Alert archive / Mississippi / Tornado Warnings in 2020

Tornado Warning 28, NWS Mobile, AL

April 19, 2020Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Apr 19, 2020, 8:22 PM CDT for Greene County, Mississippi. It was in force for 53 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: Apr 19, 2020, 8:22 PM CDT (01:22 UTC)
Expired: Apr 19, 2020, 9:15 PM CDT
In force: 53 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Greene County, MS

The radar

The Mobile radar (KMOB), 82 km from the middle of the area, began a volume at 01:22 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 19, 8:38 PM CDT	TSTM WND DMG	1 Nnw Bothwell, MS	MORE REPORTS OF TREES DOWN ACROSS MS 63 SOUTH OF HIGHWAY 42.
Apr 19, 8:38 PM CDT	TSTM WND DMG	Avera, MS	TREES AND POWERLINES DOWN ON MS 63.

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
Apr 19, 3:56 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.4 hours before the alert went out and 153 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: 2097 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 9.5

Open this sounding in Storm Lab

The text

As transmitted.

450 
WFUS54 KMOB 200122
TORMOB
MSC041-200215-
/O.NEW.KMOB.TO.W.0028.200420T0122Z-200420T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
822 PM CDT Sun Apr 19 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Greene County in southeastern Mississippi...

* Until 915 PM CDT.
    
* At 822 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near New Augusta, or 8 miles southwest of Richton,
  moving east at 50 mph.

  HAZARD...Tornado and quarter 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 tornadic thunderstorm will remain over mainly rural areas of
  Greene 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.

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

&&

LAT...LON 3142 8884 3143 8845 3116 8844 3114 8884
TIME...MOT...LOC 0122Z 258DEG 43KT 3125 8901 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

2 follow-up statements

235 
WWUS54 KMOB 200136
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
836 PM CDT Sun Apr 19 2020

MSC041-200215-
/O.CON.KMOB.TO.W.0028.000000T0000Z-200420T0215Z/
Greene MS-
836 PM CDT Sun Apr 19 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR GREENE
COUNTY...
    
At 835 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Richton, moving east at 50 mph.

HAZARD...Tornado and quarter 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.

Locations impacted include...
Leakesville.

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!

&&

LAT...LON 3142 8884 3143 8845 3116 8844 3114 8884
TIME...MOT...LOC 0135Z 258DEG 43KT 3128 8882 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

247 
WWUS54 KMOB 200207
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
907 PM CDT Sun Apr 19 2020

MSC041-200215-
/O.EXP.KMOB.TO.W.0028.000000T0000Z-200420T0215Z/
Greene MS-
907 PM CDT Sun Apr 19 2020

...THE TORNADO WARNING FOR GREENE COUNTY WILL EXPIRE AT 915 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Mississippi.

Remember, a Severe Thunderstorm Warning still remains in effect for
Greene county until 1000 PM CDT.

LAT...LON 3142 8884 3143 8845 3116 8844 3114 8884
TIME...MOT...LOC 0205Z 258DEG 43KT 3135 8843 

$$

JLH

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 7:58 PM CDT	Severe Thunderstorm Warning	MOB	Perry	47 min
Apr 19, 8:05 PM CDT	Tornado Warning	MOB	Perry	37 min
Apr 19, 8:10 PM CDT	Flash Flood Warning	MOB	Greene, Perry, Wayne	3 hr
Apr 19, 8:45 PM CDT	Severe Thunderstorm Warning	MOB	Perry	30 min
Apr 19, 9:03 PM CDT	Severe Thunderstorm Warning	MOB	Greene	36 min
Apr 19, 10:38 PM CDT	Severe Thunderstorm Warning	MOB	George	52 min

Nearby

Tornado Warnings in Mississippi, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.