Alert archive / Texas / Tornado Warnings in 1998
Tornado Warning 47, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Oct 5, 1998, 12:58 AM CDT for Brazoria County, Texas. It was in force for 47 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
- Oct 5, 1998, 12:58 AM CDT (05:58 UTC)
- Expired
- Oct 5, 1998, 1:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Brazoria County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 5, 1:35 AM CDT | Tornado F0 | Angleton, TX | Brief tornado touchdown just east of Angleton. Cattle ranch sustained structural damage and loss of livestock. |
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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.0 hours before the alert went out and 240 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
- 179 J/kg
- Mixed-layer CIN
- -183 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 434 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
666 WFUS1 KHOU 050557 RRA TORHOU TXC039-050645- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1258 AM CDT MON OCT 5 1998 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A * TORNADO WARNING FOR... BRAZORIA COUNTY IN SOUTHEASTERN TEXAS * UNTIL 145 AM CDT * AT 1256 AM CDT... WEATHER RADAR INDICATED A TORNADIC THUNDERSTORM 28 MILES SOUTH OF ALVIN OR 15 MILES SOUTH OF DANBURY MOVING NORTH AT 20 MPH. * THIS TORNADO IS EXPECTED TO BE NEAR... DANBURY BY 135 AM CDT THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A PLACE OF SAFETY IN A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED 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 Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Oct 4, 8:35 PM CDT, 4 hours 23 minutes earlier.
Area forecast discussion, Oct 4, 8:35 PM CDT, 4 hours 23 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 835 PM CDT SUN OCT 4 1998 BUSY NIGHT HERE AT THE WFO. MOISTURE RICH ATMOSPHERE AND UPR DIFLUENCE SEEM TO COMBINE WITH AN AREA OF SFC CONVERGENCE ALG THE I-45 CORRIDOR TO PRODUCE HEAVY RAINFALL IN THE SE PTN OF OUR CWA. THE AREA OF HEAVIEST RAINFALL APPEARS TO HAVE GOTTEN A KICK IN THE LAST HALF HOUR...AND HOPEFULLY WILL EXIT THE CWA WITHIN THE HOUR. HAVENT HAD TIME FOR AN EXHAUSTIVE OVERVIEW OF THE MODELS...BUT AM SKEPTICAL OF THE DRYING BEING INDICATED LATE TNGT INTO TMRW BY THE ETA. ITS BEEN OFF ON THIS FOR THE LAST TWO DAYS. NGM HOLDS MOISTURE IN...AND WITH A DEEP SLY FLOW OFF THE GULF...THIS SOLN SEEMS MOST REASONABLE. ANOTHER VORT LOBE IS SLATED TO CROSS THE AREA TMRW. COULD SEE ANOTHER ROUND OF RW/TRW...SOME WITH HVY RAIN. ANOTHER ONE IS ON OUR DOORSTEP BY 12Z TUE. SIGH. CAN LOWER POPS NRN ZONES FOR THE NIGHT. LEAVE THEM ALONE ELSW... SHD SEE REDEVELOPMENT AGAIN ALG COAST BY DAWN...AS WAS THE CASE PREV TWO NIGHTS. PRELIMS... CLL B/B E/E 075/092 074/088 1335 IAH E/B E/E 074/092 075/088 3334 GLS B/B B/E 077/089 078/087 4334 SW B/B B/E 076/090 076/088 2223 (JACKSON/MATAGORDA)
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 8:57 PM CDT | Flash Flood Warning | HGX | Galveston | 113 min |
| Oct 4, 10:51 PM CDT | Flash Flood Warning | HGX | Galveston | 119 min |
| Oct 5, 1:32 AM CDT | Tornado Warning | HGX | Brazoria, Galveston, Harris | 28 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.