Alert archive / Texas / Flash Flood Warnings in 2010
Flash Flood Warning 22, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Sep 7, 2010, 11:58 AM CDT for 4 counties in Texas. It was in force for 2 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
- Sep 7, 2010, 11:58 AM CDT (16:58 UTC)
- Expired
- Sep 7, 2010, 2:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Colorado County, TX, Jackson County, TX, Matagorda County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 126 km from the middle of the area, began a volume at 17:02 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, 5.0 hours before the alert went out and 187 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
- 1004 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 455 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 70 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 |
|---|---|---|---|---|
| Sep 6, 9:20 PM CDT | Coastal Flood Advisory | HGX | Brazoria, Chambers, Galveston, Matagorda | 7 hr |
| Sep 7, 6:12 AM CDT | Special Marine Warning | HGX | 2 hr | |
| Sep 7, 6:30 AM CDT | Areal Flood Advisory | HGX | Colorado, Jackson, Matagorda, Wharton | 3 hr |
| Sep 7, 7:55 AM CDT | Special Marine Warning | HGX | 2 hr | |
| Sep 7, 8:55 AM CDT | Flash Flood Warning | HGX | Colorado, Jackson, Matagorda, Wharton | 3 hr |
| Sep 7, 9:28 AM CDT | Tornado Warning | HGX | Fort Bend, Waller | 32 min |
| Sep 7, 9:53 AM CDT | Special Marine Warning | HGX | 112 min | |
| Sep 7, 10:00 AM CDT | Tornado Warning | HGX | Waller, Washington | 30 min |
| Sep 7, 10:52 AM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 23 min |
| Sep 7, 11:04 AM CDT | Tornado Warning | HGX | Brazos | 26 min |
| Sep 7, 11:36 AM CDT | Special Marine Warning | HGX | 114 min | |
| Sep 7, 11:42 AM CDT | Areal Flood Advisory | HGX | Harris | 63 min |
| Sep 7, 11:45 AM CDT | Coastal Flood Advisory | HGX | Brazoria, Galveston, Matagorda | 17 hr |
| Sep 7, 11:52 AM CDT | Severe Thunderstorm Warning | HGX | Matagorda | 24 min |
| Sep 7, 12:38 PM CDT | Flash Flood Warning | HGX | Harris | 3 hr |
| Sep 7, 12:51 PM CDT | Special Marine Warning | HGX | 114 min | |
| Sep 7, 12:59 PM CDT | Special Weather Statement | HGX | Harris | 31 min |
| Sep 7, 1:26 PM CDT | Special Marine Warning | HGX | 2 hr | |
| Sep 7, 1:32 PM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery, San Jacinto, Walker | 43 min |
| Sep 7, 1:53 PM CDT | Flash Flood Warning | HGX | Colorado, Jackson, Matagorda, Wharton | 112 min |
| Sep 7, 2:43 PM CDT | Special Marine Warning | HGX | 2 hr | |
| Sep 7, 2:52 PM CDT | Areal Flood Advisory | HGX | Chambers, Harris, Liberty | 3 hr |
| Sep 7, 3:16 PM CDT | Special Weather Statement | HGX | Chambers, Liberty | 59 min |
| Sep 7, 3:46 PM CDT | Flash Flood Warning | HGX | Brazoria, Fort Bend, Matagorda, Wharton | 59 min |
| Sep 7, 4:43 PM CDT | Special Marine Warning | HGX | 47 min |
Nearby
Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010
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.