Alert archive / Arkansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 215, NWS Memphis, TN

October 12, 2022Clay County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Oct 12, 2022, 11:23 AM CDT for Clay County, Arkansas. It was in force for 10 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: Oct 12, 2022, 11:23 AM CDT (16:23 UTC)
Expired: Oct 12, 2022, 11:33 AM CDT
In force: 10 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Clay County, AR

The radar

The Memphis radar (KNQA), 124 km from the middle of the area, began a volume at 16:23 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, 4.4 hours before the alert went out and 176 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: 2028 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Oct 12, 6:51 AM CDT, 4 hours 32 minutes earlier.

Area forecast discussion, Oct 12, 6:51 AM CDT, 4 hours 32 minutes before

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Hazardous weather outlook, Oct 12, 5:03 AM CDT, 6 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
503 AM CDT Wed Oct 12 2022

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-131215-
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-
503 AM CDT Wed Oct 12 2022

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

.DAY ONE...Today and Tonight

Some severe thunderstorms are expected by the afternoon and
evening hours, with the main threats being damaging winds, large
hail, and an isolated tornado. Regions south of I-40, especially
in northeast Mississippi have the highest chance of seeing these
threats.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Starting Thursday, there exists Elevated Fire Danger across most
of the region due to dry fuels, low Relative Humidity, and gusty
winds. By Saturday, the threat will diminish.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.
Please relay any information about observed severe weather to the
NWS while following all local, state, and CDC guidelines.

In the hours before

Special weather statement, Oct 12, 10:48 AM CDT, 35 minutes before

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Special weather statement, Oct 12, 11:12 AM CDT, 11 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
Oct 12, 2:16 PM CDT	Special Weather Statement	MEG	DeSoto	44 min
Oct 12, 2:59 PM CDT	Special Weather Statement	MEG	Marshall	31 min
Oct 12, 3:19 PM CDT	Special Weather Statement	MEG	Alcorn, Benton, Tippah	26 min
Oct 12, 3:43 PM CDT	Special Weather Statement	MEG	Alcorn	32 min
Oct 12, 4:05 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Tallahatchie	25 min
Oct 12, 4:26 PM CDT	Special Weather Statement	MEG	Prentiss	34 min
Oct 12, 4:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Tallahatchie	46 min
Oct 12, 4:53 PM CDT	Special Weather Statement	MEG	Union	37 min
Oct 12, 4:57 PM CDT	Special Weather Statement	MEG	Prentiss, Tishomingo	33 min
Oct 12, 5:11 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Pontotoc, Union	49 min
Oct 12, 5:13 PM CDT	Severe Thunderstorm Warning	MEG	Tallahatchie	16 min
Oct 12, 5:53 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee	52 min
Oct 12, 6:35 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	40 min
Oct 12, 1:32 PM CDT	Special Weather Statement	MEG	Tipton	43 min
Oct 12, 2:24 PM CDT	Special Weather Statement	MEG	Haywood, Madison	36 min
Oct 12, 2:45 PM CDT	Special Weather Statement	MEG	Henderson	30 min
Oct 12, 2:54 PM CDT	Special Weather Statement	MEG	Henderson, Madison	36 min
Oct 12, 3:21 PM CDT	Red Flag Warning	MEG	Benton, Carroll, Dyer, Gibson, Henry, Lake and 2 more	29 hr
Oct 12, 3:30 PM CDT	Special Weather Statement	MEG	Decatur, Henderson	30 min
Oct 12, 4:10 PM CDT	Special Weather Statement	MEG	Hardin	35 min
Oct 12, 10:48 AM CDT	Special Weather Statement	MEG	Clay	42 min
Oct 12, 11:12 AM CDT	Special Weather Statement	MEG	Clay	33 min
Oct 12, 1:35 PM CDT	Special Weather Statement	MEG	Crittenden	40 min
Oct 12, 2:50 PM CDT	Special Weather Statement	MEG	St. Francis	25 min
Oct 12, 3:02 PM CDT	Special Weather Statement	MEG	St. Francis	28 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2022 Every severe thunderstorm warning in 2022

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.