Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 28, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 24, 2021, 9:37 PM CDT for Howard County, Little River County, Sevier County, Arkansas; McCurtain County, Oklahoma. It was in force for 38 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 24, 2021, 9:37 PM CDT (02:37 UTC)
- Expired
- Mar 24, 2021, 10:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Howard County, AR, Little River County, AR, Sevier County, AR, McCurtain County, OK
The radar
The Western Arkansas radar (KSRX), 155 km from the middle of the area, began a volume at 02:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 24, 9:42 PM CDT | HAIL 1.25 | Foreman, AR | A PICTURE WAS POSTED TO SOCIAL MEDIA OF QUARTER OF HALF DOLLAR SIZE HAIL THAT FELL IN FOREMAN. |
| Mar 24, 9:59 PM CDT | HAIL 1.75 | 3 Sw Winthrop, AR | |
| Mar 24, 10:00 PM CDT | HAIL 1.75 | 1 Ene Winthrop, AR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 2.6 hours before the alert went out and 163 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 281 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.9
The text
As transmitted.
651 WUUS54 KSHV 250237 SVRSHV ARC061-081-133-OKC089-250315- /O.NEW.KSHV.SV.W.0028.210325T0237Z-210325T0315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Shreveport LA 937 PM CDT Wed Mar 24 2021 The National Weather Service in Shreveport has issued a * Severe Thunderstorm Warning for... Northwestern Little River County in southwestern Arkansas... Central Sevier County in southwestern Arkansas... Southeastern Howard County in southwestern Arkansas... Eastern McCurtain County in southeastern Oklahoma... * Until 1015 PM CDT. * At 936 PM CDT, a severe thunderstorm was located near Arkinda, or 4 miles north of Foreman, moving northeast at 40 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Nashville, Horatio, Foreman, Lockesburg, Winthrop, Ben Lomond, Arkinda, Oak Grove, Silver Ridge, Geneva, Central, America, Provo and Bellview. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3397 9382 3368 9445 3383 9457 3410 9412 TIME...MOT...LOC 0236Z 237DEG 35KT 3379 9441 HAIL...1.25IN WIND...<50MPH $$ 15
1 follow-up statement
161
WWUS54 KSHV 250251
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
951 PM CDT Wed Mar 24 2021
OKC089-250300-
/O.CAN.KSHV.SV.W.0028.000000T0000Z-210325T0315Z/
McCurtain OK-
951 PM CDT Wed Mar 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MCCURTAIN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3397 9382 3372 9438 3390 9442 3410 9412
TIME...MOT...LOC 0250Z 211DEG 33KT 3389 9433
$$
ARC061-081-133-250315-
/O.CON.KSHV.SV.W.0028.000000T0000Z-210325T0315Z/
Little River AR-Sevier AR-Howard AR-
951 PM CDT Wed Mar 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHWESTERN LITTLE RIVER...CENTRAL SEVIER AND SOUTHEASTERN
HOWARD COUNTIES...
At 951 PM CDT, a severe thunderstorm was located near Horatio,
moving northeast at 40 mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Nashville, Horatio, Lockesburg, Winthrop, Ben Lomond, Oak Grove,
Silver Ridge, Geneva, Central, Provo and Bellview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3397 9382 3372 9438 3390 9442 3410 9412
TIME...MOT...LOC 0250Z 211DEG 33KT 3389 9433
HAIL...1.50IN
WIND...<50MPH
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 9:16 PM CDT | Special Weather Statement | SHV | Little River | 44 min |
| Mar 24, 10:15 PM CDT | Special Weather Statement | SHV | Howard | 45 min |
| Mar 24, 10:26 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Sevier | 34 min |
| Mar 24, 10:45 PM CDT | Special Weather Statement | SHV | Sevier | 45 min |
| Mar 25, 2:41 AM CDT | Lake Wind Advisory | SHV | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 15 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.