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, 4 hours 33 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 204 AM CDT MON JUL 19 2010 ARZ028-TNZ048>050-190745- MISSISSIPPI AR-LAUDERDALE TN-HAYWOOD TN-TIPTON TN- 204 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 245 AM CDT FOR... SOUTHERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS... WESTERN HAYWOOD COUNTY IN SOUTHWEST TENNESSEE... SOUTHERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE... TIPTON COUNTY IN SOUTHWEST TENNESSEE... A THUNDERSTORM OUTFLOW BOUNDARY PRODUCING WINDS BETWEEN 40 AND 50 MPH WILL PRECEDE THE RAIN AND LIGHTNING. THIS OUTFLOW BOUNDARY WAS LOCATED ALONG A LINE FROM CARAWAY TO OSCEOLA TO RIPLEY TO NUTBUSH AT 202 AM CDT...MOVING SOUTH AT 40 MPH. PEOPLE IN HAYWOOD...LAUDERDALE...MISSISSIPPI AND TIPTON COUNTIES... INCLUDING LOCATIONS NEAR COVINGTON...FORT PILLOW STATE PARK... KEISER...LUXORA...OSCEOLA...RIPLEY AND WILSON...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES OPEN LAKE...SUNK LAKE AND THE CHUTE.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
212 AM CDT MON JUL 19 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0110 AM TSTM WND GST HAYTI 36.23N 89.75W
07/19/2010 E65 MPH PEMISCOT MO TRAINED SPOTTER
LARGE TREE LIMBS DOWN FROM HIGH WINDS
&&
MBSSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 232 AM CDT MON JUL 19 2010 ARZ027-028-036-TNZ049-050-088-089-190830- MISSISSIPPI AR-CRITTENDEN AR-POINSETT AR-FAYETTE TN-SHELBY TN- HAYWOOD TN-TIPTON TN- 232 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 330 AM CDT FOR... CRITTENDEN COUNTY IN EASTERN ARKANSAS... SOUTHWESTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS... SOUTHEASTERN POINSETT COUNTY IN EASTERN ARKANSAS... FAYETTE COUNTY IN SOUTHWEST TENNESSEE... SOUTHWESTERN HAYWOOD COUNTY IN SOUTHWEST TENNESSEE... SHELBY COUNTY IN SOUTHWEST TENNESSEE... TIPTON COUNTY IN SOUTHWEST TENNESSEE... A THUNDERSTORM OUTFLOW BOUNDARY PRODUCING WINDS BETWEEN 35 AND 45 MPH WILL MOVE ACROSS THE AREA. THESE STRONG WINDS MAY RESULT IN DOWNED LARGE TREE LIMBS. LITTLE TO NO RAIN OR LIGHTNING IS EXPECTED. THIS OUTFLOW BOUNDARY WAS LOCATED ALONG A LINE FROM KIESER ARKANSAS TO COVINGTON TENNESSEE TO BROWNSVILLE TENNESSEE AT 230 AM CDT...MOVING SOUTH AT 35 MPH. PEOPLE IN CRITTENDEN...FAYETTE...HAYWOOD...MISSISSIPPI...POINSETT... SHELBY AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BARTLETT... COLLIERVILLE...CORDOVA...COVINGTON...EARLE...GERMANTOWN...LEPANTO... MARION...MARKED TREE...MEEMAN SHELBY FOREST STATE PARK...MIDTOWN MEMPHIS...MILLINGTON...T O FULLER STATE PARK...TYRONZA...WEST MEMPHIS AND WILSON...SHOULD MONITOR THIS STRONG WIND POTENTIAL CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BRANDYWINE LAKE...CORONEE LAKE...LAKE MCKELLAR...ROBCO LAKE AND WAPANOCCA LAKE.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 239 AM CDT MON JUL 19 2010 ARZ028-TNZ019-048>050-190800- MISSISSIPPI AR-LAUDERDALE TN-HAYWOOD TN-DYER TN-TIPTON TN- 239 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 300 AM CDT FOR... MISSISSIPPI COUNTY IN EASTERN ARKANSAS... SOUTHWESTERN DYER COUNTY IN NORTHWEST TENNESSEE... EXTREME WEST CENTRAL HAYWOOD COUNTY IN SOUTHWEST TENNESSEE... LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE... NORTHEASTERN TIPTON COUNTY IN SOUTHWEST TENNESSEE... STRONG WINDS BETWEEN 35 AND 45 MPH WILL CONTINUE ACROSS THE ADVISORY AREA. THESE STRONG WINDS MAY DOWN LARGE TREE LIMBS AND BLOW AROUND UNTIED OUTDOOR OBJECTS. VERY HEAVY RAIN ALONG WITH CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE. PEOPLE IN DYER...HAYWOOD...LAUDERDALE...MISSISSIPPI AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BLYTHEVILLE...FORT PILLOW STATE PARK...GOSNELL...KEISER...LEACHVILLE...LUXORA...MANILA...OSCEOLA AND RIPLEY...