Scattered thunderstorms produced damaging winds and large hail.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HGX wrote it up.
Scattered thunderstorms produced damaging winds and large hail.
The local office's own words before the first event, 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 the first event at May 17, 10:06 AM CST, 2 hours 31 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1106 AM CDT MON MAY 17 2010 .DISCUSSION... GPSMET DATA AND SFC ANALYSIS INDICATES THAT MOISTURE HAS INCREASED ACROSS THE AREA COMPARED TO YESTERDAY. PWS HAVE INCREASED TO 1.6 INCHES WITH SFC DEWPOINTS IN THE MID 70S OVER THE COASTAL ZONES. VISIBLE SATELLITE IMAGERY SHOWS A NORTHWEST TO SOUTHEAST ORIENTED SFC BOUNDARY THAT EXTENDS FROM TEMPLE TO CONROE TO PORT ARTHUR...WITH ANOTHER BOUNDARY PARALLEL TO THIS NEAR VICTORIA AND MATAGORDA BAY. THESE BOUNDARIES IN COMBINATION WITH THE SEABREEZE WILL FOCUS ISOLATED TO SCATTERED CONVECTIVE DEVELOPMENT. THE 4KM NMM-WRF...THE LOCAL WRF...AND THE NAM ALL SHOW CONVECTIVE DEVELOPMENT THIS AFTN. THE ACTIVITY SHOULD DISSIPATE SHORTLY AFTER SUNSET. WILL UP POPS TO 30 PCT ACROSS THE AREA. MADE SOME MINOR ADJUSTMENTS TO TEMPS AS WELL. 35 && .PREV DISCUSSION... /ISSUED 642 AM CDT MON MAY 17 2010/ AVIATION... A MAJORITY OF SITES CRATERING AGAIN THIS MORNING UNDER NO DISCERNIBLE WIND AND NEAR-ZERO TEMP/DEW PT SPREADS. DUE TO SHALLOW NATURE OF FOG...SHOULD QUICKLY IMPROVE TO VFR BY 14-15Z. A DEFINITE CB DAY AS THERE ARE VERY SMALL SCALE BOUNDARIES LAYING ABOUT FROM PREVIOUS DAY'S CONVECTION. WHEN MID-80 CONVECTIVE TEMPS ARE ACHIEVED...THERE IS AN INCREASING PROB OF WIDELY SCT SHRA. THE SEA BREEZE WILL WORK ITS WAY INLAND FROM LATE MORNING ONWARD...REASONING FOR THE VCTS IN KLBX'S TAF. BREEZE FORMED YESTERDAY WITH LIMITED ACTIVITY IN WESTERN BRAZORIA SO IT IS A POSSIBILITY ONCE AGAIN THIS AFTERNOON. 31 PREV DISCUSSION... /ISSUED 344 AM CDT MON MAY 17 2010/ DISCUSSION... A SLIGHTLY DRIER AIR MASS RESIDES ACROSS SOUTHEAST TEXAS EARLY THIS MORNING. SOME CONVECTION COULD DEVELOP ALONG A WEAK SEA BREEZE BOUNDARY THIS AFTERNOON NEAR THE COASTAL COUNTIES AND ALSO AT ANY TIME FURTHER UP NORTH IN ASSOCIATION WITH ANY BOUNDARIES LEFT OVER FROM THE EARLY MORNING ACTIVITY CURRENTLY NORTHWEST OF THE WACO AREA AND EXITING STORMS TO THE EAST OF THE LUFKIN AREA. SINCE THE NAM GUIDANCE ENDED UP TOO WET ON SUNDAY...WILL LEAN A LITTLE MORE TOWARD THE LOWER GFS POPS WITH A SLIGHT CHANCE FORECAST FOR BOTH TODAY AND TOMORROW. GENERAL MODEL TREND FOR THE REST OF THE WEEK IS FOR SLIGHTLY RISING HEIGHTS ACROSS THE AREA RESULTING IN MAINLY AFTERNOON AND EARLY EVENING SLIGHT CHANCE POPS. THE END OF THE WEEK AND THE START OF THE WEEKEND LOOKS DRY AND WARM. FOR HIGH TEMPERATURES THIS WEEK...ANTICIPATE UPPER 80S TO LOWER 90S INLAND WITH MID 80S ALONG THE COAST. FOR LOWS...LOOKS LIKE UPPER 60S TO LOWER 70S INLAND AND LOWER TO MID 70S ALONG THE COAST. 42 && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 90 67 87 68 90 / 30 20 20 10 20 HOUSTON (IAH) 90 68 89 69 90 / 30 20 20 10 20 GALVESTON (GLS) 85 73 85 74 85 / 30 10 20 10 20 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && DISCUSSION...35
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1214 PM CDT MON MAY 17 2010 GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226- 227-235>238-181200- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY- MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO- TRINITY-WALKER-WALLER-WASHINGTON- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 1214 PM CDT MON MAY 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT THE COMBINATION OF WEAK SURFACE BOUNDARIES...THE SEABREEZE...AND DAYTIME HEATING WILL RESULT IN SCATTERED TSRA DEVELOPMENT ACROSS SOUTHEAST TEXAS THIS AFTERNOON AND EVENING. GIVEN THE STRONG INSTABILITY IN PLACE...THE POTENTIAL EXISTS FOR A FEW STRONGER OR ONE OR TWO SEVERE STORMS. THE STRONGER STORMS WILL PRODUCE HEAVY RAINFALL...GUSTY WINDS...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND SMALL HAIL. THE PRIMARY THREAT OF SEVERE WEATHER WOULD BE DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The Houston radar (KHGX), 143 km away, was scanning. The volume nearest the first event began at 18:35 UTC.
3 hail, 3 thunderstorm wind, 1 lightning. Local standard time, as filed.
There was golf ball sized hail reported on Highway 156 North in the town of Point Blank.
There were reports of golf ball hail were received in the town of Coldspring.
There were trees downed in residential yards.
There were numerous trees down in and around the Double Lake Recreation area. There was roof damage to a historic pavilion due to a downed pine tree.
There were downed trees along and on FM 50 that were blocking traffic.
There were reports of golf ball size hail at the Red Bluff Road and Highway 225 intersection.
Lightning struck and set ablaze an oil tank.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2010Every state in 2010This day in weather historyWarnings in Texas, May 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 235289, 235290, 235293, 235294, 235295, 235291, 235292.