Alert archive / Texas / Wind Advisories in 2023

Wind Advisory 11, NWS Houston/Galveston, TX

December 9, 2023Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this wind advisory at Dec 9, 2023, 3:15 PM CST for Brazoria County, Galveston County, Matagorda County, Texas. It took effect at Dec 9, 2023, 11:00 PM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2023, 3:15 PM CST (21:15 UTC)
In effect from
Dec 9, 2023, 11:00 PM CST
Expired
Dec 10, 2023, 9:00 AM CST
In force
10 hr
Issued by
NWS Houston/Galveston, TX

Counties Brazoria County, TX, Galveston County, TX, Matagorda County, TX

The radar

The Houston radar (KHGX), 54 km from the middle of the area, began a volume at 21:17 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.3 hours before the alert went out and 243 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, Lake Charles Mun, LA at 12:00Z on 2023-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 461 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, Lake Charles Mun, LA at 12:00Z on 2023-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 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
461 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Houston/Galveston, TX wrote its last area forecast discussion before this wind advisory went out at Dec 9, 3:13 PM CST, 2 minutes earlier.

Area forecast discussion, Dec 9, 3:13 PM CST, 2 minutes before
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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 3:17 AM CSTGale WarningHGX33 hr
Dec 9, 3:17 AM CSTLow Water AdvisoryHGX24 hr
Dec 9, 4:21 PM CSTSpecial Weather StatementHGXSan Jacinto54 min
Dec 9, 4:40 PM CSTSpecial Weather StatementHGXHarris35 min
Dec 9, 5:00 PM CSTSpecial Weather StatementHGXPolk45 min
Dec 9, 5:12 PM CSTSpecial Weather StatementHGXHarris33 min
Dec 9, 5:12 PM CSTSpecial Weather StatementHGXFort Bend48 min
Dec 9, 5:21 PM CSTSpecial Weather StatementHGXHarris39 min
Dec 9, 5:29 PM CSTSpecial Weather StatementHGXWharton61 min
Dec 9, 5:31 PM CSTSpecial Weather StatementHGXHarris44 min
Dec 9, 5:36 PM CSTSpecial Weather StatementHGXPolk24 min
Dec 9, 5:51 PM CSTSevere Thunderstorm WarningHGXHarris, Liberty, Montgomery39 min
Dec 9, 5:59 PM CSTSevere Thunderstorm WarningHGXWharton21 min

Nearby

Wind Advisories in Texas, 2023Every wind advisory in 2023

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.