Alert archive / Texas / Wind Advisories in 2015
Wind Advisory 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Nov 7, 2015, 9:41 AM CST for 5 counties in Texas. It took effect at Nov 7, 2015, 12:00 PM CST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Nov 7, 2015, 9:41 AM CST (15:41 UTC)
- In effect from
- Nov 7, 2015, 12:00 PM CST
- Expired
- Nov 8, 2015, 6:00 AM CST
- In force
- 18 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 15:44 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, 3.7 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
- 1383 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 586 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
768 WWUS74 KHGX 071541 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 941 AM CST SAT NOV 7 2015 ...WIND ADVISORY THIS AFTERNOON AND TONIGHT FOR COASTAL AREAS... .STRONG NORTHERLY WINDS WILL DEVELOP LATER TODAY NEAR THE COAST AND BAY SHORELINES BEHIND A COLD FRONT. TXZ214-235>238-081200- /O.NEW.KHGX.WI.Y.0013.151107T1800Z-151108T1200Z/ 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 941 AM CST SAT NOV 7 2015 ...WIND ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST SUNDAY. * EVENT...NORTH WINDS OF 25 TO 30 MPH WITH GUSTS AROUND 40 MPH. * TIMING...NOON SATURDAY THOUGH 6 AM SUNDAY. * IMPACT...LOOSE ITEMS SUCH AS LAWN FURNITURE AND TRASH CANS AS WELL AS CANOPIES WILL BE BLOWN AROUND. 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. OUTDOOR CANOPIES SHOULD BE SECURED. LOOSE ITEMS SHOULD BE BROUGHT INDOORS. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 8:50 PM CST | Marine Dense Fog Advisory | HGX | 6 hr | |
| Nov 6, 9:20 PM CST | Dense Fog Advisory | HGX | Brazoria, Chambers, Fort Bend, Galveston, Harris, Jackson and 3 more | 6 hr |
| Nov 7, 9:42 AM CST | Small Craft Advisory | HGX | 26 hr | |
| Nov 7, 10:56 AM CST | Areal Flood Advisory | HGX | Brazoria | 109 min |
| Nov 7, 3:42 PM CST | Gale Warning | HGX | 14 hr | |
| Nov 7, 3:42 PM CST | Small Craft Advisory | HGX | 20 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.