Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 87, NWS Shreveport, LA

April 9, 20215 counties in Arkansas; Bowie County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 9, 2021, 11:18 PM CDT for 5 counties in Arkansas; Bowie County, Texas. It was in force for 42 min. 6 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 9, 2021, 11:18 PM CDT (04:18 UTC)
Expired
Apr 10, 2021, 12:00 AM CDT
In force
42 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.25 in
Wind
70.0 mph

Counties Hempstead County, AR, Howard County, AR, Little River County, AR, Miller County, AR, Sevier County, AR, Bowie County, TX

The radar

The Shreveport radar (KSHV), 141 km from the middle of the area, began a volume at 04:18 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

TimeReportWhereRemark
Apr 9, 11:30 PM CDTTSTM WND DMG6 Ese Foreman, ARWIDESPREAD TREES DOWN ACROSS THE ENTIRE COUNTY.
Apr 9, 11:31 PM CDTTORNADO6 Sw Ashdown, ARA BRIEF EF1 TORNADO CROSSED OVER LITTLE RIVER 21 AND THE INTERSECTION OF LITTLE RIVER 15 AND LITTLE RIVER 713, DOING CONCENTRATED CONVERGENT TREE DAMAGE IN THE MIDST OF MUCH WIDER STRAIGHT LINE WIND DAMAGE THROUGHOUT THE SOUTHERN PORTION OF LITTLE RIVER COUNTY
Apr 10, 12:04 AM CDTFUNNEL CLOUD3 W Hope, ARARKANSAS STATE POLICE REPORT FUNNEL CLOUD JUST WEST OF HOPE CITY LIMITS.
Apr 10, 12:05 AM CDTTSTM WND DMGHope, ARWIDESPREAD TREES REPORTED DOWN ACROSS THE ENTIRE COUNTY.
Apr 10, 12:07 AM CDTHAIL 0.751 Wsw Hope, AR1 SW HOPE.
Apr 10, 12:08 AM CDTHAIL 0.88Hope, AREM REPORTS NICKEL SIZE HAIL AT HOME IN HOPE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 9, 8:44 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 4.3 hours before the alert went out and 139 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 148 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 329 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
148 J/kg
Mixed-layer CIN
-321 J/kg
Mixed-layer LCL
2441 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
329 m²/s²
0-3 km storm-relative helicity
421 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

071 
WUUS54 KSHV 100418
SVRSHV
ARC057-061-081-091-133-TXC037-100500-
/O.NEW.KSHV.SV.W.0087.210410T0418Z-210410T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1118 PM CDT Fri Apr 9 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Little River County in southwestern Arkansas...
  Hempstead County in southwestern Arkansas...
  Northern Miller County in southwestern Arkansas...
  Eastern Sevier County in southwestern Arkansas...
  Howard County in southwestern Arkansas...
  Bowie County in northeastern Texas...

* Until midnight CDT.

* At 1118 PM CDT, severe thunderstorms were located along a line
  extending from near Dierks to 6 miles southeast of Lockesburg to
  near Wilton to near De Kalb to near Us 259 And I 30 Intersection,
  moving east at 55 mph.

  HAZARD...70 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Texarkana, Hope, Wake Village, Ashdown, Nashville, New Boston,
  Mineral Springs, Dierks, Umpire, Nash, Hooks, Redwater, Maud, Red
  Lick, Emmet, Wilton, Blevins, Perrytown, Tollette and Fulton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3433 9393 3419 9392 3418 9382 3401 9382
      3395 9353 3396 9346 3363 9348 3327 9404
      3330 9406 3331 9417 3327 9424 3324 9423
      3324 9424 3328 9466 3331 9473 3339 9475
      3346 9461 3373 9428 3394 9414 3435 9414
TIME...MOT...LOC 0418Z 280DEG 49KT 3417 9409 3393 9407 3372 9420 3346
9454 3333 9478

HAIL...1.25IN
WIND...70MPH
 
$$

13

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 8:33 PM CDTSpecial Weather StatementSHVUnion42 min
Apr 9, 10:48 PM CDTSevere Thunderstorm WarningSHVLittle River, Sevier42 min
Apr 9, 11:24 PM CDTTornado WarningSHVLittle River36 min
Apr 9, 11:40 PM CDTTornado WarningSHVHempstead, Little River, Miller, Nevada50 min
Apr 9, 11:42 PM CDTSevere Thunderstorm WarningSHVMiller63 min
Apr 9, 11:55 PM CDTSevere Thunderstorm WarningSHVColumbia, Hempstead, Lafayette, Miller, Nevada65 min
Apr 10, 12:41 AM CDTSpecial Weather StatementSHVUnion49 min
Apr 9, 7:05 PM CDTSpecial Weather StatementSHVNacogdoches40 min
Apr 9, 7:07 PM CDTSpecial Weather StatementSHVGregg53 min
Apr 9, 7:11 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Rusk27 min
Apr 9, 7:35 PM CDTSpecial Weather StatementSHVShelby40 min
Apr 9, 8:08 PM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, San Augustine42 min
Apr 9, 8:36 PM CDTSpecial Weather StatementSHVPanola, Shelby54 min
Apr 9, 10:02 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Rusk58 min
Apr 9, 10:50 PM CDTSevere Thunderstorm WarningSHVNacogdoches, Rusk, San Augustine, Shelby55 min
Apr 9, 11:12 PM CDTSpecial Weather StatementSHVCamp, Cass, Franklin, Morris, Titus48 min
Apr 9, 11:47 PM CDTSevere Thunderstorm WarningSHVCamp, Franklin, Gregg, Smith, Upshur, Wood43 min
Apr 10, 1:05 AM CDTSpecial Weather StatementSHVHarrison40 min
Apr 10, 1:28 AM CDTSpecial Weather StatementSHVCherokee47 min
Apr 10, 1:54 AM CDTSpecial Weather StatementSHVNacogdoches51 min
Apr 10, 1:55 AM CDTSpecial Weather StatementSHVShelby50 min
Apr 10, 2:07 AM CDTSpecial Weather StatementSHVAngelina38 min
Apr 10, 2:38 AM CDTSpecial Weather StatementSHVSan Augustine52 min
Apr 10, 2:50 AM CDTSpecial Weather StatementSHVSan Augustine40 min
Apr 10, 3:04 AM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, Sabine, San Augustine56 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Texas, 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.