Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 31, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 27, 2021, 5:34 PM CDT for Hempstead County, Nevada County, Arkansas. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2021, 5:34 PM CDT (22:34 UTC)
- Expired
- Mar 27, 2021, 6:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hempstead County, AR, Nevada County, AR
The radar
The Little Rock radar (KLZK), 152 km from the middle of the area, began a volume at 22:36 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 27, 3:25 PM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.6 hours before the alert went out and 161 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
- 951 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.6
The text
As transmitted.
343
WUUS54 KSHV 272234
SVRSHV
ARC057-099-272300-
/O.NEW.KSHV.SV.W.0031.210327T2234Z-210327T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
534 PM CDT Sat Mar 27 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Northeastern Hempstead County in southwestern Arkansas...
Northwestern Nevada County in southwestern Arkansas...
* Until 600 PM CDT.
* At 534 PM CDT, a severe thunderstorm was located near Blevins, or
10 miles north of Hope, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Blevins, Washington, McCaskill and Oakhaven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3396 9344 3395 9342 3396 9338 3393 9334
3392 9334 3371 9356 3376 9372 3396 9361
3395 9355 3395 9350 3396 9347
TIME...MOT...LOC 2233Z 214DEG 36KT 3383 9359
HAIL...1.00IN
WIND...60MPH
$$
151 follow-up statement
226
WWUS54 KSHV 272248
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
548 PM CDT Sat Mar 27 2021
ARC057-099-272300-
/O.CON.KSHV.SV.W.0031.000000T0000Z-210327T2300Z/
Hempstead AR-Nevada AR-
548 PM CDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN HEMPSTEAD AND NORTHWESTERN NEVADA COUNTIES...
At 547 PM CDT, a severe thunderstorm was located over Blevins, or 12
miles northwest of Prescott, moving northeast at 30 mph. Another
severe thunderstorm was indicated near Oakhaven, also moving
northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Blevins, Washington, McCaskill and Oakhaven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3396 9344 3395 9342 3396 9338 3393 9334
3392 9334 3371 9356 3376 9372 3396 9361
3395 9355 3395 9350 3396 9347
TIME...MOT...LOC 2247Z 204DEG 25KT 3388 9359
HAIL...1.00IN
WIND...60MPH
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 4:04 PM CDT | Special Weather Statement | SHV | Columbia | 41 min |
| Mar 27, 5:05 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Howard, Little River, Sevier | 40 min |
| Mar 27, 5:59 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.