Alert archive / Tennessee / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 81, NWS Memphis, TN

May 9, 2024Fayette County, Shelby County, Tennessee; Benton County, Marshall County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 9, 2024, 4:40 AM CDT for Fayette County, Shelby County, Tennessee; Benton County, Marshall County, Mississippi. It was in force for 50 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: May 9, 2024, 4:40 AM CDT (09:40 UTC)
Expired: May 9, 2024, 5:30 AM CDT
In force: 50 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Benton County, MS, Marshall County, MS, Fayette County, TN, Shelby County, TN

The radar

The Memphis radar (KNQA), 52 km from the middle of the area, began a volume at 09:44 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.

Issued	Product	Office	Lasted
May 9, 3:02 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 9.7 hours before the alert went out and 45 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: 3301 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 13.7

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 May 9, 3:54 AM CDT, 46 minutes earlier.

Area forecast discussion, May 9, 3:54 AM CDT, 46 minutes before

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In the hours before

Special weather statement, May 9, 3:08 AM CDT, 1 hour 32 minutes before

Special Weather Statement
National Weather Service Memphis TN
308 AM CDT Thu May 9 2024

ARZ035-036-048-049-090845-
St. Francis AR-Cross AR-Lee AR-Crittenden AR-
308 AM CDT Thu May 9 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHERN LEE...ST. FRANCIS...
SOUTHWESTERN CRITTENDEN AND SOUTHEASTERN CROSS COUNTIES THROUGH 345
AM CDT...

At 308 AM CDT, Doppler radar was tracking a strong thunderstorm over
Forrest City, moving east at 45 mph.

HAZARD...Wind gusts up to 40 mph and nickel size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
West Memphis, Forrest City, Marion, Hughes, Madison, Palestine,
Village Creek State Park, Caldwell, Edmondson, Colt, Wheatley,
Horseshoe Lake, Widener, Anthonyville, Haynes, Jennette, Simsboro,
Pinckney, New Salem, and New Home.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 1000 AM CDT for northwestern
Mississippi.

&&

LAT...LON 3498 9115 3500 9112 3500 9105 3505 9105
      3519 9082 3519 9026 3504 9028 3501 9031
      3497 9029 3486 9031 3486 9043 3488 9044
      3489 9047 3486 9049 3485 9109 3491 9112
      3494 9115
TIME...MOT...LOC 0808Z 270DEG 37KT 3498 9082

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

KRM

Local storm report, May 9, 3:51 AM CDT, 49 minutes before

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Special weather statement, May 9, 3:58 AM CDT, 42 minutes before

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Local storm report, May 9, 4:22 AM CDT, 18 minutes before

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Special weather statement, May 9, 4:23 AM CDT, 17 minutes before

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Special weather statement, May 9, 4:24 AM CDT, 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 11:53 PM CDT	Severe Thunderstorm Warning	MEG	Lake, Obion, Weakley	52 min
May 9, 12:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Shelby, Tipton	45 min
May 9, 12:29 AM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Haywood, Lauderdale	46 min
May 9, 12:30 AM CDT	Severe Thunderstorm Warning	MEG	Henry, Obion, Weakley	30 min
May 9, 12:37 AM CDT	Severe Thunderstorm Warning	MEG	Haywood, Lauderdale, Madison, Tipton	38 min
May 9, 12:46 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
May 9, 12:46 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	44 min
May 9, 12:54 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Carroll, Gibson, Henry, Weakley	51 min
May 9, 12:55 AM CDT	Severe Thunderstorm Warning	MEG	Henry	15 min
May 9, 1:06 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Crockett, Fayette, Hardeman, Haywood, Lauderdale, Shelby and 1 more	39 min
May 9, 1:26 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Carroll, Decatur, Henderson, Madison	49 min
May 9, 1:46 AM CDT	Special Weather Statement	MEG	Hardeman	44 min
May 9, 2:12 AM CDT	Flash Flood Warning	MEG	Shelby	3 hr
May 9, 2:25 AM CDT	Special Weather Statement	MEG	Chester, Decatur, Hardin, McNairy	35 min
May 9, 3:44 AM CDT	Severe Thunderstorm Warning	MEG	Shelby	46 min
May 9, 4:24 AM CDT	Special Weather Statement	MEG	Fayette	36 min
May 9, 11:43 AM CDT	River Flood Advisory	MEG	Dyer, Lake, Lauderdale	10 days
May 9, 11:44 AM CDT	River Flood Advisory	MEG	Lauderdale, Tipton	12 days
May 9, 4:23 AM CDT	Special Weather Statement	MEG	DeSoto	37 min
May 9, 5:21 AM CDT	Special Weather Statement	MEG	Tate, Tunica	24 min
May 9, 5:27 AM CDT	Special Weather Statement	MEG	Alcorn, Prentiss, Tippah, Union	33 min
May 8, 8:57 PM CDT	Special Weather Statement	MEG	Clay	33 min
May 8, 10:34 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	41 min
May 8, 11:44 PM CDT	Special Weather Statement	MEG	Cross	31 min
May 8, 11:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Crittenden, Cross, St. Francis	41 min
May 8, 11:49 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Craighead, Greene	23 min
May 9, 12:19 AM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	41 min
May 9, 12:29 AM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, St. Francis	46 min
May 9, 3:08 AM CDT	Special Weather Statement	MEG	St. Francis	37 min
May 9, 3:13 AM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	47 min
May 9, 3:26 AM CDT	Areal Flood Advisory	MEG	Crittenden, Cross, St. Francis	18 min
May 9, 3:43 AM CDT	Flash Flood Warning	MEG	Crittenden, Cross, St. Francis	3 hr
May 9, 3:58 AM CDT	Special Weather Statement	MEG	Lee	32 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2024 Severe Thunderstorm Warnings in Mississippi, 2024 Every severe thunderstorm warning in 2024

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.