Weak seabreeze boundary made it northward from South Central Louisiana into portions of Northwest Louisiana during the late afternoon and early evening hours of July 9th. A single thunderstorm developed south of Natchez, Louisiana, moving north and snapped powerpoles in Natchez, Louisiana.
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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 SHV wrote it up.
Weak seabreeze boundary made it northward from South Central Louisiana into portions of Northwest Louisiana during the late afternoon and early evening hours of July 9th. A single thunderstorm developed south of Natchez, Louisiana, moving north and snapped powerpoles in Natchez, Louisiana.
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 Shreveport, LA wrote its last area forecast discussion before the first event at Jul 9, 2:50 PM CST, 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 350 PM CDT THU JUL 9 2015 .DISCUSSION... ISOLD SEA BREEZE CONVECTION HAS MOVED INTO OUR SRN PARISHES THIS AFTN. THIS ACTIVITY SHOULD DIMINISH WITH THE LOSS OF DAYTIME HEATING. WE SHOULD SEE MORE SEA BREEZE ACTION FOR FRIDAY AND SATURDAY...BEFORE THE UPPER RIDGE MOVES OVHD AND BEGINS TO BUILD DURING SUNDAY. THE MODELS CONTINUE TO TREND STRONGER AND STRONGER WITH THE UPPER RIDGE AS IT SETS UP OVER TX FOR MUCH OF THE FCST PD. THIS WILL LIKELY SQUASH ANY POSSIBILITY FOR RAINFALL THIS PD...AND WILL SEND OUR TEMPS UP TOWARDS THE CENTURY MARK BY THE END OF THE PD. /12/ && .PREV DISCUSSION... /ISSUED 1227 PM CDT THU JUL 9 2015/ AVIATION... MAINLY VFR CONDITIONS TO PREVAIL THROUGH THE TERMINAL FORECAST PERIOD. COULD SEE TEMPO MVFR CEILINGS AROUND DAYBREAK. OTHERWISE...SOUTH WINDS 10 TO 15 KNOTS AND GUSTY TO BECOME 5 TO 10 KNOTS OVERNIGHT AND THEN SOUTHWEST 10 TO 15 KNOTS ON FRIDAY. /05/ && .PRELIMINARY POINT TEMPS/POPS... SHV 75 94 76 94 / 0 10 10 10 MLU 75 95 74 94 / 10 20 10 10 DEQ 71 93 72 91 / 0 10 10 10 TXK 75 94 75 93 / 0 10 10 10 ELD 73 94 73 94 / 0 10 10 10 TYR 74 93 74 93 / 0 10 10 10 GGG 73 93 74 93 / 0 10 10 10 LFK 75 96 74 95 / 10 20 10 20 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 12
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1058 AM CDT THU JUL 9 2015 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-101600- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-DE SOTO- RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE-NATCHITOCHES-WINN- GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE-FRANKLIN-TITUS-CAMP- MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK- PANOLA-NACOGDOCHES-SHELBY-ANGELINA-SAN AUGUSTINE- 1058 AM CDT THU JUL 9 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS WILL NOT BE NEEDED THROUGH TONIGHT. 12
The Ft Polk radar (KPOE), 58 km away, was scanning. The volume nearest the first event began at 21:15 UTC.
1 thunderstorm wind. Local standard time, as filed.
Powerpoles and powerlines were downed on Hwy. 1 south in Natchez, Louisiana.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2015Every state in 2015This day in weather historyWarnings in Louisiana, July 2015
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: 577244.