Thursday’s cold front may be historic

May 1st, 2013 at 9:47 pm by under Weather

Temperatures will begin a plunge early Thursday morning that will result in “feels like” readings as much as 50 degrees colder than Wednesday afternoon’s highs. The cold front is so strong it is expected to set low temperature records by Friday morning, possibly all-time records for the month of May.

Some lingering showers or an isolated thunderstorm may continue behind the front. Temperatures are expected to begin falling early Thursday morning from the 60s, remaining in the 50s all day—as much as 30 degrees colder than average.

Some locations in the Hill Country may see temperatures fall to the 40s during the day. Factoring in the wind chill, places like Llano where the high was 91 Wednesday, will feel closer to 41 degrees Thursday afternoon. Very strong north winds 25-35 mph, with gusts to 45 mph will create the cold wind chills. A Wind Advisory has been posted Central Texas for Thursday.

By early Friday and again Saturday morning, low temperatures are expected to fall into the 30s and 40s across the KXAN viewing area. Record breaking lows of 40-44 degrees are forecast for Austin, but low lying locations in the Austin metro will likely see early morning readings in the 30s.

In the Hill Country, morning low temperatures in the 30s are expected for most areas, with some of the coldest valleys even potentially recording a very rare early May freeze. A rare May Freeze Watch has been issued for San Saba and Mason counties, where readings of 29-32 degrees will be possible Friday morning, and possibly again Saturday morning.

The coldest temperature ever recorded during the month of May in Austin was 40 degrees, on May 1, 1925. That all-time monthly record may be in jeopardy. At Austin-Bergstrom International Airport, the coldest May temperature on record occurred May 4, 2011, when the temperature dropped to 38 degrees. That record may also be broken Friday or Saturday mornings.

While the early morning temperatures will be some of the coldest on record early Friday and Saturday, the afternoons should be beautiful through the weekend, with highs in the 70s.

From the National Weather Service:


The chance of rain will continue into Thursday with a few thunderstorms possible in the morning hours. Additional daytime rainfall amounts should average less than one-tenth inch. Winds will increase to 25 to 35 mph with gusts to 45 mph possible, prompting a Wind Advisory for all South Central Texas counties. As temperatures cool into the evening hours, the still breezy conditions will result in wind chill indices falling into the 30s.
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Another late spring cold front will produce unseasonably cold weather across South Central Texas from early Thursday morning through Saturday. Low temperature forecasts suggest that daily records will be set across much of the area Friday and Saturday. These forecast lows are also within a few degrees of the record lows for the month of May.

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