Updated 915am CT – Tuesday / 20 March 2018
… A Dry and More Stable Weather Pattern Continues …
… Low Pressure Storm System Approaching By Late Week into the Weekend …
On the Weather Map…
On the surface map… deepening low pressure is over the southeastern USA with a series of cold fronts extending west southwestward into Louisiana and south Texas and into northern Mexico. High pressure, northwest of the front, is over the eastern Rockies and the western plains states. As a result of this surface weather pattern, our surface winds are north northwesterly.
On the upper air map… a deepening low pressure trough (a “line” of low pressure) extends southward from the middle into the lower Mississippi Valley. Another upper air disturbance is over the Pacific northwest. As result of the upper air weather pattern, the 30,000 foot winds over our local area are west northwesterly 115 to 125 mph.
What I am Seeing As I Look Ahead…
A dry and stable weather pattern will remain in place over our area through much of the new week.
By late Wednesday into Thursday, surface high pressure, and its associated clockwise wind flow, will move east of the area with a return south southeasterly surface wind flow across south central Texas.
Enough moisture will show up for noticeable higher humidity, an increase in cloud cover by Friday and even slim rain shower and thunderstorm chances for the upcoming weekend. At this point, however, I don’t see another cold frontal passage until sometime next week so any rain chances for Saturday and Sunday will remain, as mentioned, on the slim side; rain chances will increase slightly for Monday.
Temperatures today will be a little cooler with a warming trend expected late week through next weekend. The latest NWS/Weather Prediction Center guidance suggests rainfall averages of .25″ or less through the next seven days or so for south central Texas.
Have a good Tuesday..
Meteorologist Troy Kimmel
Contact me:
tkimmel@austin.utexas.edu
http://www.facebook.com/troykimmel
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Updated 845am CT… Tuesday / 20 March 2018
TODAY…. Sunshine. High 72. North northwesterly wind 8 to 15 mph.
TONIGHT…. A clear sky. Low 45. Northerly wind 4 to 8 mph becoming light and more easterly after midnight.
WEDNESDAY…. Sunshine. High 78. South southeasterly wind increasing to 5 to 10 mph.
WEDNESDAY NIGHT…. Mostly clear. Low 53. Southeasterly wind 4 to 8 mph.
THURSDAY…. Mostly sunny. High 79. South southeasterly wind 5 to 12 mph.
THURSDAY NIGHT…. Partly cloudy. Low 60. Southeasterly wind 5 to 10 mph.
FRIDAY…. Some morning low clouds.. otherwise partly cloudy and more humid. High 82. South southeasterly wind 8 to 15 mph.
FRIDAY NIGHT…. Partly cloudy early with a low overcast developing after 11pm. Low 65. Southeasterly wind 5 to 12 mph.
SATURDAY…. Some morning low clouds.. otherwise partly cloudy. High 84. South southeasterly wind increasing to 8 to 15 mph with some higher gusts.
SATURDAY NIGHT…. Partly to mostly cloudy. Low 63. South southeasterly wind 5 to 12 mph.
SUNDAY…. Partly to mostly cloudy with widely scattered rain showers and thunderstorms with an associated lightning risk. A 20% chance of rain; where that rainfall occurs, it will average 1/4 inch or less. High 86. South southeasterly wind increasing to 8 to 15 mph with some higher gusts.
SUNDAY NIGHT…. Partly to mostly cloudy with widely scattered rain showers and thunderstorms with an associated lightning risk. A 20% chance of rain; where that rainfall occurs, it will average 1/4 inch or less. Low 67. South southeasterly wind 5 to 12 mph.
MONDAY…. Mostly cloudy with scattered rain showers and thunderstorms with an associated lightning risk. A 20% chance of rain; where that rainfall occurs, it will average 1/4 inch or less. High 84. Southerly wind increasing to 8 to 15 mph with some higher gusts.
NATIONAL WEATHER SERVICE / 8 TO 14 DAY OUTLOOK
Valid Tuesday / 27 March 2018 through Monday / 02 April 2018…
Temperature… Near to Slightly Above Average
Precipitation… Above Average
AUSTIN SUNSET/SUNRISE TIMES…..
Sunrise this morning (20 March)………………………………………. 7:34 am
Sunset this evening (20 March)………………………………………… 7:43 pm
Sunrise tomorrow (21 March)…………………………………………… 7:33 am
Sunset tomorrow (21 March)……………………………………………. 7:43 pm