A nearly stationary surface trough was located over the Mid-South during the afternoon and evening hours of July 3rd, 2010. The combination of daytime heating and the trough produced showers and thunderstorms across portions of West Tennessee.
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The episode as NWS MEG wrote it up.
A nearly stationary surface trough was located over the Mid-South during the afternoon and evening hours of July 3rd, 2010. The combination of daytime heating and the trough produced showers and thunderstorms across portions of West Tennessee. A few storms produced flash flooding.
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 Memphis, TN wrote its last area forecast discussion before the first event at Jul 3, 5:40 PM CST, 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 640 PM CDT SAT JUL 3 2010 .DISCUSSION... UPDATED FOR 00Z AVIATION DISCUSSION && .PREV DISCUSSION... /ISSUED 257 PM CDT SAT JUL 3 2010/ DISCUSSION... SKIES ARE PARTLY TO MOSTLY SUNNY OVER MUCH OF THE FORECAST AREA THIS AFTERNOON WITH TEMPERATURES FROM THE MID 80S TO LOWER 90S. A COUPLE OF ISOLATED THUNDERSTORMS HAVE DEVELOPED IN WEST TENNESSEE AND EAST ARKANSAS. THIS ACTIVITY MAY INCREASE A LITTLE DURING THE EVENING HOURS SO HAVE PUT 20 POPS IN THE FORECAST. ANY ACTIVITY THAT DEVELOPS SHOULD DISSIPATE SHORTLY AFTER SUNSET. HOT AND HUMID WEATHER SHOULD PERSIST THROUGH THE REMAINDER OF THE HOLIDAY WEEKEND AS UPPER LEVEL RIDGE HANGS OVER MUCH OF THE EASTERN U.S. AN ISOLATED THUNDERSTORM IS NOT OUT OF THE QUESTION BUT COVERAGE SHOULD REMAIN LIMITED. MODELS SHOW WEAK TROPICAL SYSTEM REACHING THE LOUISIANA COAST BY MONDAY AFTERNOON AND MOVING INTO SOUTHEAST TEXAS BY MONDAY NIGHT. THIS SYSTEM MAY HELP PRODUCE A FEW THUNDERSTORMS FOR THE FORECAST AREA FOR MONDAY NIGHT. A WEAK COLD FRONT WILL MOVE INTO NORTHWEST ARKANSAS AND CENTRAL MISSOURI ON TUESDAY WHICH MAY KICK OFF A FEW ISOLATED THUNDERSTORMS ACROSS THE FORECAST AREA FOR TUESDAY AND TUESDAY NIGHT. THE UPPER LEVEL RIDGE WILL STRENGTHEN SOME OF WEDNESDAY AND REMAIN IN PLACE FOR LATTER PART OF THE WEEK. AS A RESULT...DRY WEATHER SHOULD RETURN FOR WEDNESDAY THROUGH SATURDAY WITH TEMPERATURES RETURNING TO THE MID 90S. WITH HIGH HUMIDITY EXPECTED DURING THIS PERIOD...HEAT INDICES MAY EXCEED 100 DEGREES AT TIMES. ARS .AVIATION... 00Z TAF CYCLE ISOLATED SHRAS/TSRAS MAINLY NORTH OF I-40 WILL DISSIPATE BY 04/02Z AND SHOULD NOT IMPACT ANY TAF SITES. EXPECT VFR CONDITIONS THROUGH THE TAF PERIOD. AIRMASS WILL BE MORE STABLE ON SUNDAY SO NO SHRAS/TSRAS EXPECTED. SOUTH WINDS WILL DIMINISH AROUND 04/01Z AND INCREASE AGAIN TO 8-12 KTS AFT 04/15Z. SJM && .PRELIMINARY POINT TEMPS/POPS... MEM 74 93 73 94 / 20 0 10 10 MKL 69 92 67 92 / 20 0 10 10 JBR 72 93 69 93 / 20 10 10 10 TUP 70 92 71 92 / 20 0 10 20 && .MEG WATCHES/WARNINGS/ADVISORIES... AR...NONE. MO...NONE. MS...NONE. TN...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 451 AM CDT SAT JUL 3 2010 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-041200- ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-COAHOMA- CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-DUNKLIN-DYER- FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-HENDERSON-HENRY- ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-LEE AR-LEE MS-MADISON- MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT- PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY- ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA- UNION-WEAKLEY-YALOBUSHA- 451 AM CDT SAT JUL 3 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY HOT AND HUMID WEATHER WILL RETURN NEXT WEEK ACROSS THE MID SOUTH WITH DANGEROUS HEAT INDEX VALUES APPROACHING OR EXCEEDING 105 DEGREES POSSIBLE DURING THE MIDDLE TO END OF NEXT WEEK. HEAT ADVISORIES MAY BECOME NECESSARY ACROSS PORTIONS OF THE MID SOUTH DURING THIS TIME PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. JLH
The Memphis radar (KNQA), 11 km away, was scanning. The volume nearest the first event began at 23:46 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain produced flash flooding southwest of Munford. Portions of McCormick Road were closed due to flooding as a result.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2010Every state in 2010This day in weather historyWarnings in Tennessee, July 2010
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: 245491.