Alert archive / Texas / Hurricane Warnings in 2017
Hurricane Warning 1009, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this hurricane warning at Aug 24, 2017, 4:23 AM CDT for Jackson County, Matagorda County, Texas. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2017, 4:23 AM CDT (09:23 UTC)
- Expired
- Aug 26, 2017, 4:31 AM CDT
- In force
- 48 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Jackson County, TX, Matagorda County, TX
The radar
The Houston radar (KHGX), 135 km from the middle of the area, began a volume at 09:22 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, 9.4 hours before the alert went out and 163 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
- 13 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 1991 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this hurricane warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this hurricane warning went out at Aug 23, 11:51 PM CDT, 4 hours 32 minutes earlier.
Area forecast discussion, Aug 23, 11:51 PM CDT, 4 hours 32 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:23 PM CDT | Special Weather Statement | HGX | Brazos | 52 min |
| Aug 23, 7:29 PM CDT | Special Weather Statement | HGX | Waller | 46 min |
| Aug 23, 8:00 PM CDT | Areal Flood Advisory | HGX | Brazos, Burleson, Grimes, Madison | 2 hr |
| Aug 23, 8:22 PM CDT | Special Weather Statement | HGX | Brazos, Grimes, Washington | 53 min |
| Aug 23, 9:00 PM CDT | Flash Flood Warning | HGX | Brazos, Grimes | 3 hr |
| Aug 23, 9:37 PM CDT | Special Weather Statement | HGX | Houston | 38 min |
| Aug 23, 9:55 PM CDT | Areal Flood Advisory | HGX | Houston | 2 hr |
| Aug 24, 4:23 AM CDT | Storm Surge Warning | HGX | Brazoria, Galveston, Jackson, Matagorda | 3 days |
| Aug 24, 4:23 AM CDT | Tropical Storm Warning | HGX | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 6 more | 6 days |
| Aug 24, 5:24 AM CDT | Flash Flood Watch | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 5 days |
| Aug 24, 6:36 PM CDT | Special Marine Warning | HGX | 24 min |
Nearby
Hurricane Warnings in Texas, 2017Every hurricane warning in 2017
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.