Hurricane1216 Bits and Bolts

TDC: Tuesday Stands for Cumulus? (May 28, 2013)

By: Hurricane1216, 8:43 PM GMT on May 28, 2013

The Daily Crunch details today's weather events in the Greater Austin area, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson.

Today, as we near the beginning of June, we are met with warmer weather once again after a period of wet and stormy skies. Satellite imagery this afternoon show scattered cumulus clouds all over the Greater Austin metropolitan. As we've been having this whole week due to the influences of the Azores High - expect calm, light winds from the southeast. With all this convection and heating, there may be a few spotty showers, but nothing much from having a beautiful spring's day!

This afternoon, expect temperatures from 81F-89F. This evening, expect temperatures from 88F-84F. Tonight, expect temperatures from 80F-71F.

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TDC: The Rains Begin to Taper Finally! (May 26, 2013)

By: Hurricane1216, 1:56 PM GMT on May 26, 2013

The Daily Crunch details today's weather events in the Greater Austin area, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson.


Figure 1: Friday's (and 7 hours of yesterday) gargantuan rainfall; an event which coalesced to form one of Greater Austin's more wetter days.

Since I won't be here for much of the day today (gone to Houston!) here's a quick synopsis of what I'm expecting for the Greater Austin metro.

Synopsis - The disturbance which caused all the rain has moved out of the area (yay!) but a few lingering showers remain.

Temperatures - Expect high 80s for highs and mid-70s for lows.

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TDC: Record Flooding Event Continues Across Central Texas (May 25, 2013)

By: Hurricane1216, 4:08 PM GMT on May 25, 2013

The Daily Crunch details today's weather events in the Greater Austin area, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson.


Figure 1: Warnings and watches across the Austin-San Antonio Weather Forecast Office area this morning.

The severe and record flooding event that began yesterday continues into today and possibly into tonight and into Sunday. The rain can be attributed to an abundance of tropical moisture ignited by a stationary disturbance over the region. Since nightfall on May 23, radar has estimated that at least 3" of rain may have fallen in localized areas of the Greater Austin metro. Our friends in San Antonio have had it worse - radar estimates indicate at least 6-8" of rain may have fallen over a wide swath of Bexar County. Three official hydrograph stations there have exceeded all-time record highs. In Greater Austin the rain, while a lot, has not been particularly damaging, and low-water crossings remain generally open.

For the rest of today, expect continued wet and soaky weather across the Austin area. Eastern areas of the Greater Austin metro may get more heavier rainfall as the large mass of moisture plumes northeastward. For this afternoon, expect temperatures ranging from 79F-86F, and tonight, expect temperatures ranging from 78F-69F.

...and, as always during floods, stay safe when driving or outdoors. Turn around, and don't drown.

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TDC: Mexican Disturbance Causing Flash Flooding (May 24, 2013)

By: Hurricane1216, 9:50 PM GMT on May 24, 2013

The Daily Crunch details today's weather events in the Greater Austin area, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson.

Today, May 24, 2013, has been a very wet Friday! An upper-level disturbance over northern Mexico has caused a huge wall of moisture to enter areas of Central and West Texas, causing extreme and torrential rainfall. The slow moving rain has caused radar-estimated rainfall amounts of up to 2.5" inches in areas of Travis County. Much of the rain, however, has yet to reach Bastrop County. The rain is centralized in a north-south line extending from Abilene, Texas and into Mexico. By tonight some areas may see up to 4" of rain from today's storms alone. Despite the extensive plume of moisture, no severe threat is expected, though lightning with these storms is occasional. Expect several flood advisories, warnings, and flash flood warnings to go up as a result of these storms. Wind is highly variable with today, but it will primarily be 5-10 mph from the southeast. Also expect spotty power outages

The threat for rainfall continues into tonight, though the main line is moving east. For the rest of today, expect temperatures from 76-85F, and for tonight, expect temperatures from 68-78F.

