Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 7, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Apr 14, 2012, 4:19 AM CDT for 23 counties in Texas. It took effect at Apr 14, 2012, 9:00 AM CDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2012, 4:19 AM CDT (09:19 UTC)
- In effect from
- Apr 14, 2012, 9:00 AM CDT
- Expired
- Apr 15, 2012, 10:00 AM CDT
- In force
- 25 hr
- Issued by
- NWS Houston/Galveston, TX
All 23 counties
Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Harris County, TX, Houston County, TX, Jackson County, TX, Liberty County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 91 km from the middle of the area, began a volume at 09:19 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, 9.3 hours before the alert went out and 242 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
- 629 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 947 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
941 WWUS74 KHGX 140919 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 419 AM CDT SAT APR 14 2012 ...WIND ADVISORY IN EFFECT FOR ALL OF SOUTHEAST TEXAS FROM 9 AM CDT THIS MORNING TO 9 PM CDT THIS EVENING... .A TIGHTENING PRESSURE GRADIENT IN RESPONSE TO DEEPENING LOW PRESSURE OFF TO OUR NORTHWEST WILL RESULT IN WINDY CONDITIONS ACROSS MUCH OF SOUTHEAST TEXAS TODAY. SUSTAINED SOUTH TO SOUTHEAST WINDS AS HIGH AS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH CAN BE EXPECTED. TXZ163-164-176>179-195>200-210>214-226-227-235>238-150200- /O.NEW.KHGX.WI.Y.0007.120414T1400Z-120415T0200Z/ AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA- MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON- WHARTON- INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY... BELLVILLE...BRENHAM...BROOKSHIRE...BRYAN...CALDWELL...CLEVELAND... COLDSPRING...COLLEGE STATION...COLUMBUS...CONROE...CORRIGAN... CROCKETT...DAYTON...EAGLE LAKE...EDNA...EL CAMPO...FREEPORT... FRIENDSWOOD...GALVESTON...GROVETON...HEMPSTEAD...HOUSTON... HUMBLE...HUNTSVILLE...KATY...LAKE JACKSON...LAKE SOMERVILLE... LEAGUE CITY...LIBERTY...LIVINGSTON...MADISONVILLE... MISSOURI CITY...MONT BELVIEU...NAVASOTA...ONALASKA...PALACIOS... PASADENA...PEARLAND...PIERCE...PRAIRIE VIEW...RICHMOND... ROSENBERG...SEALY...SHEPHERD...SUGAR LAND...TEXAS CITY... THE WOODLANDS...TOMBALL...TRINITY...WEIMAR...WHARTON...WILLIS... WINNIE 419 AM CDT SAT APR 14 2012 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM THIS EVENING. * EVENT...SOUTH TO SOUTHEAST WINDS UP TO 20 TO 30 MPH WITH GUST TO 40 MPH POSSIBLE. * TIMING...FROM 9 AM THIS MORNING TO 9 PM THIS EVENING. 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. && $$
1 follow-up statement
827 WWUS74 KHGX 150202 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 902 PM CDT SAT APR 14 2012 ...WIND ADVISORY IN EFFECT FOR THE COASTAL COUNTIES OF SOUTHEAST TEXAS UNTIL SUNDAY MORNING... .A TIGHT PRESSURE GRADIENT IN RESPONSE TO DEEPENING LOW PRESSURE OVER THE PLAINS WILL RESULT IN WINDY CONTINUING ALONG THE COAST TONIGHT. SUSTAINED SOUTH TO SOUTHEAST WINDS AS HIGH AS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH CAN BE EXPECTED. FATHER INLAND WINDS WILL STILL BE GUSTY BUT REMAIN AROUND 15 MPH SUSTAINED WITH GUSTS OF 25 MPH. TXZ163-164-176>179-195>200-210>213-226-227-150315- /O.CAN.KHGX.WI.Y.0007.000000T0000Z-120415T0200Z/ AUSTIN-BRAZOS-BURLESON-COLORADO-FORT BEND-GRIMES-HARRIS-HOUSTON- LIBERTY-MADISON-MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER- WASHINGTON-WHARTON- INCLUDING THE CITIES OF...BELLVILLE...BRENHAM...BROOKSHIRE... BRYAN...CALDWELL...CLEVELAND...COLDSPRING...COLLEGE STATION... COLUMBUS...CONROE...CORRIGAN...CROCKETT...DAYTON...EAGLE LAKE... EL CAMPO...GROVETON...HEMPSTEAD...HOUSTON...HUMBLE...HUNTSVILLE... KATY...LAKE SOMERVILLE...LIBERTY...LIVINGSTON...MADISONVILLE... MISSOURI CITY...NAVASOTA...ONALASKA...PASADENA...PIERCE... PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SHEPHERD... SUGAR LAND...THE WOODLANDS...TOMBALL...TRINITY...WEIMAR... WHARTON...WILLIS 902 PM CDT SAT APR 14 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS CANCELLED THE WIND ADVISORY. WINDS OVERNIGHT FOR INLAND AREAS OF SOUTHEAST TEXAS WILL REMAIN AROUND 15 MPH WITH GUSTS TO 25 MPH. $$ TXZ214-235>238-151500- /O.EXT.KHGX.WI.Y.0007.000000T0000Z-120415T1500Z/ BRAZORIA-CHAMBERS-GALVESTON-JACKSON-MATAGORDA- INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY... EDNA...FREEPORT...FRIENDSWOOD...GALVESTON...LAKE JACKSON... LEAGUE CITY...MONT BELVIEU...PALACIOS...PEARLAND...TEXAS CITY... WINNIE 902 PM CDT SAT APR 14 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM CDT SUNDAY... * EVENT...SOUTH TO SOUTHEAST WINDS UP TO 20 TO 30 MPH WITH GUST TO 40 MPH POSSIBLE. * TIMING...OVERNIGHT THROUGH 10 AM SUNDAY. ADVISORY COULD BE EXTENDED AND EXPANDED ON SUNDAY. 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. && $$
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.