Severe Thunderstorm Warning 162, NWS Memphis, TN

Area Forecast Discussion
National Weather Service Memphis TN
305 PM CDT Sat May 21 2022

.DISCUSSION...

It's a warm and muggy Saturday across the Mid-South. A frontal
system to our west continues a slow progression towards the area
with storms actively developing across much of the area at this
hour some of which have been strong to severe. So far we've seen
generally pea to penny sized hail with some storms. The
atmosphere remains unstable across much of the Mid- South with
high SBCAPE values, steep ML lapse rates, and low 70 dewpoints.
Latest GLM satellite data shows decent lightning activity with
storms this afternoon. A Severe Thunderstorm Watch has been issued
for all of northeast AR, much of West TN, and two far northwest
MS counties until 10 PM this evening. Unfortunately, storms will
put a damper on any outdoor activities through the remainder of
the afternoon through tonight across the Mid-South.

Highest potential for showers and storms today will be late this
evening through the overnight hours in the vicinity of a cold front.
Damaging winds and heavy rainfall still look to be the primary
threats with hail as a secondary threat. No major changes to the
severe or excessive rainfall outlooks for the Mid-South for today.
Areas along and west of the MS River are in a Slight Risk for severe
thunderstorms and Slight Risk for excessive rainfall. Given, the
slow nature of this system, upper level flow nearly parallel to
frontal boundary and an unstable environment, localized heavy
rainfall resulting in flash flooding is a high possibility. 1 to 2
inches with locally higher amounts are forecast along and west of
the MS River with around 1 inch elsewhere. So far the flooding
threat has not been an issue but certainly bears watching.

The front will finally push through the area Sunday morning though
rain chances may linger. We'll see a brief respite on Monday but
this will be short lived as the frontal boundary will lift back
north as a warm front bringing more rain to the area. An unsettled
weather pattern will remain in place for a good portion of next
week.Though the next timeframe of interest will be Tuesday through
Thursday. Another upper level trough and rotating shortwaves will
track northeast across the MS Valley Region bringing more showers
and storms to the area. Too early for specifics but definitely
something to monitor.

17

&&

.AVIATION...18z TAFs

Showers and thunderstorms are beginning to pop up across much of
the Midsouth as temperatures climb into the upper 80s. A storm
could pop up and impact any TAF site resulting in brief periods of
diminished visibility and gusty wind, however prevailing
conditions should be MVFR or better this afternoon. A more
predictable line of thunderstorms is expected to move across the
Midsouth this evening into the overnight hours. Attempted to TEMPO
the passage of this line at JBR, MEM and MKL with MVFR visibility
and IFR cigs. A cold front will sweep across the Midsouth tonight
bring north wind to JBR then MEM and MKL. Cigs will likely lower
to IFR levels along or just behind the front. Conditions will
gradually improve tomorrow.

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...None.
MO...None.
MS...None.
TN...None.
&&

Hazardous Weather Outlook
National Weather Service Memphis TN
307 PM CDT Sat May 21 2022

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-222215-
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-
307 PM CDT Sat May 21 2022

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

.DAY ONE...This Afternoon and Tonight

A Severe Thunderstorm Watch is in effect until 10 PM this evening
for all of northeast Arkansas, most of West Tennessee and a small
portion of northwest Mississippi.
A Marginal to Sight Risk of severe weather and excessive rainfall
exists for the Mid South this afternoon into this evening. The
primary threat will be heavy rain, damaging winds, and hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Periods thunderstorms will be possible across the Mid-South each
day through Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon into this evening.

Special Weather Statement
National Weather Service Memphis TN
307 PM CDT Sat May 21 2022

MSZ001-212030-
DeSoto MS-
307 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of northwestern DeSoto
County through 330 PM CDT...

At 307 PM CDT, Doppler radar was tracking a strong thunderstorm over
Lake Cormorant, or 10 miles southwest of Horn Lake, moving northeast
at 10 mph.

HAZARD...Winds in excess of 40 mph and nickel 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...
Southaven, Horn Lake, Walls, Eudora, Lake Cormorant, Lynchburg,
Newport, West Days, Trinity, Alden, Twin Lakes and Glover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Mississippi.

&&

LAT...LON 3499 9017 3493 8997 3479 9017 3481 9020
      3486 9020 3486 9025
TIME...MOT...LOC 2007Z 218DEG 7KT 3487 9019

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

Special Weather Statement
National Weather Service Memphis TN
315 PM CDT Sat May 21 2022

MSZ001-007-008-212045-
Tunica MS-DeSoto MS-Tate MS-
315 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of southwestern DeSoto,
east central Tunica and northwestern Tate Counties through 345 PM
CDT...

At 314 PM CDT, Doppler radar was tracking a strong thunderstorm over
Phillipp, or 11 miles southwest of Hernando, moving northeast at 25
mph.

HAZARD...Winds in excess of 30 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...
Hernando, Eudora, Phillipp, Robinson Gin, Prichard, Trinity and Frees
Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Mississippi.

&&

LAT...LON 3467 9022 3473 9028 3490 9013 3477 8996
TIME...MOT...LOC 2014Z 229DEG 20KT 3476 9017

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

Special Weather Statement
National Weather Service Memphis TN
339 PM CDT Sat May 21 2022

TNZ004-212100-
Henry TN-
339 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of northeastern Henry
County through 400 PM CDT...

At 339 PM CDT, Doppler radar was tracking a strong thunderstorm over
Paris Landing State Park, moving east at 40 mph.

HAZARD...Winds in excess of 40 mph and nickel 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...
Paris Landing State Park, Pine Hill and Buchanan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west Tennessee.

&&

LAT...LON 3637 8817 3650 8826 3650 8806 3647 8805
      3645 8806 3644 8806 3643 8804 3639 8802
TIME...MOT...LOC 2039Z 251DEG 36KT 3647 8812

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

Special Weather Statement
National Weather Service Memphis TN
342 PM CDT Sat May 21 2022

TNZ002-003-212115-
Weakley TN-Obion TN-
342 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of northwestern Weakley
and northeastern Obion Counties through 415 PM CDT...

At 342 PM CDT, Doppler radar was tracking a strong thunderstorm over
Union City, moving northeast at 20 mph.

HAZARD...Winds in excess of 40 mph and nickel 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...
Union City, Fulton, South Fulton, Troy, Woodland Mills, Rives, Gibbs,
Moffatt, Ruthville, Shaffner, Terrell, McConnell and McCutchen
Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
west Tennessee.

&&

LAT...LON 3649 8869 3628 8909 3642 8918 3650 8907
      3650 8871
TIME...MOT...LOC 2042Z 240DEG 19KT 3642 8904

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

Special Weather Statement
National Weather Service Memphis TN
349 PM CDT Sat May 21 2022

ARZ028-TNZ048-212115-
Mississippi AR-Lauderdale TN-
349 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of central Mississippi
and northwestern Lauderdale Counties through 415 PM CDT...

At 349 PM CDT, Doppler radar was tracking a strong thunderstorm over
Osceola, moving northeast at 35 mph.

HAZARD...Winds in excess of 30 mph and penny 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...
Blytheville, Osceola, Luxora, Burdette, Ashport, Driver, Lens Ford,
O'Donnell Bend, Grider, Tomato, Moran, Tuckertown, Rosa, Golddust,
Burton, Rotan, Chilson, Keyes Port and Sans Souci.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
eastern Arkansas...and west Tennessee.

&&

LAT...LON 3558 8999 3569 9008 3594 8985 3577 8966
TIME...MOT...LOC 2049Z 226DEG 29KT 3568 8998

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH

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