1 flash flood, 1 thunderstorm wind, 1 hail, as filed by the National Weather Service.
Every event with a place to put it; 1 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 Jackson, MS wrote its last area forecast discussion before the first event at Jul 31, 1:30 PM CST, 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON MS 230 PM CDT TUE JUL 31 2001 UPPER LEVEL RIDGE OF HIGH PRESSURE DOMINATES WEATHER OVER CENTRAL U.S./MOST OF LOWER MS RIVER VALLEY. MID-LEVEL LOW PRESSURE AREA OFF ATLANTIC COAST DEEPENING...AS ANOTHER 500 MB TROUGH MOVING NE OVER TOP OF HUGE RIDGE INTO CANADA. WEAK SHEAR AXIS/BOUNDARY THROUGH MS INTO AR INDUCED SHOWERS/FEW THUNDERSTORMS TODAY. 12Z SOUNDINGS INDICATED CAPE VALUES OVER 2000 J/KG...WITH 12Z PRECIP WATER VALUES BETWEEN AROUND 2.0" OVER CWFA. IN UNSTABLE AIRMASS...WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE INTO EARLY EVENING...WITH LOCALLY HEAVY RAINFALL POSSIBLE IN STRONGER STORMS. AIRMASS TO DRY OUT FROM NE BEHIND UPPER LEVEL DISTURBANCE/BACKDOOR COLD FRONT MOVING ACROSS CWFA THROUGH WED. SOME UPPER LEVEL DRYING ALREADY INDICATED IN SATELLITE IMAGERY. AT SURFACE...DEWPOINTS IN PARTS OF WRN/MID TN ALREADY IN LOWER 70S. AVN/ETA/NGM PROG STEADY DECREASE IN ATMOSPHERIC MOISTURE FROM 00Z WED THROUGH 06Z THU...IN NE/E FLOW ALOFT/SURFACE. PRECIP WATER VALUES DROP TO LESS THAN 1.5" BY 06Z THU...AS LAYER RELATIVE HUMIDITIES DECREASE. AIRMASS BECOMES MORE STABLE. THOUGH MINOR TEMPORAL/SPATIAL DIFFERENCES APPEAR IN SOLUTIONS...TRENDS GENERALLY SAME IN AVN/ETA. WILL KEEP SLIGHT CHANCE PRECIP IN ZONES WED; DRY THU. HOT TEMPS DEVELOP AS HIGH PRESSURE DOMINATES/HEIGHTS RISE. AVN MODEL OF CHOICE EARLIER DUE TO INITIALIZATION OF SURFACE/500 MB FEATURES. WILL STAY WITH THIS TREND...SINCE STILL LOOKS REASONABLE. WILL VARY AROUND GUID TEMPS. .EXTENDED... SURFACE HIGH PRESSURE PERSISTS THROUGH EARLY SAT...EXCEPT FOR WEAK BOUNDARY PROGGED N OF CWFA BY SAT. WILL KEEP CHANCE OF PRECIP FOR NRN ZONES DUE TO MRF'S POSITION FOR BOUNDARY FROM OK TO VA AT 12Z SAT. S OF CWFA...MRF SURFACE/UPPER LOWS MOVE W ACROSS GULF TOWARDS TX BY LATE SAT THROUGH MON. FLOW OVER REGION BECOMING MORE SE/S. NOGAPS KEEPS GULF LOW PRESSURE SYSTEM WELL S OF CWFA. STILL WITH SOME TROPICAL MOISTURE RETURN EXPECTED...CHANCE OF MAINLY DIURNAL PRECIP SUN THROUGH WED. .PRELIM NUMBERS... JAN 74/94/71/94 22-- MEI 71/94/69/93 21-- .JAN... MS...NONE. LA...NONE. AR...NONE.
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 011200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 235 PM CDT TUE JUL 31 2001 ...THUNDERSTORMS... SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE THROUGH 9 PM. NO SEVERE THUNDERSTORMS ARE EXPECTED...HOWEVER A FEW OF THE STRONGER THUNDERSTORMS WILL HAVE THE POTENTIAL OF PRODUCING WIND GUSTS TO 30 MPH. A MOIST TROPICAL AIRMASS COMBINED WITH AN UPPER LEVEL DISTURBANCE AND DAYTIME HEATING...WILL CONTINUE TO TRIGGER THUNDERSTORMS THROUGH THIS EVENING. THESE THUNDERSTORMS WILL BEGIN TO DECREASE IN COVERAGE DURING THE EVENING HOURS...ESPECIALLY WHEN DAYTIME HEATING IS LOST. ACTIVATION OF HAM RADIO OPERATORS...STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NEEDED THROUGH TONIGHT. ...FLOODING... STRONGER STORMS WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL DUE TO THE TROPICAL AIRMASS IN PLACE AND SLOW MOVEMENT. IN THESE STRONGER STORMS...RAINFALL AMOUNTS AROUND 2 OR 3 INCHES WILL BE POSSIBLE. THESE LOCALIZED HEAVY AMOUNTS OF RAIN MAY CAUSE LOCAL RISES ON SMALL CREEKS OR MINOR URBAN FLOODING...ESPECIALLY ACROSS LOW-LYING AREAS. FO%R MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
The national radar mosaic for the moment the first event began.
1 flash flood, 1 thunderstorm wind, 1 hail. Local standard time, as filed.
Water flooded three homes due to flash flooding.
Several trees were blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2001Every state in 2001This day in weather historyWarnings in Mississippi, July 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: 5257347, 5257348, 5257349.