5 inches of rain across the Rio Grande Plains. 5 inches of rain fell near Raymondville, and nearly 3 inches fell on the west side of Harlingen.
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 BRO wrote it up.
An upper level disturbance acted on unstable air across the Lower Rio Grande Valley, and resulted in redevelopment of a cluster of thunderstorms which earlier had dropped more than 1.5 inches of rain across the Rio Grande Plains. Between approximately 4 and 6 AM on May 11th, nearly 2.5 inches of rain fell near Raymondville, and nearly 3 inches fell on the west side of Harlingen.
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 Brownsville, TX wrote its last area forecast discussion before the first event at May 11, 3:17 AM CST, 13 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 417 AM CDT SAT MAY 11 2013 .SHORT TERM /NOW THROUGH SUNDAY/...BUSY NIGHT WITH THE WELL ADVERTISED MCS MOVING ACROSS THE CWA. ALTHOUGH SEVERE WEATHER WAS LIMITED CONVECTION WAS BRIEFLY INTENSE AS THE INITIAL WAVE MOVE THROUGH ZAPATA COUNTY. UPPER DIVERGENCE IS DOING ITS MAGIC WITH CONVECTION CONTINUING TO DEVELOP OVER THE SIERRA MADRE AND MOVING NORTHEAST INTO THE RANCHLANDS AND NOW OVER THE MIDDLE AND LOWER VALLEY. THIS IS EXCELLENT FOR THE RIO GRANDE WATER SHED WITH RAINFALL AMOUNTS OF 2 TO 4 INCHES FALLEN IN SOME SPOTS OVERNIGHT AND ANOTHER 1 TO 3 INCHES POSSIBLE IN THE HEAVIEST OF STORMS. SET UP FOR ADDITIONAL RAINFALL THROUGH SUNDAY STILL IN PLACE WITH UPPER LOW/TROUGH REMAIN OUT WEST WITH A DIVERGENT FLOW AND DISTURBANCES TO ROTATE THROUGH THE SOUTHWEST FLOW. HEAVY RAIN AND HIGHEST CHANCES ARE EXPECTED THIS MORNING ACROSS THE MIDDLE AND LOWER VALLEY AS AN UPPER SHORTWAVE AND MOVES OVER THE REGION. BRIEF HEAVY RAIN WITH SOME MINOR URBAN FLOODING CAN BE EXPECTED. MODELS ARE NOT AS BULLISH WITH THE POPS TONIGHT AND SUNDAY AS FRONTAL BOUNDARY WORKS ITS WAY SOUTH OF THE REGION. SLIGHTLY DRIER AIR WORKS ITS WAY INTO THE NORTHERN COUNTIES WITH BEST MOISTURE MOVING ALONG AND SOUTH OF THE BORDER. DO NOT THINK THAT WE WILL BE OUT OF THE PICTURE WITH THE TROUGH REMAINING TO OUR WEST. WILL MAINTAIN HIGHER POPS ACROSS THE WESTERN AND SOUTHERN COUNTIES. HIGH TEMPERATURES WILL BE HIGHLY SUBJECT TO WHEN THE RAIN TAPPERS OFF BUT WILL LET GOING NUMBERS RIDE WITH LIMITED HEATING TO TAKE PLACE THIS AFTERNOON. .LONG TERM SUNDAY NIGHT THROUGH SATURDAY/...UPPER TROUGH AXIS TO MOVE EAST OF SOUTH TEXAS WEDNESDAY MORNING. UNTIL THEN RAIN CHANCES TO CONTINUE OVER THE REGION. TEMPERATURES TO REMAIN BELOW NORMAL THROUGH TUESDAY THEN BEGIN A SLOW INCREASE AS AN UPPER RIDGE OF HIGH PRESSURE BUILDS OVER THE REGION. && .MARINE.../TODAY THROUGH WEDNESDAY/...MAIN CONCERN TODAY WILL BE THE THUNDERSTORMS MOVING THROUGH THE COASTAL WATERS THIS MORNING. SOME CONVECTION TO LINGER THROUGH THE AFTERNOON. OTHERWISE...MODERATE NORTHEAST TO EAST WINDS ARE EXPECTED AS A WEAK COLD FRONT MOVES THROUGH THE COASTAL WATERS TODAY. THE EASTERLY FLOW AND CHANCE OF RAIN CONTINUES ON SUNDAY WITH SOUTHEAST FLOW RESUME MONDAY AS SURFACE HIGH PRESSURE BEHIND THE FRONT MOVES EAST. SOUTHEAST WINDS INCREASE TUESDAY AND WEDNESDAY AS AN UPPER LOWER PRESSURE TROUGH MOVES ACROSS TEXAS AND OKLAHOMA. SMALL CRAFT ADVISORIES ARE POSSIBLE AT THIS TIME. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 81 70 80 71 / 80 20 40 30 BROWNSVILLE 82 69 82 70 / 80 20 40 30 HARLINGEN 84 68 81 69 / 80 20 40 30 MCALLEN 85 69 82 69 / 60 30 40 30 RIO GRANDE CITY 86 68 82 68 / 40 30 40 40 SOUTH PADRE ISLAND 78 71 78 71 / 80 20 40 30 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT: HTTP://WEATHER.GOV/RGV 59/55
