Alert archive / Texas / Flash Flood Watches in 2008
Flash Flood Watch 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood watch at Mar 17, 2008, 3:37 AM CDT for 11 counties in Texas. It took effect at Mar 17, 2008, 7:00 PM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 2008, 3:37 AM CDT (08:37 UTC)
- In effect from
- Mar 17, 2008, 7:00 PM CDT
- Expired
- Mar 18, 2008, 1:00 PM CDT
- In force
- 18 hr
- Issued by
- NWS Austin/San Antonio, TX
- Flood severity
- None
Counties Bastrop County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Fayette County, TX, Gillespie County, TX, Hays County, TX, Lee County, TX, Llano County, TX, Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 66 km from the middle of the area, began a volume at 08:41 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, 8.6 hours before the alert went out and 290 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
- 675 J/kg
- Mixed-layer CIN
- -392 J/kg
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood watch went out at Mar 17, 12:14 AM CDT, 3 hours 23 minutes earlier.
Area forecast discussion, Mar 17, 12:14 AM CDT, 3 hours 23 minutes before
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</html>The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 3:47 AM CDT | Wind Advisory | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 12 hr |
| Mar 17, 6:34 AM CDT | Fire Weather Watch | EWX | Dimmit, Frio, Kinney, Maverick, Uvalde, Val Verde and 1 more | 8 hr |
| Mar 17, 2:56 PM CDT | Red Flag Warning | EWX | Dimmit, Frio, Kinney, Maverick, Uvalde, Val Verde and 1 more | 28 hr |
| Mar 17, 6:31 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 29 min |
| Mar 17, 6:42 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 33 min |
Nearby
Flash Flood Watches in Texas, 2008Every flash flood watch in 2008
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.