Deep atmospheric moisture was over the Brush Country as a frontal boundary stalled just north of the area. Scattered thunderstorms formed in the late afternoon.
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 CRP wrote it up.
Deep atmospheric moisture was over the Brush Country as a frontal boundary stalled just north of the area. Scattered thunderstorms formed in the late afternoon. Storms moved across the Laredo metro area. Two to three inches of rain fell within an hour. This heavy rainfall produced flash flooding in the Laredo area.
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 Apr 11, 5:48 PM CST, 22 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 648 PM CDT SAT APR 11 2015 .DISCUSSION...UPDATED FOR 00Z AVIATION. && .AVIATION...CONVECTION IS THE IMMEDIATE AVIATION CONCERN AT THE LRD TAF SITE WHERE TSRA WITH GUSTY WINDS ARE OCCURRING. ADDITIONAL SHOWERS AND STORMS WILL BE LIKELY AS THE EVENING/OVERNIGHT PROGRESSES. HAVE EITHER PREVAILED OR TEMPO TSRA AT ALL 4 TAF SITES THIS EVENING. AMENDMENTS WILL LIKELY BE NEEDED BASED ON TRENDS. OUTSIDE OF THUNDERSTORMS...LOW CLOUDS ARE ALSO EXPECTED TONIGHT ACROSS SOUTH TEXAS. WINDS WILL BE EASTERLY THIS EVENING THEN BECOME MORE SOUTHEASTERLY ON SUNDAY. && .PREV DISCUSSION... /ISSUED 406 PM CDT SAT APR 11 2015/ SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)...CONCUR WITH THE NAM/GFS DETERMINISTIC THAT AN UPPER JET STREAK WL ENTER THE CWA/MSA AFTER 06Z SUNDAY AND PROVIDE SYNOPTIC SCALE LIFT. THE COMBINATION OF UPPER DYNAMICS AND COPIOUS MSTR (NAM DETERMINISTIC SOUNDINGS) SHOULD RESULT IN ADDITIONAL SCT CONVECTION OVER THE CWA/MSA OVERNIGHT/EARLY SUNDAY. THE UPPER LOW (CURRENTLY NEAR BAJA CA PER WATER VAPOR IMAGERY) IS PROGD TO PROVIDE SYNOPTIC SCALE LIFT OVER THE CWA/MSA SUNDAY NIGHT. THUS EXPECT ADDITIONAL CONVECTION SUNDAY NIGHT. WITH REGARD TO STRONG/SEVERE CONVECTION...SELECTED NAM SOUNDINGS DEPICT BRN VALUES NEAR THE SUPERCELLULAR RANGE DRG THE PERIOD. FURTHER...0-6KM VERTICAL SHEAR IS EXPECTED TO BE SIGNIFICANT DRG THE PERIOD. NOTWITHSTANDING THE FACT THAT 0-6KM VERTICAL SHEAR CAN PROVIDE STORM VERTICAL VELOCITIES BEYOND WHAT CAN BE EXPECTED VIA CAPE...CAPE VALUES THIS EVENING/TNGT ARE EXPECTED TO BE AROUND 1000 J/KG YET AROUND 2500 J/KG SUNDAY AFTN/NIGHT. THUS...MORE CONFIDENT IN THE POSSIBILITY FOR STRONG/SEVERE STORMS SUNDAY NIGHT RATHER THAN TONIGHT/ SUNDAY. ALTHOUGH NAM SOUNDINGS SUGGEST A SATURATED WARM 0-4KM LAYER AND STATISTICALLY HIGH PWAT VALUES...0-6KM VERTICAL SHEAR AND LACK OF A SFC BNDRY MAY PRECLUDE FLASH FLOODING ALTHOUGH ISOLD FLASH FLOODING MAY OCCUR. LONG TERM (MONDAY THROUGH SATURDAY)...MODELS CONTINUE INDICATING UPPER LOW TRACKING NORTHWEST INTO NORTHERN TEXAS MONDAY. HIGH PWAT VALUES (NEAR 1.8-1.9 INCHES) WILL ALLOW FOR MODERATE TO LOCALLY HEAVY RAINFALL AMOUNTS AS CONVECTIVE SYSTEM PROGRESSES FURTHER EAST ACROSS THE REGION ON MONDAY. ANOTHER WEAK FRONTAL BOUNDARY MOVES SOUTH INTO THE REGION MONDAY NIGHT/EARLY TUESDAY...DROPPING TEMPERATURES BY A FEW DEGREES ACROSS THE REGION. FLOW ALOFT WILL REMAIN FROM THE