Alert archive / Texas / Hurricane Warnings in 2020
Hurricane Warning 1013, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this hurricane warning at Aug 25, 2020, 10:04 AM CDT for 5 counties in Texas. It was in force for 39 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 25, 2020, 10:04 AM CDT (15:04 UTC)
- Expired
- Aug 27, 2020, 1:12 AM CDT
- In force
- 39 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Chambers County, TX, Galveston County, TX, Harris County, TX, Liberty County, TX, Polk County, TX
The radar
The Houston radar (KHGX), 57 km from the middle of the area, began a volume at 15:04 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 12:00Z, 3.1 hours before the alert went out and 165 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
- 382 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- -1 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 25, 5:20 AM CDT, 4 hours 44 minutes earlier.
Area forecast discussion, Aug 25, 5:20 AM CDT, 4 hours 44 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 24, 10:23 PM CDT | Small Craft Advisory | HGX | 6 hr | |
| Aug 25, 10:04 AM CDT | Tropical Storm Warning | HGX | Brazoria, Chambers, Fort Bend, Galveston, Grimes, Harris and 9 more | 48 hr |
| Aug 25, 10:07 AM CDT | Storm Surge Warning | HGX | Brazoria, Chambers, Galveston, Harris, Liberty | 42 hr |
| Aug 25, 10:08 AM CDT | Coastal Flood Advisory | HGX | Jackson, Matagorda | 48 hr |
Nearby
Hurricane Warnings in Texas, 2020Every hurricane warning in 2020
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.