Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 21, NWS San Angelo, TX

May 28, 2002Shackelford County, Texas

NWS San Angelo, TX issued this flash flood warning at May 28, 2002, 6:58 AM CDT for Shackelford 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 outline as issued.

The facts

Issued
May 28, 2002, 6:58 AM CDT (11:58 UTC)
Expired
May 28, 2002, 9:00 AM CDT
In force
2 hr
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Shackelford County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 12.0 hours before the alert went out and 197 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, Fort Worth, TX at 00:00Z on 2002-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2002-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1557 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KSJT 281158
FFWSJT
TXC417-281400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
655 AM CDT TUE MAY 28 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SHACKELFORD COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 900 AM CDT

* AT 655 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF 
MODERATE RAIN OVER THE SOUTHERN HALF OF SHACKELFORD COUNTY.

* RAINFALL TOTALING UP TO TWO AND A HALF INCHES HAS FALLEN IN THE 
WARNED AREA EARLY THIS MORNING...WITH ADDITIONAL RAINFALL UP TO ONE 
INCH EXPECTED THROUGH ABOUT 8 AM.  THIS ADDITIONAL RAINFALL WILL 
PRODUCE FLOODING OF LOW WATER CROSSINGS AND SOME ROADWAYS... 
ESPECIALLY IN THE ALBANY AREA.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH
MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT ATTEMPT TO
DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.

LAT...LON 3276 9956 3257 9949 3260 9916 3281 9921

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:17 PM CDTSevere Thunderstorm WarningSJTTom Green58 min
May 27, 7:40 PM CDTSevere Thunderstorm WarningSJTCoke50 min
May 27, 7:43 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min
May 27, 7:49 PM CDTSevere Thunderstorm WarningSJTIrion56 min
May 27, 8:10 PM CDTSevere Thunderstorm WarningSJTTom Green65 min
May 27, 8:25 PM CDTSevere Thunderstorm WarningSJTConcho65 min
May 27, 8:44 PM CDTSevere Thunderstorm WarningSJTSchleicher61 min
May 27, 9:10 PM CDTSevere Thunderstorm WarningSJTMenard65 min
May 27, 9:23 PM CDTSevere Thunderstorm WarningSJTConcho52 min
May 27, 9:40 PM CDTSevere Thunderstorm WarningSJTMcCulloch65 min
May 27, 9:45 PM CDTSevere Thunderstorm WarningSJTSchleicher45 min
May 27, 10:03 PM CDTSevere Thunderstorm WarningSJTSutton42 min
May 27, 10:10 PM CDTSevere Thunderstorm WarningSJTMason80 min
May 27, 10:20 PM CDTFlash Flood WarningSJTMcCulloch2 hr
May 27, 10:20 PM CDTSevere Thunderstorm WarningSJTKimble55 min
May 27, 10:29 PM CDTSevere Thunderstorm WarningSJTSan Saba61 min
May 27, 11:14 PM CDTSevere Thunderstorm WarningSJTKimble46 min

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.