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BROWNSVILLE TX 1123 PM CDT FRI MAY 10 2013 GMZ130-132-135-150-155-170-175-111100- LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO- LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT MANSFIELD TX- LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX- COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM- COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM- WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO 60 NM- WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO 60 NM- 1123 PM CDT FRI MAY 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE LAGUNA MADRE. .DAY ONE...REST OF TONIGHT. THUNDERSTORMS ARE POSSIBLE ACROSS THE LOWER TEXAS COAST AFTER MIDNIGHT TONIGHT. SOME OF THE STORMS MAY BE STRONG WITH GUSTY WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS ARE EXPECTED TO BECOME MORE WIDESPREAD THROUGH SATURDAY MORNING WITH THE CHANCE FOR STORMS CONTINUING THROUGH SUNDAY. SOME OF THE STORMS MAY BE STRONG WITH GUSTY WINDS AND HAIL. .SPOTTER INFORMATION STATEMENT... FORMAL SPOTTER ACTIVATION IS POSSIBLE LATE TONIGHT AND SATURDAY WITH SPOTTERS ENCOURAGED TO REPORT SIGNIFICANT WEATHER THROUGH THE WEEKEND. TXZ251-254>257-111100- KENEDY-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY- COASTAL CAMERON- 1123 PM CDT FRI MAY 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...REST OF TONIGHT. HERE IS A MODERATE RISK OF RIP CURRENTS AT AREA BEACHES TODAY. SCATTERED STRONG THUNDERSTORMS ARE POSSIBLE AFTER MIDNIGHT TONIGHT. THERE IS A SMALL POTENTIAL FOR HAIL UP TO AROUND QUARTER SIZE AND GUSTY WINDS OF 50 TO 60 MPH. LOCALLY HEAVY RAINFALL IS THE MAIN THREAT WITH PONDING OF WATER AND LOCALIZED STREET FLOODING POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS ARE LIKELY AGAIN ON SATURDAY WITH LOCALLY HEAVY RAINFALL THE MAIN THREAT. LOCALIZED FLOODING SUCH AS STREET FLOODING...PONDING OF WATER ON AREA ROADWAYS AND HIGHER THAN NORMAL WATER LEVELS IN STREAMS AND RESACAS POSSIBLE. ISOLATED FLASH FLOODING IS POSSIBLE. .SPOTTER INFORMATION STATEMENT... FORMAL SPOTTER ACTIVATION IS POSSIBLE LATE TONIGHT AND SATURDAY WITH SPOTTERS ENCOURAGED TO REPORT SIGNIFICANT WEATHER THROUGH THE WEEKEND. TXZ248>250-252-253-111100- ZAPATA-JIM HOGG-BROOKS-STARR-HIDALGO- 1123 PM CDT FRI MAY 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...REST OF TONIGHT. SEVERE THUNDERSTORM WATCH NUMBER 158 IN EFFECT UNTIL 5 AM CDT SATURDAY FOR ZAPATA...BROOKS...STARR...JIM HOGG AND HIDALGO COUNTIES. SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED TO MOVE FROM WEST TO EAST ACROSS THE COUNTIES WITHIN THE WATCH AREA OVER THE NEXT SEVERAL HOURS. DAMAGING WINDS UP TO 60 MPH...AND HAIL TO QUARTER TO HALF DOLLAR SIZE WILL BE POSSIBLE WITH THE STRONGEST STORMS. LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS MAY CONTINUE MUCH OF THE DAY ON SATURDAY WITH LOCALLY HEAVY RAINFALL THE PRIMARY CONCERN. LOCALIZED FLOODING IS POSSIBLE SUCH AS PONDING OF WATER ON AREA ROADWAYS AND STREAMS AND RESACAS MAINTAINING HIGHER THAN NORMAL WATER LEVELS. .SPOTTER INFORMATION STATEMENT...SPOTTERS WITHIN THE COUNTIES UNDER THE SEVERE THUNDERSTORM WATCH SHOULD REPORT ANY SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BROWNSVILLE THROUGH LATE TONIGHT AND INTO EARLY SATURDAY MORNING.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1231 AM CDT SAT MAY 11 2013 TXZ248-110615- ZAPATA- 1231 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... NORTHERN ZAPATA COUNTY IN DEEP SOUTH TEXAS. UNTIL 115 AM CDT... AT 1231 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...13 MILES NORTHWEST OF BUSTAMANTE...MOVING EAST AT 15 MPH. THIS STORM IS CAPABLE OF PRODUCING... PEA TO DIME SIZED HAIL. GUSTY WINDS OF 30 TO 40 MPH. LOCATIONS IMPACTED INCLUDE... BUSTAMANTE. