Alert archive / Texas / Flash Flood Warnings in 2022

Flash Flood Warning 16, NWS San Angelo, TX

September 2, 2022Tom Green County, Texas

NWS San Angelo, TX issued this flash flood warning at Sep 2, 2022, 3:27 PM CDT for Tom Green County, Texas. It was in force for 2 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
Sep 2, 2022, 3:27 PM CDT (20:27 UTC)
Expired
Sep 2, 2022, 5:30 PM CDT
In force
2 hr
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Tom Green County, TX

The radar

The San Angelo radar (KSJT), 5 km from the middle of the area, began a volume at 20:29 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, 8.5 hours before the alert went out and 175 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, Midland Regional, TX at 12:00Z on 2022-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 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, Midland Regional, TX at 12:00Z on 2022-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
781 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
18 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 Sep 2, 2:52 PM CDT, 35 minutes earlier.

Area forecast discussion, Sep 2, 2:52 PM CDT, 35 minutes before
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Hazardous weather outlook, Sep 2, 1:13 PM CDT, 2 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service San Angelo TX
113 PM CDT Fri Sep 2 2022

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-031815-
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho-
Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford-
Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble-
Mason-
113 PM CDT Fri Sep 2 2022

This Hazardous Weather Outlook is for portions of west central
Texas.

.DAY ONE...This Afternoon and Tonight

Scattered showers and thunderstorms are expected this afternoon
and evening, with less coverage expected overnight. The main
hazards will be occasional lightning and locally heavy rainfall,
which may result in flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Periods of scattered showers and thunderstorms are possible
Saturday into the middle of next week. The main hazards will be
lightning and locally heavy rainfall, which may result in
flooding.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Sep 2, 2:06 PM CDT, 1 hour 21 minutes before
Special Weather Statement
National Weather Service San Angelo TX
206 PM CDT Fri Sep 2 2022

TXZ127-128-022000-
Callahan TX-Taylor TX-
206 PM CDT Fri Sep 2 2022

...A strong thunderstorm will impact portions of western Callahan and
central Taylor Counties through 300 PM CDT...

At 205 PM CDT, Doppler radar was tracking a strong thunderstorm over
Lake Abilene, or near Coronados Camp, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Abilene, Clyde, Wylie, Tuscola, Buffalo Gap, Lawn, Eula, Dudley,
Potosi, View, Coronados Camp, Oplin, Caps, Lake Abilene, Camp
Tonkawa, Ovalo and Kirby Lake.

This includes Interstate 20 between Mile Markers 291 and 301.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3212 10007 3233 10004 3251 9950 3212 9945
TIME...MOT...LOC 1905Z 260DEG 25KT 3224 9992

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

AC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 2:06 PM CDTSpecial Weather StatementSJTTaylor54 min
Sep 2, 2:22 PM CDTAreal Flood AdvisorySJTTom Green113 min
Sep 2, 2:50 PM CDTFlash Flood Warning Considerable damage threatSJTTom Green115 min
Sep 2, 3:32 PM CDTAreal Flood AdvisorySJTCoke, Sterling, Tom Green3 hr
Sep 2, 3:45 PM CDTAreal Flood AdvisorySJTCallahan, Shackelford2 hr
Sep 2, 3:49 PM CDTAreal Flood AdvisorySJTThrockmorton56 min
Sep 2, 4:19 PM CDTAreal Flood AdvisorySJTColeman, Concho, McCulloch116 min
Sep 2, 4:26 PM CDTAreal Flood AdvisorySJTMenard2 hr
Sep 2, 4:56 PM CDTAreal Flood AdvisorySJTIrion, Sterling, Tom Green109 min
Sep 2, 5:16 PM CDTAreal Flood AdvisorySJTHaskell119 min
Sep 2, 5:34 PM CDTAreal Flood AdvisorySJTFisher, Nolan116 min
Sep 2, 5:37 PM CDTAreal Flood AdvisorySJTMcCulloch, San Saba113 min
Sep 2, 5:42 PM CDTAreal Flood AdvisorySJTSchleicher2 hr
Sep 2, 5:50 PM CDTAreal Flood AdvisorySJTKimble, Schleicher, Sutton115 min
Sep 2, 6:00 PM CDTAreal Flood AdvisorySJTCrockett60 min
Sep 2, 6:48 PM CDTAreal Flood AdvisorySJTCrockett117 min
Sep 2, 6:49 PM CDTAreal Flood AdvisorySJTFisher116 min

Nearby

Flash Flood Warnings in Texas, 2022Every flash flood warning in 2022

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.