Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 183, NWS San Angelo, TX

August 22, 1997Taylor County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Aug 22, 1997, 7:14 PM CDT for Taylor County, Texas. It was in force for 31 min. 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 22, 1997, 7:14 PM CDT (00:14 UTC)
Expired
Aug 22, 1997, 7:45 PM CDT
In force
31 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Taylor County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.2 hours before the alert went out and 221 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 00:00Z on 1997-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 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 00:00Z on 1997-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
162 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
2872 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
48 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.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 22, 1:40 PM CDT, 5 hours 34 minutes earlier.

Area forecast discussion, Aug 22, 1:40 PM CDT, 5 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
139 PM CDT FRI AUG 22 1997

UPPER RIDGE EXTENDING THROUGH THE INTERMOUNTAIN WEST WILL SHARPEN
AND EXTEND TO THE NORTH CENTRAL PLAINS THE NEXT 2 DAYS...WITH UPPER
FLOW OVER WEST CENTRAL TX BECOMING MORE NORTHERLY. NGM/ETA DEVELOP
CONVECTION EARLY IN THE FIRST PERIOD OVER CENTRAL TEXAS...IN THE
VICINITY OF THIS MORNING/S DECAYED MCS. THIS SEEMS PLAUSABLE...GIVEN
CONVECTIVE VORT MAX AND NUMEROUS BOUNDARIES ASSOCIATED WITH THIS
FEATURE. NO SIGNIFICANT UPSTREAM SHORTWAVE IS EVIDENT OVER THE
CENTRAL PLAINS AT THIS TIME. 850 MB HIGH PRESSURE SETTLING INTO NORTH
TX WILL PRECLUDE LOW LEVEL JET FEEDING HIGH THETA-E AIR INTO ANOTHER
NORTHWEST FLOW MCS.

BEST RAIN CHANCE SHOULD BE OVER THE CENTRAL CWA...AND PRIMARILY
BEFORE 06Z. KDYX VAD WIND PROFILER INDICATES SHALLOW COOL LAYER 1000
FEET OR LESS DEEP...AND EXPECT THIS LAYER TO GRADUALLY ERODE.  SLIGHT
POPS THUS LOOK IN ORDER FOR ABI.

WILL PRIMARILY FOLLOW A BLEND OF NGM MOS AND PERSISTENCE ON TEMPS.

PRELIMINARIES...

ABI 070/091 1-
SJT 068/097 21
JCT 070/098 21

14

In the hours before

Special weather statement, Aug 22, 2:23 PM CDT, 4 hours 51 minutes before
TXZ049-053-054-064>066-071>073-076>078-098-099-113-114-127-128-
139-140-154-155-168>170-231100-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
223 PM CDT FRI AUG 22 1997

...WIDELY SCATTERED NON SEVERE THUNDERSTORMS EXPECTED OVER WEST
CENTRAL TEXAS PRIMARILY THIS EVENING...

THUNDERSTORMS WILL CONTINUE TO FORM ALONG OUTFLOW BOUNDARIES LEFT
FROM MORNING THUNDERSTORMS THAT DISSIPATED OVER THE BIG COUNTRY.
THESE BOUNDARIES ARE EXPECTED TO MOVE AS FAR SOUTH AS THE EDWARDS
PLATEAU BY THIS EVENING. DUE TO WEAK WINDS ALOFT...SEVERE
THUNDERSTORMS ARE NOT EXPECTED. HOWEVER...DOWNBURST WINDS TO 50 MPH
AND SMALL HAIL ARE POSSIBLE WITH THE STRONGEST STORMS. ONLY ISOLATED
THUNDERSTORMS ARE EXPECTED IN THE BIG COUNTRY...BEHIND THE MAIN
OUTFLOW BOUNDARY.

THUNDERSTORM CHANCES WILL DECREASE OVER WEST CENTRAL TEXAS AFTER
MIDNIGHT.

SPOTTER ACTIVATION IS NOT ANTICIPATED.

FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT
LBBSPSMAF. FOR THE WESTERN PARTS OF NORTH TEXAS...NORTH CENTRAL
TEXAS...AND SOUTH CENTRAL TEXAS OUTLOOKS SEE PRODUCTS OKCSPSOKC...
FTWSPSFTW...AND SATSPSSAT.

14
Special weather statement, Aug 22, 2:24 PM CDT, 4 hours 50 minutes before
TXZ049-053-054-064>066-071>073-076>078-098-099-113-114-127-128-
139-140-154-155-168>170-231100-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
223 PM CDT FRI AUG 22 1997

...WIDELY SCATTERED NON SEVERE THUNDERSTORMS EXPECTED OVER WEST
CENTRAL TEXAS PRIMARILY THIS EVENING...

THUNDERSTORMS WILL CONTINUE TO FORM ALONG OUTFLOW BOUNDARIES LEFT
FROM MORNING THUNDERSTORMS THAT DISSIPATED OVER THE BIG COUNTRY.
THESE BOUNDARIES ARE EXPECTED TO MOVE AS FAR SOUTH AS THE EDWARDS
PLATEAU BY THIS EVENING. DUE TO WEAK WINDS ALOFT...SEVERE
THUNDERSTORMS ARE NOT EXPECTED. HOWEVER...DOWNBURST WINDS TO 50 MPH
AND SMALL HAIL ARE POSSIBLE WITH THE STRONGEST STORMS. ONLY ISOLATED
THUNDERSTORMS ARE EXPECTED IN THE BIG COUNTRY...BEHIND THE MAIN
OUTFLOW BOUNDARY.

THUNDERSTORM CHANCES WILL DECREASE OVER WEST CENTRAL TEXAS AFTER
MIDNIGHT.

SPOTTER ACTIVATION IS NOT ANTICIPATED.

FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT
LBBSPSMAF. FOR THE WESTERN PARTS OF NORTH TEXAS...NORTH CENTRAL
TEXAS...AND SOUTH CENTRAL TEXAS OUTLOOKS SEE PRODUCTS OKCSPSOKC...
FTWSPSFTW...AND SATSPSSAT.

14

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 7:17 PM CDTSevere Thunderstorm WarningSJTColeman48 min
Aug 22, 7:23 PM CDTTornado WarningSJTRunnels32 min
Aug 22, 7:59 PM CDTSevere Thunderstorm WarningSJTRunnels46 min
Aug 22, 8:04 PM CDTSevere Thunderstorm WarningSJTColeman46 min
Aug 22, 8:50 PM CDTSevere Thunderstorm WarningSJTColeman45 min
Aug 22, 9:37 PM CDTSevere Thunderstorm WarningSJTColeman48 min
Aug 22, 10:00 PM CDTSevere Thunderstorm WarningSJTMitchell65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.