Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

June 12, 2021Benton County, Tennessee

NWS Memphis, TN issued this special weather statement at Jun 12, 2021, 2:23 PM CDT for Benton County, Tennessee. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 12, 2021, 2:23 PM CDT (19:23 UTC)
Expired: Jun 12, 2021, 3:00 PM CDT
In force: 37 min
Issued by: NWS Memphis, TN

County Benton County, TN

The radar

The Ft Campbell radar (KHPX), 89 km from the middle of the area, began a volume at 19:27 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

Nashville Metro, TN (KBNA), launched 12:00Z, 7.4 hours before the alert went out and 126 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: 1463 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1034 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 12, 12:04 PM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Jun 12, 12:04 PM CDT, 2 hours 19 minutes before

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Hazardous weather outlook, Jun 12, 3:27 AM CDT, 10 hours 56 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
327 AM CDT Sat Jun 12 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-131030-
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-
327 AM CDT Sat Jun 12 2021

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

.DAY ONE...Today and Tonight

There is a Marginal Risk for severe storms over the Midsouth
through early evening. Primary risks include damaging winds and
localized flash flooding.

Outside of areas affected by thunderstorms, afternoon heat indices
will range 100 to 105 degrees.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

PWB

In the hours before

Local storm report, Jun 12, 8:44 AM CDT, 5 hours 39 minutes before

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Special weather statement, Jun 12, 9:44 AM CDT, 4 hours 39 minutes before

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Special weather statement, Jun 12, 2:23 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Memphis TN
223 PM CDT Sat Jun 12 2021

TNZ004-022-122000-
Benton TN-Henry TN-
223 PM CDT Sat Jun 12 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 300 PM CDT
FOR...

Northern Benton County in western Tennessee...
Southeastern Henry County in western Tennessee...

At 223 PM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located over Springville, or 10
miles east of Paris, moving southeast at 20 mph.

People in northern Benton and southeastern Henry Counties should
monitor this storm closely.

LAT...LON 3613 8792 3608 8795 3606 8821 3631 8821
      3635 8808 3624 8795 3622 8795 3618 8793
      3617 8792
TIME...MOT...LOC 1923Z 325DEG 18KT 3624 8813

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 5:14 PM CDT	Special Weather Statement	MEG	Henry	31 min
Jun 12, 5:27 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Henry	29 min
Jun 12, 5:44 PM CDT	Areal Flood Advisory	MEG	Henry	2 hr
Jun 12, 6:22 PM CDT	Special Weather Statement	MEG	Mississippi	23 min
Jun 12, 6:28 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi	32 min
Jun 12, 6:59 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	46 min

Nearby

Special Weather Statements in Tennessee, 2021 Every special weather statement in 2021

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.