Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 23, NWS Shreveport, LA

April 9, 20214 counties in Arkansas

NWS Shreveport, LA issued this tornado warning at Apr 9, 2021, 11:40 PM CDT for 4 counties in Arkansas. It was in force for 50 min. 5 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, 11:40 PM CDT (04:40 UTC)
Expired
Apr 10, 2021, 12:30 AM CDT
In force
50 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Hempstead County, AR, Little River County, AR, Miller County, AR, Nevada County, AR

The radar

The Shreveport radar (KSHV), 148 km from the middle of the area, began a volume at 04:40 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 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.
Apr 10, 12:15 AM CDTTSTM WND DMGBodcaw, ARWIDESPREAD TREES REPORTED DOWN ACROSS THE ENTIRE COUNTY.

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, 4.7 hours before the alert went out and 143 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°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.

601 
WFUS54 KSHV 100440
TORSHV
ARC057-081-091-099-100530-
/O.NEW.KSHV.TO.W.0023.210410T0440Z-210410T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
1140 PM CDT Fri Apr 9 2021

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Southeastern Little River County in southwestern Arkansas...
  Southern Hempstead County in southwestern Arkansas...
  Northwestern Miller County in southwestern Arkansas...
  Nevada County in southwestern Arkansas...

* Until 1230 AM CDT.
    
* At 1140 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Ogden, or 8 miles east of Ashdown, moving
  east at 85 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Fulton around 1145 PM CDT.
  Washington around 1150 PM CDT.
  Hope around 1155 PM CDT.
  Emmet and Perrytown around 1200 AM CDT.
  Bluff City and White Oak Lake State Park around 1215 AM CDT.

Other locations impacted by this tornadic thunderstorm include Bright
Star, Young, Sutton, Cale, Waterloo, Mount Moriah, McNab, Millwood,
Morris and Oakhaven.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3356 9402 3374 9399
      3375 9390 3375 9383 3376 9383 3383 9322
TIME...MOT...LOC 0440Z 266DEG 75KT 3366 9398 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

13
3 follow-up statements
080 
WWUS54 KSHV 100450
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1150 PM CDT Fri Apr 9 2021

ARC057-081-091-099-100530-
/O.CON.KSHV.TO.W.0023.000000T0000Z-210410T0530Z/
Little River AR-Hempstead AR-Miller AR-Nevada AR-
1150 PM CDT Fri Apr 9 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
SOUTHEASTERN LITTLE RIVER...SOUTHERN HEMPSTEAD...NORTH CENTRAL MILLER
AND NEVADA COUNTIES...
    
At 1150 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Fulton, or 14 miles west of Hope, moving east at 60
mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Hope and Perrytown around 1205 AM CDT.
  Emmet around 1210 AM CDT.
  Bodcaw around 1215 AM CDT.
  Rosston around 1220 AM CDT.
  Willisville around 1225 AM CDT.
  White Oak Lake State Park around 1235 AM CDT.

Other locations impacted by this tornadic thunderstorm include Mount
Moriah, Young, McNab, Sutton, Cale, Morris, Oakhaven, Waterloo,
Laneburg and Reader.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3355 9392 3372 9390
      3374 9381 3383 9322
TIME...MOT...LOC 0450Z 273DEG 51KT 3364 9384 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

13
833 
WWUS54 KSHV 100500
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1200 AM CDT Sat Apr 10 2021

ARC081-091-100509-
/O.CAN.KSHV.TO.W.0023.000000T0000Z-210410T0530Z/
Little River AR-Miller AR-
1200 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN LITTLE RIVER AND NORTH
CENTRAL MILLER COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
southwestern Arkansas.

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3353 9371 3364 9370
      3376 9368 3383 9322
TIME...MOT...LOC 0459Z 271DEG 68KT 3362 9362 

$$

ARC057-099-100530-
/O.CON.KSHV.TO.W.0023.000000T0000Z-210410T0530Z/
Hempstead AR-Nevada AR-
1200 AM CDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
SOUTHEASTERN HEMPSTEAD AND NEVADA COUNTIES...
    
At 1159 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hope, moving east at 80 mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Emmet around 1205 AM CDT.
  Bodcaw around 1210 AM CDT.
  Rosston and Willisville around 1215 AM CDT.
  White Oak Lake State Park around 1225 AM CDT.

Other locations impacted by this tornadic thunderstorm include Mount
Moriah, Young, Sutton, Cale, Morris, Oakhaven, Waterloo, Laneburg and
Reader.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3353 9371 3364 9370
      3376 9368 3383 9322
TIME...MOT...LOC 0459Z 271DEG 68KT 3362 9362 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

13
533 
WWUS54 KSHV 100511
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1211 AM CDT Sat Apr 10 2021

ARC057-100520-
/O.CAN.KSHV.TO.W.0023.000000T0000Z-210410T0530Z/
Hempstead AR-
1211 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN HEMPSTEAD COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
southwestern Arkansas.

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3351 9347 3374 9346
      3383 9322
TIME...MOT...LOC 0510Z 268DEG 66KT 3360 9343 

$$

ARC099-100530-
/O.CON.KSHV.TO.W.0023.000000T0000Z-210410T0530Z/
Nevada AR-
1211 AM CDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NEVADA
COUNTY...
    
At 1210 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Bodcaw, or 10 miles southeast of Hope, moving east
at 75 mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Rosston and Willisville around 1215 AM CDT.
  White Oak Lake State Park around 1225 AM CDT.

Other locations impacted by this tornadic thunderstorm include Mount
Moriah, Young, Sutton, Cale, Morris, Waterloo, Laneburg and Reader.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3382 9320 3380 9318 3382 9314 3379 9313
      3378 9310 3347 9312 3351 9347 3374 9346
      3383 9322
TIME...MOT...LOC 0510Z 268DEG 66KT 3360 9343 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

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, 11:18 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Little River, Miller, Sevier42 min
Apr 9, 11:24 PM CDTTornado WarningSHVLittle River36 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

Nearby

Tornado Warnings in Arkansas, 2021Every tornado warning in 2021Tornadoes 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.