Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 100, NWS San Angelo, TX

June 28, 2007Haskell County, Throckmorton County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 28, 2007, 3:50 PM CDT for Haskell County, Throckmorton County, Texas. It took effect at Jun 28, 2007, 4:03 PM CDT. It was in force for 6 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: Jun 28, 2007, 3:50 PM CDT (20:50 UTC)
In effect from: Jun 28, 2007, 4:03 PM CDT
Expired: Jun 28, 2007, 9:45 PM CDT
In force: 6 hr
Issued by: NWS San Angelo, TX
Area: Whole counties

Counties Haskell County, TX, Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 74 km from the middle of the area, began a volume at 20:50 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.8 hours before the alert went out and 207 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: 429 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 25 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 Jun 28, 3:26 PM CDT, 24 minutes earlier.

Area forecast discussion, Jun 28, 3:26 PM CDT, 24 minutes before

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Hazardous weather outlook, Jun 28, 3:30 PM CDT, 20 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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
Jun 28, 2:19 AM CDT	Flash Flood Warning	SJT	Brown, Coleman, McCulloch, Runnels	6 hr
Jun 28, 2:19 AM CDT	Flash Flood Warning	SJT	San Saba	6 hr
Jun 28, 3:12 AM CDT	Flash Flood Warning	SJT	Menard, Schleicher	6 hr
Jun 28, 3:49 AM CDT	Flash Flood Warning	SJT	Concho	4 hr
Jun 28, 5:39 AM CDT	Flash Flood Warning	SJT	Kimble, Mason, Sutton	4 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.