A dying mesoscale convective complex moved into the Midsouth during the early morning hours of July 19th, 2010. The complex produced damaging winds and flash flooding.
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 episode as NWS MEG wrote it up.
A dying mesoscale convective complex moved into the Midsouth during the early morning hours of July 19th, 2010. The complex produced damaging winds and 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 18, 10:42 PM CST, 2 hours 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 1142 PM CDT SUN JUL 18 2010 .UPDATE... UPDATED FOR 06Z TAF DISCUSSION. && .PREV DISCUSSION... /ISSUED 813 PM CDT SUN JUL 18 2010/ UPDATE... UPDATED FOR LOWERING PRECIPITATION CHANCES THIS EVENING DISCUSSION... SKIES HAVE BECOME PARTLY CLOUDY OVER MOST OF THE REGION TONIGHT WITH VERY LIMITED CU. EARLIER SHOWERS ACROSS NORTHERN MISSISSIPPI HAVE DIED OUT WITH THE LOSS OF HEATING. HAVE LOWERED POPS IN THIS AREA TO A SLIGHT CHANCE THROUGH 06Z...THEN TO 10 PERCENT FOR THE REMAINDER OF THE NIGHT. FURTHER NORTH...TOOK OUT MENTION ON CONVECTION THIS EVENING...WITH A SLIGHT CHANCE EXPECTED AFTER MIDNIGHT...WITH THE INTENTIONS THAT SCATTERED STORMS EXPECTED OVER MISSOURI MAY CONGEAL AND MOVE SOUTHEAST INTO THE NORTHERN COUNTIES. ADJUSTED SKY GRIDS ALSO FOR THE OVERNIGHT HOURS...WITH DECREASED CLOUD COVER. OVERNIGHT LOW TEMPERATURES...WINDS...AND HUMIDITY GRIDS APPEAR TO BE ON TRACK. JAB && .PREV DISCUSSION... /ISSUED 345 PM CDT SUN JUL 18 2010/ DISCUSSION... A SMALL LINE OF THUNDERSTORMS OVER SOUTHERN INDIANA IS ALL THAT IS LEFT OF THIS MORNING/S MCS. AMPLE CAPPING AT 700 MB KEPT THE MIDSOUTH MOSTLY DRY WITH ONLY A FEW ISOLATED THUNDERSTORMS CUTTING THROUGH INTO THE MISSOURI BOOTHEEL AND NORTHEAST ARKANSAS. ADDITIONAL THUNDERSTORM DEVELOPMENT IS UNLIKELY THROUGH THE LATE AFTERNOON AND WOULD BE DIURNAL IN NATURE. MONDAY THROUGH TUESDAY...KEPT CHANCES FOR SHOWERS AND THUNDERSTORMS GOING FOR MONDAY AS MODELS CONTINUE TO INDICATE GOOD H5 HEIGHT FALLS JUST NORTH OF THE MIDSOUTH. PASSING IMPULSES SHOULD HAVE NO PROBLEM TRIGGERING THUNDERSTORM DEVELOPMENT MONDAY AFTERNOON WITH SBCAPE VALUES AGAIN PROGGED IN THE 3000-4000 J/KG RANGE. GUSTY WINDS AND LOCALLY HEAVY RAINFALL WILL BE THE MAIN THREATS WITH ANY STORMS THAT DEVELOP. PRECIPITATION CHANCES WILL LINGER INTO TUESDAY BEFORE UPPER RIDGING BECOMES STRONGER. WEDNESDAY THROUGH FRIDAY...HEAT ADVISORIES WILL LIKELY BE NEEDED DURING THE LATER HALF OF THE WEEK. STRONG UPPER RIDGING WILL KEEP THE REGION MOSTLY DRY WITH MINIMAL RAIN CHANCES THROUGH THE END OF THE WEEK. SOUTHERLY SURFACE WINDS WILL CONTINUE TO POUR DEEP MOISTURE INTO THE AREA WITH DEWPOINTS IN THE MID 70S. SATURDAY THROUGH SUNDAY...LONG RANGE MODELS DEPICT UPPER RIDGING BEGINS TO BREAK DOWN ALLOWING A SURFACE COLD FRONT TO SLIDE CLOSE TO THE MIDSOUTH FROM THE NORTH. THE GFS BRINGS THE FRONT INTO THE AREA SATURDAY NIGHT BRINGING A RETURN OF PRECIPITATION CHANCES. THE ECMWF KEEPS THE FRONT A BIT FURTHER NORTH BUT STILL DEPICTS LIGHT QPF ACROSS THE AREA. COMPROMISED BETWEEN THE TWO FOR NOW. CCD && .AVIATION... 