Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jan 13, 1998, 3:05 PM CST for Brazoria County, Matagorda County, Texas. It was in force for 75 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
- Jan 13, 1998, 3:05 PM CST (21:05 UTC)
- Expired
- Jan 13, 1998, 4:20 PM CST
- In force
- 75 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Brazoria County, TX, Matagorda County, TX
The radar
The Houston radar (KHGX), 83 km from the middle of the area, began a volume at 21:08 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 9.1 hours before the alert went out and 211 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
- 1933 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
890 WUUS1 KHOU 132106 RRA SVRHOU TXC039-321-132220- BULLETIN - IMMEDITATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 305 PM CST TUE JAN 13 1998 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 420 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEASTERN TEXAS ...SOUTHERN BRAZORIA COUNTY ...SOUTHEASTERN MATAGORDA COUNTY AT 304 PM CST... WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF CEDAR LANE MOVING EAST AT 35 MPH. SOME CITIES AND LOCATIONS IN THE PATH OF THIS STORM ARE... SARGENT BY 315 PM CST LAKE JACKSON BY 335 PM CST FREEPORT BY 340 PM CST ANGLETON BY 340 PM CST IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. PLEASE RELAY SEVERE WEATHER REPORTS TO YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
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 Jan 13, 2:34 PM CST, 31 minutes earlier.
Area forecast discussion, Jan 13, 2:34 PM CST, 31 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 234 PM CST TUE JAN 13 1998 COLD FRONT CONTINUES ITS SLOW PROGRESS TOWARD THE UPPER TX COAST. BOUNDARY IS BETWEEN IAH AND HOU...AND IS JUST OFFSHORE AROUND MATAGORDA BAY. EXPECT FRONT TO CONTINUE HEADING OFFSHORE AND CLEAR THE COAST BY EARLY THIS EVENING. SCATTERED SHRA/TSRA CONTINUE TO FIRE BEHIND THE FRONT IN OUR COASTAL COUNTIES. ACTIVITY IS MOVING TO THE NE AROUND 30 MPH...AND THIS FAST SPEED ALONG WITH EXPECTED DECREASE IN COVERAGE SHOULD KEEP FLASH FLOOD THREAT AT A MINIMUM. WILL ALLOW FLASH FLOOD WATCH TO EXPIRE FOR OUR CWA WITH THE NEXT ZONES ISSUANCE. WILL KEEP -RA/-DZ/BR IN THE OVERNIGHT INLAND FORECAST...WITH SHRA/TSRA CHANCES CONFINED TO THE COASTAL COUNTIES. SHORTWAVE TO MOVE THROUGH SE TX TOMORROW GIVING US ANOTHER SHOT OF SHRA/TSRA. EXPECT THE GREATEST CONCENTRATION TO REMAIN IN THE COASTAL COUNTIES AND OVER OFFSHORE WATERS WHERE BEST PW POOLS AND INSTABILITIES WILL EXIST. NGM MOS TEMPS ARE RUNNING TOO WARM. WILL LEAN TOWARD COOLER AVN HIGHS AND LOWS. PRELIMS... CLL C/T C/B 43/55 41/63 2640 (RA/DZ/BR 1ST PD...SHRA/TSRA 2ND PD) IAH C/T C/B 47/58 45/63 2640 (RA/DZ/BR 1ST PD...SHRA/TSRA 2ND PD) GLS C/T T/B 54/57 49/60 3650 (SHRA/TSRA/BR 1ST PD...SHRA/TSRA 2ND PD) 42/47
In the hours before
