A quasi-stationary front was sitting from western Kentucky through northern Arkansas. Showers and thunderstorms produced frequent lightning.
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The episode as NWS MEG wrote it up.
A quasi-stationary front was sitting from western Kentucky through northern Arkansas. Showers and thunderstorms produced frequent lightning.
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 28, 9:55 PM CST, 4 hours 50 minutes earlier.
Area Forecast Discussion National Weather Service Memphis TN 1055 PM CDT Thu Jul 28 2022 .UPDATE... The broad subtropical ridge off the Carolina coast extends westward into the Lower MS Valley this evening with a strong trough spinning over Ontario. Strong westerlies exists across the OH Valley in between these two features. Large-scale ascent in the right entrance region of a strong jet assisted in today's convection across the Mid-South, in addition to an area of ascent moving around the western periphery of the upper-level ridge. At the surface, the diurnal convection across the Mid-South has dissipated, but storms remain ongoing along a quasi-stationary front extending through western KY and into northern AR. The front to our north may begin to slip south overnight with an area of showers and thunderstorms develop overnight AR in the next few hours. This convection is forecast to move eastward into the Mid-South, mainly affecting areas along/north of I-40. The HRRR has been latching on to this for several runs along with the 12z HRW-ARW and the 18z NAM Nest. Localized heavy rainfall is possible but the potential for strong to severe convection should remain rather low. PoPs were increased in the northern half of the CWA overnight to account for these trends. MJ && .PREV DISCUSSION... /issued 325 PM CDT Thu Jul 28 2022/ Today is the day a lot of have been waiting on for weeks across the Midsouth; a transitional day. Over the next several days we will experience a cooler and wetter pattern. Much of the Midsouth will likely remain below 90 degrees tomorrow, through the weekend and into early next week. Tuesday into the middle of next week, we will probably see highs back in the low to middle 90s. The main focus this afternoon and tomorrow is the chance of strong to severe thunderstorms. Depending on exactly how much rain we get over the next day or two, the focus could shift to the potential for flooding this weekend. We will take a wait and see approach on the flooding potential but the WPC does include northeast Arkansas, all of west Tennessee and the Missouri Bootheel in a slight risk for excessive rainfall in both their day 1 and day 2 outlooks. The remainder of east Arkansas and north Mississippi is under a marginal risk. For day 3(Saturday) the slight risk includes far northwest Tennessee, northeast Arkansas and the Missouri Bootheel with a slight risk for the remainder of east Arkansas, the remainder of west Tennessee and all of north Mississippi. Precipitable water values will be in excess of 2 inches along and ahead of a stalled cold front across the Midsouth. Unidirectional, fairly weak, westerly wind aloft will support training of showers and thunderstorms along the surface front/boundary. Localized rain rates of 2-3 inches per hour may be possible. Rainfall totals through the weekend will likely be 2-4 inches across much of the Slight risk area with localized totals well above 4 inches possible. The Storm Prediction Center has most of the Midsouth in a marginal risk for severe thunderstorms in both their day 1 and day 2 convective outlooks. The front along with numerous outflow boundaries should help focus lift. Diffluent flow aloft should help maintain healthy updrafts. Steep low level lapse rates and the the high precipitable water values mentioned above should all be supportive of strong to severe storm clusters this afternoon/evening and tomorrow, especially during the afternoon hours. Storms should weaken and diminish after sunset both nights. Showers and thunderstorms should continue through the weekend, but the front should become unidentifiable and lapse rates are expected to weaken a bit. As a result storms over the weekend should be less organized and even more diurnally driven. However, any weak or subtle disturbances that move through the westerlies could enhance convection. The ridge returns by midweek resulting in warming temperatures. However, the extreme dry conditions do not look like they will return next week. 30 && .AVIATION... 06Z TAFs Mostly VFR conditions will remain outside of increasing shower and thunderstorm coverage tonight into tomorrow. Winds with these showers and storms will likely remain variable throughout the TAF period at 03 - 06 kts. There is a possibility for MVFR conditions at MKL early Friday morning, but if this occurs it should be short-lived. Confidence of MVFR conditions is low, so did not include this in the TAF for now. ANS && .MEG WATCHES/WARNINGS/ADVISORIES... AR...None. MO...None. MS...None. TN...None. &&
Hazardous Weather Outlook National Weather Service Memphis TN 713 PM CDT Thu Jul 28 2022 ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017- 020>024-TNZ001>004-019>022-048>055-088>092-291100- 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-Lee AR-Lee MS- Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot- Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis- Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley- Yalobusha- 713 PM CDT Thu Jul 28 2022 This hazardous weather outlook is for portions of East Arkansas... the Missouri Bootheel...North Mississippi...and West Tennessee. .DAY ONE...Tonight A few strong storms are possible tonight. Gusty winds and locally heavy rainfall will be possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday A few strong to severe storms are possible Friday across the Mid- South. Damaging winds will be the primary hazard. A cold front will approach the area late this week and stall across the Mid-South over the weekend. Locally heavy rainfall and a few strong storms are possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time. MJ
The Memphis radar (KNQA), 89 km away, was scanning. The volume nearest the first event began at 08:47 UTC.
1 lightning. Local standard time, as filed.
A nursing home in Jonesboro was damaged by a fire started by a lightning strike.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2022Every state in 2022This day in weather historyWarnings in Arkansas, July 2022
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: 1044583.