2 thunderstorm wind, 1 hail, 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 Jackson, MS wrote its last area forecast discussion before the first event at Aug 12, 11:25 AM CST, 20 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON MS 1225 PM CDT TUE AUG 12 2003 DID A QUICK UPDATE TO LOWER TEMPS FOR THE SOUTH AND MADE MINOR ADJUSTMENTS TO ALL GROUPS. WITH SOUTHERN ZONES CLOUDY AND TEMPS SLOW TO CLIMB...LOWERED TO NEAR 80/LOWER 80S. CLOUDS WERE BREAKING OUT OVER NORTHERN ZONES WITH TEMPS ALREADY UP TO 88...SO UPPER 80S WERE GOOD. ASIDE FROM TEMPS EVERYTHING ELSE LOOKS OK. AR...NONE. LA...NONE. MS...NONE.
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 130912- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 412 AM CDT TUE AUG 12 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS .DAY ONE...TODAY AND TONIGHT... ...THUNDERSTORMS... SCATTERED THUNDERSTORMS ARE ANTICIPATED TUESDAY AND INTO TUESDAY NIGHT...ACROSS EXTREME SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. AT THIS TIME...SEVERE THUNDERSTORMS ARE NOT EXPECTED. ON TUESDAY...AN UPPER LEVEL LOW WILL CONTINUE TO MOVE WEST TOWARD THE SOUTHERN PLAINS. DEEP LAYER MOISTURE AND INSTABILITY WILL GRADUALLY INCREASE DURING THIS TIME FRAME LENDING TO SCATTERED SHOWERS AND THUNDERSTORMS. THE HIGHEST LOW LEVEL MOISTURE INCREASE WILL OCCUR BY TUESDAY AFTERNOON AND EVENING IN SOUTHEAST MISSISSIPPI WHERE THUNDERSTORMS COULD BE NUMEROUS AT TIMES. WHILE SEVERE THUNDERSTORMS ARE NOT EXPECTED...ANY STORMS WILL BE CAPABLE OF PRODUCING FREQUENT LIGHTNING...WIND GUSTS TO 40 MPH AND LOCALLY HEAVY RAINFALL. THE THUNDERSTORM ACTIVITY IS EXPECTED TO LAST THROUGH TUESDAY NIGHT. ...FLOODING... THE AIRMASS ACROSS PORTIONS OF SOUTHEAST MISSISSIPPI...MAINLY SOUTH OF A LINE FROM QUITMAN TO BROOKHAVEN...IS EXPECTED TO BECOME TROPICAL IN NATURE DURING THE LATTER HALF OF THE DAY TUESDAY. HIGH MOISTURE LEVELS IN THESE AREAS WILL GIVE THUNDERSTORMS THE POTENTIAL TO DROP UPWARDS OF AN INCH OF PRECIPITATION IN A SHORT PERIOD OF TIME. SUCH RAINFALL RATES COULD RESULT IN PONDING OF WATER...PARTICULARLY IN LOW LYING AREAS AFFECTED BY MULTIPLE STORMS DURING THE PERIOD. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... ...DAYS TWO AND THREE...WEDNESDAY AND THURSDAY... STRONG SOUTHERLY FLOW WILL CONTINUE ON WEDNESDAY AS A RIDGE OF HIGH PRESSURE ALOFT BEGINS TO BUILD IN FROM THE WEST. ATMOSPHERIC MOISTURE VALUES ACROSS THE LOWER MISSISSIPPI VALLEY WILL REMAIN HIGH. MORE SCATTERED THUNDERSTORMS ARE ANTICIPATED WEDNESDAY...ESPECIALLY DURING THE AFTERNOON. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE MORE LOCALLY HEAVY RAINFALL WHICH COULD LEAD TO ADDITIONAL PONDING OF WATER IN LOW LYING AREAS. ...DAYS FOUR THROUGH SEVEN...FRIDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS NOT ANTICIPATED THROUGH TONIGHT. FOR 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.
2 thunderstorm wind, 1 hail. Local standard time, as filed.
Several trees were blown down. One home was damaged due to a tree falling on it.
A few trees were blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2003Every state in 2003This day in weather historyWarnings in Mississippi, August 2003
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: 5379389, 5379469, 5379470.