Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 166, NWS Memphis, TN

June 13, 20215 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 13, 2021, 4:21 PM CDT for 5 counties in Mississippi. It was in force for 39 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 13, 2021, 4:21 PM CDT (21:21 UTC)
Expired
Jun 13, 2021, 5:00 PM CDT
In force
39 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Calhoun County, MS, Chickasaw County, MS, Lafayette County, MS, Pontotoc County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 82 km from the middle of the area, began a volume at 21:22 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.

IssuedProductOfficeLasted
Jun 13, 12:22 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.4 hours before the alert went out and 101 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 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3480 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 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
3480 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

039 
WUUS54 KMEG 132121
SVRMEG
MSC013-017-071-115-145-132200-
/O.NEW.KMEG.SV.W.0166.210613T2121Z-210613T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
421 PM CDT Sun Jun 13 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Lafayette County in northwestern Mississippi...
  Northern Chickasaw County in northeastern Mississippi...
  Northern Calhoun County in northeastern Mississippi...
  Southwestern Union County in northeastern Mississippi...
  Pontotoc County in northeastern Mississippi...

* Until 500 PM CDT.

* At 420 PM CDT, a severe thunderstorm was located over New Albany,
  moving south at 25 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  New Albany, Pontotoc, Trace State Park, Ecru, New Harmony,
  Randolph, Troy, Furrs, Houlka, Thaxton, New Houlka, Algoma,
  Toccopola, Blue Springs, Shari, Robbs, Hortontown, Poolville,
  Esperanza and Endville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3402 8943 3454 8912 3454 8890 3395 8880
TIME...MOT...LOC 2120Z 002DEG 22KT 3448 8902 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 12:02 PM CDTSpecial Weather StatementMEGTishomingo28 min
Jun 13, 12:26 PM CDTSpecial Weather StatementMEGMonroe34 min
Jun 13, 12:46 PM CDTSevere Thunderstorm WarningMEGItawamba, Monroe11 min
Jun 13, 1:14 PM CDTSpecial Weather StatementMEGItawamba31 min
Jun 13, 1:24 PM CDTSpecial Weather StatementMEGMonroe36 min
Jun 13, 2:04 PM CDTSpecial Weather StatementMEGMonroe26 min
Jun 13, 2:18 PM CDTSpecial Weather StatementMEGMonroe27 min
Jun 13, 2:29 PM CDTSpecial Weather StatementMEGDeSoto, Tate31 min
Jun 13, 2:32 PM CDTSpecial Weather StatementMEGMonroe28 min
Jun 13, 2:44 PM CDTSevere Thunderstorm WarningMEGLafayette, Panola, Tate31 min
Jun 13, 2:56 PM CDTSpecial Weather StatementMEGChickasaw34 min
Jun 13, 3:02 PM CDTSevere Thunderstorm WarningMEGChickasaw28 min
Jun 13, 3:13 PM CDTSpecial Weather StatementMEGPanola47 min
Jun 13, 3:17 PM CDTSpecial Weather StatementMEGLee28 min
Jun 13, 3:27 PM CDTSpecial Weather StatementMEGChickasaw18 min
Jun 13, 3:50 PM CDTSpecial Weather StatementMEGUnion25 min
Jun 13, 4:16 PM CDTSpecial Weather StatementMEGCalhoun29 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.