Alert archive / Arkansas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 65, NWS Memphis, TN

March 24, 2020Clay County, Greene County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Mar 24, 2020, 10:34 AM CDT for Clay County, Greene County, Arkansas. It was in force for 26 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: Mar 24, 2020, 10:34 AM CDT (15:34 UTC)
Expired: Mar 24, 2020, 11:00 AM CDT
In force: 26 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, AR, Greene County, AR

The radar

The Memphis radar (KNQA), 114 km from the middle of the area, began a volume at 15:34 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, 3.6 hours before the alert went out and 164 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 450 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 499 m²/s²
0-3 km storm-relative helicity: 380 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Mar 24, 6:54 AM CDT, 3 hours 40 minutes earlier.

Area forecast discussion, Mar 24, 6:54 AM CDT, 3 hours 40 minutes before

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Hazardous weather outlook, Mar 24, 3:30 AM CDT, 7 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
330 AM CDT Tue Mar 24 2020

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-251030-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lee AR-Lee MS-
Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot-
Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis-
Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley-
Yalobusha-
330 AM CDT Tue Mar 24 2020

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...Today and Tonight

Severe thunderstorms are possible across much of the Mid-South
today. The main threats will be large hail and damaging winds. A
few tornadoes are also possible as well as locally heavy
rainfall. The most likely time for severe weather is this
afternoon and early this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and early this
evening.

In the hours before

Special weather statement, Mar 24, 5:53 AM CDT, 4 hours 41 minutes before

Special Weather Statement
National Weather Service Memphis TN
553 AM CDT Tue Mar 24 2020

MSZ004-005-009-014-241145-
Tippah MS-Union MS-Alcorn MS-Prentiss MS-
553 AM CDT Tue Mar 24 2020

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 645 AM CDT
FOR...

Southeastern Tippah County in northeastern Mississippi...
Northeastern Union County in northeastern Mississippi...
Southeastern Alcorn County in northeastern Mississippi...
Prentiss County in northeastern Mississippi...

At 553 AM CDT...a strong thunderstorm producing pea size hail or
larger was located near Keownville, or 11 miles northeast of New
Albany, moving east at 45 mph.

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

People in southeastern Tippah...northeastern Union...southeastern
Alcorn and Prentiss Counties should monitor this storm closely.

LAT...LON 3451 8867 3451 8873 3450 8874 3450 8879
      3447 8879 3445 8888 3462 8896 3491 8837
      3476 8837 3475 8835 3474 8835 3474 8833
      3460 8833
TIME...MOT...LOC 1053Z 248DEG 37KT 3457 8884

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 24, 5:53 AM CDT	Special Weather Statement	MEG	Prentiss	52 min
Mar 24, 6:43 AM CDT	Areal Flood Advisory	MEG	Lee, Prentiss, Union	3 hr
Mar 24, 7:22 AM CDT	Areal Flood Advisory	MEG	Prentiss, Tishomingo	3 hr
Mar 24, 12:27 PM CDT	River Flood Warning	MEG	Tate, Tunica	47 hr
Mar 24, 12:36 PM CDT	River Flood Warning	MEG	Lafayette, Marshall, Union	8 hr
Mar 24, 5:15 PM CDT	Severe Thunderstorm Warning	MEG	Prentiss, Tishomingo	29 min
Mar 24, 5:22 PM CDT	Tornado Warning	MEG	Prentiss, Tishomingo	23 min
Mar 24, 5:51 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	39 min
Mar 24, 5:56 PM CDT	Severe Thunderstorm Warning	MEG	Prentiss, Tishomingo	34 min
Mar 24, 6:28 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	17 min
Mar 24, 6:41 PM CDT	Areal Flood Advisory	MEG	Prentiss, Tishomingo	3 hr
Mar 24, 11:29 AM CDT	Special Weather Statement	MEG	Dyer, Lake	46 min
Mar 24, 12:13 PM CDT	Special Weather Statement	MEG	Dyer, Obion	47 min
Mar 24, 12:43 PM CDT	Special Weather Statement	MEG	Dyer, Gibson, Weakley	32 min
Mar 24, 1:53 PM CDT	River Flood Warning	MEG	Dyer, Gibson, Obion	68 hr
Mar 24, 1:57 PM CDT	River Flood Warning	MEG	Madison	7 hr
Mar 24, 2:08 PM CDT	River Flood Warning	MEG	Decatur, Perry	11 days
Mar 24, 2:08 PM CDT	River Flood Warning	MEG	Benton, Henry, Houston, Humphreys, Stewart	12 days
Mar 24, 3:18 AM CDT	Special Weather Statement	MEG	Lee	42 min
Mar 24, 9:40 AM CDT	River Flood Warning	MEG	Clay, Greene	9 days
Mar 24, 10:59 AM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	31 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2020 Every severe thunderstorm warning in 2020

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.