1 tornado, as filed by the National Weather Service.
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 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 31, 1:45 PM CST, 1 hour earlier.
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 245 PM CDT THU MAY 31 2001 SHORT TERM...SEVERAL MESOSCALE FEATURES THIS AFTERNOON SEEM TO BE DRIVING FORCE OF EARLY AFTERNOON AND CURRENT SHOWER AND THUNDERSTORM ACTIVITY. SHORTWAVE TROUGH CONTINUES TO MOVE SOUTHEAST INTO WESTERN PORTIONS OF SOUTH TX. BRUNT OF CONVECTION OVER SE TEXAS ASSOC WITH UPPER TROUGH OVER EASTERN HALF OF TX. WEAK COLD FRONT CURRENTLY OVER NORTH CENTRAL TEXAS WITH OUTFLOW BOUNDARY APPROACHING THE COASTAL BEND EXTENDING NORTHEAST INTO PORTIONS OF SOUTHEAST TX. SEABREEZE FRONT HAS MOVED INTO WESTERN PORTIONS OF COUNTIES ALONG THE COAST. SHOWERS AND THUNDERSTORMS THAT DEVELOPED ALONG THE SEABREEZE EARLIER HAVE REMAINED BEHIND THE SEABREEZE OVER THE COASTAL SECTIONS. VIS SATELLITE IMAGES AND RADAR REFLECTIVITIES INDICATE A GRAVITY WAVE HAS MOVED INTO WESTERN AND CENTRAL PORTIONS OF DEEP SOUTH TEXAS. MOIST AND UNSTABLE ATMOSPHERE IN COMBINATION WITH MESOSCALE AND UPPER LEVEL FEATURES WARRANT SLIGHT POPS TONIGHT...AS CONVECTION IS ALSO DEVELOPING OVER NORTHEAST MEXICO. WINDS SHOULD BE LIGHT ENOUGH TOMORROW TO WARRANT ANOTHER ROUND OF SEABREEZE CONVECTION FOR EASTERN ZONES. OTHERWISE...NORTHWEST FLOW ALOFT WITH UPPER RIDGE OVER THE WESTERN U.S. SHIFTING EASTWARD TO INCREASE SUBSIDENT AIR WITH DRIER MID AND UPPER LEVELS MIXING DOWN TO THE SURFACE SATURDAY. WINDS INCREASE SLIGHTLY IN RESPONSE TO TIGHTER PRESSURE GRADIENT WHICH WILL TEND TO INHIBIT THE SEABREEZE SATURDAY. TEMPS CONTINUE TO BE ABOVE NORMAL. EXTENDED...UPPER LEVEL RIDGE SETTLES OVER SOUTH TX SUNDAY AS A ZONAL FLOW DEVELOPS ACROSS THE SOUTHERN TIER OF THE NATION. AN UPPER TROUGH DROPS INTO THE NORTHERN PLAINS MONDAY AS WEAKNESS IN THE UPPER RIDGE DEVELOPS OVER THE VALLEY. ANOTHER WEAK COLD FRONT MOVES INTO NORTH TEXAS MONDAY NIGHT AND IS LIKELY TO STALL OVER CENTRAL TX TUESDAY. 12Z AVN RUN CONTINUES TO INDICATE PRECIP LIKELY ASSOC W/SEABREEZE AND WEAKNESS IN UPPER RIDGE AS UPPER TROUGH MOVES INTO THE MIDWEST. WILL KEEP SLIGHT CHANCE OF PRECIP TUE/WED FOR NOW. MARINE...SE WIND NEAR 10 KNOTS OFFSHORE WITH 4 FOOT WAVES CURRENTLY. LOW PRESSURE DEVELOPING OVER WEST TEXAS AND THE HIGH PRESSURE RIDGE OVER THE GULF OF MEXICO...WILL GRADUALLY INCREASE THE PRESSURE GRADIENT OVER THE LOWER TEXAS COAST THE NEXT SEVERAL DAYS...PRODUCING A SLIGHT INCREASE IN SE WINDS. NO SIGNIFICANT CHANGES EXPECTED FROM PREVIOUS FCST. PRELIMINARY NUMBERS... BRO BU 076/093 076/094 076 11000 HRL BU 075/095 075/096 075 11000 MFE BU 076/097 076/098 076 10000 RGC BU 075/100 075/101 075 10000 SPI BU 077/086 077/087 077 10000 AXVIATION-MARINE...YURA.69/PUBLIC-SYNOPTIC...CASTILLO.61 MESO...WATKINS INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO .BRO...NONE.
TXZ248>257-312359- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 1120 AM CDT THU MAY 31 2001 AN UNSTABLE AND MOIST ATMOSPHERE...ALONG WITH A SEABREEZE AND OUTFLOW BOUNDARIES...WILL PRODUCE A CHANCE FOR SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. ALTHOUGH SEVERE WEATHER IS NOT ANTICIPATED OVER THE AREA TODAY...COLD TEMPERATURES ALOFT MAY ALLOW FOR SMALL HAIL TO ACCOMPANY SOME OF THE THUNDERSTORMS. IN ADDITION...WEAK WINDS ALOFT WILL HELP PRODUCE HEAVY DOWNPOURS WITH SOME ISOLATED ONE TO TWO INCH RAIN REPORTS. LAW ENFORCEMENT OFFICIALS AND SPOTTER GROUPS OVER DEEP SOUTH TEXAS...SHOULD TRACK THE AFTERNOON SHOWER AND THUNDERSTORM DEVELOPMENT IN CASE SPOTTER ACTIVATION WOULD BECOME NECESSARY. YURA
The Brownsville radar (KBRO), 23 km away, was scanning. The volume nearest the first event began at 20:47 UTC.
1 tornado. Local standard time, as filed.
An airplane pilot and an emergency technician both sighted a tornado between San Benito and Rancho Viejo.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2001Every state in 2001This day in weather historyThe tornado archive for Texas, 2001Warnings in Texas, May 2001
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: 5250603.