Alert archive / Tennessee / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 302, NWS Memphis, TN

August 7, 2023Fayette County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Aug 7, 2023, 9:10 AM CDT for Fayette County, Tennessee. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 7, 2023, 9:10 AM CDT (14:10 UTC)
Expired: Aug 7, 2023, 9:45 AM CDT
In force: 35 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Fayette County, TN

The radar

The Memphis radar (KNQA), 45 km from the middle of the area, began a volume at 14:10 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

Nashville Metro, TN (KBNA), launched 12:00Z, 2.2 hours before the alert went out and 275 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: 1827 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 355 m²/s²
Significant tornado parameter: 3.8
Supercell composite: 16.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 6:21 AM CDT, 2 hours 49 minutes earlier.

Area forecast discussion, Aug 7, 6:21 AM CDT, 2 hours 49 minutes before

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In the hours before

Special weather statement, Aug 7, 7:00 AM CDT, 2 hours 10 minutes before

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Special weather statement, Aug 7, 7:27 AM CDT, 1 hour 43 minutes before

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Special weather statement, Aug 7, 7:53 AM CDT, 1 hour 17 minutes before

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Special weather statement, Aug 7, 8:11 AM CDT, 59 minutes before

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Special weather statement, Aug 7, 9:02 AM CDT, 8 minutes before

Special Weather Statement
National Weather Service Memphis TN
902 AM CDT Mon Aug 7 2023

TNZ088-089-071430-
Fayette TN-Shelby TN-
902 AM CDT Mon Aug 7 2023

...A strong thunderstorm will impact portions of northern Fayette and
northeastern Shelby Counties through 930 AM CDT...

At 902 AM CDT, Doppler radar was tracking a strong thunderstorm near
Arlington, or 11 miles northeast of Cordova, moving east at 65 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lakeland, Arlington, Somerville, Eads, Warren, Oakland, Gallaway,
Williston, Braden, Lenow, Yum Yum, Laconia, Longtown, Moorman, Taylor
Chapel, Lambert, Miller, Hickory Withe, Powers and Griffen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3515 8920 3518 8975 3539 8971 3539 8964
      3537 8964 3539 8962 3537 8921
TIME...MOT...LOC 1402Z 273DEG 56KT 3526 8961

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

CJC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 2:50 AM CDT	Heat Advisory	MEG	Calhoun, Chickasaw, Monroe, Tallahatchie, Yalobusha	12 hr
Aug 7, 9:32 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Tippah	43 min
Aug 7, 9:36 AM CDT	Special Weather Statement	MEG	Marshall	24 min
Aug 7, 10:13 AM CDT	Special Weather Statement	MEG	Alcorn, Tippah, Tishomingo	47 min
Aug 7, 12:06 PM CDT	Special Weather Statement	MEG	Lee, Pontotoc, Prentiss, Tippah, Union	24 min
Aug 7, 12:28 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Itawamba, Lafayette, Lee, Pontotoc, Prentiss and 2 more	32 min
Aug 7, 12:59 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 3 more	46 min
Aug 7, 1:39 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Monroe	36 min
Aug 7, 8:11 AM CDT	Special Weather Statement	MEG	Shelby	34 min
Aug 7, 8:17 AM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	43 min
Aug 7, 8:33 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Haywood, Shelby, Tipton	27 min
Aug 7, 8:36 AM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	28 min
Aug 7, 8:48 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, Haywood, McNairy, Madison	42 min
Aug 7, 9:02 AM CDT	Special Weather Statement	MEG	Fayette	28 min
Aug 7, 9:22 AM CDT	Special Weather Statement	MEG	Fayette	38 min
Aug 7, 9:29 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more	46 min
Aug 7, 7:00 AM CDT	Special Weather Statement	MEG	Poinsett	30 min
Aug 7, 7:27 AM CDT	Special Weather Statement	MEG	Poinsett	33 min
Aug 7, 7:53 AM CDT	Special Weather Statement	MEG	Cross	37 min
Aug 7, 10:06 AM CDT	Special Weather Statement	MEG	Phillips	54 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2023 Every severe thunderstorm warning in 2023

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.