Heavy rain on the 23rd brought four to five inch rainfall totals at Kelso (Desha County), with three to four inches at Malvern (Hot Spring County), Mount Ida (Montgomery County), and Murfreesboro (Pike County).
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 LZK wrote it up.
Heavy rain on the 23rd brought four to five inch rainfall totals at Kelso (Desha County), with three to four inches at Malvern (Hot Spring County), Mount Ida (Montgomery County), and Murfreesboro (Pike County).
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 Little Rock, AR wrote its last area forecast discussion before the first event at Sep 23, 5:58 AM CST, 32 minutes earlier.
Area Forecast Discussion National Weather Service Little Rock AR 658 AM CDT Wed Sep 23 2020 .UPDATE... Updated to include the 12z aviation discussion. .AVIATION... IFR conds will prevail this morning with scattered SHRA/+RA continuing across much of the state today. IFR conds are expected to persist through the TAF period due to low CIGs at all locations except KHRO and KBPK. Nrn terminals may improve to MVFR/VFR. SHRA will slowly end from NW to SE late Wednesday night/Thursday morning. && .PREV DISCUSSION...(ISSUED 401 AM CDT Wed Sep 23 2020) SHORT TERM...Today Through Thursday Night Unsettled weather will continue across AR this morning as tropical moisture associated with the remnants of Beta advects into the region. An upper level shortwave trough, currently moving across the Srn plains, is generating cyclonic flow over NW AR/SW MO and providing local forcing for ascent. Moisture from Beta will stream into this upper low resulting in intermittent rainfall through early Thursday across at least portions of AR. Today, stratiform precipitation will slowly lift NEwrd ahead of the upper low. Light to moderate, possibly heavy at times, rainfall will persist across SE AR through mid-day Thursday. Over NW AR, precipitation will begin to wind down as sinking air moves into the Wrn side of the upper low and dries out. QPF totals through Thursday will range from one to three inches over SE AR to maybe a couple tenths over NW AR. Given the stratiform nature of the precipitation, flash flooding is unlikely to become a problem thus no headlines for heavy rainfall will be mentioned. Temperatures today are not expected to climb much with cloud cover and rainfall lingering combined with NE/E surface winds. High temperatures are expected to mainly be in the 60s this afternoon. A few 70s will be possible over the extreme N where PoPs are be lowest. Temperatures will moderate 5-10 degrees on Thursday with precipitation coming to an end from NW to SE during the day. Quite conditions will end the short term period. LONG TERM...Friday Through Wednesday Models are all in good agreement that a significant pattern change will be occurring during the extended period. Medium range models also agree that precipitation will be very hard to come by and as such, all rain chances have been removed. Forecast solution this morning was based on a general blend of the GFS and ECMWF. Period initiates with the remnants of Beta somewhere over northern Alabama with weak troughing over the southeast United States. Even with this weak trough over the area, moisture appears to be very limited and no precipitation is expected. Weak ridging will build over the area for the weekend as a broad trough moves into the Great Lakes states. Temperatures through the weekend will be close to or even a little above seasonal norms. As the aforementioned Great Lakes trough moves into the Ohio Valley, it will push a very weak cold front into the northern part of the state Sunday evening where it will basically wash out with little impact. Heading into next week, the upper pattern becomes highly amplified, characterized by strong ridging over the western United States and subsequent downstream troughing over the east. As the upper pattern evolves, a strong, albeit dry cold front will move through the state Monday night. Strong surface high pressure of Canadian origin will follow the front with a much drier and cooler air mass coming into the area towards the end of the period. && .LZK Watches/Warnings/Advisories...NONE. && Aviation...JONES
Hazardous Weather Outlook National Weather Service Little Rock AR 420 AM CDT Wed Sep 23 2020 ARZ003>008-012>017-021>025-030>034-037>047-052>057-062>069-241000- Boone-Marion-Baxter-Fulton-Sharp-Randolph-Newton-Searcy-Stone- Izard-Independence-Lawrence-Johnson-Pope-Van Buren-Cleburne- Jackson-Logan-Conway-Faulkner-White-Woodruff-Scott-Yell-Perry- Polk-Montgomery-Garland-Saline-Pulaski-Lonoke-Prairie-Monroe-Pike- Clark-Hot Spring-Grant-Jefferson-Arkansas-Dallas-Cleveland- Lincoln-Desha-Ouachita-Calhoun-Bradley-Drew- 420 AM CDT Wed Sep 23 2020 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Today and Tonight Widespread showers will continue Wednesday and Wednesday night before tapering off Thursday. One to three inches of rainfall is expected across the southern and southeastern sections of the state with locally higher amounts possible. These rainfall amounts may result in some isolated flash flooding where the locally heavier rainfall occurs. Otherwise, hazardous weather is not anticipated through tonight. .DAYS TWO THROUGH SEVEN...Wednesday Through Monday No hazardous weather is anticipated through Monday. .Spotter Information Statement... Spotter activation will not be needed. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk. 56/230
The Little Rock radar (KLZK), 156 km away, was scanning. The volume nearest the first event began at 12:29 UTC.
1 flash flood. Local standard time, as filed.
One to two feet of water was over Ash and Oak Streets in Mcgehee.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2020Every state in 2020This day in weather historyWarnings in Arkansas, September 2020
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: 916834.