A line of severe thunderstorms moved into southeast Arkansas early in the morning on March 25th and produced damaging wind gusts.
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.
A line of severe thunderstorms moved into southeast Arkansas early in the morning on March 25th and produced damaging wind gusts.
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 Mar 24, 11:41 PM CST, 1 hour 20 minutes earlier.
Area Forecast Discussion...UPDATED National Weather Service Jackson MS 1241 AM CDT Sat Mar 25 2017 .UPDATE... Updated for 06Z aviation discussion and forecast discussion. && .AVIATION... 06Z TAF discussion: Scattered MVFR conditions are expected tonight through the day tomorrow due to ceiling with south winds remaining sustained at 10 to 20 mph and occasional gusts up to 30 mph through the day tomorrow. This is all in advance of a line of showers and storms pushing toward GLH/GWO by 2 to 4 am CDT. Of course very gusty winds and temporary IFR conditions are expected in the midst of any thunderstorms. Expect this band of thunderstorms to weaken toward daybreak as it pushes through JAN/HKS and then perhaps strengthen again by midday to afternoon as it moves through the GTR/CBM/NMM/MEI/PIB/HBG corridor. In addition, addition storms could form by midday afternoon near the I-55 corridor with this activity advancing east late afternoon into the evening hours. There is some chance locations in eastern and southeastern MS could be dealing with MVFR or worse conditions and a few rounds of thunderstorms through the day tomorrow. /BB/ && .DISCUSSION... Late Evening update: Severe thunderstorm Watch #84 has just been issued for western portions of the region (mainly west of the Interstate 55 corridor through the overnight (until 6 AM CDT). Convection about to move into far western zones has previously been responsible for quite a few tornado warnings to our west, but ingredients for severe weather will be in increasingly lesser supply the further east into our region the thunderstorms progress. Still, thinking is there will be enough instability and shear to prompt some severe thunderstorms in the watch area and even though the watch is not a tornado watch, a tornado cannot be ruled out with the strongest activity in the mainly our far west. Anticipating that a good portion of the watch will be able to be canceled before watch expiration as convection clears the area. /BB/ Previous evening update: Storms have developed across the ArkLaTex this evening and within the last hour or so have taken on more of a severe nature. At this time, hail and wind appear to be the main concern with these storms. Not much seems to have changed with the thinking for these storms through the evening hours. Hi-res guidance continues to indicate that this broken line of storms will reach the western part of my forecast area by around midnight and track east through the night. Weakening seems likely still as it does, but how quickly will that occur remains the question. Mesoanalysis indicates many of the better parameters will be to our west or in the western part of my forecast area, which seems consistent with previous thinking as well. The OOZ KJAN sounding indicates a rather dry airmass despite our gusty southerly winds that continue this evening. Going hazard outlook still looks decent with the best potential for any severe storms being in the western part of the forecast area from around 11pm/midnight through the early morning hours. Expect gusty southerly winds to continue ahead of these storms as mild temperatures should hold through the night. /28/ Prior discussion below: Tonight through Saturday, Strong mixing is resulting in gusty southerly winds and enough destabilization occurred today to support a few showers in the capped airmass. Forecast thinking is generally the same concerning the severe weather potential for late tonight and again Saturday. A quasi linear convective system (QLCS) will develop over the ArkLaTex region and move into western portions of the ArkLaMiss around midnight and east of the MS River during the predawn hours. With 0-3 km southwesterly shear vectors in the 40-50 kt range and somewhat orthogonal to the roughly North-South oriented QLCS, there is still a potential for mesovortices producing tornadoes and damaging wind gusts. This threat seems greatest over the Delta region with a diminishing threat toward daybreak along the I-55 corridor. As we go into Saturday, the initial squall line should dissipate early in the morning as it moves away from better support and into a stout mid level ridge centered over the southeast CONUS. Additional cyclonic vorticity advection and upstream destabilization will help to produce another round of organized storms from late morning through the afternoon. Low level shear will not be as strong, but will monitor the potential for a tornado given 0-1km shear vectors near the 20kt threshold and perhaps better orientation of 0-3 km shear vectors. Otherwise, damaging wind gusts/hail are expected to be the main concerns with steep mid level lapse rates (VT approaching 30) producing mixed layer CAPE > 1000 J/KG. The greater threat for severe weather Saturday is expected along/east of the I- 55 corridor in contrast to tonight. /EC/ Tomorrow night and Sunday Expecting much of the severe to be over shortly after