Alert archive / Texas / Wind Advisories in 2014
Wind Advisory 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Dec 23, 2014, 5:11 PM CST for 5 counties in Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2014, 5:11 PM CST (23:11 UTC)
- Expired
- Dec 23, 2014, 9:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Brazoria County, TX, Chambers County, TX, Galveston County, TX, Jackson County, TX, Matagorda County, TX
The radar
The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 23:11 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 12:00Z, 11.2 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
- 1149 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
417 WWUS74 KHGX 232311 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 511 PM CST TUE DEC 23 2014 ...WIND ADVISORY IN EFFECT THROUGH 9 PM FOR COASTAL COUNTIES... TXZ214-235>238-240300- /O.NEW.KHGX.WI.Y.0021.141223T2311Z-141224T0300Z/ 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 511 PM CST TUE DEC 23 2014 ...WIND ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM CST THIS EVENING. * EVENT...STRONG NORTH WINDS 20 TO 25 MPH WITH GUSTS TO 35 MPH. * TIMING...STRONG WINDS THROUGH THE EVENING...DIMINISHING OVERNIGHT. 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 && $$
1 follow-up statement
148 WWUS74 KHGX 240311 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 911 PM CST TUE DEC 23 2014 ...WIND ADVISORY HAS EXPIRED... .WINDS HAVE BEGUN TO DECREASE AND SUSTAINED WINDS ARE BELOW 25 MPH THEREFORE THE WIND ADVISORY PREVIOUSLY IN EFFECT HAS BEEN ALLOWED TO EXPIRE. TXZ214-235>238-240415- /O.EXP.KHGX.WI.Y.0021.000000T0000Z-141224T0300Z/ BRAZORIA-CHAMBERS-GALVESTON-JACKSON-MATAGORDA- INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY... EDNA...FREEPORT...FRIENDSWOOD...GALVESTON...LAKE JACKSON... LEAGUE CITY...MONT BELVIEU...PALACIOS...PEARLAND...TEXAS CITY... WINNIE 909 PM CST TUE DEC 23 2014 ...WIND ADVISORY HAS EXPIRED... WINDS HAVE BEGUN TO DECREASE AND SUSTAINED WINDS ARE BELOW 25 MPH THEREFORE THE WIND ADVISORY PREVIOUSLY IN EFFECT HAS BEEN ALLOWED TO EXPIRE. WINDS WILL REMAIN GUSTY ALONG THE IMMEDIATE COAST AND ON THE BARRIER ISLANDS. ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 9:38 PM CST | Dense Fog Advisory | HGX | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 6 more | 11 hr |
| Dec 23, 3:19 AM CST | Gale Warning | HGX | 24 hr | |
| Dec 23, 4:10 AM CST | Marine Dense Fog Advisory | HGX | 8 hr | |
| Dec 23, 9:25 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 20 min |
| Dec 23, 9:48 AM CST | Special Marine Warning | HGX | 27 min |
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.