Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 129, NWS Houston/Galveston, TX

June 6, 1998Galveston County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 6, 1998, 12:13 AM CDT for Galveston County, Texas. It was in force for 62 min. 2 reports 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
Jun 6, 1998, 12:13 AM CDT (05:13 UTC)
Expired
Jun 6, 1998, 1:15 AM CDT
In force
62 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Galveston County, TX

What was reported inside it

TimeReportWhereRemark
Jun 6, 12:45 AM CDTHail 0.75Jamaica Beach, TX
Jun 6, 1:00 AM CDTThunderstorm Wind 85Galveston, TXCoast Guard estimated 85 knot winds at the ferry landing. 150 dry dock blew off moorings into a ship. Dredge pipes (75 foot long, 2000-3000 pounds) blown off shore into the water.

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 00:00Z, 5.2 hours before the alert went out and 302 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 1998-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4475 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 1998-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
4475 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
-0.5
Supercell composite
-2.3

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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 2:57 PM CDT, 9 hours 16 minutes earlier.

Area forecast discussion, Jun 5, 2:57 PM CDT, 9 hours 16 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
257 PM CDT FRI JUN 5 1998

CF AT 19Z WAS JUST SOUTH OF A JCT...GRK...TYR LN AND JUST NRTH OF CLL
ATTM.  RADAR LOOP WITH GRK SHOWS DVLPMNT OUT AHEAD AND BEHIND FNT AS
CF IS SHALLOW WITH 85H FNT STILL WELL BACK OVR NRTH TX.  WITH STRNG
INSTABILITIES OVR FA...EXPECT THREAT OF ELEVATED ACTIVITY BEHIND FNT
TO CONT OVR FA THRU TNGT AS WELL.  EST TIMING OF SLW MVG CF ATTM IS
CLL AREA ARND 21Z-23Z...IAH 23Z-02Z AND NEAR GLS BY ARND 06Z-09Z.
ETA IS HINTING AT CF HANGING UP OVR COASTAL COUNTIES BUT APPEARS ENUF
PUSH IS PRESENT TO GET IT OFF COAST BY AT LEAST 10Z SAT.  THREAT OF
SVR WX & LCLY HVY RAIN STILL EXSIST LATE AFTN-TNGT AS AFTN CF...AFTN
HTG & WEAK S/WS IN UPR JET ALL TANGLE WITH A VERY MOIST & UNSTABLE
SE TX AIRMASS.  SUSPECT A 1-2 DEG CAP IS HOLDING LID ON THINGS
ATTM...BUT WATCH OUT WHEN THIS GIVES WAY AS CF & OUTFLOWS PUSH INTO
AREA.  AS FOR RMNG FCST PERIODS...MDLS SHOW HIGH PRES BLDG IN WAKE OF
FROPA WITH COOLER/DRIER AIR FILTERING IN ON SAT.  PERSISTANT W-E
ORIENTED ZONAL UPR JET THRU PERIOD WUD SUGGEST SLOW CLRG...IF ANY...
BEHIND FROPA.  THEREFORE...WILL BE SLW TO SCT INLAMND ZONES OUT ON
SAT AND KEEP MC SKIES IN ALNG COAST TILL SAT NGT.  PTLY CLDY AND
COOLER ON TAP FOR SUN BUT RIDGE MVS EWD ALLOWING WNDS TO GO EAST ON
SUN THEN BACK TO A HUMID SE FLOW BY TUES.  LOOKING AT TMPS BEHIND FNT
ENCOURAGES ME TO LEAN TWRD COOLER AVN NUMBERS ATTM.  39

PRELIMS...
CLL  E/E>B B/B 70/85 65/86  7100
IAH  E/E>B B/B 72/86 68/86  821-
GLS  E/E   B/B 77/86 74/86  8321

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:27 PM CDTSevere Thunderstorm WarningHGXFort Bend63 min
Jun 5, 8:12 PM CDTSevere Thunderstorm WarningHGXColorado63 min
Jun 5, 9:48 PM CDTSevere Thunderstorm WarningHGXJackson, Wharton62 min
Jun 5, 11:00 PM CDTSevere Thunderstorm WarningHGXFort Bend65 min
Jun 5, 11:32 PM CDTSevere Thunderstorm WarningHGXBrazoria63 min
Jun 6, 12:06 AM CDTSevere Thunderstorm WarningHGXWharton64 min

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.