sunset with a few showers lingering in the east through midnight. The latest NAM suggests there may be some isolated convection through Sunday afternoon. The ARW is a little slower than the GFS but still shows the rain moving out. Will leave the area dry at this point for Sunday. Sunday night through Tuesday Round two of severe approaches Late Sunday night. It looks like there may be some storms approaching the river by 12z Monday. Instability is on the rise at that time, but seems to peak after 15z. The entire area has been changed to a slight risk of severe Monday. The latest runs show some difference in the speed of the system and severe could get started early. Forecast soundings did not show much 0-6 km sheer, but the wind profile looks good. Could see conditions similar to today with gradient winds around 30, 40kts at 850 and around 50kt at 500. The surface low with the system on Monday tracks northeast across the Arkansas, so for now areas north of I20 and west of I55 may see some of the bigger hail. Lapse rates support significant hail sizes, so values much larger than quarters are likely. The position of the upper jet may be lined up with the surface low as it passes through the Delta Monday morning, so the potential for good updrafts and large hail will be there. Conditions continue to support severe storms. Storms move out Monday evening, but models suggest the tail end of the boundary stalls along the coast. While it looks the area will be dry for Tuesday, a few showers can not be totally ruled out at the warm front drifts north through the day. Wednesday through Saturday While this is nearly a week away, the potential for for Round 3 of severe storms exists for late Wednesday through Thursday of next week. A closed upper low and deepening surface low move through the Delta again. The upper trough will be pretty far south, tapping some much warmer air and good moisture from the Gulf. The system is worth watching. Warmer than normal conditions will continue through the week. && .PRELIMINARY POINT TEMPS/POPS... Jackson 59 81 62 79 / 42 8 12 70 Meridian 60 81 61 78 / 55 9 9 70 Vicksburg 58 81 63 78 / 16 4 18 73 Hattiesburg 62 82 62 80 / 39 9 10 56 Natchez 59 82 64 79 / 23 6 13 62 Greenville 55 78 62 77 / 9 3 23 72 Greenwood 58 79 61 78 / 23 5 19 67 && .JAN WATCHES/WARNINGS/ADVISORIES... MS...None. LA...None. AR...None. && BB/28/EC/07
Hazardous Weather Outlook National Weather Service Jackson MS 323 PM CDT Fri Mar 24 2017 ARZ074-075-LAZ007>009-015-016-023-024-MSZ018-034-252030- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Bolivar-Washington- 323 PM CDT Fri Mar 24 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and northwest Mississippi. .DAY ONE...Tonight and Saturday NON-THUNDERSTORM WINDS THREAT...Limited TIMING...Early evening SEVERE THUNDERSTORMS THREAT...Slight TIMING...After midnight and Saturday Sustained southerly winds of 15 to 25 mph with gusts up to 35 mph will continue through early evening. This could result in some downed limbs and difficult travel for high profile vehicles. A squall line may bring severe weather late tonight, especially after midnight. The primary concerns will be for damaging wind gusts, quarter size hail, and a possible tornado. Additional storms may develop late Saturday morning and bring further potential for damaging wind gusts and quarter size hail. (www.weather.gov/images/jan/graphicast/image1.png) (www.weather.gov/images/jan/graphicast/image2.png) (www.weather.gov/images/jan/graphicast/image3.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Severe thunderstorms are possible for the entire outlook area on Monday. The primary concerns will be for large hail near golf ball size or greater and damaging wind gusts. Heavy rainfall could become a concern as well. (www.weather.gov/images/jan/graphicast/image4.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region tonight through Saturday and again Monday. LAZ025-MSZ019-025-035-040>042-047-252030- Tensas-Sunflower-Leflore-Humphreys-Issaquena-Sharkey-Yazoo-Warren- 323 PM CDT Fri Mar 24 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and northwest Mississippi. .DAY ONE...Tonight and Saturday NON-THUNDERSTORM WINDS THREAT...Limited TIMING...Early evening SEVERE THUNDERSTORMS THREAT...Slight TIMING...After midnight and Saturday Sustained southerly winds of 15 to 25 mph with gusts up to 35 mph will continue through early evening. This could result in some downed limbs and difficult travel for high profile vehicles. A squall line may bring severe weather after midnight. The primary concerns will be for damaging wind gusts, quarter size hail, and a possible tornado. Additional storms may develop around midday Saturday and bring further potential for damaging wind gusts and quarter size hail. (www.weather.gov/images/jan/graphicast/image1.png) (www.weather.gov/images/jan/graphicast/image2.png) (www.weather.gov/images/jan/graphicast/image3.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Severe thunderstorms are possible for the entire outlook area on Monday. The primary concerns will be for large hail near golf ball size or greater and damaging wind gusts. Heavy rainfall could become a concern as well. (www.weather.gov/images/jan/graphicast/image4.