Alert archive / Texas / Wind Advisories in 2011
Wind Advisory 2, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Jan 20, 2011, 4:16 AM CST for 18 counties in Texas. It took effect at Jan 20, 2011, 12:00 PM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2011, 4:16 AM CST (10:16 UTC)
- In effect from
- Jan 20, 2011, 12:00 PM CST
- Expired
- Jan 21, 2011, 12:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Houston/Galveston, TX
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, 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), 91 km from the middle of the area, began a volume at 10:20 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, 10.3 hours before the alert went out and 260 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 927 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
077 WWUS74 KHGX 201016 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 416 AM CST THU JAN 20 2011 ...WIND ADVISORY IN EFFECT THIS AFTERNOON... .A STRONG COLD FRONT WILL PUSH THROUGH THE REGION THIS AFTERNOON. WINDS WILL SHIFT TO THE NORTH AT 20 TO 25 MPH WITH GUSTS TO 35 MPH LIKELY IN THE WAKE OF THE FRONT. TXZ176-195>198-210>212-201830- /O.NEW.KHGX.WI.Y.0002.110120T1800Z-110121T0000Z/ AUSTIN-BRAZOS-BURLESON-COLORADO-GRIMES-MADISON-WALLER-WASHINGTON- INCLUDING THE CITIES OF...BELLVILLE...BRENHAM...BROOKSHIRE... BRYAN...CALDWELL...COLLEGE STATION...COLUMBUS...EAGLE LAKE... HEMPSTEAD...LAKE SOMERVILLE...MADISONVILLE...NAVASOTA... PRAIRIE VIEW...SEALY...WEIMAR 416 AM CST THU JAN 20 2011 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. A STRONG COLD FRONT WILL PUSH THROUGH THE REGION EARLY THIS AFTERNOON. WINDS WILL SHIFT TO THE NORTH AT 20 TO 25 MPH WITH FREQUENT GUSTS TO 35 MPH LIKELY IN THE WAKE OF THE FRONT. 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. && $$ TXZ213-214-235>238-201830- /O.NEW.KHGX.WI.Y.0002.110120T2000Z-110121T0300Z/ BRAZORIA-CHAMBERS-GALVESTON-HARRIS-JACKSON-MATAGORDA- INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY... EDNA...FREEPORT...FRIENDSWOOD...GALVESTON...HOUSTON...HUMBLE... KATY...LAKE JACKSON...LEAGUE CITY...MONT BELVIEU...PALACIOS... PASADENA...PEARLAND...TEXAS CITY...TOMBALL...WINNIE 416 AM CST THU JAN 20 2011 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM CST THIS EVENING. A STRONG COLD FRONT WILL PUSH THROUGH THE REGION THIS AFTERNOON. WINDS WILL SHIFT TO THE NORTH AT 20 TO 25 MPH WITH FREQUENT GUSTS TO 35 MPH LIKELY IN THE WAKE OF THE FRONT. GUSTS EVEN HIGHER ARE POSSIBLE NEAR THE IMMEDIATE COAST. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... ESPECIALLY WHEN DRIVING ALONG EAST TO WEST ORIENTED ROADS. && $$ TXZ177-199-226-227-201830- /O.NEW.KHGX.WI.Y.0002.110120T2000Z-110121T0000Z/ FORT BEND-MONTGOMERY-WALKER-WHARTON- INCLUDING THE CITIES OF...CONROE...EL CAMPO...HUNTSVILLE... MISSOURI CITY...PIERCE...RICHMOND...ROSENBERG...SUGAR LAND... THE WOODLANDS...WHARTON...WILLIS 416 AM CST THU JAN 20 2011 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM CST THIS EVENING. A STRONG COLD FRONT WILL PUSH THROUGH THE REGION THIS AFTERNOON. WINDS WILL SHIFT TO THE NORTH AT 20 TO 25 MPH WITH FREQUENT GUSTS TO 35 MPH LIKELY IN THE WAKE OF THE FRONT. 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. && $$
1 follow-up statement
286 WWUS74 KHGX 210220 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 820 PM CST THU JAN 20 2011 ...WIND ADVISORY IN EFFECT THIS AFTERNOON... .STRONG WINDS IN THE WAKE OF A COLD FRONT WILL PERSIST THROUGH MIDNIGHT. NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH MIDNIGHT. TXZ213-214-235>238-210600- /O.EXT.KHGX.WI.Y.0002.000000T0000Z-110121T0600Z/ BRAZORIA-CHAMBERS-GALVESTON-HARRIS-JACKSON-MATAGORDA- INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY... EDNA...FREEPORT...FRIENDSWOOD...GALVESTON...HOUSTON...HUMBLE... KATY...LAKE JACKSON...LEAGUE CITY...MONT BELVIEU...PALACIOS... PASADENA...PEARLAND...TEXAS CITY...TOMBALL...WINNIE 820 PM CST THU JAN 20 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. STRONG WINDS IN THE WAKE OF A COLD FRONT WILL PERSIST THROUGH MIDNIGHT. NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH MIDNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... ESPECIALLY WHEN DRIVING ALONG EAST TO WEST ORIENTED ROADS. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 3:46 AM CST | Small Craft Advisory | HGX | 31 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.