Alert archive / Mississippi / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 217, NWS Memphis, TN

October 12, 2022Tallahatchie County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Oct 12, 2022, 4:29 PM CDT for Tallahatchie County, Mississippi. It was in force for 46 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, 4:29 PM CDT (21:29 UTC)
Expired: Oct 12, 2022, 5:15 PM CDT
In force: 46 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 50.0 mph

County Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 157 km from the middle of the area, began a volume at 21:32 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
Oct 12, 3:56 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.5 hours before the alert went out and 100 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, 4:25 PM CDT, 4 minutes earlier.

Area forecast discussion, Oct 12, 4:25 PM CDT, 4 minutes before

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Hazardous weather outlook, Oct 12, 4:07 PM CDT, 22 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Memphis TN
407 PM 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>092-132315-
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-
407 PM 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...Tonight

Strong to severe thunderstorms are expected through mid-evening
over portions of East Arkansas, West Tennessee, and North
Mississippi. Damaging winds and large hail will be the main
threats for any thunderstorms that reach severe limits.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A Red Flag Warning has been issued for portions of Northeast
Arkansas, and the Missouri Bootheel Thursday afternoon for dry
fuels, low relative humidity and gusty northwest to north winds.

Frost is possible late Monday night into Tuesday morning across
portions of West Tennessee as colder air filters into the Mid-
South.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed through mid-evening across
portions East Arkansas, West Tennessee and North Mississippi in
support of severe weather operations. 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, 3:02 PM CDT, 1 hour 27 minutes before

Special Weather Statement
National Weather Service Memphis TN
302 PM CDT Wed Oct 12 2022

ARZ048-049-122030-
St. Francis AR-Lee AR-
302 PM CDT Wed Oct 12 2022

...A strong thunderstorm will impact portions of northern Lee and
southwestern St. Francis Counties through 330 PM CDT...

At 302 PM CDT, Doppler radar was tracking a strong thunderstorm near
New Salem, or near Palestine, moving east at 35 mph.

HAZARD...Winds in excess of 40 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...
Forrest City, Madison, Palestine, Widener, Haynes, Brickeys, Cody,
Gill, Bonair, Westor, Dansby, New Castle, Four Forks, Dodsons Corner,
Heustess, Ball Point and Tongin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3481 9096 3495 9100 3507 9067 3484 9056
TIME...MOT...LOC 2002Z 256DEG 28KT 3490 9093

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

SMW

Special weather statement, Oct 12, 3:19 PM CDT, 1 hour 10 minutes before

Special Weather Statement
National Weather Service Memphis TN
319 PM CDT Wed Oct 12 2022

MSZ002>005-TNZ053-090-091-122045-
Tippah MS-Marshall MS-Benton MS-Alcorn MS-Hardeman TN-Chester TN-
McNairy TN-
319 PM CDT Wed Oct 12 2022

...Strong thunderstorms will impact portions of northeastern
Marshall, Tippah, Benton, Alcorn, Hardeman, McNairy and southwestern
Chester Counties through 345 PM CDT...

At 319 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Silerton to 8 miles northwest of
Pocahontas to near Canaan to near Snow Lake Shores. Movement was
southeast at 45 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size 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...
Corinth, Holly Springs, Bolivar, Ripley, Selmer, Big Hill Pond State
Park, Lamar, Adamsville, Blue Mountain, Snow Lake Shores, Silerton,
Masseyville, Theo, Canaan, Pocahontas, Hinkle, Gravestown, Robertson,
McNairy and Walnut.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3479 8855 3475 8861 3476 8872 3469 8872
      3460 8888 3460 8899 3481 8946 3500 8922
      3500 8920 3501 8920 3515 8908 3540 8906
      3527 8839 3506 8838
TIME...MOT...LOC 2019Z 298DEG 39KT 3530 8880 3514 8893 3497 8905 3478
8932

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Special weather statement, Oct 12, 3:30 PM CDT, 59 minutes before

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Special weather statement, Oct 12, 3:43 PM CDT, 46 minutes before

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Special weather statement, Oct 12, 4:10 PM CDT, 19 minutes before

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Special weather statement, Oct 12, 4:26 PM CDT, 3 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, 4:53 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, 11:23 AM CDT	Severe Thunderstorm Warning	MEG	Clay	10 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 Mississippi, 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.