Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 146, NWS Memphis, TN

May 9, 2021Tishomingo County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 9, 2021, 7:44 PM CDT for Tishomingo County, Mississippi. It was in force for 16 min. 1 report 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, 7:44 PM CDT (00:44 UTC)
Expired: May 9, 2021, 8:00 PM CDT
In force: 16 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Tishomingo County, MS

The radar

The Columbus AFB radar (KGWX), 84 km from the middle of the area, began a volume at 00:43 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, 7:47 PM CDT	TSTM WND DMG	Tishomingo, MS	NUMEROUS TREES DOWN IN THE TOWN ON TISHOMINGO. ADDITIONAL TREES DOWN ON CR 127 AND CR 961

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, 2:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.7 hours before the alert went out and 160 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: 762 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

919 
WUUS54 KMEG 100044
SVRMEG
MSC141-100100-
/O.NEW.KMEG.SV.W.0146.210510T0044Z-210510T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
744 PM CDT Sun May 9 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Central Tishomingo County in northeastern Mississippi...

* Until 800 PM CDT.

* At 744 PM CDT, a severe thunderstorm was located near Tishomingo,
  or near Tishomingo State Park, moving southeast at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Iuka, Tishomingo State Park, Burnsville, Tishomingo, Midway, Paden,
  Dennis, Bloody Springs, Carter Branch, Mingo, Holcut, Petertown,
  Neil and Walker Siding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3451 8815 3461 8833 3485 8833 3475 8812
TIME...MOT...LOC 0044Z 302DEG 48KT 3467 8818 

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

1 follow-up statement

944 
WWUS54 KMEG 100100
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
800 PM CDT Sun May 9 2021

MSC141-100110-
/O.EXP.KMEG.SV.W.0146.000000T0000Z-210510T0100Z/
Tishomingo MS-
800 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TISHOMINGO COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Mississippi.

LAT...LON 3451 8815 3461 8833 3485 8833 3475 8812
TIME...MOT...LOC 0100Z 302DEG 48KT 3456 8797 

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:05 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Lafayette, Lee, Pontotoc, Union	40 min
May 9, 7:18 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Yalobusha	27 min
May 9, 7:21 PM CDT	Special Weather Statement	MEG	Coahoma, Quitman	24 min
May 9, 7:28 PM CDT	Special Weather Statement	MEG	Tishomingo	32 min
May 9, 7:28 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Monroe, Pontotoc, Union	67 min
May 9, 7:45 PM CDT	Areal Flood Advisory	MEG	Coahoma, Panola, Quitman, Tallahatchie	2 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.