Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 190, NWS Memphis, TN

October 15, 2021DeSoto County, Tate County, Tunica County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Oct 15, 2021, 6:21 PM CDT for DeSoto County, Tate County, Tunica County, Mississippi. It was in force for 18 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, 6:21 PM CDT (23:21 UTC)
Expired
Oct 15, 2021, 6:39 PM CDT
In force
18 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties DeSoto County, MS, Tate County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 61 km from the middle of the area, began a volume at 23:25 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.

IssuedProductOfficeLasted
Oct 15, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr
Oct 15, 6:05 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.4 hours before the alert went out and 20 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

469 
WUUS54 KMEG 152321
SVRMEG
MSC033-137-143-160000-
/O.NEW.KMEG.SV.W.0190.211015T2321Z-211016T0000Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  DeSoto County in northwestern Mississippi...
  Northeastern Tunica County in northwestern Mississippi...
  Northern Tate County in northwestern Mississippi...

* Until 700 PM CDT.

* At 621 PM CDT, a severe thunderstorm was located near Eudora, or 12
  miles west of Hernando, moving east at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Southaven, Olive Branch, Horn Lake, Hernando, Lake Cormorant,
  Phillipp, Eudora, Lewisburg, Wakefield, Newport, Clack, Trinity,
  Cockrum, Frees Corners, Cedarview, Bright, Nesbit, Handy Corner,
  Glover and Banks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3485 9030 3488 9031 3490 9025 3493 9024
      3497 8972 3470 8972 3474 9031 3485 9031
TIME...MOT...LOC 2321Z 268DEG 29KT 3483 9022 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
2 follow-up statements
126 
WWUS54 KMEG 152330
SVSMEG

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

MSC143-152340-
/O.CAN.KMEG.SV.W.0190.000000T0000Z-211016T0000Z/
Tunica MS-
630 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TUNICA 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
northwestern Mississippi. A Severe Thunderstorm Watch also remains in
effect until midnight CDT for northwestern Mississippi.

LAT...LON 3494 9015 3497 8972 3470 8972 3474 9020
      3477 9020
TIME...MOT...LOC 2330Z 268DEG 29KT 3483 9013 

$$

MSC033-137-160000-
/O.CON.KMEG.SV.W.0190.000000T0000Z-211016T0000Z/
DeSoto MS-Tate MS-
630 PM CDT Fri Oct 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR DESOTO AND NORTHERN TATE COUNTIES...

At 630 PM CDT, a severe thunderstorm was located over Eudora, or 7
miles west of Hernando, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Southaven, Olive Branch, Horn Lake, Hernando, Eudora, Lewisburg,
Wakefield, Trinity, Cockrum, Frees Corners, Cedarview, Bright,
Nesbit, Handy Corner, Jago, Robinson Gin, Alden, Lurline, Fairhaven
and Twin Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3494 9015 3497 8972 3470 8972 3474 9020
      3477 9020
TIME...MOT...LOC 2330Z 268DEG 29KT 3483 9013 

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

$$
410 
WWUS54 KMEG 152339
SVSMEG

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

MSC033-137-152349-
/O.CAN.KMEG.SV.W.0190.000000T0000Z-211016T0000Z/
DeSoto MS-Tate MS-
639 PM CDT Fri Oct 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR DESOTO AND NORTHERN TATE
COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
northwestern Mississippi. A Severe Thunderstorm Watch also remains in
effect until midnight CDT for northwestern Mississippi.

LAT...LON 3494 9015 3497 8972 3470 8972 3474 9020
      3477 9020
TIME...MOT...LOC 2337Z 268DEG 29KT 3483 9004 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 5:31 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tate, Tunica44 min
Oct 15, 5:56 PM CDTTornado WarningMEGDeSoto, Tunica18 min
Oct 15, 6:56 PM CDTSpecial Weather StatementMEGMarshall34 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every 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.