Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 11, NWS San Angelo, TX

April 29, 2007Crockett County, Texas

NWS San Angelo, TX issued this flash flood warning at Apr 29, 2007, 9:53 AM CDT for Crockett County, Texas. It was in force for 4 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: Apr 29, 2007, 9:53 AM CDT (14:53 UTC)
Expired: Apr 29, 2007, 2:00 PM CDT
In force: 4 hr
Issued by: NWS San Angelo, TX
Area: Whole counties

County Crockett County, TX

The radar

The San Angelo radar (KSJT), 113 km from the middle of the area, began a volume at 14:56 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

Midland Regional, TX (KMAF), launched 12:00Z, 2.9 hours before the alert went out and 156 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: 996 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 603 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

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 Apr 29, 6:43 AM CDT, 3 hours 10 minutes earlier.

Area forecast discussion, Apr 29, 6:43 AM CDT, 3 hours 10 minutes before

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Hazardous weather outlook, Apr 29, 4:51 AM CDT, 5 hours 2 minutes before

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In the hours before

Special weather statement, Apr 29, 5:15 AM CDT, 4 hours 38 minutes before

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Special weather statement, Apr 29, 6:46 AM CDT, 3 hours 7 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
Apr 29, 3:01 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Tom Green	25 min
Apr 29, 3:02 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	43 min
Apr 29, 3:18 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels, Tom Green	42 min
Apr 29, 4:00 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels	45 min
Apr 29, 4:05 PM CDT	Flash Flood Watch	SJT	Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more	19 hr
Apr 29, 4:07 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	23 min
Apr 29, 4:09 PM CDT	Tornado Warning	SJT	Coke, Runnels	51 min
Apr 29, 4:26 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	34 min
Apr 29, 4:57 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	63 min
Apr 29, 5:13 PM CDT	Severe Thunderstorm Warning	SJT	Jones	62 min
Apr 29, 5:16 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	59 min
Apr 29, 5:47 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Shackelford, Throckmorton	58 min
Apr 29, 6:08 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan	52 min
Apr 29, 6:15 PM CDT	Flash Flood Warning	SJT	Haskell, Jones, Shackelford, Throckmorton	3 hr
Apr 29, 6:46 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	59 min

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.