Alert archive / Texas / Wind Advisories in 2010
Wind Advisory 4, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Mar 20, 2010, 4:58 AM CDT for 23 counties in Texas. It took effect at Mar 20, 2010, 1:00 PM CDT. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Mar 20, 2010, 4:58 AM CDT (09:58 UTC)
- In effect from
- Mar 20, 2010, 1:00 PM CDT
- Expired
- Mar 21, 2010, 7:00 PM CDT
- In force
- 30 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 10:03 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 00:00Z, 10.0 hours before the alert went out and 306 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
- 25 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:59 PM CDT | Gale Warning | HGX | 38 hr | |
| Mar 20, 7:46 AM CDT | Special Weather Statement | HGX | Brazos, Burleson, Washington | 89 min |
| Mar 20, 9:14 AM CDT | Special Weather Statement | HGX | Austin, Colorado, Fort Bend, Grimes, Jackson, Montgomery and 2 more | 61 min |
| Mar 20, 9:40 AM CDT | Special Marine Warning | HGX | 2 hr | |
| Mar 20, 9:53 AM CDT | Severe Thunderstorm Warning | HGX | Jackson | 52 min |
| Mar 20, 10:48 AM CDT | Special Weather Statement | HGX | Matagorda | 57 min |
| Mar 20, 10:57 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Jackson, Matagorda | 63 min |
| Mar 20, 11:40 AM CDT | Special Marine Warning | HGX | 2 hr | |
| Mar 20, 11:58 AM CDT | Special Weather Statement | HGX | Brazoria, Galveston | 62 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.