Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 30, NWS Corpus Christi, TX

August 24, 1999McMullen County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 24, 1999, 2:25 AM CDT for McMullen County, Texas. It was in force for 3 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: Aug 24, 1999, 2:25 AM CDT (07:25 UTC)
Expired: Aug 24, 1999, 5:15 AM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Whole counties

County McMullen County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.4 hours before the alert went out and 248 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: 1501 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Corpus Christi, TX wrote its last area forecast discussion before this flash flood warning went out at Aug 23, 3:30 PM CDT, 10 hours 55 minutes earlier.

Area forecast discussion, Aug 23, 3:30 PM CDT, 10 hours 55 minutes before

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The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 23, 7:00 PM CDT	Flash Flood Warning	CRP	Aransas, Refugio	2 hr
Aug 23, 10:51 PM CDT	Flash Flood Warning	CRP	Jim Wells, Kleberg	114 min
Aug 24, 12:34 AM CDT	Flash Flood Warning	CRP	Jim Wells, Kleberg, Nueces	3 hr
Aug 24, 2:25 AM CDT	Flash Flood Warning	CRP	Bee, Live Oak, San Patricio	3 hr
Aug 24, 5:20 AM CDT	Flash Flood Warning	CRP	Webb	3 hr
Aug 24, 8:15 AM CDT	Flash Flood Warning	CRP	La Salle, Webb	4 hr

Nearby

Flash Flood Warnings in Texas, 1999 Every flash flood warning in 1999

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.