Alert archive / Mississippi / Flash Flood Warnings in 2024

Flash Flood Warning 30, NWS Memphis, TN

December 28, 2024DeSoto County, Mississippi

NWS Memphis, TN issued this flash flood warning at Dec 28, 2024, 2:47 PM CST for DeSoto County, Mississippi. It was in force for 118 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: Dec 28, 2024, 2:47 PM CST (20:47 UTC)
Expired: Dec 28, 2024, 4:45 PM CST
In force: 118 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

County DeSoto County, MS

The radar

The Memphis radar (KNQA), 53 km from the middle of the area, began a volume at 20:50 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

Jackson, MS (KJAN), launched 12:00Z, 8.8 hours before the alert went out and 284 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: 975 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 545 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Dec 28, 11:22 AM CST, 3 hours 25 minutes earlier.

Area forecast discussion, Dec 28, 11:22 AM CST, 3 hours 25 minutes before

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In the hours before

Special weather statement, Dec 28, 1:22 PM CST, 1 hour 25 minutes before

Special Weather Statement
National Weather Service Memphis TN
122 PM CST Sat Dec 28 2024

MSZ001-008-011-012-281945-
DeSoto MS-Panola MS-Tate MS-Quitman MS-
122 PM CST Sat Dec 28 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL DESOTO...CENTRAL
TATE...NORTHEASTERN QUITMAN AND NORTHWESTERN PANOLA COUNTIES THROUGH
145 PM CST...

At 121 PM CST, Doppler radar was tracking a strong thunderstorm near
Curtis Station, or 13 miles west of Batesville, moving north at 35
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 hail damage to vegetation is
         possible.

Locations impacted include...
Senatobia, Coldwater, Como, Crenshaw, Sledge, Curtis Station,
Arkabutla, Darling, Strayhorn, Pleasant Grove, Falcon, Askew, Buxton,
McGhee, Longtown, Ballentine, Sarah, Love, Poagville, and Horatio.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3434 9029 3451 9023 3451 9020 3455 9020
      3456 9021 3482 9012 3471 8982 3427 9009
TIME...MOT...LOC 1921Z 202DEG 39KT 3438 9016

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

DNM

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 28, 5:55 AM CST	Dense Fog Advisory	MEG	Dyer, Lake, Lauderdale, Shelby, Tipton	8 hr
Dec 28, 2:59 PM CST	Areal Flood Advisory	MEG	Shelby	5 hr
Dec 28, 3:30 PM CST	Flash Flood Warning	MEG	Shelby	105 min
Dec 28, 1:22 PM CST	Special Weather Statement	MEG	Tate	23 min
Dec 28, 2:23 PM CST	Areal Flood Advisory	MEG	DeSoto, Tate	112 min
Dec 28, 2:42 PM CST	Areal Flood Advisory	MEG	DeSoto	2 hr
Dec 28, 5:46 PM CST	Areal Flood Advisory	MEG	DeSoto	2 hr

Nearby

Flash Flood Warnings in Mississippi, 2024 Every flash flood 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.