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1239 AM CDT SAT MAY 11 2013 TXZ248-252-110630- STARR-ZAPATA- 1239 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... NORTHWESTERN STARR COUNTY IN DEEP SOUTH TEXAS. SOUTHERN ZAPATA COUNTY IN DEEP SOUTH TEXAS. UNTIL 130 AM CDT... AT 1239 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...16 MILES NORTHWEST OF FALCON DAM...MOVING SOUTHEAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING... PEA TO DIME SIZED HAIL. GUSTY WINDS OF 40 TO 50 MPH. TORRENTIAL RAINFALL RATES OF ONE TO TWO INCHES PER HOUR. LOCATIONS IMPACTED INCLUDE... SIESTA SHORES. MORALES-SANCHEZ. LOPENO. NEW FALCON. FALCON HEIGHTS. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 157 AM CDT SAT MAY 11 2013 TXZ248-249-252-110745- JIM HOGG-STARR-ZAPATA- 157 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... SOUTHWESTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS. NORTHERN STARR COUNTY IN DEEP SOUTH TEXAS. SOUTHEASTERN ZAPATA COUNTY IN DEEP SOUTH TEXAS. UNTIL 245 AM CDT... AT 157 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...9 MILES WEST OF VIBORAS...MOVING NORTHEAST AT 10 MPH. THIS STORM IS CAPABLE OF PRODUCING... PEA TO DIME SIZED HAIL. GUSTY WINDS OF 30 TO 40 MPH. LOCATIONS IMPACTED INCLUDE... VIBORAS. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 307 AM CDT SAT MAY 11 2013 TXZ251-110845- KENEDY- 307 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... NORTHWESTERN KENEDY COUNTY IN DEEP SOUTH TEXAS. UNTIL 345 AM CDT... AT 307 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...17 MILES SOUTHWEST OF SARITA...MOVING NORTHEAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING... GUSTY WINDS OF 30 TO 40 MPH. TORRENTIAL RAINFALL RATES OF ONE TO TWO INCHES PER HOUR. LOCATIONS IMPACTED INCLUDE... TURCOTTE. SARITA. SARITA. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 341 AM CDT SAT MAY 11 2013 TXZ251-110930- KENEDY- 341 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... CENTRAL KENEDY COUNTY IN DEEP SOUTH TEXAS. UNTIL 430 AM CDT... AT 341 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...OVER CENTRAL KENEDY COUNTY...MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING... PEA TO DIME SIZED HAIL. GUSTY WINDS OF 40 TO 50 MPH. LOCATIONS IMPACTED INCLUDE... BORDER PATROL. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 359 AM CDT SAT MAY 11 2013 TXZ253>255-110945- HIDALGO-INLAND CAMERON-INLAND WILLACY- 359 AM CDT SAT MAY 11 2013 ...SIGNIFICANT WEATHER ADVISORY FOR... NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS. EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS. WESTERN WILLACY COUNTY IN DEEP SOUTH TEXAS. UNTIL 445 AM CDT... AT 358 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...OVER EDCOUCH...MOVING EAST AT 15 MPH. THIS STORM IS CAPABLE OF PRODUCING... PEA TO DIME SIZED HAIL. GUSTY WINDS OF 30 TO 40 MPH. LOCATIONS IMPACTED INCLUDE... LAGUNA SECA. RATAMOSA. SANTA ROSA. TIERRA BONITA. SEBASTIAN. PRIMERA. MONITOR NOAA WEATHER RADIO...LOCAL MEDIA...OR WEATHER.GOV FOR UPDATES. && 55
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Between 2.3 and 2.77 inches of rain fell in less than two hours on the west side of Harlingen, leaving ponded water in streets and fields and some nuisance urban flooding behind. The event, which occurred very early on a Saturday morning, had little impact with few people out.
Around 2.5 inches of rain fell in less than two hours just southwest of Raymondville, leaving ponded water in streets and fields and some nuisance urban flooding behind. The event, which occurred very early on a Saturday morning, had little impact with few people out.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2013Every state in 2013This day in weather historyWarnings in Texas, May 2013
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: 456926, 456929.