seasonal normals. 


&& 


Long term (sunday through friday)... 
the upper level ridge is expected to strengthen across south central 
Texas on Sunday bringing an end to our rain chances. The upper level 
ridge axis will shift eastward Tuesday and Wednesday with the approach 
of a western U.S. Upper level trough. Rain chances will be on the 
increase Wednesday and Thursday as the upper level trough moves eastward 
across the Central Plains. Temperatures Sunday through Monday will 
be at or slightly above normal. 


&& 


Preliminary point temps/pops... 
Austin Camp Mabry 71 93 72 93 72 / 30 30 20 - - 
Austin Bergstrom international Airport 69 92 70 91 71 / 30 30 20 - - 
New Braunfels Muni Airport 69 92 71 93 72 / 30 30 20 - - 
Burnet Muni Airport 68 87 69 90 70 / 30 30 20 - - 
del Rio International Airport 72 91 74 93 74 / 30 20 20 - - 
Georgetown Muni Airport 69 88 70 90 71 / 30 30 20 - - 
Hondo Muni Airport 70 92 72 93 72 / 30 30 20 - - 
San Marcos Muni Airport 70 91 71 92 72 / 30 30 20 - - 
La Grange - Fayette regional 73 90 72 91 72 / 30 20 20 10 - 
San Antonio International Airport 71 91 73 92 73 / 30 30 20 - - 
Stinson Muni Airport 71 91 72 92 73 / 30 30 20 - - 


&& 


Ewx watches/warnings/advisories... 
none. 
&& 


$$ 


Mesoscale/aviation...18 
synoptic/grids...13 
public service/data collection...30