Alert archive / Mississippi / Tornado Warnings in 2020

Tornado Warning 21, NWS New Orleans, LA

June 7, 2020Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jun 7, 2020, 9:22 AM CDT for Harrison County, Jackson County, Mississippi. It was in force for 9 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: Jun 7, 2020, 9:22 AM CDT (14:22 UTC)
Expired: Jun 7, 2020, 9:31 AM CDT
In force: 9 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Harrison County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 57 km from the middle of the area, began a volume at 14:22 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 7, 9:03 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.4 hours before the alert went out and 92 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 479 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

709 
WFUS54 KLIX 071422
TORLIX
MSC047-059-071445-
/O.NEW.KLIX.TO.W.0021.200607T1422Z-200607T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
922 AM CDT Sun Jun 7 2020

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  East central Harrison County in southeastern Mississippi...
  Southwestern Jackson County in southern Mississippi...

* Until 945 AM CDT.
    
* At 922 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Ocean Springs, moving northwest at 30 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...
  St. Martin and Gulf Hills around 935 AM CDT.
  D'iberville and Latimer around 940 AM CDT.
  Biloxi around 945 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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 3045 8867 3041 8874 3047 8897 3059 8886
TIME...MOT...LOC 1422Z 115DEG 27KT 3044 8874 

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

$$

MEFFER

1 follow-up statement

343 
WWUS54 KLIX 071431
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
931 AM CDT Sun Jun 7 2020

MSC047-059-071440-
/O.CAN.KLIX.TO.W.0021.000000T0000Z-200607T1445Z/
Harrison MS-Jackson MS-
931 AM CDT Sun Jun 7 2020

...THE TORNADO WARNING FOR EAST CENTRAL HARRISON AND SOUTHWESTERN
JACKSON COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 500 PM CDT for southern and
southeastern Mississippi.

LAT...LON 3045 8867 3041 8874 3047 8897 3059 8886
TIME...MOT...LOC 1429Z 115DEG 27KT 3047 8881 

$$

MEFFER

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 10:09 PM CDT	River Flood Warning	LIX	Pike	69 hr
Jun 7, 8:23 AM CDT	Tornado Warning	LIX	Harrison	22 min
Jun 7, 9:15 AM CDT	Tornado Warning	LIX	Jackson	15 min
Jun 7, 4:27 PM CDT	Flash Flood Warning	LIX	Hancock, Harrison, Jackson	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.