Alert archive / Texas / Wind Advisories in 2017
Wind Advisory 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Oct 16, 2017, 1:21 AM CDT for Galveston County, Texas. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 16, 2017, 1:21 AM CDT (06:21 UTC)
- Expired
- Oct 16, 2017, 1:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS Houston/Galveston, TX
County Galveston County, TX
The radar
The Houston radar (KHGX), 32 km from the middle of the area, began a volume at 06:25 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, 6.4 hours before the alert went out and 180 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
- 1719 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1301 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
269 WWUS74 KHGX 160621 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 121 AM CDT Mon Oct 16 2017 ...STRONG WINDS WILL AFFECT LOCATIONS ALONG THE IMMEDIATE COAST IN GALVESTON COUNTY THIS MORNING... .STRONG AND GUSTY WINDS WILL IMPACT IMMEDIATE COASTAL AREAS OF MAINLAND GALVESTON COUNTY AS WELL AS GALVESTON ISLAND THIS MORNING BEHIND A COLD FRONT. WINDS MAY GUST AS HIGH AS 35 TO 45 MPH AT TIMES BUT ARE EXPECTED TO DECREASE BY MID-MORNING. TXZ238-161500- /O.NEW.KHGX.WI.Y.0013.171016T0621Z-171016T1500Z/ Galveston- Including the cities of Friendswood, Galveston, League City, and Texas City 121 AM CDT Mon Oct 16 2017 ...WIND ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... The National Weather Service in Houston/Galveston has issued a Wind Advisory, which is in effect until 10 AM CDT this morning. * EVENT...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AS HIGH 35 TO 45 MPH AT TIMES. * TIMING...THROUGH MID-MORNING. * IMPACT...STRONG AND GUSTY CROSSWINDS ON EAST TO WEST ORIENTED ROADS WILL MAKE DRIVING DIFFICULT FOR LIGHT-WEIGHT AND/OR HIGH PROFILE VEHICLES. UNSECURED LIGHTWEIGHT OUTDOOR OBJECTS MAY ALSO BE BLOWN AROUND IN THE STRONG WINDS. 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. && $$
2 follow-up statements
878 WWUS74 KHGX 160849 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 349 AM CDT Mon Oct 16 2017 ...STRONG WINDS WILL AFFECT LOCATIONS ALONG THE IMMEDIATE COAST IN GALVESTON COUNTY THIS MORNING... .STRONG AND GUSTY WINDS WILL IMPACT IMMEDIATE COASTAL AREAS OF MAINLAND GALVESTON COUNTY AS WELL AS GALVESTON ISLAND THIS MORNING BEHIND A COLD FRONT. WINDS MAY GUST TO 30 TO 40 MPH AT TIMES BUT ARE EXPECTED TO DECREASE BY MID-MORNING. TXZ238-161500- /O.CON.KHGX.WI.Y.0013.000000T0000Z-171016T1500Z/ Galveston- Including the cities of Friendswood, Galveston, League City, and Texas City 349 AM CDT Mon Oct 16 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * EVENT...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH AT TIMES. * TIMING...THROUGH MID-MORNING. * IMPACT...STRONG AND GUSTY CROSSWINDS ON EAST TO WEST ORIENTED ROADS WILL MAKE DRIVING DIFFICULT FOR LIGHT-WEIGHT AND/OR HIGH PROFILE VEHICLES. UNSECURED LIGHTWEIGHT OUTDOOR OBJECTS MAY ALSO BE BLOWN AROUND IN THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drivers of vans...campers...trailers...and other high-profile vehicles should be alert to the danger of these winds... especially when driving along east to west oriented roads. && $$
525 WWUS74 KHGX 161442 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 942 AM CDT Mon Oct 16 2017 ...Strong winds will affect locations along the immediate coastal areas of Galveston Island through midday today... .Strong and gusty winds will impact immediate coastal areas of mainly Galveston County as well as Galveston Island this morning in the wake of a cold front. The winds may gust to 30 to 40 mph late this morning. Winds are expected to decrease by early afternoon. TXZ238-161800- /O.EXT.KHGX.WI.Y.0013.000000T0000Z-171016T1800Z/ Galveston- Including the cities of Friendswood, Galveston, League City, and Texas City 942 AM CDT Mon Oct 16 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * EVENT...Sustained winds of 20 to 30 mph with gust 30 to 40 mph at times. * TIMING...Through early afternoon. * IMPACT...STrong and gusty crosswinds on eat-to-west oriented roads will make driving difficult for lightweight and/or high profile vehicles. Unsecured lightweight outdoor objects may also be blown around in the strong winds. 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 |
|---|---|---|---|---|
| Oct 16, 9:45 AM CDT | Rip Current Statement | HGX | Brazoria, Chambers, Galveston, Matagorda | 8 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.