Wednesday, January 18, 2017

Warmer, Drier, Sunnier End to the Week

Forecast Discussion
Over the past week, some very healthy rainfall has fallen across central and south central Texas. One final wave of energy will be moving across the area late tonight into Thursday morning. This wave will generate some additional rainfall tonight for areas generally south and east of the Austin Metro Area (especially along the coast). Some patchy fog is possible across all of the area tonight, especially in areas where clouds begin to clear away. Lows tonight will be dropping into the 40s and lower 50s tonight. Official highs today came in at 56°F at Camp Mabry, 57°F at Austin Bergstrom International Airport, and 65°F at San Antonio's International Airport (they saw more in the way of sunshine today).

HRRR Forecast Model Simulated Radar Image
(valid 2 a.m. CST Thursday morning)
Green = light rain
Yellows/Oranges = moderate rain


Past Week's Rainfall Totals (per the National Weather Service)
Camp Mabry: 3.60 inches
Austin Bergstrom International Airport: 3.15 inches
San Antonio International Airport: 2.44 inches

Past Week's Rainfall Totals (per the LCRA's Hydromet Network) 

I-35 corridor Locations:
Mansfield Dam (Lake Travis): 3.04 inches
Lago Vista: 1.66 inches
Bull Creek at Loop 360: 3.46 inches
Lady Bird Lake at Longhorn Dam: 4.65 inches
Barton Creek at Loop 360: 4.07 inches
Dripping Springs: 3.83 inches
Onion Creek at Buda: 3.59 inches

East of I-35:
Big Sandy Creek near Elgin: 2.97 inches
Colorado River at Bastrop: 2.44 inches
Cedar Creek: 2.38 inches
Colorado River at La Grange: 2.80 inches
Giddings: 3.29 inches

Hill Country: 
Burnet: 2.00 inches
Marble Falls: 1.97 inches
Blanco: 1.77 inches
Llano: 0.70 inches
Fredericksburg (10 miles WSW): 1.32 inches
Mason: 1.94 inches
San Saba: 1.21 inches

Thursday's Forecast
After some brief morning showers south and east of the Austin Metro Area skies will turn partly cloudy to mostly sunny across the area. A south southwesterly surface wind and plentiful sunshine will allow temperatures to soar into the 70s area wide Thursday afternoon.

Thursday Night 
Mostly clear & pleasantly cool around the area with lows dipping into the 40s and 50s. Some patchy fog cannot be ruled out in some locations.

Friday
Mostly to partly sunny and warm with highs in the 70s, perhaps near 80 in some locations. An isolated shower or storm cannot be ruled out for areas generally east of the I-35 corridor during the afternoon.

Saturday 
Partly sunny and warm with highs in the 70s, 20% chance for showers or storms

WINDY Sunday 
A windy storm system and its associated cold front will work across the area late Saturday night into Sunday morning and set us up for a breezy to windy and cool day. Northwest winds have the potential to be sustained between 15-30 mph with gusts as high as 40-45 mph possible. Highs only manage the 60s.

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