Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

May 3, 2021Hardeman County, Tennessee

NWS Memphis, TN issued this special weather statement at May 3, 2021, 8:21 AM CDT for Hardeman County, Tennessee. It was in force for 24 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
May 3, 2021, 8:21 AM CDT (13:21 UTC)
Expired
May 3, 2021, 8:45 AM CDT
In force
24 min
Issued by
NWS Memphis, TN

County Hardeman County, TN

The radar

The Memphis radar (KNQA), 63 km from the middle of the area, began a volume at 13:21 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 12:00Z, 1.4 hours before the alert went out and 85 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1119 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 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
1119 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted.

840 
WWUS84 KMEG 031321
SPSMEG

Special Weather Statement
National Weather Service Memphis TN
821 AM CDT Mon May 3 2021
 
TNZ089-090-031345-
Hardeman TN-Fayette TN-
821 AM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 845 AM CDT
FOR...

Central Hardeman County in western Tennessee...
Northeastern Fayette County in western Tennessee...

At 821 AM CDT...a strong thunderstorm producing winds at least 40 mph
was located near Somerville, or 15 miles west of Bolivar, moving east
at 20 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in central Hardeman and northeastern Fayette Counties should
monitor this storm closely.

LAT...LON 3522 8939 3540 8935 3538 8886 3511 8892
TIME...MOT...LOC 1321Z 279DEG 18KT 3530 8929 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:42 PM CDTTornado WarningMEGCalhoun, Chickasaw48 min
May 2, 8:29 PM CDTTornado WarningMEGCalhoun, Chickasaw, Pontotoc46 min
May 2, 9:13 PM CDTTornado WarningMEGChickasaw, Lee, Pontotoc47 min
May 2, 9:53 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatMEGItawamba, Lee, Prentiss, Tishomingo52 min
May 2, 10:37 PM CDTTornado Warning Tornado observedConsiderable damage threatMEGItawamba, Prentiss, Tishomingo38 min
May 3, 12:12 AM CDTSpecial Weather StatementMEGLafayette33 min
May 3, 12:38 AM CDTSpecial Weather StatementMEGTippah37 min
May 3, 12:48 AM CDTSpecial Weather StatementMEGTunica27 min
May 3, 12:49 AM CDTSpecial Weather StatementMEGPontotoc26 min
May 3, 1:31 AM CDTSpecial Weather StatementMEGDeSoto29 min
May 3, 1:45 AM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall, Tate45 min
May 3, 2:30 AM CDTSpecial Weather StatementMEGBenton30 min
May 3, 2:36 AM CDTSpecial Weather StatementMEGMarshall24 min
May 3, 5:57 AM CDTAreal Flood AdvisoryMEGDeSoto110 min
May 3, 12:05 PM CDTSpecial Weather StatementMEGClay25 min
May 3, 12:23 PM CDTSpecial Weather StatementMEGMonroe37 min
May 3, 12:31 PM CDTSpecial Weather StatementMEGMonroe29 min
May 3, 1:01 PM CDTSpecial Weather StatementMEGMonroe29 min
May 3, 1:30 PM CDTSpecial Weather StatementMEGMonroe30 min
May 3, 3:06 AM CDTSpecial Weather StatementMEGChester, Hardeman24 min
May 3, 3:35 AM CDTSpecial Weather StatementMEGChester40 min
May 3, 4:48 AM CDTSpecial Weather StatementMEGHaywood27 min
May 3, 4:58 AM CDTSpecial Weather StatementMEGMcNairy32 min
May 3, 5:02 AM CDTAreal Flood AdvisoryMEGHardeman, Hardin, McNairy3 hr
May 3, 7:01 AM CDTAreal Flood AdvisoryMEGHaywood, Madison, Tipton119 min
May 3, 7:54 AM CDTAreal Flood AdvisoryMEGDecatur, Henderson, Madison2 hr

Nearby

Special Weather Statements in Tennessee, 2021Every special weather statement 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.