A severe thunderstorms produced damaging winds and heavy rainfall in Jim Wells County. 5 inches of rain fell in 45 minutes.
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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 CRP wrote it up.
A severe thunderstorms produced damaging winds and heavy rainfall in Jim Wells County. 3.5 inches of rain fell in 45 minutes.
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 Corpus Christi, TX wrote its last area forecast discussion before the first event at May 18, 5:43 AM CST, 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 643 AM CDT TUE MAY 18 2010 .DISCUSSION...SEE AVIATION SECTION. && .AVIATION...CONVECTION ACROSS THE W HALF OF THE CWA THIS MORNING IS EXPECTED TO SHIFT SE WITH THE STRONGER STORMS SKIRTING THE SERN PORTIONS. A SVR TSRA WATCH IS IN EFFECT FOR DUVAL...JIM WELLS AND KLEBERG UNTIL NOON. AM EXPECTING THE SVR STORMS TO REMAIN S OF ALI...CRP HOWEVER STRONG STORMS WILL BE POSSIBLE...LEADING TO IFR CONDTIIONS AND VRB GUSTY WINDS. OTHERWISE...MVFR/VFR CONDIITONS WILL DVLP BY AROUND NOON AND CONT THRU THE REMAINDER OF THE DAY. && .PREV DISCUSSION... /ISSUED 515 AM CDT TUE MAY 18 2010/ SHORT TERM (TODAY)...INITIAL AREA OF NVA THAT LIKELY SUPPRESSED CONVECTION ACROSS THE COASTAL BEND AND DEEP S TX WHEN INITIAL OUTFLOW ARRIVED FROM THE NORTH HAS SHIFTED EAST AN BEEN REPLACED BY PVA. THE RESULT HAS BEEN CONVECTIVE ACTIVITY HAS BEGUN TO DEVELOP ACROSS THE OLD OUTFLOW BOUNDARY WHICH HAS STALLED NEAR BAFFIN BAY AND EXTENDING EAST OFFSHORE. CLUSTERS OF TSTMS SURROUND ONE PERSISTENT SVR TSTM THAT IS MOVING SE TOWARD HEBBRONVILLE. BELIEVE ONCE THIS STORM LEAVES THE CWA...THAT THE SEVERE THREAT BE GREATLY DIMINISHED...BUT POSSIBLY NOT OVER COMPLETELY DEPENDING ON IF BOUNDARY/CELL INTERACTIONS OCCUR. GIVEN THE SUPPORT OF THE UPR S/WV...RADAR TRENDS AND CONTINUED MODEST CAPE (1000-1500 J/KG ACROSS THE SOUTH) WITH ONLY MINIMAL CIN...THINK CURRENT TSTMS IN THE WEST WILL HOLD TOGETHER ENOUGH TO WARRANT LIKELY TO SCT POPS FOR THIS MORNING W/ HIGHEST CHCS NEAR THE OUTFLOW BOUNDARY AND HIGHER CAPE ACROSS THE SRN HALF. THINGS SHOULD WIND DOWN QUICKLY BY AFTN AND WILL TREND POPS BACK AFTR 18Z. LONG TERM (TONIGHT THROUGH MONDAY)...ATMOSPHERE WILL GET A GOOD WORK OVER TODAY AND MODELS PROG SUBSIDENCE IN THE WAKE OF THIS MORNINGS S/WV TOGETHER WITH NEGATIVE H85 THETA-E ADVECTION. THIS ALL MAKES A REPEAT PERFORMANCE OF ANOTHER MCS FOR TONIGHT SEEM UNLIKELY FOR TONIGHT AND DO NOT HAVE ANY POPS MENTIONED. H85 THETA-E/RH PATTERN REMAINS UNFAVORABLE FOR THE REMAINDER OF THE WEEK AND MODELS AGREE THE CAP WILL BUILD RAPIDLY FROM THE SW THROUGH WED AHEAD OF THE NEXT S/WV TROUGH FORECAST TO MOVE ACROSS NRN TEXAS. MID LEVEL RIDGING FROM CEN MEXICO...AND FAR SOUTH POSITION OF THE LOW LEVEL RIDGE AXIS ACROSS THE GULF WILL ONLY ADD TO THE CAP AND LEAD TO INCREASING TEMPS OVER THE WEEKEND. COULD SEE A FEW WEAK SHOWERS BELOW THE CAP OVER THE WEEKEND IF ECMWF H85 MOISTURE INCREASE IS CORRECT...BUT OVERALL THINK POPS ARE MINIMAL AND HAVE REMOVED ANY MENTION OF POPS FOR NOW. THE MID LEVEL RIDGE SHOWS SIGNS OF WEAKENING AND MOVING EAST EARLY NEXT WEEK AS THE LOW LEVEL RIDGE AXIS MOVES NORTH AGAIN. THIS COULD LEAD TO SOME RAIN CHCS EARLY NEXT WEEK AS THE CAP WEAKENS AGAIN...BUT NO MENTION