Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 186, NWS Memphis, TN

October 15, 2021Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Oct 15, 2021, 4:42 PM CDT for Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas. It was in force for 48 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: Oct 15, 2021, 4:42 PM CDT (21:42 UTC)
Expired: Oct 15, 2021, 5:30 PM CDT
In force: 48 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Mississippi County, AR, Lauderdale County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 51 km from the middle of the area, began a volume at 21:43 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 15, 12:28 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.7 hours before the alert went out and 107 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: 567 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

142 
WUUS54 KMEG 152142
SVRMEG
ARC093-TNC097-167-152230-
/O.NEW.KMEG.SV.W.0186.211015T2142Z-211015T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
442 PM CDT Fri Oct 15 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Central Mississippi County in eastern Arkansas...
  North central Tipton County in western Tennessee...
  Lauderdale County in western Tennessee...

* Until 530 PM CDT.

* At 441 PM CDT, a severe thunderstorm was located near Dyess, or
  near Keiser, moving east at 55 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ripley, Osceola, Luxora, Wilson, Keiser, Fort Pillow State Park,
  Halls, Dyess, Burdette, Marie, Fulton, Ashport, Ft Pillow, Henning,
  Gates, Etowah, Victoria, Edith, Eastview and O'Donnell Bend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3593 8942 3582 8939 3576 8944 3574 8943
      3565 8947 3554 9029 3573 9029
TIME...MOT...LOC 2141Z 257DEG 48KT 3565 9021 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

3 follow-up statements

966 
WWUS54 KMEG 152159
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
459 PM CDT Fri Oct 15 2021

ARC093-TNC097-167-152230-
/O.CON.KMEG.SV.W.0186.000000T0000Z-211015T2230Z/
Mississippi AR-Tipton TN-Lauderdale TN-
459 PM CDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL MISSISSIPPI...NORTHERN TIPTON AND LAUDERDALE COUNTIES...

At 459 PM CDT, a severe thunderstorm was located near Luxora, moving
east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ripley, Osceola, Luxora, Keiser, Fort Pillow State Park, Halls,
Marie, Fulton, Ashport, Ft Pillow, Henning, Gates, Victoria, Edith,
Eastview, Dryhill, Driver, Double Bridges, O'Donnell Bend and Grider.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3593 8942 3582 8939 3576 8944 3574 8943
      3565 8947 3557 9012 3575 9017
TIME...MOT...LOC 2159Z 257DEG 48KT 3570 8992 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

898 
WWUS54 KMEG 152220
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
520 PM CDT Fri Oct 15 2021

ARC093-152229-
/O.CAN.KMEG.SV.W.0186.000000T0000Z-211015T2230Z/
Mississippi AR-
520 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MISSISSIPPI COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
eastern Arkansas...and western Tennessee.

LAT...LON 3593 8942 3582 8939 3576 8944 3574 8943
      3565 8947 3559 8995 3564 8985 3567 8986
      3565 8990 3567 8994 3572 8996 3574 8995
      3576 8991 3574 8987 3575 8983 3580 8978
      3581 8973 3582 8970 3583 8970 3585 8974
TIME...MOT...LOC 2219Z 257DEG 48KT 3576 8959 

$$

TNC097-167-152230-
/O.CON.KMEG.SV.W.0186.000000T0000Z-211015T2230Z/
Tipton TN-Lauderdale TN-
520 PM CDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHERN TIPTON AND LAUDERDALE COUNTIES...

At 519 PM CDT, a severe thunderstorm was located near Ripley, moving
east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ripley, Luxora, Fort Pillow State Park, Halls, Fulton, Ashport, Ft
Pillow, Henning, Gates, Edith, Dryhill, Double Bridges, Luckett,
Flippin, Keyes Port, Curve, Durhamville, Golddust, Three Point and
Nankipoo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3593 8942 3582 8939 3576 8944 3574 8943
      3565 8947 3559 8995 3564 8985 3567 8986
      3565 8990 3567 8994 3572 8996 3574 8995
      3576 8991 3574 8987 3575 8983 3580 8978
      3581 8973 3582 8970 3583 8970 3585 8974
TIME...MOT...LOC 2219Z 257DEG 48KT 3576 8959 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

587 
WWUS54 KMEG 152226
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
526 PM CDT Fri Oct 15 2021

TNC097-167-152235-
/O.EXP.KMEG.SV.W.0186.000000T0000Z-211015T2230Z/
Tipton TN-Lauderdale TN-
526 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TIPTON AND LAUDERDALE
COUNTIES WILL EXPIRE AT 530 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
eastern Arkansas...and western Tennessee.

LAT...LON 3593 8942 3582 8939 3576 8944 3574 8943
      3565 8947 3559 8995 3564 8985 3567 8986
      3565 8990 3567 8994 3572 8996 3574 8995
      3576 8991 3574 8987 3575 8983 3580 8978
      3581 8973 3582 8970 3583 8970 3585 8974
TIME...MOT...LOC 2225Z 257DEG 48KT 3577 8951 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 3:06 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
Oct 15, 3:23 PM CDT	Special Weather Statement	MEG	Weakley	37 min
Oct 15, 4:33 PM CDT	Special Weather Statement	MEG	Henry	27 min
Oct 15, 4:55 PM CDT	Tornado Warning	MEG	Lauderdale, Tipton	23 min
Oct 15, 5:39 PM CDT	Special Weather Statement	MEG	Benton	36 min
Oct 15, 5:43 PM CDT	Special Weather Statement	MEG	Tipton	47 min
Oct 15, 5:56 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Gibson, Haywood, Madison	49 min
Oct 15, 6:28 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, Haywood, Madison	17 min
Oct 15, 6:43 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Gibson, Hardeman, Henderson, Madison	47 min
Oct 15, 3:35 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	18 min
Oct 15, 3:54 PM CDT	Special Weather Statement	MEG	Craighead, Poinsett	36 min
Oct 15, 4:25 PM CDT	Special Weather Statement	MEG	Mississippi	35 min
Oct 15, 4:46 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	44 min
Oct 15, 5:31 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	44 min
Oct 15, 5:56 PM CDT	Tornado Warning	MEG	Crittenden, Lee, St. Francis	18 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021 Severe Thunderstorm Warnings in Arkansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.