Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 104, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 24, 2021, 1:06 AM CDT for Bowie County, Red River County, Texas; Howard County, Little River County, Sevier County, Arkansas; McCurtain County, Oklahoma. It was in force for 39 min. 2 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
- Apr 24, 2021, 1:06 AM CDT (06:06 UTC)
- Expired
- Apr 24, 2021, 1:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Howard County, AR, Little River County, AR, Sevier County, AR, McCurtain County, OK, Bowie County, TX, Red River County, TX
The radar
The Western Arkansas radar (KSRX), 124 km from the middle of the area, began a volume at 06:09 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 |
|---|---|---|---|
| Apr 24, 1:06 AM CDT | TSTM WND DMG | 1 Ssw Idabel, OK | TREES DOWN COUNTY WIDE. FOUR DIFFERENT INSTANCES OF TREES ON HOUSES NEAR BROKEN BOW, SOUTH OF IDABEL, AND NEAR WRIGHT CITY. |
| Apr 24, 1:36 AM CDT | TSTM WND DMG | 4 Wsw Horatio, AR | TREE DOWN AT BILLINGSLY CORNER NEAR CERROGORDO ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.1 hours before the alert went out and 295 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
- 486 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 504 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 345 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.8
The text
As transmitted.
239
WUUS54 KSHV 240606
SVRSHV
ARC061-081-133-OKC089-TXC037-387-240645-
/O.NEW.KSHV.SV.W.0104.210424T0606Z-210424T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
106 AM CDT Sat Apr 24 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Little River County in southwestern Arkansas...
Sevier County in southwestern Arkansas...
Northwestern Howard County in southwestern Arkansas...
McCurtain County in southeastern Oklahoma...
Northern Bowie County in northeastern Texas...
Eastern Red River County in northeastern Texas...
* Until 145 AM CDT.
* At 106 AM CDT, severe thunderstorms were located along a line
extending from 13 miles southwest of Octavia to near Boxelder,
moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
De Queen, Ashdown, Horatio, Foreman, Boxelder, Idabel, Broken Bow,
De Kalb, Lockesburg, Wilton, Winthrop, Gillham, Ben Lomond,
Arkinda, Athens, Richmond, Avery, Oak Grove, Annona and Haworth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3451 9446 3419 9447 3419 9424 3435 9425
3435 9407 3351 9405 3345 9499 3451 9497
TIME...MOT...LOC 0606Z 268DEG 48KT 3444 9491 3353 9489
HAIL...<.75IN
WIND...60MPH
$$
05The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 10:18 PM CDT | Special Weather Statement | SHV | Red River | 42 min |
| Apr 23, 10:22 PM CDT | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 57 hr |
| Apr 23, 10:26 PM CDT | River Flood Warning | SHV | Franklin, Morris, Titus | 5 days |
| Apr 24, 12:31 AM CDT | Special Weather Statement | SHV | Red River | 59 min |
| Apr 24, 1:43 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 62 min |
| Apr 24, 1:46 AM CDT | Special Weather Statement | SHV | Cass, Gregg, Harrison, Marion, Upshur | 44 min |
| Apr 24, 2:52 AM CDT | Special Weather Statement | SHV | Panola | 38 min |
| Apr 24, 9:40 AM CDT | River Flood Warning | SHV | Angelina, Cherokee, Nacogdoches | 58 days |
| Apr 24, 2:36 AM CDT | Special Weather Statement | SHV | Nevada | 39 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Texas, 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.