Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 58, NWS Jackson, MS

May 18, 2021Jasper County, Smith County, Mississippi

NWS Jackson, MS issued this tornado warning at May 18, 2021, 3:31 PM CDT for Jasper County, Smith County, Mississippi. It was in force for 47 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: May 18, 2021, 3:31 PM CDT (20:31 UTC)
Expired: May 18, 2021, 4:18 PM CDT
In force: 47 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Jasper County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 67 km from the middle of the area, began a volume at 20:33 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 77 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: 163 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

435 
WFUS54 KJAN 182031
TORJAN
MSC061-129-182130-
/O.NEW.KJAN.TO.W.0058.210518T2031Z-210518T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
331 PM CDT Tue May 18 2021

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northwestern Jasper County in east central Mississippi...
  Northeastern Smith County in central Mississippi...

* Until 430 PM CDT.
    
* At 331 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Turnerville, or 9 miles north of Stringer, moving
  northwest at 20 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...
  Bay Springs around 335 PM CDT.
  Pineville around 410 PM CDT.
  Burns around 425 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Montrose and Louin.

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 3195 8923 3213 8959 3222 8943 3222 8929
      3203 8911
TIME...MOT...LOC 2031Z 138DEG 19KT 3200 8923 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

4 follow-up statements

347 
WWUS54 KJAN 182042
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
342 PM CDT Tue May 18 2021

MSC061-129-182130-
/O.CON.KJAN.TO.W.0058.000000T0000Z-210518T2130Z/
Jasper MS-Smith MS-
342 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN JASPER AND NORTHEASTERN SMITH COUNTIES...
    
At 342 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Turnerville, or 15 miles north of Stringer, moving
north at 20 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 tornadic thunderstorm will remain over mainly rural areas of
northwestern Jasper and northeastern Smith Counties, including the
following locations... Montrose and Louin.

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 3201 8928 3222 8943 3222 8929 3206 8914
TIME...MOT...LOC 2042Z 161DEG 18KT 3208 8919 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

680 
WWUS54 KJAN 182052
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
352 PM CDT Tue May 18 2021

MSC129-182101-
/O.CAN.KJAN.TO.W.0058.000000T0000Z-210518T2130Z/
Smith MS-
352 PM CDT Tue May 18 2021

...THE TORNADO WARNING FOR NORTHEASTERN SMITH COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning will remain 
east of Smith County. Therefore, the warning has been cancelled.

LAT...LON 3209 8923 3222 8932 3222 8929 3209 8917
TIME...MOT...LOC 2051Z 138DEG 19KT 3212 8923 

$$

MSC061-182130-
/O.CON.KJAN.TO.W.0058.000000T0000Z-210518T2130Z/
Jasper MS-
352 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN JASPER COUNTY...
    
At 351 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Turnerville, or 14 miles south of Newton, moving
northwest at 20 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.

Locations impacted include...
Montrose.

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 3209 8923 3222 8932 3222 8929 3209 8917
TIME...MOT...LOC 2051Z 138DEG 19KT 3212 8923 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

140 
WWUS54 KJAN 182107
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
407 PM CDT Tue May 18 2021

MSC061-182130-
/O.CON.KJAN.TO.W.0058.000000T0000Z-210518T2130Z/
Jasper MS-
407 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN JASPER COUNTY...
    
At 407 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Roberts, or 11 miles southwest of Newton, moving
northwest at 15 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 tornadic thunderstorm will remain over mainly rural areas of
northwestern Jasper County.

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 3222 8932 3222 8929 3216 8923 3216 8928
TIME...MOT...LOC 2107Z 154DEG 14KT 3217 8924 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

568 
WWUS54 KJAN 182118
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
418 PM CDT Tue May 18 2021

MSC061-182127-
/O.CAN.KJAN.TO.W.0058.000000T0000Z-210518T2130Z/
Jasper MS-
418 PM CDT Tue May 18 2021

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3222 8932 3222 8929 3216 8923 3216 8928
TIME...MOT...LOC 2117Z 138DEG 19KT 3221 8929 

$$

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 2:17 PM CDT	Special Weather Statement	JAN	Clarke	28 min
May 18, 3:10 PM CDT	Tornado Warning	JAN	Jefferson Davis, Lawrence, Simpson	38 min
May 18, 3:51 PM CDT	Tornado Warning	JAN	Jasper, Newton, Scott	34 min
May 18, 3:57 PM CDT	Tornado Warning	JAN	Rankin, Simpson	36 min

Nearby

Tornado Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.