A strong outflow boundary from distant convection caused damaging winds to portions of northeast Mississippi during the mid afternoon hours of June 9th.
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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 MEG wrote it up.
A strong outflow boundary from distant convection caused damaging winds to portions of northeast Mississippi during the mid afternoon hours of June 9th.
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 Jun 9, 11:52 AM CST, 1 hour 38 minutes earlier.
Area Forecast Discussion National Weather Service Memphis TN 1252 PM CDT Sat Jun 9 2018 .DISCUSSION... Updated for aviation discussion && .PREV DISCUSSION... /issued 1116 AM CDT Sat Jun 9 2018/ UPDATE... Ongoing convection across Southern Missouri is slowly drifting east-southeast. The CAM models are showing this convection dying out as it sinks into the Mid-South. However, some of the CAM models are indicating redevelopment will occur south of this area which means Northeast Arkansas, the Missouri Bootheel and portions of West Tennessee could see convection this afternoon. Don't know if an outflow boundary coming off the current convection will be the initiation point or its just an area of convergence. For now have nudged POPS up slightly. May need to bump up further if convection indeeds starts developing. Rest of forecast looks good. KRM DISCUSSION... /issued 317 AM CDT Sat Jun 9 2018/ Another hot day is on tap for the Midsouth. Highs will climb well into the 90s again today with heat indices in the middle to upper 90s. Weak Northwest flow will remain in place across the Midsouth for the next few days as a ridge over the Plains gradually shifts East. A weak shortwave trough will move through the mean flow across Iowa into South Illinois/Indiana, possibly bringing a few showers and thunderstorms to Northern portions of the Midsouth this afternoon but the mean storm track will keep most activity to our North. Our convection will be mostly driven by daytime heating...possibly enhanced a bit by the shortwave. Thicknesses will lower slightly early next week bringing temperatures back down slightly, but still a few degrees above normal. The ridge over the Plains will slowly flatten out during the early to middle part of the work week resulting in zonal flow across the Midsouth. We may see a weak cold front stall across the region on Wednesday, but confidence in low that the front will make it this far South due to the lack of steering flow aloft. Nevertheless, Wednesday may be our best shot at rain over the next 7 days. Late in the work week, a ridge will restrengthen over the Plains resulting in drier and warmer conditions across the Midsouth. Guidance looks a bit cool Thursday into Friday given the expected pattern. 30 && .AVIATION... Mainly VFR conditions will continue through the period. A weak midlevel shear axis over the region and outflow boundaries moving south from convective activity over MO will trigger isolated to scattered SHRAs/TSRAs this afternoon. Activity will dissipate by sunset. Expect SW winds at 7-9 kts this afternoon diminishing overnight. Some models are depicting some activity moving into West TN Sunday afternoon but confidence in timing/areal extent is low. SJM && .MEG WATCHES/WARNINGS/ADVISORIES... AR...None. MO...None. MS...None. TN...None. &&
Hazardous Weather Outlook National Weather Service Memphis TN 317 AM CDT Sat Jun 9 2018 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-101030- Alcorn-Benton MS-Benton TN-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- 317 AM CDT Sat Jun 9 2018 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 The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time.
The national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
Trees were blown down in Aberdeen. One large tree fell on a house on Jefferson Street.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2018Every state in 2018This day in weather historyWarnings in Mississippi, June 2018
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: 767119.