Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 52, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 30, 1999, 6:02 PM CDT for Fort Bend County, Texas. It was in force for 63 min. 2 reports 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, 1999, 6:02 PM CDT (23:02 UTC)
- Expired
- May 30, 1999, 7:05 PM CDT
- In force
- 63 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Fort Bend County, TX
The radar
The Houston radar (KHGX), 67 km from the middle of the area, began a volume at 23:03 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, 6:30 PM CDT | Tornado F1 | Fairchilds, TX | Tornado along FM 361 near Fairchilds about 2 miles west of intersection of FM 1994 and FM 1852. Power lines and power poles downed, barn damaged and trees uprooted. |
| May 30, 6:52 PM CDT | Hail 0.75 | Guy, TX |
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
Corpus Christi, TX (KCRP), launched 12:00Z, 11.0 hours before the alert went out and 252 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
- 3171 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 302302 RRA TORHOU TXC157-310005- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 602 PM CDT SUN MAY 30 1999 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A * TORNADO WARNING FOR... FORT BEND COUNTY IN SOUTHEASTERN TEXAS * UNTIL 705 PM CDT * AT 600 PM... WEATHER RADAR INDICATED A TORNADIC THUNDERSTORM 7 MILES SOUTHEAST OF RICHMOND...MOVING SOUTHEAST AT 10 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... THOMPSONS AT 615 PM JULIFF AT 625 PM IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK REFUGE IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
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 May 30, 2:45 PM CDT, 3 hours 17 minutes earlier.
Area forecast discussion, May 30, 2:45 PM CDT, 3 hours 17 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 245 PM CDT SUN MAY 30 1999 LAST GASP OF SHRA/TSRA SHD DIE A DIURNAL DEATH THIS EVENING WITH EXITING VORT ENERGY AND LOSS OF SFC HEATING. WILL TAKE A LOOK AT RADAR PRIOR TO PRESS TIME TO BETTER REFINE WHERE MENTION IS NEEDED EARLY IN FIRST PERIOD. MOS HAS BEEN RUNNING WARM LATELY ON NIGHTTIME MINS. WILL LOWER VALUES JUST A HAIR. FOR MON...WAS ON THE FENCE AS TO WHAT TO DO REGARDING MENTION OF PSBL ISOLD CONVECTION. ETA PAINTS A DECENT INSTAB AXIS ACRS AREA. BEST MOISTURE NE HALF. NOTICED SWODY2...IT HAS US IN A GEN OUTLOOK. WILL GO AHEAD AND MENTION ISOLD ACTIVITY FOR NE ZONES AND MAYBE SOME ERN COASTAL ZONES. THANKS FOR THE COORD FTW AND SHV. OTRW...H5 RDG IS IN CONTROL FOR MUCH OF THE WEEK. PW VALUES HOVERING AROUND 1.5 INCHES THRU 48 HRS. MOISTURE IS THERE...BUT DONT SEE ANY S/W ACTION OR SFC FEATURES THAT WOULD INDICATE A NEED TO MENTION PRECIP. ISOLD POTENTIAL ALG SEABREEZE FNT OR ANY LEFTOVER CONVECTIVE BOUNDARIES CAN BE HANDLED ON A DAY TO DAY BASIS. GENERALLY THO...A WARM AND HUMID PERIOD THROUGH MID TO LATE WEEK. DAYTIME TEMPS AT OR SLIGHTLY ABOVE MOS FCSTS. ALLS QUIET IN THE MARINE AREA. NO FLAGS THIS PKG. .HGX...NONE. PRELIMS... CLL BB 071/095 072/095 072 -00 IAH BB 072/095 073/095 073 -00 GLS BB 075/086 075/086 075 010 46/43
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:18 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 42 min |
| May 30, 3:44 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 46 min |
| May 30, 4:27 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 33 min |
| May 30, 4:30 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 35 min |
| May 30, 4:36 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 54 min |
| May 30, 4:58 PM CDT | Tornado Warning | HGX | Fort Bend | 62 min |
| May 30, 5:09 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 51 min |
| May 30, 5:48 PM CDT | Flash Flood Warning | HGX | Fort Bend | 117 min |
| May 30, 6:31 PM CDT | Severe Thunderstorm Warning | HGX | Austin, Waller | 44 min |
| May 30, 6:50 PM CDT | Tornado Warning | HGX | Colorado | 50 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999
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.