Alert archive / Texas / Tornado Warnings in 1993
Tornado Warning 7, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 5, 1993, 9:58 AM CDT for Montgomery County, Texas. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- May 5, 1993, 9:58 AM CDT (14:58 UTC)
- Expired
- May 5, 1993, 10:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Montgomery County, TX
The radar
The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 15:00 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.0 hours before the alert went out and 222 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
- 949 J/kg
- Mixed-layer CIN
- -302 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 051500 TORHOU TXC339-051545- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON TX 958 AM CDT WED MAY 5 1993 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1045 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST TEXAS ...MONTGOMERY COUNTY AT 955 AM RADAR INDICATES A POSSIBLE TORNADO ON HIGHWAY 3083 NEAR EXXON ROAD. THE TORNADO WAS MOVING NORTHEAST AT 30 MILES AN HOUR. PERSONS IN CONROE TAKE COVER IMMEDIATELY. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.
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.
In the hours before
Special weather statement, May 5, 7:06 AM CDT, 2 hours 52 minutes before
TXZ032-037-045>049-051400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 705 AM CDT WED MAY 05 1993 ...THUNDERSTORMS CONTINUE MOVING INTO SOUTHEAST TEXAS... AT 655 AM CDT... SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO DEVELOP OVER SOUTHEAST TEXAS WHILE A LAFGER AREA OF STORMS WAS APPROACHING FROM THE WEST. A NARROW BAND OF SHOWERS AN THUNDERSTORMS ABOIUT 5 MILES WIDE EXTENDED FORM LEAGUE CITY... ACROSS EASTERN HARRIS COUNTY... TO NEAR NAVASOTA AND COLLEGE STATION. STORMS WITH VERY HEAVY RAIN AND POSIBLY SMALL HAIL WERE NEW ULM AND BRENHAM IN AUSTIN AND WASHINGTON COUNTIES... AND ALSO BETWEEN PALACIOS AND VICTORIA. THE AREA OF STORMS NEAR PALACIOS EXTENDED SOUTHEASWARD INTO THE ADJACENT GULF TO OVER 50 MILES OFFSHORE. THESE STORMS WERE MOVING TO THE NORTH-NORTH EAST AT ABOUT 25 MPH. FURTHER TO THE WEST... THE LEADING EDGE OF A LARGER AREA OF STORMS MOVING OUT OF SOUTH TEXAS WAS ALONG A LINE FROM EAST OF CUERO... TO WEST OF COLOMBIA... TO NEAR DIME BOX. THESE STORMS WERE MOVING TO THE EAST AT ABOUT 20 MPH AND WILL OVERRUN COLORADO COUNTY AND PARTS OF WASHINGTON AND AUSTIN COUNTIES DURING THE NEXT HOUR. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Special weather statement, May 5, 7:52 AM CDT, 2 hours 6 minutes before
TXZ032-037-045>049-051500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 751 AM CDT WED MAY 05 1993 ...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO CLOBBER PARTS OF SOUTHEAST TEXAS... AT 740 AM CDT... NUMEROUS SHOWERS AND THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN... CONTINUED OVER PARTS SOUTHEAST TEXAS. MOST OF THE PRECIPITATION WAS WEST OF A LINE FROM THE MATAGORDA PENINSULA TO COLLEGE STATION... ALTHOUGH A NARROW BAND OF SHOWERS AND THUNDERSTORMS ABOUT 10 MILES WIDE ALSO CONTINUED FROM THE CLEAR LAKE AREA TO NORTH OF COLLEGE STATION. OVER THE GULF THE PRECIPITATION EXTENDED INTO THE GULF TO OVER 75 MILES SOUTHEAST OF MATAGORDA BAY. MOVEMENT WAS TO THE NORTHEAST AT ABOUT 30 MPH. SEVERAL OF THESE STORMS ARE LIKELY TO PRODUCE RAINFALL AMOUNTS OF 2 TO 3 INCHES AN HOUR... ESPECIALLY IN THE AREA BETWEEN BRENHAM AND COLLEGE STATION WHERE EARLIER STORMS ARE MERGING WITH A CLUSTER OF STORMS MIVING IN FROM THE WEST. HEAVY RAINS ARE ALSO LIKELY DURING THE NEXT HOUR FROM WHARTON TO SEALY... WHERE OTHER STORMS ARE BEGINNING TO MERGE. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Special weather statement, May 5, 7:52 AM CDT, 2 hours 6 minutes before
TXZ032-037-045>049-051500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 751 AM CDT WED MAY 05 1993 ...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO CLOBBER PARTS OF SOUTHEAST TEXAS... AT 740 AM CDT... NUMEROUS SHOWERS AND THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN... CONTINUED OVER PARTS SOUTHEAST TEXAS. MOST OF THE PRECIPITATION WAS WEST OF A LINE FROM THE MATAGORDA PENINSULA TO COLLEGE STATION... ALTHOUGH A NARROW BAND OF SHOWERS AND THUNDERSTORMS ABOUT 10 MILES WIDE ALSO CONTINUED FROM THE CLEAR LAKE AREA TO NORTH OF COLLEGE STATION. OVER THE GULF THE PRECIPITATION EXTENDED INTO THE GULF TO OVER 75 MILES SOUTHEAST OF MATAGORDA BAY. MOVEMENT WAS TO THE NORTHEAST AT ABOUT 30 MPH. SEVERAL OF THESE STORMS ARE LIKELY TO PRODUCE RAINFALL AMOUNTS OF 2 TO 3 INCHES AN HOUR... ESPECIALLY IN THE AREA BETWEEN BRENHAM AND COLLEGE STATION WHERE EARLIER STORMS ARE MERGING WITH A CLUSTER OF STORMS MIVING IN FROM THE WEST. HEAVY RAINS ARE ALSO LIKELY DURING THE NEXT HOUR FROM WHARTON TO SEALY... WHERE OTHER STORMS ARE BEGINNING TO MERGE. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR ,POSSIBLE WARNINGS.
Special weather statement, May 5, 9:17 AM CDT, 41 minutes before
TXZ48-511-513-051700- SPECIAL AND MARINE WEATHER STATEMENT... NATIONAL WEATHER SERVICE GALVESTON TX 919 AM CDT WED MAY 05 1993 ...SEVERE THUNDERSTORM WATCH FOR GALVESTON BAY AREA UNTIL 4 PM CDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GALVESTON ISLAND... GALVESTON AND CHAMBERS COUNTIES INCLUDING ALL ADJACENT COASTAL WATERS FROM HIGH ISLAND TO SAN LUIS PASS UNTIUL 4 PM CDT THIS AFTERNOON. SHOWERS AND THUNDERSTORMS...A FEW WITH LOCALLY HEAVY RAIN EXTENDED FROM NEAR MONTGOMERY TO EAST OF MATAGORDA...WAS MOVING EAST AT 30 MILES AN HOUYR. A SMALL CRAFT ADVISORY IS IN EFFECT. SMALL CRAFT SHOULD REMAIN IN PORT OR SEEK SAFE HARBOR IF AFLOAT...AS GUSTY WINDS AND BRIEF HEAVY RAIN MAY BE EXPERIENCED AS THESE STORMS PASS THROUGH THE AREA. ALL RESIDENTS SHOULD REMAIN ALERT TO THREATENING WEATHER. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 5, 9:48 AM CDT, 10 minutes before
TXZ032-037-045>049-051540- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 940 AM CDT WED MAY 05 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTHEAST AND SOUTHEAS TEXAS AND ADJACENT WATERS UNTIL 400 PM... ...THE SEVERE THUNDRSTORM WARNING FOR GRIMES AND WALLER COUNTIES EXPIRED AT 930 AM... ...THUNDERSTORMS WITH VERY HEAVY RAIN MOVING INTO THE HUNTSVILLE... CONROE... AND HOUSTON METROPOLIGTAN AREAS... THE SEVERE STORM FORECAST CENTER ISSUED A SEVERE THUNDERSTORMS WATCH AT 915 AM CDT FOR MUCH OF SOUTHEAST TEXAS. THE WATCH INCLUDES THE FOLLOWING COUNTIES... HOUSTON... TRINITY.. AUTSIN... COLORADO... WASHINGTON... WHARTON... BRAZORIA... GRIMES... MONTGOMERY... SAN