SOUTHWEST AS NEXT CLOSED LOW DIVES IN BEHIND THIS FIRST SYSTEM...AND CONTINUED IMPULSES WILL LIFT ACROSS THE REGION THROUGH THE WEEK BEFORE THIS NEXT SYSTEM AND ASSOCIATED COLD FRONT MOVE THROUGH LATE THURSDAY INTO EARLY FRIDAY MORNING. WITH ABUNDANT MOISTURE ACROSS THE REGION...ALONG WITH UPPER SUPPORT AND A JET STREAK NOSING INTO THE AREA...EXPECT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TO OCCUR THROUGH THURSDAY. RAIN CHANCES DIMINISH THURSDAY NIGHT INTO FRIDAY WITH THE PASSING OF THE COLD FRONT. STILL SEEING SOME TIMING DIFFERENCES BETWEEN MODELS WRT FROPA...WHICH WILL IMPACT THE TIMING OF PRECIP ENDING. HOWEVER...ANTICIPATE DRY CONDITION TO RETURN BY NEXT WEEKEND. NEAR NORMAL TEMPERATURES CAN BE EXPECTED THROUGH MOST OF NEXT WEEK...WITH SLIGHTLY BELOW NORMAL TEMPERATURES DURING THE LATE WEEK. && .PRELIMINARY POINT TEMPS/POPS... CORPUS CHRISTI 71 79 71 82 69 / 50 50 70 50 20 VICTORIA 69 77 69 81 67 / 60 60 80 50 20 LAREDO 70 83 68 89 69 / 60 40 70 20 10 ALICE 70 81 69 85 68 / 50 50 80 40 20 ROCKPORT 71 76 71 77 71 / 50 60 70 50 20 COTULLA 68 81 66 86 65 / 60 50 70 30 10 KINGSVILLE 71 81 71 85 70 / 50 50 70 40 20 NAVY CORPUS 72 76 71 78 71 / 50 50 70 50 20 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && TB/78...AVIATION
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 501 AM CDT SAT APR 11 2015 GMZ230-235-250-255-270-275-TXZ229>234-239>247-121015- 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- 501 AM CDT SAT APR 11 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE TEXAS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY AND TONIGHT. STRONG STORMS WILL BE POSSIBLE...WITH SMALL HAIL AND GUSTY WINDS. AN ISOLATED SEVERE STORM CAN NOT BE RULED OUT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS REMAIN IN THE FORECAST OVER SOUTH TEXAS THROUGH THURSDAY. NO ORGANIZED SEVERE WEATHER IS EXPECTED SUNDAY... ALTHOUGH AN ISOLATED SEVERE STORM COULD NOT BE RULED OUT MAINLY DURING THE AFTERNOON AND EVENING. A SLIGHTLY BETTER CHANCE FOR STRONG TO SEVERE STORMS IS EXPECTED SUNDAY NIGHT WITH ANOTHER UPPER LEVEL STORM SYSTEM. PERSISTENT SCATTERED RAINFALL THROUGH MONDAY COULD RESULT IN SOME FLOODING CONCERNS THROUGH THE FIRST PART OF THE WEEK. THUNDERSTORMS WILL REMAIN IN THE FORECAST TUESDAY THROUGH THURSDAY. AT THIS TIME...THE PROBABILITY AND/OR PREDICTABILITY FOR SEVERE WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. CB/GW
The Corpus Christi radar (KCRP), 197 km away, was scanning. The volume nearest the first event began at 00:11 UTC.
1 flash flood. Local standard time, as filed.
Photograph showed water up to the bumpers of cars at the intersection of Del Mar Boulevard and San Dario Avenue. Laredo Police Department also reported water over the roadway at the intersection of Hillside Road and Yeary Street and the intersection of Farm to Market Road 1472 and Las Cruces Drive.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2015Every state in 2015This day in weather historyWarnings in Texas, April 2015
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: 569560.