Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 7, NWS San Angelo, TX

September 2, 1986Tom Green County, Texas

NWS San Angelo, TX issued this flash flood warning at Sep 2, 1986, 3:00 AM CDT for Tom Green County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 2, 1986, 3:00 AM CDT (08:00 UTC)
Expired
Sep 2, 1986, 6:00 AM CDT
In force
3 hr
Issued by
NWS San Angelo, TX
Area
Whole counties

County Tom Green County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 8.0 hours before the alert went out and 241 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-pSkew-T log-p diagram, Stephenville/Cla, TX at 00:00Z on 1986-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 207 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 00:00Z on 1986-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
207 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 6:30 AM CDTFlash Flood WarningSJTIrion, Tom Green3 hr
Sep 2, 6:30 AM CDTFlash Flood WarningSJTRunnels3 hr
Sep 2, 6:50 PM CDTFlash Flood WarningSJTMcCulloch4 hr

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.