Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 56, NWS Jackson, MS

May 9, 2021Ashley County, Arkansas; Morehouse Parish, Louisiana

NWS Jackson, MS issued this tornado warning at May 9, 2021, 7:51 PM CDT for Ashley County, Arkansas; Morehouse Parish, Louisiana. It was in force for 39 min. 2 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: May 9, 2021, 7:51 PM CDT (00:51 UTC)
Expired: May 9, 2021, 8:30 PM CDT
In force: 39 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Ashley County, AR, Morehouse Parish, LA

The radar

The Shreveport radar (KSHV), 194 km from the middle of the area, began a volume at 00:51 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
May 9, 8:15 PM CDT	TSTM WND DMG	9 Se Crossett, AR	TREE SPLIT ALONG HWY 425 BETWEEN CROSSETT AND THE STATE LINE.
May 9, 8:19 PM CDT	TSTM WND DMG	5 Nne Beekman, LA	TREE DOWN ON HWY 425 JUST SOUTH OF THE STATE LINE.

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.

Issued	Product	Office	Lasted
May 9, 1:14 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.9 hours before the alert went out and 185 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: 1784 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 975 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.5

Open this sounding in Storm Lab

The text

As transmitted.

459 
WFUS54 KJAN 100051
TORJAN
ARC003-LAC067-100145-
/O.NEW.KJAN.TO.W.0056.210510T0051Z-210510T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
751 PM CDT Sun May 9 2021

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Ashley County in southeastern Arkansas...
  North central Morehouse Parish in northeastern Louisiana...

* Until 845 PM CDT.
    
* At 751 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Crossett, moving southeast at 25 mph.

  HAZARD...Tornado.

  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...
  Berlin around 815 PM CDT.

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 3306 9206 3318 9197 3303 9162 3289 9173
TIME...MOT...LOC 0051Z 300DEG 22KT 3309 9196 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TW

2 follow-up statements

905 
WWUS54 KJAN 100102
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
802 PM CDT Sun May 9 2021

ARC003-LAC067-100145-
/O.CON.KJAN.TO.W.0056.000000T0000Z-210510T0145Z/
Ashley AR-Morehouse LA-
802 PM CDT Sun May 9 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTH
CENTRAL ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS AND NORTH CENTRAL
MOREHOUSE PARISHES...
    
At 802 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Crossett, moving southeast at 25 mph.

HAZARD...Tornado.

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...
  Berlin around 820 PM CDT.

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 3302 9199 3315 9189 3303 9162 3289 9173
TIME...MOT...LOC 0102Z 298DEG 21KT 3308 9191 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

TW

388 
WWUS54 KJAN 100130
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
830 PM CDT Sun May 9 2021

ARC003-LAC067-100140-
/O.CAN.KJAN.TO.W.0056.000000T0000Z-210510T0145Z/
Ashley AR-Morehouse LA-
830 PM CDT Sun May 9 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL ASHLEY COUNTY IN
SOUTHEASTERN ARKANSAS AND NORTH CENTRAL MOREHOUSE PARISHES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
southeastern Arkansas...and northeastern Louisiana.

LAT...LON 3302 9199 3315 9189 3303 9162 3289 9173
TIME...MOT...LOC 0126Z 300DEG 22KT 3299 9173 

$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:15 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	75 min
May 9, 7:04 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland	41 min
May 9, 8:30 PM CDT	Special Weather Statement	JAN	Morehouse	45 min
May 9, 8:48 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	29 min
May 9, 9:06 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll	39 min
May 9, 9:08 PM CDT	Severe Thunderstorm Warning	JAN	West Carroll	37 min
May 9, 9:45 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll	60 min

Nearby

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