Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 101, NWS Corpus Christi, TX

August 16, 1998Live Oak County, McMullen County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Aug 16, 1998, 5:10 PM CDT for Live Oak County, McMullen County, Texas. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 16, 1998, 5:10 PM CDT (22:10 UTC)
Expired
Aug 16, 1998, 6:10 PM CDT
In force
60 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Live Oak County, TX, McMullen County, TX

What was reported inside it

TimeReportWhereRemark
Aug 16, 6:00 PM CDTThunderstorm Wind 55Calliham, TXNumerous reports of power lines downed by strong thunderstorm wind gusts along with small metal building being blown over.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.2 hours before the alert went out and 121 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, Corpus Christi, TX at 12:00Z on 1998-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4110 joules per kilogram.LCLEL10008507005003002001001 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, Corpus Christi, TX at 12:00Z on 1998-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
4110 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
557 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
0 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.

664 
WUUS1 KCRP 162212 RRA
SVRCRP
TXC297-311-162310-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
510 PM CDT SUN AUG 16 1998

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MCMULLEN COUNTY IN SOUTH CENTRAL TEXAS
  WESTERN LIVE OAK COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 610 PM CDT

* 510 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST SOUTH OF CALLIHAM... MOVING NORTHEAST 5 TO
  10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SIMMONS AT 520 PM CDT


WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 2:05 PM CDT, 3 hours 5 minutes earlier.

Area forecast discussion, Aug 16, 2:05 PM CDT, 3 hours 5 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
205 PM CDT SUN AUG 16 1998

EWX FOR TONIGHT: COASTAL BEND...P-C 20% CHANCE SHRA/TSRA. SE WIND 5-
10. CROSSROADS...PARTLY TO M-C 30% SHRA/TSRA. SE TO S WIND 5-10. RIO
GRANDE PLAINS...PARTLY TO M-C 30% SHRA/TSRA. SE WIND NEAR 10.

PRELIMS:
CRP B-E/B 078/093 077/093 077 2323 NGP 081/090 080 090 080
VCT   T/B 076/089 075/092 076 3523  ALI 078/094 076/095 077
LRD B-E/B 078/094 078/095 079 3332

DISC: SEABREEZE FNT ENHANCING WIDELY SCT SHRA ALONG THE IMMEDIATE
COASTAL AREAS EARLY THIS AFT FM NQI SWD TOWARD BRO...WHILE OLD
OUTFLOW STRETCHED ACROSS NRN/NERN FA IS RESULTING IN SCT SHRA/TSRA.
AXIS OF DEFORMATION...IDENTIFIED ON H7 ANALYSIS AND DEPICTED IN THIS
MORN'S MODELS IS ALSO PLAYING A ROLE IN THE GENERATION OF SHRA AND
TSRA FM HDO TO CLL. ETA MODEL SINKS THIS FEATURE SLOWLY SWD OVR THE
NXT 24H BEFORE RETREATING NWD...WHILE THE NGM RETAINS IT ACROSS N TX
THRU THE CYCLE. MUCH UNCERTAINTY ALSO EXISTS WITH THE ETA/NGM
DEPICTIONS OF THE MEXICAN UPR LO(S). ETA RETAINS A BETTER DEFINED
SYSTEM AND STRONGER VORT SITUATED ACROSS NE MEXICO/DRT AREA.

NOTHING REALLY NEW TO CONTEND W/ THIS FCST...TOMORROW SHUD BE A
REPEAT OF TODAY W/ THE OVERALL PTN TO REMAIN RATHER UNCHANGED.
SUFFICIENT MOISTURE/INSTABILITY TO REMAIN IN PLACE ACROSS S TX. PWS
FCST TO REMAIN ABV 2.00 INCHES ACROSS THE COASTAL BEND COMBINED W/
WEAK DYNAMICS MUCH OF THE FA SHUD CONT TO SEE SLIGHT CHANCE TO CHANCE
POPS THIS FP. AREAS THAT RECEIVE BEST CHANCE OF RAFL WL BE THOSE LOCS
WHERE OUTFLOW CAN INFLUENCE. MEAN RHS RANGING FM 50-75% POINT TOWARD
SKIES VARYING FM PARTLY CLOUDY TO MOSTLY CLOUDY TONIGHT AND AGAIN ON
MONDAY. PRES GRAD IS WEAK ACROSS THE STATE SO LGT WINDS AT NIGHT AND
LGT INCRNG TO MOD ON MON.

SRP -77-

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.