Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 101, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 14, 2021, 6:04 AM CDT for Howard County, Little River County, Sevier County, Arkansas. It was in force for 42 min. 1 report 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 14, 2021, 6:04 AM CDT (11:04 UTC)
- Expired
- Apr 14, 2021, 6:46 AM CDT
- In force
- 42 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
The radar
The Western Arkansas radar (KSRX), 127 km from the middle of the area, began a volume at 11:07 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 14, 6:15 AM CDT | HAIL 1 | 1 Sse De Queen, 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, 11.1 hours before the alert went out and 191 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
- 1508 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1286 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted.
187
WUUS54 KSHV 141104
SVRSHV
ARC061-081-133-141200-
/O.NEW.KSHV.SV.W.0101.210414T1104Z-210414T1200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
604 AM CDT Wed Apr 14 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...
Northern Howard County in southwestern Arkansas...
* Until 700 AM CDT.
* At 604 AM CDT, a severe thunderstorm was located near Horatio,
moving northeast at 50 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
De Queen, Dierks, Horatio, Umpire, Lockesburg, Muddy Fork, Lebanon,
Burg, Geneva, Provo and West Otis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3427 9394 3426 9392 3419 9392 3418 9382
3410 9382 3384 9445 3401 9446 3435 9397
3435 9394
TIME...MOT...LOC 1103Z 234DEG 43KT 3399 9438
HAIL...1.25IN
WIND...<50MPH
$$
152 follow-up statements
882
WWUS54 KSHV 141121
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
621 AM CDT Wed Apr 14 2021
ARC081-141129-
/O.CAN.KSHV.SV.W.0101.000000T0000Z-210414T1200Z/
Little River AR-
621 AM CDT Wed Apr 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LITTLE RIVER
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3427 9394 3426 9392 3419 9392 3418 9382
3410 9382 3400 9420 3411 9429 3435 9397
3435 9394
TIME...MOT...LOC 1119Z 235DEG 43KT 3408 9417
$$
ARC061-133-141200-
/O.CON.KSHV.SV.W.0101.000000T0000Z-210414T1200Z/
Sevier AR-Howard AR-
621 AM CDT Wed Apr 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CDT
FOR NORTHEASTERN SEVIER AND NORTHERN HOWARD COUNTIES...
At 619 AM CDT, a severe thunderstorm was located 7 miles north of
Lockesburg, or 9 miles west of Dierks, moving northeast at 50 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated. At 615 AM, Quarter size hail was reported
in De Queen with this storm.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Dierks, Umpire, Muddy Fork, Lebanon, Provo and Burg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3427 9394 3426 9392 3419 9392 3418 9382
3410 9382 3400 9420 3411 9429 3435 9397
3435 9394
TIME...MOT...LOC 1119Z 235DEG 43KT 3408 9417
HAIL...1.00IN
WIND...<50MPH
$$
15074
WWUS54 KSHV 141146
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
646 AM CDT Wed Apr 14 2021
ARC061-133-141156-
/O.CAN.KSHV.SV.W.0101.000000T0000Z-210414T1200Z/
Sevier AR-Howard AR-
646 AM CDT Wed Apr 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SEVIER AND
NORTHERN HOWARD COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3427 9394 3426 9392 3419 9392 3418 9382
3410 9382 3400 9420 3411 9429 3435 9397
3435 9394
TIME...MOT...LOC 1145Z 234DEG 43KT 3427 9385
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 3:32 AM CDT | Special Weather Statement | SHV | Howard | 43 min |
| Apr 14, 4:00 AM CDT | Special Weather Statement | SHV | Nevada | 60 min |
| Apr 14, 5:43 AM CDT | Special Weather Statement | SHV | Little River | 47 min |
| Apr 14, 7:49 AM CDT | Special Weather Statement | SHV | Union | 56 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.