An upper level disturbance moved across Deep South Texas September 16th producing showers and thunderstorms across portions of the County Warning Area. Some thunderstorms produced hail ranging from pea size in several locations to three quarter to one inch size hail in a few locations.
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 moved across Deep South Texas September 16th producing showers and thunderstorms across portions of the County Warning Area. Some thunderstorms produced hail ranging from pea size in several locations to three quarter to one inch size hail in a few locations. Locally heavy rainfall was also reported in a few locations.
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 Sep 16, 2:30 PM CST, 0 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 330 PM CDT WED SEP 16 2009 .UPDATE...AFTERNOON HEATING CAUSED ENOUGH LIFT TO POP THROUGH THE WEAK CAP AND INITIATED THUNDERSTORM ACTIVITY ACROSS SOUTHEASTERN DEEP SOUTH TEXAS. THIS SHOULD CONTINUE FOR TWO OR THREE HOURS. ZONES HAVE BEEN UPDATED. && .DISCUSSION...THE WINDS CONTINUE LIGHT FROM THE SOUTHEAST THIS AFTERNOON WITH THE PRESSURE GRADIENT REMAINING WEAK. A WEAK PRESSURE GRADIENT WILL PERSIST ACROSS THE CWA THROUGHOUT THE FORECAST PERIOD MAINTAINING LIGHT WINDS. THE WINDS WILL BECOME LIGHT AND VARIABLE TO CALM DURING THE OVERNIGHT PERIODS AND LIGHT AND VARIABLE TO LIGHT DURING THE DAYTIME. A WEAK FRONTAL BOUNDARY WILL MOVE THROUGH THE CWA THURSDAY SHIFTING THE WINDS TO THE NORTH AND NORTHEAST ON THURSDAY AND FRIDAY. ANOTHER WEAK COLD FRONT WILL MOVE THROUGH DEEP SOUTH TEXAS NEXT WEDNESDAY SHIFTING THE WINDS TO THE EAST AND NORTHEAST. TEMPERATURES WILL CONTINUE ABOVE NORMAL ON THURSDAY WITH NEAR RECORD HIGH AFTERNOON TEMPERATURES OCCURRING ACROSS PORTIONS OF THE CWA. TEMPERATURES WILL DECREASE TO NEAR NORMAL VALUES TO SLIGHTLY HIGHER THAN NORMAL VALUES FRIDAY THROUGH THE MIDDLE OF NEXT WEEK. THERE IS A SLIGHT CHANCE FOR SHOWERS AND ISOLATED THUNDERSTORMS MOVING ACROSS PORTIONS OF THE CWA AT TIMES FRIDAY THROUGH EARLY NEXT WEEK. && .MARINE...AT 8AM BUOY020 REPORTED NORTH TO NORTHEAST WINDS AT 6 TO 8 KNOTS WITH SEAS 1 FOOT AT 6 SECONDS. WEAK LOW PRESSURE OVER THE SOUTHEAST WILL CAUSE AN OFFSHORE FLOW IN THE UPPER LEVELS FOR THE NEXT FEW DAYS. THIS WILL CAUSE CONTINUED LOW SEAS AND LIGHT WINDS THROUGH THE WEEKEND. A RELATIVELY DRY AND STABLE AIRMASS WILL CONTINUE THROUGH FRIDAY OF THIS WEEK. && .AVIATION...VFR CONDITIONS WILL PREVAIL OVER THE REGIONAL AIRPORTS FOR THE NEXT 24 HOURS. LIGHT AND VARIABLE WINDS WILL BE THE RULE THROUGH THURSDAY. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 78 92 77 91 77 / 00 00 10 10 10 BROWNSVILLE 77 96 75 93 74 / 00 00 10 10 10 HARLINGEN 75 97 74 94 73 / 00 00 10 10 10 MCALLEN 78 100 76 97 75 / 00 00 00 10 10 RIO GRANDE CITY 75 100 75 97 74 / 00 00 00 10 10 SOUTH PADRE ISLAND 80 91 80 89 79 / 00 00 10 10 10 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT: HTTP://WWW.WEATHER.GOV/BROWNSVILLE SYNOPTIC/GRIDS....63 MARINE/AVIATION...65 MESOSCALE...MARTINEZ
