Blanco County News
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Tropical Storm Hermine Thrashes Blanco County
Wednesday, September 15, 2010 • Posted September 14, 2010

Tropical Storm Hermine trampled over central Texas last week. The eye of the storm passed just west of Blanco County, and the most intense part of the storm, the eye wall, passed over the county. After Hermine moved out of the area Tuesday evening, more rain pummeled the already-drenched Hill Country Wednesday and Thursday. Cocorahs three-day totals from Tuesday-Thursday for Blanco ranged from 5.2 to 6.7" with the most rain (over 4") falling on Wednesday, while Johnson City folks saw significantly more rain over the same time period. Rain gauges read about 5" on Thursday, bringing the three-day totals to over 8". Nearby in Austin, rain gauges read over a foot of precipitation.

At its highest, the Pedernales River climbed to 19 feet around noon on Wednesday, five feet above flood stage. The Blanco River crested twice, reaching 9.5 feet early Wednesday morning, and 10.5 feet later that evening. Both rivers receded quickly.

On Tuesday while Hermine was ravaging the Hill Country, winds of 64 miles per hour were registered at San Antonio International Airport. In Blanco, the middle school weather station read 46 mile per hour and the Hydromet station located 13 miles west-northwest of Blanco caught a 49 mile per hour gust. Also significant on Tuesday was a confirmed tornado in Lavaca County near the intersection of Highway 95 and 271. Over 30,000 homes were without power in the Rio Grande Valley and Brownsville early Tuesday as Hermine made landfall. One person was swept away in the flood waters in Killeen, bringing the total deaths in Texas from the storm to five people. Authorities are still searching for an Austin woman as well.

Due to swollen creeks and rivers, authorities closed several county roads in Blanco County. Tejas Trail was closed Wednesday, but reopened that day.

The San Antonio/Austin National Weather Service issued Inland Tropical Storm Wind warnings for the San Antonio area on Tuesday afternoon and continued with several Flood and Flash Flood warnings for the next few days over most of the Hill Country. On Thursday, Governor Rick Perry issued a state disaster declaration for 40 Texas counties after he toured the area. The burn ban issued August 24 was removed by County Judge Guthrie on the 9th.

Invest 92 is predicted to make landfall in central America later this week (as of press time). Hurricane Igor is churning in the Atlantic with 150 mile per hour winds as a strong category 4 storm, but will weaken before tracking up the eastern US coast. Hurricane authorities predict that due to the current La Nina conditions, tropical weather activity will be above average and active throughout the rest of the hurricane season (ending November 30).

Weather for the remainder of the week will be mostly to partly sunny with temperatures in the low 90s and overnight lows hovering around 70. There is a chance of rain this weekend, with the greatest threat on Saturday.

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