Alert archive / Texas / Wind Advisories in 2011
Wind Advisory 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Jun 19, 2011, 3:44 AM CDT for 18 counties in Texas. It took effect at Jun 19, 2011, 10:00 AM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Jun 19, 2011, 3:44 AM CDT (08:44 UTC)
- In effect from
- Jun 19, 2011, 10:00 AM CDT
- Expired
- Jun 19, 2011, 9:10 PM CDT
- In force
- 11 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, Houston 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), 100 km from the middle of the area, began a volume at 08:46 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 00:00Z, 8.7 hours before the alert went out and 263 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
- 2077 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
907 WWUS74 KHGX 190844 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 344 AM CDT SUN JUN 19 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM THROUGH 10 PM... .STRONGER SOUTHERLY WINDS ON TAP TODAY WITH. TXZ163-176-177-195>199-210>213-226-227-235>238-200300- /O.NEW.KHGX.WI.Y.0021.110619T1500Z-110620T0300Z/ AUSTIN-BRAZORIA-BRAZOS-BURLESON-COLORADO-FORT BEND-GALVESTON- GRIMES-HARRIS-HOUSTON-JACKSON-MADISON-MATAGORDA-MONTGOMERY-WALKER- WALLER-WASHINGTON-WHARTON- INCLUDING THE CITIES OF...ALVIN...ANGLETON...BAY CITY... BELLVILLE...BRENHAM...BROOKSHIRE...BRYAN...CALDWELL... COLLEGE STATION...COLUMBUS...CONROE...CROCKETT...EAGLE LAKE... EDNA...EL CAMPO...FREEPORT...FRIENDSWOOD...GALVESTON... HEMPSTEAD...HOUSTON...HUMBLE...HUNTSVILLE...KATY...LAKE JACKSON... LAKE SOMERVILLE...LEAGUE CITY...MADISONVILLE...MISSOURI CITY... NAVASOTA...PALACIOS...PASADENA...PEARLAND...PIERCE... PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SUGAR LAND... TEXAS CITY...THE WOODLANDS...TOMBALL...WEIMAR...WHARTON...WILLIS 344 AM CDT SUN JUN 19 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING. * TIMING...WINDS WILL INCREASE QUICKLY AFTER 9 AM AS TEMPERATURES BEGIN TO RISE QUICKLY. THE STRONG WINDS WILL CONTINUE THROUGH THE AFTERNOON AND INTO THE EARLY EVENING HOURS THEN BEGIN TO DIMINISH. * WINDS...SOUTH WINDS 10 TO 15 MPH EARLY IN THE MORNING WILL QUICKLY INCREASE TO 15 TO 25 MPH AND GUSTY ACROSS THE ADVISORY AREA. GUSTS NEAR 30 MPH WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... ESPECIALLY WHEN DRIVING ALONG EAST TO WEST ORIENTED ROADS. && $$
1 follow-up statement
326 WWUS74 KHGX 200210 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 910 PM CDT SUN JUN 19 2011 ...THE WIND ADVISORY HAS BEEN CANCELED... .SUSTAINED WINDS ARE NOW BELOW 25 MPH...THEREFORE THE WIND ADVISORY HAS BEEN CANCELED. TXZ163-176-177-195>199-210>213-226-227-235>238-200315- /O.CAN.KHGX.WI.Y.0021.000000T0000Z-110620T0300Z/ AUSTIN-BRAZORIA-BRAZOS-BURLESON-COLORADO-FORT BEND-GALVESTON- GRIMES-HARRIS-HOUSTON-JACKSON-MADISON-MATAGORDA-MONTGOMERY-WALKER- WALLER-WASHINGTON-WHARTON- INCLUDING THE CITIES OF...ALVIN...ANGLETON...BAY CITY... BELLVILLE...BRENHAM...BROOKSHIRE...BRYAN...CALDWELL... COLLEGE STATION...COLUMBUS...CONROE...CROCKETT...EAGLE LAKE... EDNA...EL CAMPO...FREEPORT...FRIENDSWOOD...GALVESTON... HEMPSTEAD...HOUSTON...HUMBLE...HUNTSVILLE...KATY...LAKE JACKSON... LAKE SOMERVILLE...LEAGUE CITY...MADISONVILLE...MISSOURI CITY... NAVASOTA...PALACIOS...PASADENA...PEARLAND...PIERCE... PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SUGAR LAND... TEXAS CITY...THE WOODLANDS...TOMBALL...WEIMAR...WHARTON...WILLIS 910 PM CDT SUN JUN 19 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS CANCELLED THE WIND ADVISORY. SOUTH WINDS OF 15 TO 20 MPH CAN BE EXPECTED THROUGH THE EVENING BEFORE DIMINISHING TO 10 TO 15 MPH AFTER MIDNIGHT. $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 4:15 AM CDT | Red Flag Warning | HGX | Austin, Brazos, Burleson, Colorado, Grimes, Houston and 8 more | 18 hr |
| Jun 19, 3:07 PM CDT | Small Craft Advisory | HGX | 61 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.