Alert archive / Texas / Wind Advisories in 2019

Wind Advisory 14, NWS Houston/Galveston, TX

October 25, 2019Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this wind advisory at Oct 25, 2019, 3:48 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It took effect at Oct 25, 2019, 10:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 25, 2019, 3:48 AM CDT (08:48 UTC)
In effect from
Oct 25, 2019, 10:00 AM CDT
Expired
Oct 25, 2019, 3:39 PM CDT
In force
6 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 08:51 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

Corpus Christi, TX (KCRP), launched 00:00Z, 8.8 hours before the alert went out and 241 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, Corpus Christi, TX at 00:00Z on 2019-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1070 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, Corpus Christi, TX at 00:00Z on 2019-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 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
1070 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
732 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 9:03 PM CDTSpecial Weather StatementHGXBrazos, Burleson, Grimes, Houston, Madison, Washington72 min
Oct 24, 11:09 PM CDTGale WarningHGX23 hr
Oct 25, 2:49 AM CDTAreal Flood AdvisoryHGXBrazoria56 min
Oct 25, 3:40 AM CDTAreal Flood AdvisoryHGXBrazoria, Chambers, Galveston, Harris65 min
Oct 25, 4:06 AM CDTAreal Flood AdvisoryHGXChambers, Galveston54 min
Oct 25, 4:17 AM CDTSpecial Marine WarningHGX88 min
Oct 25, 4:17 AM CDTSpecial Weather StatementHGXGalveston43 min
Oct 25, 4:38 AM CDTSpecial Marine WarningHGX97 min
Oct 25, 6:05 AM CDTSpecial Marine WarningHGX85 min
Oct 25, 7:06 AM CDTAreal Flood AdvisoryHGXBrazoria, Chambers, Galveston, Harris54 min
Oct 25, 7:54 AM CDTAreal Flood AdvisoryHGXBrazoria, Chambers, Galveston, Harris66 min
Oct 25, 3:59 PM CDTSmall Craft AdvisoryHGX23 hr

Nearby

Wind Advisories in Texas, 2019Every wind advisory in 2019

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.