2 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Lubbock, TX wrote its last area forecast discussion before the first event at May 4, 10:35 AM CST, 55 minutes earlier.
SOUTH PLAINS AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LUBBOCK TX 1135 AM CDT FRI MAY 4 2001 LCL HVY RA CONTS TO DVLP THIS MRNG ACROSS MUCH OF THE NRN PARTS OF THE FA. 12Z RAOB FM MAF SHOWS A VERY TROPICAL LIKE ATMOS WITH MOIST CONDS AND HIGH PWS VALUES. MAIN CONCERN FOR THE UPDATE THIS MRNG IS FOR THE POTENTIAL FOR FLASH FLOODING ACROSS PARTS OF THE FA. BELIEVE BEST THREAT FOR HVY RA WL GRADUALLY SHIFT E BY THIS EVENING AS UPR LOW OVR THE AZ/NM BORDER PUSHES E AND WITH IT THE BEST UPR LVL DIFFLUENCE. LTR TNGT COMBO OF LEFT EXIT REGION OF SUBTROP JET...PW VALUES 214% OF NORMAL...40KT LLJ...DECENT LOW-LVL CONVG AND MINOR SHORT WAVES EJECTING FM THE UPR LOW WL COMBINE TO AID IN THE PRODUCTION OF LCL HVY RA. HPC/RFC QPFS SHOW A 1-3 INCH RA POTENTIAL WHICH WOULD FURTHER SUPPORT A FLASH FLOOD THREAT. WL THEREFORE GO AHEAD AND ISSUE A FLASH FLOOD WATCH FOR THE SE TX PNHDL AND THE NRN ROLLING PLAINS THROUGH TNGT. PONDERED WHETHER TO INCLUDE COUNTIES W OF THE CAPROCK IN THE WATCH BUT ATTM BELIEVE AFOREMENTIONED AREAS WL SEE THE MOST PROLONGED PERIOD OF HVY RA. BEST DYNAMICS APPEAR TO PUSH N AND E AFT MIDNGT BUT IF UPR LOW IS SLOWER TO PROGRESS THAN EXPECTED HVY RA THREAT COULD BE SUSTAINED PAST MIDNGT. WL GET UPDATED ZFP AND FFA OUT SHORTLY. .LUB...FLASH FLOOD WATCH TROUGH TNGT TXZ024>026-031-032. ST
TXZ021>044-031900- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 1145 AM CDT FRI MAY 4 2001 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT OVER THE EXTREME SOUTHERN TEXAS PANHANDLE...THE SOUTH PLAINS AND THE LOW ROLLING PLAINS. AN UPPER LEVEL LOW OVER ARIZONA AND WEAK DISTURBANCES MOVING ACROSS NORTHERN MEXICO INTO WEST TEXAS WILL INTERACT WITH THE DRYLINE THIS AFTERNOON AND EVENING. THIS COMBINED WITH NUMEROUS OUTFLOW BOUNDARIES WILL INCREASE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND TONIGHT WITH ISOLATED SEVERE STORMS POSSIBLE. THE PRIMARY THREAT WILL BE LARGE HAIL. FLOODING RAINS WILL ALSO BE POSSIBLE DUE TO THE SLOW MOVEMENT OF THE STORMS. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS AND SPOTTER GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE PREPARED FOR POSSIBLE ACTIVATION.
The national radar mosaic for the moment the first event began.
2 flash flood. Local standard time, as filed.
The Parmer County Sheriff's Office reported numerous secondary roads flooded throughout the county.
The Castro County Sheriff's Office reported numerous secondary roads flooded throughout the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2001Every state in 2001This day in weather historyWarnings 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: 5249042, 5249043.