Heavy rains brought river flooding to the Ouachita, Fourche LaFave, and White Rivers.
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 rains brought river flooding to the Ouachita, Fourche LaFave, and White 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 Mar 25, 11:33 PM CST, 2 hours 27 minutes earlier.
Area Forecast Discussion...UPDATED National Weather Service Little Rock AR 1233 AM CDT Fri Mar 26 2021 .AVIATION...Updated w/ a discussion for the 26/06Z TAFs VFR condns are fcst through the PD, excluding the Nrn portion of the FA. Some MVFR CIGs will cont through the overnight hours into Fri morning, w/ condns improving to VFR status at all terminals through the day Fri. Winds early on will be VRB and become Erly by 12Z Fri morning and veer to become more S/Erly by Fri afternoon. Additionally, some patchy FG/BR may be seen locally however no major VIS restrictions are fcst. /232/ && PREV DISCUSSION...(ISSUED 258 PM CDT Thu Mar 25 2021) SHORT TERM...Tonight Through Saturday Latest subjective surface analysis indicates low pressure, centered just west of Memphis, with a cold front extending to the south-southwest to central Louisiana. Instability analysis indicates the substantial energy available for, and supporting current severe thunderstorms, is located to the east of the forecast area. Data from KLZK radar indicate scattered, generally weak convection across western Arkansas, moving to the east-northeast. This activity appears to be supported by steep mid level lapse rates, in association with upper level energy, now approaching northwest portions of the state. Most of this activity is expected to diminish shortly after sunset. Dry conditions are expected for the overnight hours and for Friday. Late Friday, additional upper level energy will approach the mid south from the from the central and southern Rockies. Low level southerly flow will develop across the state in response to the approaching energy, and the resulting warm air advection pattern will promote precipitation development Friday night, mainly across southern sections. More widespread and stronger activity is expected for Saturday, as the upper level energy gets closer to the forecast area. An associated cold front will provide additional support for convection. LONG TERM...Saturday Night Through Thursday The extended term will begin with an upper level trof to the west of the area, and a surface cold front pushing thru the area. At the moment it looks as if the front will push thru the area with rain ending by daybreak on Sunday morning, however if the timing of the next system slows down a bit, Sunday could end up being wetter than currently forecast. As the upper level system clears out of the area, the pattern aloft should briefly come more zonal in nature, and temps should start making it back into the 70's in the afternoon hours. By Wednesday, another upper level system will be approaching the area, along with a surface cold front. Models are suggesting this next system will come in further north than the past two systems, and if so, much of the area could be primed for another severe weather event on Wednesday.&& && .LZK Watches/Warnings/Advisories...NONE. && Aviation...GREEN
Hazardous Weather Outlook...UPDATED National Weather Service Little Rock AR 853 PM CDT Thu Mar 25 2021 ARZ003>008-012>017-021>025-030>034-037>047-052>057-062>069-261000- 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- 853 PM CDT Thu Mar 25 2021 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Tonight Other than some patchy fog possible Friday morning...No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday Through Wednesday Chances for widespread showers and some thunderstorms will increase across the state on Saturday as another cold front approaches the region. A few strong to severe thunderstorms will be possible with this activity. .Spotter Information Statement... Spotter activation will not be needed. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk.
The national radar mosaic for the moment the first event began.
5 flood. Local standard time, as filed.
Heavy rain brought flooding the Fourche LaFave River at Houston late March.
Heavy rains brought flooding to the Ouachita River at Thatcher Lock and Dam late March through the end of the month.
Heavy rains brought flooding the Ouachita River at Camden late March through the end of the month.
Heavy rains brought flooding the White River at Des Arc late March through the end of the month.
Heavy rains brought flooding the to the White River at Georgetown late March through the end of the month.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2021Every state in 2021This day in weather historyWarnings in Arkansas, March 2021
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: 950077, 950073, 950074, 950075, 950076.