A broken band of supercell thunderstorms developed across Southeast Oklahoma late in the afternoon on April 28th, with this convection being largely focused along an outflow boundary and warm front lifting northward. The downstream air mass on the western edge of an earlier cold pool in far Southwest Arkansas adjacent to Southeast Oklahoma was still recovering with MLCAPE values rebounding to…
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The episode as NWS SHV wrote it up.
A broken band of supercell thunderstorms developed across Southeast Oklahoma late in the afternoon on April 28th, with this convection being largely focused along an outflow boundary and warm front lifting northward. The downstream air mass on the western edge of an earlier cold pool in far Southwest Arkansas adjacent to Southeast Oklahoma was still recovering with MLCAPE values rebounding to 2500-3500 J/kg. This recovering air mass coupled with an environment featuring 50-55 knots of effective bulk shear and effective storm-relative helicity (SRH) of around 200 m2/s2 supported the continuation of these supercells. As a result, a few reports of damaging wind gusts were recorded across parts of Southwest Arkansas during the late afternoon on April 28th.
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 Shreveport, LA wrote its last area forecast discussion before the first event at Apr 28, 1:56 PM CST, 3 hours 38 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Shreveport LA 256 PM CDT Tue Apr 28 2026 ...New DISCUSSION, SPOTTER INFORMATION STATEMENT... .KEY MESSAGES... Issued at 145 PM CDT Tue Apr 28 2026 - Round Two is underway across the TX/OK Red River Valley and our heating has opened up for a much better result ahead of this late day approach. - The cold front will add forcing with our surface winds shifting to N before daybreak across I-30 then by mid morning for I-20. - A nice 1022mb air mass will set up shop for a stellar weekend. && .DISCUSSION... Issued at 145 PM CDT Tue Apr 28 2026 The cirrus veil has parted from earlier thunderstorms up wind, with more sunshine on tap for the afternoon. So far, we see a wide range of temperatures here from 77 at DeQueen to 89 at Lufkin. S/SW winds are going to gust up a little and the cap will elevated and cool in the process. Our dew points remain loaded for bear with lower 70s on average. It's 68 in Center for the driest and 75 for the wettest. Although Idabel is 81 over 81 and may be stuck. The gusty SW winds are feeding into this new (round two) thunderstorm development over N TX, west of Lake Texoma. A line extends NE along the frontal boundary into Oklahoma City and Tulsa. So plenty of opportunity for development to fill in ahead of that boundary in Tornado watch 171. We will likely see a new watch coordinated later this afternoon for our evening hours. The expected development will likely be long lived into the night with the cold front falling in behind the convective assist. So we will stand by with our seat belts fastened tonight, and by this time tomorrow a 1018mb air mass will position itself over MO/AR. Clouds from new storms ahead of the E Pacific cut-off low's approach in the pattern will keep us from heating up much keeping 70s for a couple of days. And more high pressure to come as our NE winds are reinforced early on Friday ahead in conjunction with our next good rain coming. So look for 60s for highs at that time. Lows will be cooler in the 50s, and likely 40s for one day on Sunday morning thanks to that secondary air mass this weekend. The WPC has us Slight Risk for excessive today under the towers and then again Friday for the soaker to kick off the May bucket rainfall entries. Nothing more than Marginal risk wise later this week from the SPC 4-8, but hail could become a threat with the cold core low opening up into a wave, but tracking right over us Friday night. Beyond a beautiful weekend, next week has a third air mass looking good in the 10 day outlook. /24/ && .AVIATION... (18Z TAFS) Issued at 107 PM CDT Tue Apr 28 2026 VFR conditions have mostly returned to the region for the start of the 18Z TAF period, as an extensive cu field has developed beneath AC cigs that continue to spread E. Scattered convection has developed across portions of SW AR/NE LA, and will affect MLU through 20Z. Additional isolated to widely scattered convection may redevelop over portions of extreme NE TX/SW AR this afternoon and may affect TXK/ELD, with additional convection expected to fire by/after 00Z over NE TX/SE OK/SW AR along a weak cold front. This convection should slide SE through much of the region this evening, and could produce locally gusty winds in excess of 35kts, MVFR cigs, and reduced vsbys. Believe that VFR conditions will return for a few hours in wake of the convection, before low MVFR/IFR cigs develop overnight along the weak front. Some vsby reductions in -DZ will be possible along the front as it slowly drifts S across E TX and extreme NW LA. These low cigs will likely persist through the remainder of the TAF period, with additional convection expected to develop along both sides of the front by late morning/midday, and persist through much of the afternoon. Thus, low cigs/reduced vsbys will likely persist through that time. S winds 8-12kts with occasional gusts to 20kts this afternoon will diminish to 5-10kts after 00Z (except higher and gusty in and near the convection). /15/ && .SPOTTER INFORMATION STATEMENT... Issued at 145 PM CDT Tue Apr 28 2026 Spotter activation continues across the Four-State area this afternoon through tonight for the threat of severe thunderstorms. /24/ && .PRELIMINARY POINT TEMPS/POPS... SHV 69 79 61 71 / 80 70 70 40 MLU 69 82 61 74 / 70 80 70 30 DEQ 57 74 54 69 / 60 30 20 20 TXK 64 75 59 70 / 80 50 40 30 ELD 64 76 55 71 / 70 50 50 20 TYR 66 75 62 70 / 80 60 50 50 GGG 67 77 61 70 / 80 70 60 50 LFK 71 84 65 74 / 30 70 70 50 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...None. LA...None. OK...None. TX...None. && DISCUSSION...24 AVIATION...15
Special Weather Statement
National Weather Service Shreveport LA
1242 PM CDT Tue Apr 28 2026
LAZ014-281830-
Ouachita LA-
1242 PM CDT Tue Apr 28 2026
...A STRONG THUNDERSTORM WILL IMPACT OUACHITA PARISH UNTIL 130 PM
CDT...
