Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 14, NWS Corpus Christi, TX

August 6, 1998Nueces County, Texas

NWS Corpus Christi, TX issued this tornado warning at Aug 6, 1998, 3:00 PM CDT for Nueces County, Texas. It was in force for 45 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 6, 1998, 3:00 PM CDT (20:00 UTC)
Expired: Aug 6, 1998, 3:45 PM CDT
In force: 45 min
Issued by: NWS Corpus Christi, TX
Area: Whole counties

County Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 5 km from the middle of the area, began a volume at 20:00 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.0 hours before the alert went out and 17 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2237 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 54 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

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

701 
WFUS1 KCRP 061959 RRA
TORCRP
TXC355-062045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
300 PM CDT THU AUG 6 1998

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  NUECES COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 345 PM CDT

* 255 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  POSSIBLE TORNADO NEAR OLD BROWNSVILLE ROAD AND SOUTH PADRE ISLAND
  DRIVE... MOVING NORTHEAST 15 MPH.

* THE TORNADO WILL BE NEAR...
  CORPUS CHRISTI AT 300 PM CDT

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE
THUNDERSTORMS WILL OCCASIONALLY PRODUCE TORNADOES.

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE
THE THREAT OF RISING WATER.

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Aug 6, 2:45 PM CDT, 15 minutes earlier.

Area forecast discussion, Aug 6, 2:45 PM CDT, 15 minutes before

COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
245 PM CDT THU AUG 6 1998

KCRP DOPPLER RADAR INDICATED A BOUNDARY NORTHWEST OF CRP MOVG SE AND
SEA BREEZE MOVG INLAND WITH THUNDERSTORMS BEGINNING TO DEVELOP ALONG
THE BOUNDARY LINES. CRP REPORTING TSRA. WILL KEEP POPS IN THROUGH
EVENING HOURS.

NOT MUCH CHANGE IN THE WEATHER PATTERN FOR THE NEXT 48 HRS.
FRONT PROGGED TO REMAIN STATIONARY FROM LRD TO E TX THROUGH SAT
MORNING. A VORT MAX IS PROGGED JUST S OF BRO DURING SAME TIME FRAME.
MODELS INDICATE PWAT AROUND 2 INCHES WITH K INDEX AROUND 30 AND CAPES
AROUND 3000. BOTH ETA AND NGM TIME SECTIONS SHOW DEEPENING OF
MOIST...HOWEVER ETA VVEL GO TO -50 FOR FRIDAY AFTERNOON WHILE NGM
ONLY INDICATES VVEL OF -10. NGM MOS GUIDANCE HAS POPS IN THE TEENS ON
FRI...FMR SHOWS 50% CHANCE WHILE AVN IS IN BETWEEN WITH 30% POPS.
FAVOR THE AVN/FMR WITH ANOTHER ROUND OF CONVECTION ON TAP THROUGH
FRI.

AFTER COORDINATION WITH EWX...WILL INCLUDE MCMULLEN AND LASALLE
COUNTIES IN FFA FOR TONIGHT. OTHER LOCATIONS ARE VERY DRY AND WILL
TAKE QUITE A BIT OF RAIN BEFORE IT BECOMES A PROBLEM.

WRK ZONES...
.TONIGHT...M/C WITH A % CHANCE OF EVENING SHRA/TSRA. LOCALLY HEAVY
RAINFALL POSSIBLE. SE WINDS NEAR 10 MPH (CRP). LIGHT AND VARIABLE
(VCT). VARIABLE NEAR 10 MPH (LRD).
.FRIDAY...M/C WITH A % CHANCE OF SHRA/TSRA. LOCALLY HEAVY RAINFALL
POSSIBLE. SE WIND NEAR 15 MPH(CRP/LRD). S TO SE WIND 10 TO 15 MPH
(VCT).
.FRIDAY NIGHT...M/C WITH A % CHANCE OF SHRA/TSRA.
.SATURDAY...P/C WITH A % CHANCE OF SHRA/TSRA.

FORECAST NUMBERS...
CRP EB 078/095 077/097 077 4(EVENING)432
NGP    080/090 080/090 080
ALI    076/097 076/098 076
LRD EB 077/097 077/099 077 5(EVENI|NG)532
VCT EB 074/094 075/097 075 5(EVENING)532

TP...81

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 7:12 PM CDT	Severe Thunderstorm Warning	CRP	McMullen	28 min
Aug 6, 10:41 AM CDT	Flash Flood Warning	CRP	La Salle	3 hr

Nearby

Tornado Warnings in Texas, 1998 Every tornado warning in 1998 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.