Alert archive / Texas / Tornado Warnings in 1993
Tornado Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 30, 1993, 1:35 PM CDT for Harris County, Texas. It was in force for 40 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
- May 30, 1993, 1:35 PM CDT (18:35 UTC)
- Expired
- May 30, 1993, 2:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Harris County, TX
The radar
The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 18:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 1:35 PM CDT | Tornado F0 | Harris, TX | The United States Coast Guard reported a tornado near Patrick's Bayou in eastern Harris county. No damage was reported. |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.6 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
- 561 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 11 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 301836 TORHOU TXC201-301915- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON TX 135 PM CDT SUN MAY 30 1993 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST TEXAS ...EASTERN HARRIS COUNTY AT 137 PM A TORNADO WAS NEAR PATRICKS BAYOU BY THE COAST GUARD VESSEL TRAFFIC SERVICE. MOVING TOWARDS DEER PARK. TAKE COVER IMMEDIATELY. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO 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.
In the hours before
Special weather statement, May 30, 10:46 AM CDT, 2 hours 49 minutes before
TXZ032-037-045>047-049-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1046 AM CDT SUN MAY 30 1993 THERE IS A CHANCE FOR STRONG THUNDERSTORMS TODAY WITH A FEW BECOMING SEVERE LATER THIS AFTERNOON. THE COMBINATION OF AN APPROACHING UPPER AREA OF LOW PRESSURE AND WARM TEMPERATURES FORECASTED IN THE UPPER 80S MAY TRIGGER THESE STORMS. FOR THOSE OF YOU PLANNING OUTDOOR ACTIVITIES...BE SURE TO KEEP YOUR EYE ON THE SKY. KEEP YOUR RADIO OR TELEVISION TUNED TO A NEWS SOURCE WHEN THE THREAT OF SEVERE WEATHER APPROACHES YOUR AREA. HAVE A SAFE AND ENJOYABLE MEMORIAL DAY WEEKEND.
Special weather statement, May 30, 10:47 AM CDT, 2 hours 48 minutes before
TXZ032-037-045>047-049-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1046 AM CDT SUN MAY 30 1993 THERE IS A CHANCE FOR STRONG THUNDERSTORMS TODAY WITH A FEW BECOMING SEVERE LATER THIS AFTERNOON. THE COMBINATION OF AN APPROACHING UPPER AREA OF LOW PRESSURE AND WARM TEMPERATURES FORECASTED IN THE UPPER 80S MAY TRIGGER THESE STORMS. FOR THOSE OF YOU PLANNING OUTDOOR ACTIVITIES...BE SURE TO KEEP YOUR EYE ON THE SKY. KEEP YOUR RADIO OR TELEVISION TUNED TO A NEWS SOURCE WHEN THE THREAT OF SEVERE WEATHER APPROACHES YOUR AREA. HAVE A SAFE AND ENJOYABLE MEMORIAL DAY WEEKEND.
Special weather statement, May 30, 11:57 AM CDT, 1 hour 38 minutes before
TXZ032-037-045>047-049-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1157 AM CDT SUN MAY 30 1993 ...SHOWERS AND THUNDERSTORMS DEVELOPING RAPIDLY ACROSS SOUTHEAST TEXAS... BETWEEN 11 AM AND 12 PM...SHOWERS AND THUNDERSTORMS HAD INCREASED IN COVERAGE AND INTENSITY ACROSS SOUTHEAST TEXAS. AT 1147 AM... AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...WAS BETWEEN COLLEGE STATION...BEAMONT AND MATAGORDA BAY. THE INDIVIDUAL STORMS WERE MOVING NORTHEAST AT 10 MILES AN HOUR WHILE THE AREA WAS SHIFTING EAST AT 20 MILES AN HOUR. THE HEAVIEST RAINFALL WAS MOVING INTO MATAGORDA COUNTY FROM MIDFIELD TO PALACIOUS. SOME OF THESE STORMS MAY PRODUCE BRIEF GUSTY WINDS...HEAVY RAINFALL... AND DANGEROUS LIGHTNING. REMEMBER THAT LIGHTNING IS THE UNDER RATED KILLER.
Special weather statement, May 30, 11:58 AM CDT, 1 hour 37 minutes before
TXZ032-037-045>047-049-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1157 AM CDT SUN MAY 30 1993 ...SHOWERS AND THUNDERSTORMS DEVELOPING RAPIDLY ACROSS SOUTHEAST TEXAS... BETWEEN 11 AM AND 12 PM...SHOWERS AND THUNDERSTORMS HAD INCREASED IN COVERAGE AND INTENSITY ACROSS SOUTHEAST TEXAS. AT 1147 AM... AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...WAS BETWEEN COLLEGE STATION...BEAMONT AND MATAGORDA BAY. THE INDIVIDUAL STORMS WERE MOVING NORTHEAST AT 10 MILES AN HOUR WHILE THE AREA WAS SHIFTING EAST AT 20 MILES AN HOUR. THE HEAVIEST RAINFALL WAS MOVING INTO MATAGORDA COUNTY FROM MIDFIELD TO PALACIOUS. SOME OF THESE STORMS MAY LPRODUCE BRIEF GUSTY WINDS...HEAVY RAINFALL... AND DANGEROUS LIGHTNING. REMEMBER THAT LIGHTNING IS THE UNDER RATED KILLER.
Special weather statement, May 30, 1:09 PM CDT, 26 minutes before
TXZ032-037-045>047-049-511-301915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 109 PM CDT SUN MAY 30 1993 ...SHOWERS AND THUNDERSTORMS CONTINUE TO RUMBLE ACROSS SOUTHEAST TEXAS... STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER SOUTHEAST TEXAS. AT 1247 PM A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL EXTENDED FROM CONROE THROUGH DOWNTOWN HOUSTON TO LEAGUE CITY. A SECOND AREA OF THUNDERSTORMS FROM MADISONVILLE TO WHARTON TO MATAGORDA BAY. THE HEAVIEST RAINFALL WAS FROM SURFSIDE TO NASA TO LIBERTY. ANOTHER AREA OF HEAVY RAINFALL WAS FROM CONROE TO DOWNTOWN HOUSTON. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 15 MPH. THESE THUNDERSTORMS WERE PRODUCING FREQUENT LIGHTNING AND VERY HEAVY RAIN. SO KEEP AN EAR TO THE LOCALE NEWS AND AN EYE ON THE SKY.
Special weather statement, May 30, 1:09 PM CDT, 26 minutes before
TXZ032-037-045>047-049-511-301915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 109 PM CDT SUN MAY 30 1993 ...SHOWERS AND THUNDERSTORMS CONTINUE TO RUMBLE ACROSS SOUTHEAST TEXAS... STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER SOUTHEAST TEXAS. AT 1247 PM A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL EXTENDED FROM CONROE THROUGH DOWNTOWN HOUSTON TO LEAGUE CITY. A SECOND AREA OF THUNDERSTORMS FROM MADISONVILLE TO WHARTON TO MATAGORDA BAY. THE HEAVIEST RAINFALL WAS FROM SURFSIDE TO NASA TO LIBERTY. ANOTHER AREA OF HEAVY RAINFALL WAS FROM CONROE TO DOWNTOWN HOUSTON. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 15 MPH. THESE THUNDERSTORMS WERE PRODUCING FREQUENT LIGHTNING AND VERY HEAVY RAIN. SO KEEP AN EAR TO THE LOCALE NEWS AND AN EYE ON THE SKY.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 2:24 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 54 min |
| May 30, 2:45 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 60 min |
| May 30, 3:30 PM CDT | Tornado Warning | HGX | Harris | 30 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.