Alert archive / Texas / Tornado Warnings in 1998
Tornado Warning 45, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Sep 16, 1998, 3:36 PM CDT for Brazoria County, Texas. It was in force for 59 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
- Sep 16, 1998, 3:36 PM CDT (20:36 UTC)
- Expired
- Sep 16, 1998, 4:35 PM CDT
- In force
- 59 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Brazoria County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.6 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
- 299 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 681 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
860 WFUS1 KHOU 162035 RRA TORHOU TXC039-162135- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 336 PM CDT WED SEP 16 1998 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A * TORNADO WARNING FOR... BRAZORIA COUNTY IN SOUTHEASTERN TEXAS * UNTIL 435 PM CDT * AT 330 PM...PUBLIC REPORTS INDICATED A TORNADO NEAR CR-797 AND FM-521 NEAR BRAZORIA...MOVING NORTHWEST AT 20 MILES AN HOUR. OTHER PUBLIC REPORTS INDICATED A TORNADO NEAR FREEPORT MOVING NORTHWEST AT 20 MILES AN HOUR. * THESE TORNADO IS EXPECTED TO MOVE NEAR...JONES CREEK...SWEENY... AND OLD OCEAN. 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 Sep 16, 2:20 PM CDT, 1 hour 16 minutes earlier.
Area forecast discussion, Sep 16, 2:20 PM CDT, 1 hour 16 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 220 PM CDT WED SEP 16 1998 ALTHOUGH MODELS HAVE BEEN CONSISTENT WITH DRYING AIRMASS OVR FA...THIS HAS BEEN VERY SLOW TO OCCUR. SOME DRYING HAS OCCURRED OVER EXT SE TX. THIS IS EVIDENT IN WV LOOP AND LCH 12Z SOUNDING. BELIEVE E ZONES OF FA WILL HAVE A REDUCED CHC OF RAIN COMPARED TO W ZONES FOR FIRST PART OF FORECAST PD. MODELS SHOW PW DECREASING TO LESS THAN 2 INCHES BY TOMORROW ACROSS FA FOR THE FIRST TIME IN QUITE A WHILE. WILL CONTINUE FFA FOR SW PORTIONS OF FA TONIGHT DUE TO CURRENT PROBLEMS AND LL CONVERGENCE ACROSS THIS AREA. ANY FURTHER RAINFALL TONIGHT WILL CAUSE PROBLEMS DUE TO SATURATION OF GROUND AND FLOODED CREEKS. THERE IS A DECENT AMOUNT OF UNCERTAINTY AT END OF FP DUE TO POTENTIAL DEVELOPMENT WITH THE AREA OF LOW PRESSURE IN THE GULF. HOWEVER...FA LIKELY TO BE ON SUBSIDENT SIDE DURING LAST 24 HRS OF THE FORECAST PD...SO WILL INCLUDE SCT POPS FOR AFT HEATING INDUCED SHWRS AND TSTMS AND CONTINUING EVENING ACTIVITY. WILL CONTINUE COASTAL FLOOD WATCH AS LEVELS REMAIN CLOSE TO 2 FEET ABOVE PREDICTED HEIGHTS AND EASTERLY FLOW WILL CONTINUE WITH POSSIBLE INCREASE DURING 24-36 HR TIME FRAME IF TROPICAL WV DEVELOPS. GIVEN PROGGED SFC PRESSURE PATN...FLOW LIKELY TO BECOME NE ALONG TX COAST WHICH WILL NOT ALLOW FOR ANY IMPROVEMENT IN TIDE LEVELS. PRELIMS... IAH C/E B/B 75/89/74/90 3323 CLL C/E B/B 75/88/73/91 4323 GLS E/B B/B 80/88/78/88 3223 SW C/E B/B 76/88/76/90 5323 FFA TONIGHT (WHARTON,JACKSON,MATAGORDA,COLORADO,AUSTIN) 33
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:14 PM CDT | Flash Flood Warning | HGX | Austin, Colorado, Wharton | 3 hr |
| Sep 15, 10:03 PM CDT | Flash Flood Warning | HGX | Wharton | 4 hr |
| Sep 16, 12:35 AM CDT | Flash Flood Warning | HGX | Brazoria | 2 hr |
| Sep 16, 1:40 AM CDT | Flash Flood Warning | HGX | Fort Bend, Harris | 2 hr |
| Sep 16, 9:24 AM CDT | Flash Flood Warning | HGX | Jackson | 3 hr |
| Sep 16, 12:24 PM CDT | Flash Flood Warning | HGX | Jackson | 3 hr |
| Sep 16, 3:30 PM CDT | Flash Flood Warning | HGX | Jackson | 3 hr |
| Sep 16, 6:06 PM CDT | Flash Flood Warning | HGX | Jackson | 114 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.