1 waterspout, 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 New Orleans, LA wrote its last area forecast discussion before the first event at Aug 11, 1:45 AM CST, 8 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 245 AM CDT SAT AUG 11 2001 MODELS SHOW A VORT MAX DROPPING SOUTH TO THE MISSISSIPPI COAST TODAY WITH ANOTHER ON SUNDAY. PRECIPITABLE WATERS VALUES WILL BE ABOVE 2 INCHES INTO THE BEGINNING OF NEXT WEEK. UPPER LEVEL DIFFLUENCE IS INDICATED BOTH DAYS. MODELS INDICATED SOME TROP FOLDING ALONG WITH GOOD UPWARD VERTICAL VELOCITIES TODAY AND SUNDAY. K VALUES REMAIN IN THE MID 30S THROUGH TUESDAY. THE AVN INDICATES THAT THETA-E VALUES WILL BE 340 OR HIGHER UP THROUGH 850 MILLIBARS INTO TUESDAY. THE AIRMASS WILL BE NEAR SATURATED THROUGH THE COLUMN INTO MONDAY. POTENTIAL EXISTS FOR 1 TO 3 INCHES OF RAIN WITH ISOLATED 4 INCHES ACROSS THE ENTIRE AREA. FLOW THROUGH THE COLUMN SHOULD REMAIN LIGHT KEEPING THE RISK OF SEVERE THUNDERSTORMS AT A MINIMUM. GUIDANCE POPS LOOK REASONABLE. NGM TEMPERATURES GUIDANCE SEEMS TO BE A LITTLE ON THE HIGH SIDE FOR MAX TEMPERATURES AND WILL ADJUST DOWNWARD ACCORDINGLY. MODELS INDICATE A WEAK FRONT WILL APPROACH THE AREA FROM THE NORTH ON MONDAY AND BEGIN TO DISSIPATE. WITH A STAGNANT ATMOSPHERE OVER THE AREA EXPECT CHANCE OF CONVECTION THROUGH THE END OF THE OUTLOOK PERIOD. CLOUDINESS AND RAIN COOLED AIR WILL KEEP MAX TEMPERATURES SLIGHTLY LOWER THAT THE PAST FEW DAYS. MCB 89/72/88/72 7473 BTR 89/77/88/77 7473 MSY 89/77/89/77 7473 GPT 88/75/88/75 7473 .NEW...NONE LA...NONE. MS...NONE. 23
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-121200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 700 AM CDT SAT AUG 11 2001 .SYNOPSIS... WARM...MOIST UNSTABLE AIR WILL REMAIN OVER THE AREA TODAY AND TONIGHT. AN UPPER AIR DISTURBANCE WILL DROP SOUTH INTO THE AREA TODAY AND TONIGHT. .THUNDERSTORMS... SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AND SPREAD ACROSS THE AREA TODAY BEFORE DECREASING DURING THE NIGHT TIME HOURS. THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL...FREQUENT LIGHTNING AND WIND GUSTS TO AROUND 35 MILES PER HOUR. SEVERE THUNDERSTORMS ARE NOT EXPECTED. .HEAVY RAIN... LOCALIZED STREET FLOODING IN URBAN AND LOW LYING AREA CAN BE EXPECTED. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE POSSIBLE FROM THE STRONGER THUNDERSTORMS. EXPECT 1 TO 3 INCHES OF RAINFALL ACROSS THE AREA TODAY WITH ISOLATED AREA OF 4 INCHES POSSIBLE. .ACTIONS... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL AND STORM SPOTTERS WILL NOT BE REQUIRED THROUGH TONIGHT. FOR MORE INFORMATION PLEASE VISIT OUR HOME PAGE ON THE INTERNET AT THE FOLLOWING ADDRESS...HTTP://WWW.SRH.NOAA.GOV/LIX (ALL LETTERS SHOULD BE LOWER CASE).
The national radar mosaic for the moment the first event began.
1 waterspout. Local standard time, as filed.
A waterspout was obseved by park rangers near Ship Island.
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, August 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: 5264099.