FOR NOW. && .PRELIMINARY POINT TEMPS/POPS... CORPUS CHRISTI 88 74 89 77 89 / 60 10 10 10 10 VICTORIA 89 71 89 74 88 / 30 10 10 10 10 LAREDO 98 76 101 78 101 / 60 10 10 10 10 ALICE 91 72 93 76 94 / 60 10 10 10 10 ROCKPORT 87 76 86 78 88 / 40 10 10 10 10 COTULLA 94 71 97 74 97 / 60 10 10 10 10 KINGSVILLE 91 73 92 77 93 / 60 10 10 10 10 NAVY CORPUS 86 76 87 78 86 / 50 10 10 10 10 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && TE/81...SHORT TERM MG/88...LONG TERM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 629 AM CDT TUE MAY 18 2010 GMZ230-235-250-255-270-275-TXZ229>234-239>247-191130- BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS- BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O'CONNOR- COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM- COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM-WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM- WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO 60 NM-LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL- JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN- 629 AM CDT TUE MAY 18 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE TEXAS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT A THUNDERSTORM COMPLEX ACROSS THE SOUTH TEXAS BRUSH COUNTRY WILL MOVE SLOWLY EAST TO SOUTHEAST ACROSS PORTIONS OF THE COASTAL BEND AND DEEP SOUTH TEXAS THIS MORNING. A FEW OF THESE STORMS MAY BECOME SEVERE MAINLY ACROSS EXTREME SOUTHERN PORTIONS OF THE REGION SOUTH OF A KINGSVILLE TO ALICE TO BRUNI LINE...HOWEVER THE HIGHEST RISK FOR SEVERE THUNDERSTORMS WILL REMAIN ACROSS DEEP SOUTH TEXAS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE MAINLY ACROSS THESE SAME AREAS TODAY. ISOLATED RAINFALL TOTALS AROUND 2 TO 3 INCHES WILL BE POSSIBLE WITH THE HEAVIEST ACTIVITY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED PORTIONS OF THE BAYS AND GULF WATERS WEDNESDAY AND THURSDAY. OTHERWISE...HAZARDOUS WEATHER IS NOT ANTICIPATED THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. MJG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 532 AM CDT TUE MAY 18 2010 TXZ239-240-181130- DUVAL-WEBB- 532 AM CDT TUE MAY 18 2010 ...STRONG THUNDERSTORMS WERE AFFECTING DUVAL AND WEBB COUNTIES... AT 526 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 16 MILES NORTH OF RANCHITOS LAS LOMAS TO EL CENIZO...OR ALONG A LINE EXTENDING FROM 20 MILES SOUTHEAST OF ENCINAL TO 18 MILES SOUTH OF LAREDO...MOVING SOUTHEAST AT 35 MPH. SMALL HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS. TE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 729 AM CDT TUE MAY 18 2010 TXZ241-242-181330- JIM WELLS-KLEBERG- 729 AM CDT TUE MAY 18 2010 ...A FUNNEL CLOUD WAS SPOTTED OVER JIM WELLS AND KLEBERG COUNTIES... AT 728 AM CDT...A TRAINED WEATHER SPOTTER REPORTED A FUNNEL CLOUD 5 TO 8 MILES WEST OF KINGSVILLE. IF YOU LIVE IN THE PATH OF THIS STORM...YOU SHOULD BE PREPARED TO SEEK SHELTER IN THE UNLIKELY EVENT THE FUNNEL CLOUD REACHES THE GROUND. TE
The Corpus Christi radar (KCRP), 74 km away, was scanning. The volume nearest the first event began at 12:34 UTC.
1 thunderstorm wind. Local standard time, as filed.
Two large mesquite branches 12 inches in diameter were snapped by winds.
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: 236105.