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TDC: Continued Clouds and Southeasterly Flow

By: Hurricane1216, 9:11 PM GMT on May 23, 2013

The Daily Crunch details today's weather events in the Greater Austin area, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson.

Today, May 23, 2013, expect off and on low-level cloud activity, as a low-pressure area in the Texas Panhandle causes severe activity in West Texas and keeps a southeasterly flow through the Austin metropolitan area. This southeasterly flow will cause slight winds from calm to 10 mph.

The disturbance in West Texas may bring an occasional storm into Greater Austin from areas like Val Verde County. Expect temperatures ranging from 88-94F for today's high temperatures, and temperatures of 70-76F for today's lows this night.

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WWO: Hotter and Dryer Weather For the Next Few Days

By: Hurricane1216, 12:32 AM GMT on May 23, 2013

The Weekly Weather Outlook details weather events in the Greater Austin area in the next few days, as defined by the counties of Bastrop, Caldwell, Hays, Travis, and Williamson. This blog also summarizes a severe event in Austin history within the past 20 years.

After a period of cloudy days and some rain, the Austin Metropolitan area is back to its usual routine of producing clear skies and hot Texan weather. A cold front which passed through the area lowered temperatures a dab, and despite moderate and slight categorical outlooks from the Storm Prediction Center, failed to produce any severe activity or rain at all, with the exception of northern areas of Williamson County. For the next few days, expect high temperatures steady in the low-mid 90s, and low temperatures steady in the low 70s, with some occasional clouds. The latest 6-10 day outlook from the Climate Prediction Center shows a pattern of higher than average temperatures and lower than average precipitation, reflecting the expected weather conditions of the next few days. A low-pressure disturbance is supposed to move around northwestern Texas on Friday and produce some intermittent shower activity in the Texas Panhandle and in West Texas, though impacts in Greater Austin remain minimal for the most part.


Austin Feature Storm of the Blog Post:
The June 11, 2009 Mesoscale Convective System

Figure 1: The storm at its peak during the evening of June 11.

At about 1845 UTC on June 11, 2009, multiple storm cells began developing in a small region just east of Abilene. These storms quickly coalesced, forming a mesoscale convective system/bow echo situation which moved across Central and South Central Texas. The meteorological feature dominated the Texan troposphere, as seen in Figure 1. Although the system had weakened by the time it reached the Greater Austin area, though it still retained severe characteristics. Numerous severe thunderstorm warnings were issued during this storm's passage of the Austin Metro. The first warning for the metropolitan area was at 0039 UTC on June 12, by which time the storm began to enter Williamson County. The first tornado warning was issued at 0043 UTC on June 12 in Williamson County, and another warning was later issued for Travis County. Warnings in the Austin area were discontinued following the storm's passage.

The storm was a damaging severe event in Austin's history, causing at least $2.05 million in damages, based on available damage estimates. While radar estimates indicated at least 2" of rain near the Florence, Texas, area, a report from Cedar Valley, Texas indicated that 2.75" of rain in a short timespan; given the storm's fast movement at approximately 40 mph, the relatively small amount of rain led to some cases of flash flooding. Flash floods in Austin, Texas alone caused $2 million in damages. The NWS office in San Marcos issued 2 flash flood warnings which covered some portion of the Austin Metro.

Despite the rain, the mesoscale complex in Greater Austin was most notorious for its driving hail and wind. Hail peaked at 1.75" in numerous locations, and strong winds up to 60 mph caused widespread damage. However, most people can recall this storm because of a scud cloud that it produced in the Jollyville, Texas area, near the border between Travis and Williamson Counties. Reports that it was a funnel cloud and possible tornado prompted tornado warnings for the area. However, damage surveys concluded that the event in question did not produce a tornado.


Figure 2: Animated loop of the storm's progress through the Austin Metro. May require refresh to replay loop.

Updated: 8:59 PM GMT on May 23, 2013

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About Hurricane1216

"Tweeny" couch chaser and indoor hurricane hunter. I found WU in 2006 and have been a weather person since the age of 3. I'm also a Wikipedia editor,

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