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BROWNSVILLE TX 315 PM CDT WED SEP 16 2009 TXZ248>257-171100- ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON- 315 PM CDT WED SEP 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT. STRONG THUNDERSTORMS...PRODUCING GUSTY WINDS...FREQUENT LIGHTNING... AND SMALL HAIL...WILL PREVAIL THIS AFTERNOON OVER PORTIONS OF DEEP SOUTH TEXAS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS SHOULD REPORT ANY STRONG WINDS AND SMALL HAIL TO THE NATIONAL WEATHER SERVICE OFFICE IN BROWNSVILLE. GMZ130-132-135-150-155-170-175-171100- 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- 315 PM CDT WED SEP 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE LAGUNA MADRE. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 307 PM CDT WED SEP 16 2009 TXZ255-257-162115- INLAND CAMERON-COASTAL CAMERON- INCLUDING THE CITIES OF...BROWNSVILLE...HARLINGEN...PORT ISABEL... SOUTH PADRE ISLAND...LAGUNA HEIGHTS...LAGUNA VISTA 307 PM CDT WED SEP 16 2009 ...STRONG THUNDERSTORM AFFECTING CAMERON COUNTY... NATIONAL WEATHER SERVICE DOPPLER RADAR IN BROWNSVILLE IS TRACKING A STRONG THUNDERSTORM OVER SOUTHERN CAMERON COUNTY...LOCATED JUST NORTH OF THE CITY OF BROWNSVILLE...AND MOVING ROUGHLY TO THE SOUTH AT AROUND 5 MILES PER HOUR. WIND GUSTS UP TO 40 MILES PER HOUR AND PEA SIZE HAIL WILL ACCOMPANY THIS THUNDERSTORM. VERY FREQUENT AND DANGEROUS LIGHTNING IS ALSO OCCURRING WITH THIS THUNDERSTORM...AND CITIZENS IN BROWNSVILLE... OLMITO...LOS FRESNOS...AND THE PORT OF BROWNSVILLE SHOULD MOVE INDOORS UNTIL THIS THUNDERSTORM PASSES. TOMASELLI
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
316 PM CDT WED SEP 16 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0312 PM HAIL 4 E BROWNSVILLE 25.93N 97.42W
09/16/2009 E0.25 INCH CAMERON TX PUBLIC
PUBLIC REPORTS PEA SIZE HAIL IN RIO DEL SOL SUBDIVISION.
&&
BMILLERPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
329 PM CDT WED SEP 16 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0328 PM HAIL 2 N BROWNSVILLE 25.95N 97.48W
09/16/2009 E0.50 INCH CAMERON TX PUBLIC
MARBLE SIZE HAIL REPORTED AT ALTON GLOOR AND US 77 IN
BROWNSVILLE.
&&
BMILLERThe Brownsville radar (KBRO), 7 km away, was scanning. The volume nearest the first event began at 20:31 UTC.
5 hail, 1 thunderstorm wind, 1 heavy rain. Local standard time, as filed.
A National Weather service Employee reported hail up to three quarters of an inch in size fell at the Sunrise Mall in Brownsville during a thunderstorm.
The public reported hail up to three quarters of an inch in size fell during a thunderstorm. The hail was observed near the intersection of Elizabeth Street and Central Boulevard.
A trained spotter reported hail up to one inch in size fell for about 5 minutes near La Feria during a thunderstorm which moved through the area.
The La Feria Police Department reported winds gusts estimated to be approximately 60 miles per hour occurred during a thunderstorm which also produced pea size hail at their office.
The public reported quarter size hail up to one inch in size fell during a thunderstorm which moved through La Feria. The hail was observed near the intersection of North Parker Road and Expressway 83 in La Feria.
The Roma Police Department in Starr County reported hail up to one inch in size fell in the city of Roma during a thunderstorm which moved through the area.
The Roma Police Department in Starr County reported heavy rains fell during a thunderstorm which moved through the area. The rainfall produced street flooding. Some streets were closed due to one foot of water standing in some areas.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, September 2009
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: 196870, 196871, 196872, 196875, 196873, 196874, 196876.