Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 69, NWS Jackson, MS

April 7, 2021Ashley County, Arkansas; Morehouse Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 7, 2021, 7:09 PM CDT for Ashley County, Arkansas; Morehouse Parish, Louisiana. It was in force for 66 min. 4 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 7, 2021, 7:09 PM CDT (00:09 UTC)
Expired: Apr 7, 2021, 8:15 PM CDT
In force: 66 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashley County, AR, Morehouse Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 184 km from the middle of the area, began a volume at 00:12 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 7, 7:30 PM CDT	TORNADO	3 N Bastrop, LA	HOMES DAMAGED, AT LEAST 1 HEAVILY DAMAGED. RESULTED IN ENTRAPMENT.
Apr 7, 7:30 PM CDT	TORNADO	3 Nw Bastrop, LA	* 1 INJ * AN EF1 TORNADO DEVELOPED ON THE EVENING OF APRIL 7, NEAR NEWMAN RD NEAR BAYOU BARTHOLOMEW IN MOREHOUSE PARISH, LA. THE TORNADO BEGAN AT EF-0 INTENSITY WHERE IT DAMAGED A LARGE BARN. SHEET METAL WAS PEELED OFF AND THROWN TOWARD THE NORTH. THE TORN
Apr 7, 7:38 PM CDT	TORNADO	4 Nne Bastrop, LA	TREES WERE BLOWN DOWN, AND A HOME WAS DAMAGE WITH RESIDENTS TRAPPED INSIDE AND POSSIBLY INJURED. EXACT TIME AND LOCATION UNCERTAIN BUT WILL UPDATE WITH LATER DETAILS. TDS EVIDENT ON KULM RADAR.
Apr 7, 8:06 PM CDT	TORNADO	5 Wnw Fiske Union, LA	AN EF-1 TORNADO DEVELOPED ON THE EVENING OF APRIL 7TH NEAR HOLLY RIDGE RD IN NORTHEAST MOREHOUSE PARISH. THE TORNADO DAMAGED A TIN AWNING, REMOVING SEVERAL SHEETS AND TOSSING THEM INTO A FIELD NEARBY. THE TORNADO CONTINUED NORTHEAST WHERE IT STRENGTHENED TO IT

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

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.2 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 652 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1178 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

875 
WUUS54 KJAN 080009
SVRJAN
ARC003-LAC067-080115-
/O.NEW.KJAN.SV.W.0069.210408T0009Z-210408T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
709 PM CDT Wed Apr 7 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southeastern Ashley County in southeastern Arkansas...
  Morehouse Parish in northeastern Louisiana...

* Until 815 PM CDT.

* At 709 PM CDT, a severe thunderstorm was located 9 miles east of
  Farmerville, or 16 miles north of Claiborne, moving east at 65 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Beekman around 730 PM CDT.
  Galion around 735 PM CDT.
  Jones around 745 PM CDT.
  Wilmot around 750 PM CDT.
  Parkdale around 755 PM CDT.

Other locations impacted by this severe thunderstorm include Mer
Rouge and Bonita.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3297 9208 3300 9207 3303 9208 3323 9146
      3301 9146 3301 9144 3298 9144 3294 9148
      3289 9150 3288 9155 3281 9159 3267 9195
      3271 9197 3270 9202 3271 9204 3270 9205
      3284 9206 3287 9208
TIME...MOT...LOC 0009Z 247DEG 54KT 3278 9223 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

TW

3 follow-up statements

967 
WWUS54 KJAN 080039
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
739 PM CDT Wed Apr 7 2021

ARC003-LAC067-080115-
/O.CON.KJAN.SV.W.0069.000000T0000Z-210408T0115Z/
Ashley AR-Morehouse LA-
739 PM CDT Wed Apr 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS AND NORTHERN
MOREHOUSE PARISHES...

At 739 PM CDT, a severe thunderstorm was located near Galion, or 13
miles northeast of Bastrop, moving northeast at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe storm will be near...
  Jones around 745 PM CDT.
  Wilmot and Parkdale around 755 PM CDT.

Other locations impacted by this severe thunderstorm include Mer
Rouge and Bonita.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3295 9197 3306 9199 3323 9146 3301 9146
      3301 9144 3298 9144 3294 9148 3289 9150
      3288 9155 3281 9159 3272 9182
TIME...MOT...LOC 0039Z 244DEG 53KT 3293 9177 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

TW

157 
WWUS54 KJAN 080054 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
754 PM CDT Wed Apr 7 2021

ARC003-LAC067-080115-
/O.CON.KJAN.SV.W.0069.000000T0000Z-210408T0115Z/
Ashley AR-Morehouse LA-
754 PM CDT Wed Apr 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS AND
NORTHEASTERN MOREHOUSE PARISHES...

At 754 PM CDT, a severe thunderstorm was located over Jones, or 7
miles southwest of Wilmot, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe storm will be near...
  Wilmot around 800 PM CDT.
  Parkdale around 805 PM CDT.

Other locations impacted by this severe thunderstorm include Bonita.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 9181 3311 9183 3323 9146 3301 9146
      3301 9144 3298 9144 3294 9148 3289 9150
      3288 9155 3281 9159 3277 9169
TIME...MOT...LOC 0054Z 246DEG 41KT 3297 9163 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

TW

751 
WWUS54 KJAN 080107
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
807 PM CDT Wed Apr 7 2021

ARC003-LAC067-080115-
/O.CON.KJAN.SV.W.0069.000000T0000Z-210408T0115Z/
Ashley AR-Morehouse LA-
807 PM CDT Wed Apr 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS AND
NORTHEASTERN MOREHOUSE PARISHES...

At 806 PM CDT, a severe thunderstorm was located 9 miles southeast of
Parkdale, or 9 miles east of Wilmot, moving northeast at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
southeastern Ashley County in southeastern Arkansas and northeastern
Morehouse Parishes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3323 9146 3301 9146 3301 9144 3298 9144
      3294 9148 3289 9150 3288 9155 3283 9158
      3315 9171
TIME...MOT...LOC 0106Z 247DEG 54KT 3305 9142 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

TW

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 7:28 PM CDT	Tornado Warning	JAN	Ashley	47 min
Apr 7, 8:05 PM CDT	Tornado Warning	JAN	Chicot	55 min
Apr 8, 10:54 AM CDT	River Flood Warning	JAN	Chicot, Desha	50 hr
Apr 8, 10:57 AM CDT	River Flood Warning	JAN	Chicot	5 days
Apr 7, 9:43 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	47 min
Apr 7, 10:18 PM CDT	Tornado Warning	JAN	Concordia	31 min
Apr 8, 6:11 AM CDT	Dense Fog Advisory	JAN	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	3 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2021 Severe Thunderstorm Warnings in Louisiana, 2021 Every 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.