Alert archive / Tennessee / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 282, NWS Memphis, TN

August 3, 20235 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Aug 3, 2023, 5:57 AM CDT for 5 counties in Tennessee. It was in force for 48 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 3, 2023, 5:57 AM CDT (10:57 UTC)
Expired: Aug 3, 2023, 6:45 AM CDT
In force: 48 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Dyer County, TN, Gibson County, TN, Lake County, TN, Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 101 km from the middle of the area, began a volume at 10:57 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, 11.0 hours before the alert went out and 170 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: 3646 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1546 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.9

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 3, 4:51 AM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Aug 3, 4:51 AM CDT, 1 hour 6 minutes before

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In the hours before

Special weather statement, Aug 3, 5:45 AM CDT, 12 minutes before

Special Weather Statement
National Weather Service Memphis TN
545 AM CDT Thu Aug 3 2023

MOZ115-TNZ001>003-019-020-031145-
Pemiscot MO-Weakley TN-Lake TN-Obion TN-Dyer TN-Gibson TN-
545 AM CDT Thu Aug 3 2023

...Strong thunderstorms will impact portions of central Pemiscot,
northwestern Weakley, northern Dyer, northwestern Gibson, Obion and
Lake Counties through 645 AM CDT...

At 544 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Towosahgy State Historic Site to near
Parma. Movement was southeast at 40 mph.

HAZARD...Wind gusts up to 50 mph and half inch 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...
Martin, Union City, Caruthersville, Portageville, Hayti, Fulton,
Reelfoot Lake State Park, Tiptonville, Newbern, Dresden, South
Fulton, Greenfield, Ridgely, Troy, Kenton, Obion, Sharon, Hayti
Heights, Wardell and Clayton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3650 8874 3619 8867 3605 8978 3639 8990
      3639 8975 3643 8973 3640 8967 3641 8961
      3634 8954 3637 8951 3643 8955 3646 8952
      3650 8953 3650 8949 3647 8949 3646 8947
      3650 8942 3651 8930
TIME...MOT...LOC 1044Z 320DEG 34KT 3674 8915 3666 8976

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

SJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 1:55 PM CDT	Special Weather Statement	MEG	Monroe	50 min
Aug 3, 3:09 PM CDT	Excessive Heat Warning	MEG	Coahoma, Quitman, Tallahatchie, Tunica	24 hr
Aug 3, 3:09 PM CDT	Heat Advisory	MEG	Benton, Calhoun, Chickasaw, DeSoto, Lafayette, Lee and 7 more	29 hr
Aug 3, 5:45 AM CDT	Special Weather Statement	MEG	Lake, Obion, Weakley	60 min
Aug 3, 6:39 AM CDT	Special Weather Statement	MEG	Carroll, Crockett, Dyer, Gibson, Weakley	36 min
Aug 3, 9:38 AM CDT	Flash Flood Warning	MEG	Carroll, Gibson, Henry, Obion, Weakley	3 hr

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.