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region tonight through Saturday and again Monday. MSZ029>033-038-039-044>046-050>052-055>058-063>066-072>074-252030- Webster-Clay-Lowndes-Choctaw-Oktibbeha-Winston-Noxubee-Leake- Neshoba-Kemper-Scott-Newton-Lauderdale-Simpson-Smith-Jasper- Clarke-Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar- Forrest- 323 PM CDT Fri Mar 24 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and northwest Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Slight TIMING...Saturday afternoon Severe storms will be possible as we go into Saturday afternoon. The main concern will be for damaging wind gusts and hail. (www.weather.gov/images/jan/graphicast/image3.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Severe thunderstorms are possible for the entire outlook area on Monday. The primary concerns will be for large hail near golf ball size or greater and damaging wind gusts. Heavy rainfall could become a concern as well. (www.weather.gov/images/jan/graphicast/image4.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region tonight through Saturday and again Monday. MSZ026>028-036-037-043-048-049-053-054-059>062-252030- Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Hinds-Rankin- Claiborne-Copiah-Jefferson-Adams-Franklin MS-Lincoln- 323 PM CDT Fri Mar 24 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and northwest Mississippi. .DAY ONE...Tonight and Saturday NON-THUNDERSTORM WINDS THREAT...Limited TIMING...Into the evening SEVERE THUNDERSTORMS THREAT...Slight TIMING...After midnight and Saturday Sustained southerly winds of 15 to 25 mph with gusts up to 35 mph will continue through early evening. This could result in some downed limbs and difficult travel for high profile vehicles. A squall line may bring severe weather toward daybreak. The primary concerns will be for damaging wind gusts, quarter size hail, and a possible tornado. Additional storms may develop around midday Saturday and continue into the afternoon bringing additional potential for damaging wind gusts and quarter size hail. (www.weather.gov/images/jan/graphicast/image1.png) (www.weather.gov/images/jan/graphicast/image2.png) (www.weather.gov/images/jan/graphicast/image3.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Severe thunderstorms are possible for the entire outlook area on Monday. The primary concerns will be for large hail near golf ball size or greater and damaging wind gusts. Heavy rainfall could become a concern as well. (www.weather.gov/images/jan/graphicast/image4.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region tonight through Saturday and again Monday. LAZ026-252030- Concordia- 323 PM CDT Fri Mar 24 2017 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and northwest Mississippi. .DAY ONE...Tonight and Saturday NON-THUNDERSTORM WINDS THREAT...Limited TIMING...Early evening SEVERE THUNDERSTORMS THREAT...Slight TIMING...After midnight and Saturday Sustained southerly winds of 15 to 25 mph with gusts up to 35 mph will continue through early evening. This could result in some downed limbs and difficult travel for high profile vehicles. A squall line may bring severe weather after midnight. The primary concerns will be for damaging wind gusts, quarter size hail, and a possible tornado. Additional storms may develop around midday Saturday and bring further potential for damaging wind gusts and quarter size hail. (www.weather.gov/images/jan/graphicast/image1.png) (www.weather.gov/images/jan/graphicast/image2.png) (www.weather.gov/images/jan/graphicast/image3.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday Severe thunderstorms are possible for the entire outlook area on Monday. The primary concerns will be for large hail near golf ball size or greater and damaging wind gusts. Heavy rainfall could become a concern as well. (www.weather.gov/images/jan/graphicast/image4.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region tonight through Saturday and again Monday. 21 && ...HAZARD LEGEND... *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms are expected. Moderate...Severe storms expected with significant severe weather possible. Enhanced...Severe storms expected. Slight...Severe storms possible. Marginal...Isolated severe storms possible. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... www.weather.gov/jan/safe Latest Weather Briefing... www.weather.gov/jan/weather_briefing Find NWS JAN on Facebook... www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... www.youtube.com/user/NWSJacksonMiss ...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES... Storm Prediction Center (SPC)... www.spc.noaa.gov/ Meso Analysis... www.spc.noaa.gov/exper/mesoanalysis/Day 1 through 3 Outlooks... www.spc.noaa.gov/products/outlook/ Storm Reports... www.spc.noaa.gov/climo/online/
The Little Rock radar (KLZK), 165 km away, was scanning. The volume nearest the first event began at 07:00 UTC.
2 thunderstorm wind. Local standard time, as filed.
Trees were blown down near Highway 208/South Trotter Street and large limbs were blown down near South Main/Speedway Street in Dermott.
Damaging wind gusts associated with a line of thunderstorms broke a utility pole near AR Highway 159.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2017Every state in 2017This day in weather historyWarnings in Arkansas, March 2017
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: 686301, 686297.