Alert archive / Texas / Freezing Rain Advisories in 2005

Freezing Rain Advisory 1, NWS Austin/San Antonio, TX

December 7, 200515 counties in Texas

NWS Austin/San Antonio, TX issued this freezing rain advisory at Dec 7, 2005, 10:03 AM CST for 15 counties in Texas. It took effect at Dec 7, 2005, 12:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Dec 7, 2005, 10:03 AM CST (16:03 UTC)
In effect from: Dec 7, 2005, 12:00 PM CST
Expired: Dec 8, 2005, 12:00 AM CST
In force: 12 hr
Issued by: NWS Austin/San Antonio, TX

Counties Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Fayette County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 4.1 hours before the alert went out and 275 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 180 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 524 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 281 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freezing rain advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this freezing rain advisory went out at Dec 7, 3:32 AM CST, 6 hours 31 minutes earlier.

Area forecast discussion, Dec 7, 3:32 AM CST, 6 hours 31 minutes before

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Hazardous weather outlook, Dec 7, 5:32 AM CST, 4 hours 31 minutes before

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In the hours before

Special weather statement, Dec 7, 5:23 AM CST, 4 hours 40 minutes before

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Nearby

Freezing Rain Advisories in Texas, 2005 Every freezing rain advisory in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.