Alert archive / Texas / Wind Advisories in 2021
Wind Advisory 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Dec 10, 2021, 12:40 PM CST for 17 counties in Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 12:40 PM CST (18:40 UTC)
- Expired
- Dec 10, 2021, 4:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Harris County, TX, Jackson County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 98 km from the middle of the area, began a volume at 18:39 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, 6.7 hours before the alert went out and 267 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.
- Mixed-layer CAPE
- 2112 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.7
The text
As transmitted.
391 WWUS74 KHGX 101840 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1240 PM CST Fri Dec 10 2021 TXZ176-177-195>199-210>213-226-227-235>238-313-335>338-102200- /O.NEW.KHGX.WI.Y.0013.211210T1840Z-211210T2200Z/ Madison-Walker-Burleson-Brazos-Washington-Grimes-Montgomery- Colorado-Austin-Waller-Inland Harris-Wharton-Fort Bend- Inland Jackson-Inland Matagorda-Inland Brazoria-Inland Galveston- Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria- Coastal Galveston- Including the cities of Madisonville, Huntsville, Caldwell, Somerville, College Station, Bryan, Brenham, Navasota, Conroe, The Woodlands, Columbus, Eagle Lake, Weimar, Sealy, Bellville, Hempstead, Prairie View, Brookshire, Waller, Houston, El Campo, Wharton, Missouri City, Mission Bend, Sugar Land, Rosenberg, First Colony, Pecan Grove, Edna, Ganado, Bay City, Pearland, Alvin, Angleton, League City, Friendswood, Pasadena, Baytown, Palacios, Lake Jackson, Freeport, Clute, Texas City, Dickinson, and La Marque 1240 PM CST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... * WHAT...South winds around 25 mph with gusts up to 40 mph. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 4 PM CST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 2:39 AM CST | Small Craft Advisory | HGX | 31 hr | |
| Dec 10, 3:14 PM CST | Gale Watch | HGX | 12 hr | |
| Dec 10, 3:14 PM CST | Small Craft Advisory | HGX | 28 hr |
Nearby
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.