Remnants of Hurricane Laura brought heavy rain to much of Arkansas. Heavy rain caused flooding on the White and Cache Rivers.
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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 LZK wrote it up.
Remnants of Hurricane Laura brought heavy rain to much of Arkansas. Heavy rain caused flooding on the White and Cache Rivers.
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 Aug 28, 6:21 PM CST, 59 minutes earlier.
Area Forecast Discussion National Weather Service Little Rock AR 721 PM CDT Fri Aug 28 2020 .AVIATION...29/00Z TAF CYCLE VFR conds expected thru the PD acrs the FA. The exception wl be some low clouds/fog that could affect parts of the area toward daybreak Sat. A weak fntl bndry wl enter N AR late in the day Sat. Cannot rule out some SHRA/TSRA for the northern TAF sites. Due to fcst uncertainties, mentioned VCTS at KHRO and KBPK, with better chances expected just beyond this PD. /44/ && .PREV DISCUSSION...(ISSUED 250 PM CDT Fri Aug 28 2020) Short Term..Tonight thru Sunday... The remnants of Laura have largely cleared out of the forecast area at this hour, although some wrap around clouds were still present in the northeast. Temperatures are going to rebound tomorrow markedly, and with plenty of tropical moisture remaining in place, heat index values will climb above 105 across much of the area. Dewpoints across south Arkansas will likely approach or exceed 80 degrees tomorrow, with temperatures in the mid 90s. I will be issuing a heat advisory for much of the area tomorrow, with the exception of the Ozarks where temps will not be as hot. A cold front will be dropping down across the AR/MO border region tomorrow, likely stalling across northern AR. The models are in disagreement as to how far south the front will make it into the state, but the overall consensus is that it should not drop down more than a couple rows of counties. This is a key factor, as precipitation tomorrow will be concentrated primarily in and around the front...at least initially. More than likely the convection that develops early on will evolve by afternoon or early evening into a line of storms, and with a strong midlevel westerly component, bow echoes look to be possible. By afternoon the environment south of the front should be supportive of mixed layer CAPE values in excess of 2500 j/kg. Extended Term...Sunday thru Thursday... The weather pattern will remain rather active through much of the period. To begin, an upper level shortwave trough will be centered over the central MS Valley with a weak ridge over the Desert SW. Upper level shortwave energy will interact with a weak surface boundary to promote showers and thunderstorms over mainly northern AR on Sunday into Monday. This disturbance will move east of the area Monday morning before another round of showers and thunderstorms move across the region later that afternoon. The surface boundary should lift northward but not before additional rounds of showers and thunderstorms move across the region. Another upper trough will eject out of the Rockies on Tuesday, this trough will be more impactful and potent. As the trough approaches large scale forcing for ascent will overspread the region with upper level perturbations moving through the flow. This means continued rain chances through Thursday and potential for strong to severe thunderstorms. The upper trough should be positively tilted inhibiting some severity potential, but this far out there are many other facts to be determined. In the wake of this complex, a rather strong cold front should move across the region. Drier weather will return on Thursday as cooler air filters into the region. Temperatures will hover around or slightly below average through the period, but with additional moisture present, heat index values may be near or slightly above 100 through Wednesday. Dew point temperatures will fall into the 50s and 60s to end the period. Rainfall amounts at this time appear pretty significant but there is still quite a bit of uncertainty. The greatest point of uncertainty remains on the location of the stalled frontal boundary. Stay tuned for the latest information. && .LZK Watches/Warnings/Advisories... Heat Advisory from noon to 8 PM CDT Saturday FOR Arkansas- Bradley-Calhoun-Clark-Cleburne-Cleveland-Conway-Dallas-Desha- Drew-Faulkner-Garland-Grant-Hot Spring-Independence-Jackson- Jefferson-Johnson-Lawrence-Lincoln-Logan-Lonoke-Monroe- Montgomery-Ouachita-Perry-Pike-Polk-Pope-Prairie-Pulaski- Randolph-Saline-Scott-Sharp-Van Buren-White-Woodruff-Yell. &&
Hazardous Weather Outlook...UPDATED National Weather Service Little Rock AR 608 PM CDT Fri Aug 28 2020 ARZ003>008-012>017-021>025-030>034-037>047-052>057-062>069-291000- 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- 608 PM CDT Fri Aug 28 2020 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Tonight Hazardous weather is not expected tonight. .DAYS TWO THROUGH SEVEN...Saturday Through Thursday It will be very hot to begin the weekend, with high temperatures in the 90s on Saturday. Heat index values are forecast to range from 105 to 110 degrees across much of Arkansas Saturday afternoon. After the heat, the pattern will become very unsettled. Showers and thunderstorms will become likely in northern Arkansas Saturday night into Sunday. Areas of heavy rain and the potential for severe weather are in the forecast. The main concern with storms that become severe will be damaging winds. Good chances of precipitation will continue on Monday, especially across the northern half of the state. After a brief lull later in the day, more storms will follow on Tuesday from the Plains with additional heavy downpours. Some storms could be severe. Though the middle of the week, several inches of rain will be possible across the north. Should this much rain materialize, not only will flash flooding be an issue, rivers could be on the rise. This includes the Black, Buffalo, Cache, Spring, and White Rivers. .Spotter Information Statement... Spotter activation may be needed Saturday night and early Sunday. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk. 232/46/44
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
349 PM CDT FRI AUG 28 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1020 PM TORNADO 4 WSW MAYNARD 36.40N 90.96W
08/27/2020 RANDOLPH AR NWS STORM SURVEY
A SURVEY CREW FROM THE NWS OFFICE IN LITTLE ROCK FOUND
TORNADO DAMAGE CONSISTANT WITH AN EF2 RATING. A HOUSE
SUSTAINED MAJOR ROOF DAMAGE, WITH MOST OF THE WALLS
STILL STANDING. ADDITIONAL INFORMATION IS STILL BEING
GATHERED AND A DETAILED SUMMARY RAGARDING THE TRACK OF
THE STORM WILL BE ISSUED BY THIS EVENING.
&&
EVENT NUMBER LZK2000478
44The national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
Heavy rain caused flooding on the Cache River at Patterson at the end of August.
Heavy rain caused flooding on the White River at Augusta at the end of August.
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, August 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: 911701, 911699.