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BIG LAKE...CHISHOLM LAKE...OPEN LAKE...SUNK LAKE AND THE CHUTE.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 303 AM CDT MON JUL 19 2010 ARZ028-036-TNZ048-049-088-089-190830- MISSISSIPPI AR-CRITTENDEN AR-LAUDERDALE TN-FAYETTE TN-SHELBY TN- TIPTON TN- 303 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 330 AM CDT FOR... NORTHEASTERN CRITTENDEN COUNTY IN EASTERN ARKANSAS... MISSISSIPPI COUNTY IN EASTERN ARKANSAS... EXTREME NORTHWESTERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE... WESTERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE... EXTREME NORTHEASTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE... TIPTON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORMS CONTINUE TO PRODUCE WINDS OF 35 TO 45 MPH. THESE WINDS MAY DOWN LARGE TREE LIMBS AND BLOW UNTIED OUTDOOR ITEMS. PEOPLE IN CRITTENDEN...FAYETTE...LAUDERDALE...MISSISSIPPI...SHELBY AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BLYTHEVILLE... COVINGTON...FORT PILLOW STATE PARK...GOSNELL...KEISER...LEACHVILLE... LUXORA...MANILA...OSCEOLA AND WILSON...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BIG LAKE... CORONEE LAKE...OPEN LAKE...SUNK LAKE AND THE CHUTE.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 323 AM CDT MON JUL 19 2010 ARZ035-036-048-TNZ049-088-089-190900- CROSS AR-ST. FRANCIS AR-CRITTENDEN AR-FAYETTE TN-SHELBY TN-TIPTON TN- 323 AM CDT MON JUL 19 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 400 AM CDT FOR... CRITTENDEN COUNTY IN EASTERN ARKANSAS... EASTERN CROSS COUNTY IN EASTERN ARKANSAS... NORTHEASTERN ST. FRANCIS COUNTY IN EASTERN ARKANSAS... FAYETTE COUNTY IN SOUTHWEST TENNESSEE... SHELBY COUNTY IN SOUTHWEST TENNESSEE... SOUTHERN TIPTON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORMS WILL CONTINUE TO PRODUCE WINDS OF 35 TO 45 MPH. WIND GUSTS MAY DOWN LARGE TREE LIMBS AND BLOW UNTIED OUTDOOR ITEMS. BRIEF HEAVY RAIN IS ALSO POSSIBLE WITH THESE THUNDERSTORMS. PEOPLE IN CRITTENDEN...CROSS...FAYETTE...SHELBY...ST. FRANCIS AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BARTLETT...COLLIERVILLE... CORDOVA...EARLE...GERMANTOWN...MARION...MEEMAN SHELBY FOREST STATE PARK...MIDTOWN MEMPHIS...MILLINGTON...PARKIN...T O FULLER STATE PARK AND WEST MEMPHIS...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BRANDYWINE LAKE...CORONEE LAKE...LAKE MCKELLAR...ROBCO LAKE AND WAPANOCCA LAKE.
The Memphis radar (KNQA), 104 km away, was scanning. The volume nearest the first event began at 09:14 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain produced flash flooding in Marmaduke. Several streets were flooded as a result.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2010Every state in 2010This day in weather historyWarnings in Arkansas, 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: 249135.