Special weather statement, Jan 13, 9:05 AM CST, 6 hours before
TXZ-200-213-214-226-227-235>238-132100- HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 AM CST TUE JAN 13 1998 ...THREAT HEAVY RAINFALL ACROSS SOUTHEAST TEXAS THROUGH THIS AFTERNOON... A WEAK UPPER LEVEL DISTURBANCE COUPLED WITH A COLD FRONT ACROSS THE NORTHERN SECTIONS AND ABUNDANT GULF MOISTURE WILL COMBINE TO PRODUCE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TODAY...MAINLY ALONG AND SOUTH OF AN EDNA TO RICHMOND TO LIBERTY LINE. OTHER CITIES INCLUDED IN THE OUTLOOK AREA ARE...HOUSTON... ANAHUAC... GALVESTON... ANGLETON AND BAY CITY. AT 9 AM...WEATHER RADAR WAS SHOWING A LARGE AREA OF SHOWERS AND THUNDERSTORMS JUST OFFSHORE AND SLOWLY PROGRESSING TO THE NORHTEAST. SCATTERED SHOWERS WERE ALSO NOTED DEVELOPING ACROSS THE OUTLOOK AREA AND EXPECTED TO BECOME MORE NUMEROUS THROUGHOUT THE DAY. RAINFALL AMOUNTS COULD AVERAGE FROM 1 TO 2 INCHES WITH ISOLATED TOTALS OF 3 TO 4 INCHES POSSIBLE. WITH RECENT HEAVY RAINS ACROSS A LARGE PORTION OF SOUTHEAST TEXAS...ADDITIONAL HEAVY RAINFALL COULD LEAD TO A THREAT OF FLASH FLOODING. THEREFORE...RESIDENTS ACROSS SOUTHEAST TEXAS ARE STRONGLY URGED TO STAY ABREAST OF THIS DEVELOPING WEATHER SITUATION. IF CONDITIONS WORSEN AND APPEAR TO POINT TOWARD A FLOOD THREAT...A FLASH FLOOD WATCH MAY BE REQUIRED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
Special weather statement, Jan 13, 9:05 AM CST, 6 hours before
TXZ-200-213-214-226-227-235>238-132100- HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 AM CST TUE JAN 13 1998 ...THREAT HEAVY RAINFALL ACROSS SOUTHEAST TEXAS THROUGH THIS AFTERNOON... A WEAK UPPER LEVEL DISTURBANCE COUPLED WITH A COLD FRONT ACROSS THE NORTHERN SECTIONS AND ABUNDANT GULF MOISTURE WILL COMBINE TO PRODUCE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TODAY...MAINLY ALONG AND SOUTH OF AN EDNA TO RICHMOND TO LIBERTY LINE. OTHER CITIES INCLUDED IN THE OUTLOOK AREA ARE...HOUSTON... ANAHUAC... GALVESTON... ANGLETON AND BAY CITY. AT 9 AM...WEATHER RADAR WAS SHOWING A LARGE AREA OF SHOWERS AND THUNDERSTORMS JUST OFFSHORE AND SLOWLY PROGRESSING TO THE NORHTEAST. SCATTERED SHOWERS WERE ALSO NOTED DEVELOPING ACROSS THE OUTLOOK AREA AND EXPECTED TO BECOME MORE NUMEROUS THROUGHOUT THE DAY. RAINFALL AMOUNTS COULD AVERAGE FROM 1 TO 2 INCHES WITH ISOLATED TOTALS OF 3 TO 4 INCHES POSSIBLE. WITH RECENT HEAVY RAINS ACROSS A LARGE PORTION OF SOUTHEAST TEXAS...ADDITIONAL HEAVY RAINFALL COULD LEAD TO A THREAT OF FLASH FLOODING. THEREFORE...RESIDENTS ACROSS SOUTHEAST TEXAS ARE STRONGLY URGED TO STAY ABREAST OF THIS DEVELOPING WEATHER SITUATION. IF CONDITIONS WORSEN AND APPEAR TO POINT TOWARD A FLOOD THREAT...A FLASH FLOOD WATCH MAY BE REQUIRED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 11:49 AM CST | Flash Flood Warning | HGX | Chambers, Liberty | 3 hr |
| Jan 13, 2:05 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.