06Z TAF CYCLE A SUBTLE SHORTWAVE IN NORTHWEST FLOW ALOFT SUCCESSFULLY INITIATED A FAST MOVING FORWARD PROPAGATING MCS OVER SOUTHEAST MISSOURI LATE THIS EVENING. THIS CONVECTIVE COMPLEX WILL CONTINUE TO MOVE QUICKLY SOUTH INTO NORTHEAST ARKANSAS...THE MISSOURI BOOTHEEL...AND FAR NORTHWEST TENNESEE OVER THE NEXT COUPLE OF HOURS THEN SHOULD DIVE FURTHER SOUTHWESTWARD INTO GREATER INSTABILITY AXIS ALIGNED OVER WESTERN SECTIONS OF THE MID SOUTH. HAVE INCLUDED A TEMPO FOR THUNDERSTORMS AT JBR WITH HEAVY RAIN...STRONG WIND GUSTS POSSIBLE AND BRIEF REDUCTION TO IFR VISIBILITIES. FOR NOW HAVE ONLY INCLUDED VCTS FOR LATE TONIGHT AT MEM AND MKL AS CONFIDENCE FOR MCS MAINTENANCE DECREASES WITH SOUTHWARD AND EASTWARD EXTENT. LOW STRATUS AND FOG MAY DEVELOP AS THE MOIST ATMOSPHERE STABLIZES IN THE WAKE OF THE MCS TOWARDS SUNRISE. MVFR/VFR CONDITIONS WILL AGAIN BE PREVALENT ON MONDAY IN DIURNAL CU/STATOCU WITH ISOLATED CONVECTIVE DEVELOPMENT POSSIBLE...ESPECIALLY DURING THE PEAK HEATING PERIOD. WINDS WILL REMAIN OUT OF THE SOUTHWEST AROUND 10 KNOTS. JLH && .PRELIMINARY POINT TEMPS/POPS... MEM 75 93 76 95 / 30 40 10 20 MKL 73 89 74 93 / 40 40 20 20 JBR 73 93 74 95 / 60 30 10 20 TUP 74 90 74 94 / 20 40 10 20 && .MEG WATCHES/WARNINGS/ADVISORIES... AR...NONE. MO...NONE. MS...NONE. TN...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 1020 PM CDT SUN JUL 18 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>092-200530- 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- 1020 PM CDT SUN JUL 18 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TONIGHT A FEW STRONG AND SEVERE THUNDERSTORMS WILL BE POSSIBLE MAINLY NORTH OF INTERSTATE FORTY AFTER MIDNIGHT. DAMAGING WINDS AND LOCALIZED FLASH FLOODING WILL BE THE MAIN HAZARDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ADDITIONAL HEAT ADVISORIES ARE POSSIBLE ACROSS THE AREA TUESDAY THROUGH NEXT WEEKEND WITH HEAT INDEX READINGS CLIMBING TO BETWEEN 105 AND 109 DEGREES NEARLY EACH DAY. A FEW STRONG THUNDERSTORMS ARE POSSIBLE MONDAY AND TUESDAY ACROSS THE MIDSOUTH. GUSTY WINDS AND LOCALIZED FLASH FLOODING WILL BE THE MAIN HAZARDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT OVER PORTIONS OF NORTHEAST ARKANSAS...THE BOOTHEEL OF MISSOURI...AND WESTERN TENNESSEE. JAB
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1231 AM CDT MON JUL 19 2010 ARZ008-009-190615- CLAY AR-RANDOLPH AR- 1231 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 115 AM CDT FOR... WESTERN CLAY COUNTY IN EASTERN ARKANSAS... NORTHEASTERN RANDOLPH COUNTY IN EASTERN ARKANSAS... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 50 MPH WAS LOCATED 12 MILES NORTH OF SUCCESS AT 1231 AM CDT...MOVING SOUTHEAST AT 15 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CLAY AND RANDOLPH COUNTIES...INCLUDING LOCATIONS NEAR CORNING...SHOULD MONITOR THIS STORM CLOSELY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 101 AM CDT MON JUL 19 2010 ARZ009-018-MOZ113-190645- CLAY AR-GREENE AR-DUNKLIN MO- 101 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 145 AM CDT FOR... CLAY COUNTY IN EASTERN ARKANSAS... NORTHERN GREENE COUNTY IN EASTERN ARKANSAS... CENTRAL DUNKLIN COUNTY IN SOUTHEAST MISSOURI... