Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 15, NWS Corpus Christi, TX

August 22, 1998Calhoun County, Texas

NWS Corpus Christi, TX issued this tornado warning at Aug 22, 1998, 1:18 AM CDT for Calhoun County, Texas. It was in force for 62 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, 1998, 1:18 AM CDT (06:18 UTC)
Expired
Aug 22, 1998, 2:20 AM CDT
In force
62 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Calhoun County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.3 hours before the alert went out and 106 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 00:00Z on 1998-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 735 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, Corpus Christi, TX at 00:00Z on 1998-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
735 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
20 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.

368 
WFUS1 KCRP 220617 RRA
TORCRP
TXC057-220720-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
118 AM CDT SAT AUG 22 1998

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

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

* UNTIL 220 AM CDT

* 112 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  POSSIBLE TORNADO NEAR THE BARRIER ISLANDS OR...ABOUT 12 MILES
  SOUTHEAST OF SEADRIFT MOVING NORTHWEST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  SEADRIFT AROUND 130 AM
  LONG MOTT AROUND 145 AM

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.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE... GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR. AVOID WINDOWS AND DOORS. ABANDON CARS AND MOBILE HOMES FOR
A STURDIER BUILDING OR GET INTO A DITCH OR CULVERT.

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 21, 8:25 PM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, Aug 21, 8:25 PM CDT, 4 hours 53 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
825 PM CDT FRI AUG 21 1998

LOOKS LIKE RAIN IS FINALLY COMING TO AN END OVER OUR NWRN ZONES NEAR
COT. HOWEVER VCT MAY STILL PICK UP A FEW GOOD SHOWERS OVNT FROM APCHG
RAINBANDS.  WILL DROP POPS FOR ALL BUT VCT AREA WHERE WE WILL LEAVE
40%.  CRP 00Z SOUNDING IS STILL VERY MOIST AND VIS LOOP IDENTIFIES
COPIOUS AMTS OF MOISTURE REMAINING IN THE WRN GULF. SAT TRENDS MV
THIS MOISTURE OUR WAY AND WILL BRING A CONTINUED THREAT OF DAYTIME
SHOWERS FOR OUR REGION. BROADENING UPPER RIDGE ACROSS THE CNTRL
PLAINS MAY REDUCE RAIN CHCS FOR MON.

T.D. CHARLEY IS MVG STEADILY WWD TOWARD EAGLE PASS AND WINDS ARE
RESPONDING ACCORDINGLY.  EXPECT WINDS TO COME BACK AROUND TO THE S-SE
FOR COT AND LRD LATE.  CRP AND VCT ARE ALREADY BACK TO THE USUAL SELY
FLOW.  WILL TWEAK VCT WINDS UP A NOTCH NEAR PASSING SHOWERS.  WITH
CLOUD COVER IN PLACE...TEMPS LOOK FINE.  CWF LOOKS FINE ALSO.  BAY
WATERS COULD BE TOUGH TO NAVIGATE FROM HIGH TIDAL LVLS DRAINING INTO
THE GULF.  WINDS ALSO RUNNING 15-20 MPH RANGE.  WILL KEEP SCAS UP
FOR THE BAYS.

ZONE CHG REQUESTS...
CRP...DROP POPS.
VCT...40% CHC OF SH/TSRA.  SE WINDS 10-15 MPH...HIGHER AND GUSTY NR
PASSING SHOWERS.
LRD...DROP POPS.  NW-W WINDS BECMG S-SE LATE.

JM...075

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 1:40 AM CDTSevere Thunderstorm WarningCRPAransas60 min
Aug 22, 2:57 AM CDTFlash Flood WarningCRPAransas3 hr
Aug 22, 3:16 AM CDTFlash Flood WarningCRPRefugio3 hr
Aug 22, 4:31 AM CDTSevere Thunderstorm WarningCRPRefugio64 min
Aug 22, 4:39 AM CDTSevere Thunderstorm WarningCRPSan Patricio61 min
Aug 22, 5:36 AM CDTFlash Flood WarningCRPBee3 hr
Aug 22, 5:49 AM CDTFlash Flood WarningCRPRefugio3 hr
Aug 22, 6:27 AM CDTSevere Thunderstorm WarningCRPBee, San Patricio58 min
Aug 22, 6:27 AM CDTSevere Thunderstorm WarningCRPGoliad58 min
Aug 22, 10:12 AM CDTFlash Flood WarningCRPLive Oak3 hr
Aug 22, 11:32 AM CDTFlash Flood WarningCRPMcMullen2 hr

Nearby

Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes 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.