Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 118, NWS San Angelo, TX

August 2, 20074 counties in Texas

NWS San Angelo, TX issued this flash flood warning at Aug 2, 2007, 4:34 PM CDT for 4 counties in Texas. It took effect at Aug 2, 2007, 4:39 PM CDT. It was in force for 111 min. 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 2, 2007, 4:34 PM CDT (21:34 UTC)
In effect from: Aug 2, 2007, 4:39 PM CDT
Expired: Aug 2, 2007, 6:30 PM CDT
In force: 111 min
Issued by: NWS San Angelo, TX
Area: Whole counties

Counties Kimble County, TX, Menard County, TX, Schleicher County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 82 km from the middle of the area, began a volume at 21:36 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

Del Rio, TX (KDRT), launched 12:00Z, 9.6 hours before the alert went out and 161 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 981 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Aug 2, 3:15 PM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Aug 2, 3:15 PM CDT, 1 hour 19 minutes before

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Hazardous weather outlook, Aug 2, 3:23 PM CDT, 1 hour 11 minutes before

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In the hours before

Local storm report, Aug 2, 2:40 PM CDT, 1 hour 54 minutes before

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Local storm report, Aug 2, 2:42 PM CDT, 1 hour 52 minutes before

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Local storm report, Aug 2, 2:44 PM CDT, 1 hour 50 minutes before

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Local storm report, Aug 2, 2:46 PM CDT, 1 hour 48 minutes before

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Local storm report, Aug 2, 2:50 PM CDT, 1 hour 44 minutes before

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Local storm report, Aug 2, 2:51 PM CDT, 1 hour 43 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 7:05 PM CDT	Flash Flood Warning	SJT	Sterling	115 min
Aug 1, 10:11 PM CDT	Flash Flood Warning	SJT	Fisher, Nolan	3 hr
Aug 2, 11:26 AM CDT	Flash Flood Warning	SJT	Callahan, Fisher, Jones, Nolan, Shackelford, Taylor	6 hr
Aug 2, 12:00 PM CDT	Flash Flood Watch	SJT	Brown, Callahan, Coke, Coleman, Concho, Crockett and 13 more	13 hr
Aug 2, 12:40 PM CDT	Flash Flood Warning	SJT	Crockett, Sutton	3 hr

Nearby

Flash Flood Warnings in Texas, 2007 Every flash flood warning in 2007

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.