Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 170, NWS Memphis, TN

July 9, 2021DeSoto County, Tate County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jul 9, 2021, 12:14 AM CDT for DeSoto County, Tate County, Mississippi. It was in force for 13 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: Jul 9, 2021, 12:14 AM CDT (05:14 UTC)
Expired: Jul 9, 2021, 12:27 AM CDT
In force: 13 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties DeSoto County, MS, Tate County, MS

The radar

The Memphis radar (KNQA), 61 km from the middle of the area, began a volume at 05:18 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.2 hours before the alert went out and 13 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: 1294 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1750 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted.

821 
WUUS54 KMEG 090514
SVRMEG
MSC033-137-090600-
/O.NEW.KMEG.SV.W.0170.210709T0514Z-210709T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1214 AM CDT Fri Jul 9 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Central DeSoto County in northwestern Mississippi...
  Western Tate County in northwestern Mississippi...

* Until 100 AM CDT.

* At 1213 AM CDT, a severe thunderstorm was located over Eudora, or 8
  miles west of Hernando, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Hernando, Senatobia, Coldwater, Eudora, Robinson Gin, Trinity,
  Lurline, Alphaba, Cockrum, Frees Corners, Bright, Nesbit, West
  Days, Love, Glover and New Town.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3495 9017 3484 8978 3460 8992 3475 9020
      3486 9020 3486 9022
TIME...MOT...LOC 0513Z 295DEG 14KT 3484 9014 

HAIL...1.25IN
WIND...60MPH
 
$$

1 follow-up statement

397 
WWUS54 KMEG 090527
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1227 AM CDT Fri Jul 9 2021

MSC033-137-090537-
/O.CAN.KMEG.SV.W.0170.000000T0000Z-210709T0600Z/
DeSoto MS-Tate MS-
1227 AM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DESOTO AND WESTERN
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.

LAT...LON 3495 9017 3484 8978 3460 8992 3475 9020
      3486 9020 3486 9022
TIME...MOT...LOC 0524Z 295DEG 14KT 3482 9008 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 11:45 PM CDT	Special Weather Statement	MEG	DeSoto	30 min
Jul 9, 12:32 AM CDT	Special Weather Statement	MEG	DeSoto	28 min
Jul 9, 10:06 AM CDT	Areal Flood Advisory	MEG	DeSoto, Marshall	3 hr
Jul 9, 11:08 AM CDT	Areal Flood Advisory	MEG	DeSoto, Marshall	3 hr
Jul 9, 12:52 PM CDT	Flash Flood Warning	MEG	DeSoto, Marshall	3 hr
Jul 9, 1:19 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Tate, Tunica	41 min

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