In a hot and humid summertime air mass, scattered thunderstorms developed by the afternoon hours on the 18th and the 22nd. A few severe thunderstorms produced wind gusts which blew down trees and damaged property.
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 JAN wrote it up.
In a hot and humid summertime air mass, scattered thunderstorms developed by the afternoon hours on the 18th and the 22nd. A few severe thunderstorms produced wind gusts which blew down trees and damaged property. On the 22nd, slow storm movement and heavy rainfall led to flooding 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 Jackson, MS wrote its last area forecast discussion before the first event at Jun 18, 10:12 AM CST, 3 hours 2 minutes earlier.
Area Forecast Discussion National Weather Service Jackson MS 1112 AM CDT Mon Jun 18 2018 .UPDATE... Updated for morning discussion. && .DISCUSSION... Ridging to the east continues to suppress convection for much of the area. Models are in pretty good agreement that convection will be confined to the southwest/west so no real changes were made to the forecast. PW values to the southwest were near 2 inches, so will continue to monitor the area for heavy rainfall. Clouds and temps were good. && .AVIATION... 18Z TAF discussion: VFR conditions should prevail at most sites through the afternoon. Low clouds may briefly lead to MVFR conditions. Light rain was occurring around HBG, but not likely to cause restrictions to visibility within the next hour or two. May add VCSH/shra to HBG and JAN for late afternoon. Locations with rain may see some patchy fog overnight. May add patchy fog to HBG. High pressure will cause similar conditions tomorrow with most locations missing the rain. Ceilings may lower briefly. Otherwise, VFR conditions should prevail. && .PRELIMINARY POINT TEMPS/POPS... Jackson 89 70 90 72 / 27 12 27 6 Meridian 91 70 92 73 / 2 6 19 5 Vicksburg 90 71 89 73 / 35 14 39 13 Hattiesburg 91 70 93 72 / 20 6 28 5 Natchez 86 70 89 72 / 50 18 41 19 Greenville 92 71 89 72 / 18 11 27 14 Greenwood 92 71 90 72 / 8 9 22 9 && .JAN WATCHES/WARNINGS/ADVISORIES... MS...None. LA...None. AR...None. && 07
Hazardous Weather Outlook National Weather Service Jackson MS 349 AM CDT Mon Jun 18 2018 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 190900- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar- Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes- Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston- Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper- Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah- Simpson-Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln- Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest- 349 AM CDT Mon Jun 18 2018 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, north central Mississippi, and south central Mississippi. .DAY ONE...Today and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Sunday. NF && ...HAZARD LEGEND... No short term hazards expected. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... https://www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... https://www.weather.gov/jan/safe Latest Weather Briefing... https://www.weather.gov/jan/weather_briefing Tropical page... https://www.weather.gov/jan/srh/tropical?office=jan National Hurricane Center Home Page... https://www.nhc.noaa.gov/ Find NWS JAN on Facebook... https://www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... https://www.youtube.com/user/NWSJacksonMiss
The Little Rock radar (KLZK), 165 km away, was scanning. The volume nearest the first event began at 19:13 UTC.
3 thunderstorm wind, 2 flash flood. Local standard time, as filed.
A tree was blown down across power lines in Dermott.
A tree was blown down onto power lines in the 300 block of Missouri Street.
Several rounds of heavy rain resulted in widespread street flooding around Crossett and water covered a few surrounding county roads.
A tree was blown down just east of Wilmot.
Several city streets in Dermott experienced several inches of street flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2018Every state in 2018This day in weather historyWarnings in Arkansas, 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: 765367, 766331, 766336, 766345, 766355.