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 3 MILES NORTH OF MCDOUGAL AT 101 AM CDT...MOVING SOUTH AT 25 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CLAY...DUNKLIN AND GREENE COUNTIES...INCLUDING LOCATIONS NEAR CHALK BLUFF NATURAL AREA...CORNING...MARMADUKE...PIGGOTT AND RECTOR...SHOULD MONITOR THIS STORM CLOSELY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 116 AM CDT MON JUL 19 2010 ARZ009-MOZ113-115-TNZ001-190645- CLAY AR-DUNKLIN MO-PEMISCOT MO-LAKE TN- 116 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 145 AM CDT FOR... NORTHEASTERN CLAY COUNTY IN EASTERN ARKANSAS... NORTH CENTRAL LAKE COUNTY IN NORTHWEST TENNESSEE... CENTRAL DUNKLIN COUNTY IN SOUTHEAST MISSOURI... NORTHERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 50 MPH WAS LOCATED 6 MILES EAST OF WARDELL AT 116 AM CDT...MOVING SOUTH AT 45 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CLAY...DUNKLIN...LAKE AND PEMISCOT COUNTIES...INCLUDING LOCATIONS NEAR CAMPBELL...SHOULD MONITOR THIS STORM CLOSELY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 126 AM CDT MON JUL 19 2010 ARZ008-009-017-018-MOZ113-115-190715- CLAY AR-RANDOLPH AR-GREENE AR-LAWRENCE AR-DUNKLIN MO-PEMISCOT MO- 126 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 215 AM CDT FOR... CLAY COUNTY IN EASTERN ARKANSAS... GREENE COUNTY IN EASTERN ARKANSAS... EAST CENTRAL LAWRENCE COUNTY IN EASTERN ARKANSAS... EASTERN RANDOLPH COUNTY IN EASTERN ARKANSAS... DUNKLIN COUNTY IN SOUTHEAST MISSOURI... SOUTHWESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 6 MILES SOUTH OF MCDOUGAL AT 126 AM CDT...MOVING SOUTHEAST AT 20 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CLAY...DUNKLIN...GREENE...LAWRENCE...PEMISCOT AND RANDOLPH COUNTIES...INCLUDING LOCATIONS NEAR CHALK BLUFF NATURAL AREA... CORNING...CROWLEYS RIDGE STATE PARK...KENNETT...MARMADUKE... PARAGOULD...PIGGOTT...RECTOR...SENATH AND STEELE...SHOULD MONITOR THIS STORM CLOSELY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 133 AM CDT MON JUL 19 2010 ARZ028-MOZ113-115-TNZ019-048-049-190730- MISSISSIPPI AR-DUNKLIN MO-PEMISCOT MO-LAUDERDALE TN-DYER TN-TIPTON 133 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 230 AM CDT FOR... MISSISSIPPI COUNTY IN EASTERN ARKANSAS... EXTREME SOUTHWESTERN DYER COUNTY IN NORTHWEST TENNESSEE... SOUTHERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI... SOUTHWESTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI... WESTERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE... EXTREME NORTH CENTRAL TIPTON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 4 MILES EAST OF BLYTHEVILLE AT 133 AM CDT...MOVING SOUTHEAST AT 15 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN DUNKLIN...DYER...LAUDERDALE...MISSISSIPPI...PEMISCOT AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BLYTHEVILLE...FORT PILLOW STATE PARK...GOSNELL...KEISER...LEACHVILLE...LUXORA...MANILA AND OSCEOLA...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BIG LAKE...OPEN LAKE...SUNK LAKE AND THE CHUTE.
The Memphis radar (KNQA), 68 km away, was scanning. The volume nearest the first event began at 07:02 UTC.
2 thunderstorm wind. Local standard time, as filed.
Straight line winds knocked down a few trees near Nankipoo.
Straight line winds knocked down trees and power lines off of Highway 87 near Fort Pillow State Prison.
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: 249133, 249134.