Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Austin/San Antonio, TX

December 3, 2016Karnes County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Dec 3, 2016, 1:48 AM CST for Karnes County, Texas. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 3, 2016, 1:48 AM CST (07:48 UTC)
Expired
Dec 3, 2016, 2:30 AM CST
In force
42 min
Issued by
NWS Austin/San Antonio, TX

County Karnes County, TX

The radar

The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 07:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 7.8 hours before the alert went out and 305 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-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2016-12-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2016-12-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
6 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 3, 4:33 AM CSTAreal Flood AdvisoryEWXBandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more3 hr
Dec 3, 8:13 AM CSTAreal Flood AdvisoryEWXBexar, Comal, Guadalupe, Medina3 hr
Dec 3, 8:27 AM CSTRiver Flood WarningEWXKarnes, Wilson3 days
Dec 3, 8:27 AM CSTRiver Flood WarningEWXBexar, Wilson60 hr
Dec 3, 11:55 AM CSTRiver Flood WarningEWXGuadalupe22 hr
Dec 3, 11:59 AM CSTRiver Flood WarningEWXBexar16 hr
Dec 3, 1:30 PM CSTRiver Flood WarningEWXKarnes, Wilson4 days
Dec 3, 1:30 PM CSTRiver Flood WarningEWXGoliad, Karnes5 days
Dec 3, 1:30 PM CSTRiver Flood WarningEWXBexar24 hr
Dec 3, 1:34 PM CSTRiver Flood WarningEWXKarnes3 days
Dec 3, 2:51 PM CSTFlash Flood WatchEWXBandera, Bastrop, Bexar, Caldwell, Comal, Fayette and 6 more39 hr
Dec 3, 4:36 PM CSTAreal Flood AdvisoryEWXBastrop, Caldwell3 hr

Nearby

Special Weather Statements in Texas, 2016Every special weather statement in 2016

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; radar from the NEXRAD Level II archive.