JACINTO... LIBERTY... FORT BEND... HARRIS... WALKER... POLK... WALLER... AND MATAGORDA. ALTHOUGH THESE STORMS HAVE DIMINISHED SLIGHTLY IN INTENSITY DURING THE PAST HOUR... THE POTENTIAL FOR LARGE HAIL AND WINDS OF 60 MPH OR MORE EXISTS IN THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE IMMEDIATE ACTION SHOULD THREATENING WEATHER APPROACH. AT 930 AM CDT... NUMEROUS SHOWERS AND THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN... CONTINUED OVER PARTS SOUTHEAST TEXAS. MOST OF THE PRECIPITATION WAS WEST OF A LINE FROM CROCKETT TO SAN LUIS PASS. THE HEAVIEST SHOWERS WERE IN A CLUSTER OF STORMS BETWEEN PALACIOS AND ALVIN AND A LARGER CLUSTER FROM NEAR RICHMOND TO SOUTH OF HUNTSVILLE. THE PRECIPITATION WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR... WHILE INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE NORTH-NORTHEAST. OVER THE GULF THE PRECIPITATION EXTENDED INTO THE GULF TO OVER 75 MILES SOUTHEAST OF MATAGORDA BAY. THESE STORMS WILL BE MOVING INTO THE HUNTSVILLE... CONROE... SPRING... AND NORTHERN HOUSTON AREAS WITHIN THE HOUR. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Special weather statement, May 5, 9:48 AM CDT, 10 minutes before
TXZ032-037-045>049-051540- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 940 AM CDT WED MAY 05 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTHEAST AND SOUTHEAS TEXAS AND ADJACENT WATERS UNTIL 400 PM... ...THE SEVERE THUNDRSTORM WARNING FOR GRIMES AND WALLER COUNTIES EXPIRED AT 930 AM... ...THUNDERSTORMS WITH VERY HEAVY RAIN MOVING INTO THE HUNTSVILLE... CONROE... AND HOUSTON METROPOLIGTAN AREAS... THE SEVERE STORM FORECAST CENTER ISSUED A SEVERE THUNDERSTORMS WATCH AT 915 AM CDT FOR MUCH OF SOUTHEAST TEXAS. THE WATCH INCLUDES THE FOLLOWING COUNTIES... HOUSTON... TRINITY.. AUTSIN... COLORADO... WASHINGTON... WHARTON... BRAZORIA... GRIMES... MONTGOMERY... SAN JACINTO... LIBERTY... FORT BEND... HARRIS... WALKER... POLK... WALLER... AND MATAGORDA. ALTHOUGH THESE STORMS HAVE DIMINISHED SLIGHTLY IN INTENSITY DURING THE PAST HOUR... THE POTENTIAL FOR LARGE HAIL AND WINDS OF 60 MPH OR MORE EXISTS IN THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE IMMEDIATE ACTION SHOULD THREATENING WEATHER APPROACH. AT 930 AM CDT... NUMEROUS SHOWERS AND THUNDERSTORMS...SEVERAL WITH VERY HEAVY RAIN... CONTINUED OVER PARTS SOUTHEAST TEXAS. MOST OF THE PRECIPITATION WAS WEST OF A LINE FROM CROCKETT TO SAN LUIS PASS. THE HEAVIEST SHOWERS WERE IN A CLUSTER OF STORMS BETWEEN PALACIOS AND ALVIN AND A LARGER CLUSTER FROM NEAR RICHMOND TO SOUTH OF HUNTSVILLE. THE PRECIPITATION WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR... WHILE INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE NORTH-NORTHEAST. OVER THE GULF THE PRECIPITATION EXTENDED INTO THE GULF TO OVER 75 MILES SOUTHEAST OF MATAGORDA BAY. THESE STORMS WILL BE MOVING INTO THE HUNTSVILLE... CONROE... SPRING... AND NORTHERN HOUSTON AREAS WITHIN THE HOUR. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 8:24 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Grimes, Waller | 66 min |
Nearby
Tornado Warnings in Texas, 1993Every tornado warning in 1993Tornadoes in 1993
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.