Alert archive / Texas / Tornado Warnings in 1998
Tornado Warning 46, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Oct 4, 1998, 1:59 PM CDT for Harris 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
- Oct 4, 1998, 1:59 PM CDT (18:59 UTC)
- Expired
- Oct 4, 1998, 2:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Harris County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.0 hours before the alert went out and 213 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.
- Mixed-layer CAPE
- 2319 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
945 WFUS1 KHOU 041858 RRA TORHOU TXC201-041930- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 159 PM CDT SUN OCT 4 1998 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A * TORNADO WARNING FOR... HARRIS COUNTY IN SOUTHEASTERN TEXAS * UNTIL 230 PM CDT * AT 155 PM CDT... RADAR AND SPOTTER REPORTS INDICATED A TORNADIC THUNDERSTORM NEAR INTERCONTINENTAL AIRPORT OR ABOUT 17 MILES NORTH OF DOWNTOWN HOUSTON AND MOVING NORTH AT 15 MPH. * THIS TORNADIC THUNDERSTORM IS EXPECTED TO BE NEAR... KINGWOOD BY 215 PM CDT IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS.
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 Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Oct 4, 9:32 AM CDT, 4 hours 27 minutes earlier.
Area forecast discussion, Oct 4, 9:32 AM CDT, 4 hours 27 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 932 AM CDT SUN OCT 4 1998 MRNG ANALYSIS SHOWS SUTTLE S/W TREKING ACRS S CNTRL TX WITH FAIRLY COOL TMPS ALOFT. S/W ENERGY IS INTERACTING WITH AN UNCAPPED... VERY MOIST (ARND 2.0 INCH PWS) AND MODERATELY UNSTABLE (-9 LIS) SE TX AIRMASS TO PRODUCE SCT SHWRS/TSTMS ACRS MAINLY THE COASTAL AND CNTRL ZONES ATTM. A MODIFIED MEAN LIFT ON THE 12Z CRP & LCH SOUNDINGS INDICATE FA SHUD SEE CAPES IN THE 2600-3600 RANGE BY THIS AFTN WHILE WEAK S/W ENERGY CONTS TO PUSH EWD DURING PEAK HTG. ALTHO LTL SFC FOCUS IS NOTED...CRNT CONVECTIVE ACTIVITY WILL LIKELY LEAVE SUTTLE BNDRYS FOR PSBL FOCUS LATER THIS AFTN. SUSPECT FA IS JUST TO MOIST FOR THREAT OF SVR BUT WOULD NOT RULE OUT AN ISOLATED DOWNBURST DURING PEAK HTG. OTHERWISE...BEST CHC OF RAIN CONTS TO BE OVR ERN PORTIONS OF FA AND ALNG THE COAST. CRNT FCST HAS GOOD HANDLE ON SITUATION. NO CHANGES NEEDED ATTM. 39 PRELIMS... CLL B/E U/B 091/073 092/072 3222 2ND PERIOD MAINLY EVENING...3RD PERIOD MOSTLY SUNNY WITH MAINLY AFTERNOON AND EVENING SHRA/TSRA IAH B/E B/B 091/073 092/074 4222 GLS B/E B/B 089/079 089/079 5232 LIBERTY/SAN JAC/POLK B/E B/B 090/072 091/072 5222
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 6:52 PM CDT | Flash Flood Warning | HGX | Galveston, Harris | 118 min |
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.