At 1242 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles southwest of Brownsville-Bawcomville, moving northeast at 40
mph.
HAZARD...Wind gusts up to 40 mph and half inch size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Monroe, Claiborne, West Monroe, Brownsville-Bawcom,
Brownsville-Bawcomville, Swartz, Richwood, Pine Grove, Drew,
Cheniere, Lapine, Millhaven, Luna, Caderville and Mineral Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3246 9241 3268 9196 3266 9194 3267 9192
3266 9191 3265 9191 3265 9192 3263 9192
3261 9193 3258 9192 3255 9192 3254 9191
3252 9190 3249 9193 3245 9194 3242 9197
3230 9231 3232 9231 3234 9234
TIME...MOT...LOC 1742Z 243DEG 33KT 3240 9231
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
50Special Weather Statement
National Weather Service Shreveport LA
1244 PM CDT Tue Apr 28 2026
ARZ073-LAZ005-006-014-281830-
Lincoln LA-Ouachita LA-Union AR-Union LA-
1244 PM CDT Tue Apr 28 2026
...A LINE OF STRONG THUNDERSTORMS WILL IMPACT UNION...NORTHWESTERN
OUACHITA AND EAST CENTRAL LINCOLN PARISHES AND SOUTHEASTERN UNION
COUNTY UNTIL 130 PM CDT...
At 1244 PM CDT, Doppler radar was tracking a line of strong
thunderstorms extending from 6 miles east of Wesson to 10 miles
northwest of Claiborne, or extending from 7 miles northeast of
Junction City to 10 miles northwest of Claiborne, moving northeast at
40 mph.
HAZARD...Wind gusts up to 40 mph and half inch size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
El Dorado, Huttig, Junction City, Farmerville, Sterlington, Strong,
Lapile, Urbana, Lawson, Wesson, Marion, Felsenthal, Downsville,
Oakland, Aurelle, Cecil, Litroe, Hillsboro, New London and
Lockhart.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 3311 9286 3333 9248 3327 9244 3330 9236
3326 9232 3328 9230 3325 9223 3321 9222
3321 9218 3316 9217 3315 9211 3310 9214
3300 9207 3271 9206 3269 9205 3271 9197
3270 9197 3255 9242 3288 9248
TIME...MOT...LOC 1744Z 239DEG 33KT 3311 9267 3294 9238 3262 9233
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
50Preliminary Local Storm Report
National Weather Service Shreveport LA
226 PM CDT Tue Apr 28 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1038 PM Tstm Wnd Dmg 3 S Center Point 33.98N 93.94W
04/25/2026 Howard AR NWS Storm Survey
Multiple trees were down along Yorks Chapel
Road near AR 355. In addition, there were
some chicken houses damaged near Ferguson
Road that a previous LSR covered.
&&
BTPreliminary Local Storm Report
National Weather Service Shreveport LA
228 PM CDT Tue Apr 28 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1111 PM Tstm Wnd Dmg 4 SW Ozan 33.81N 93.78W
04/25/2026 Hempstead AR NWS Storm Survey
There were multiple trees down near South
Fork Lake on the Rick Evans Grandview
Prairie Wildlife Management Area.
&&
BTPreliminary Local Storm Report
National Weather Service Shreveport LA
230 PM CDT Tue Apr 28 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1120 PM Tstm Wnd Dmg 4 W Washington 33.77N 93.76W
04/25/2026 Hempstead AR NWS Storm Survey
There were a number of trees down from
straight line winds along and near County
Road 14 and County Road 306 east of Columbus
AR.
&&
BTPreliminary Local Storm Report
National Weather Service Shreveport LA
629 PM CDT Tue Apr 28 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0606 PM Hail 6 NNW Haworth 33.93N 94.69W
04/28/2026 M2.00 Inch McCurtain OK Trained Spotter
Report of hail a little larger than golf
ball size sent by picture.
&&
BTThe Western Arkansas radar (KSRX), 147 km away, was scanning. The volume nearest the first event began at 23:34 UTC.
4 thunderstorm wind. Local standard time, as filed.
Multiple trees downed across the county, some of which were located along U.S. Highway 371 near Lockesburg and on Elm Drive in Lockesburg.
A large tree branch was snapped and fell onto an outbuilding on Yorks Chapel Road. Downed trees were also reported on nearby Cornbridge Road.
Tree downed across Buck Range Road, blocking all lanes of traffic.
Tree downed on Highway 29 near the town of Blevins.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2026Every state in 2026This day in weather historyWarnings in Arkansas, April 2026
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: 1332364, 1332365, 1332366, 1332367.