Alert archive / Arkansas / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

July 10, 2021Clay County, Arkansas

NWS Memphis, TN issued this special weather statement at Jul 10, 2021, 10:15 PM CDT for Clay County, Arkansas. It was in force for 30 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: Jul 10, 2021, 10:15 PM CDT (03:15 UTC)
Expired: Jul 10, 2021, 10:45 PM CDT
In force: 30 min
Issued by: NWS Memphis, TN

County Clay County, AR

The radar

The Memphis radar (KNQA), 132 km from the middle of the area, began a volume at 03:18 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 00:00Z, 3.3 hours before the alert went out and 184 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: 1010 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1462 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.9

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 Jul 10, 9:27 PM CDT, 48 minutes earlier.

Area forecast discussion, Jul 10, 9:27 PM CDT, 48 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jul 10, 4:53 AM CDT, 17 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
453 AM CDT Sat Jul 10 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-111200-
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-
453 AM CDT Sat Jul 10 2021

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

.DAY ONE...Today and Tonight

A Marginal to slight risk of severe weather exists for portions of
the Mid South on today and through tonight. Clusters of storms will be
possible with a few storms being strong or severe. Gusty winds
and heavy rain will be the main threats.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A Marginal risk of severe weather exists for portions of
the Mid South on Sunday. Clusters of storms will be possible with
a few storms being strong or severe. Gusty winds and heavy rain
will be the main threats.

A Marginal to Slight risk of excessive rainfall exists for
portions of the Mid South on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Jul 10, 5:30 PM CDT, 4 hours 45 minutes before

Special Weather Statement
National Weather Service Memphis TN
530 PM CDT Sat Jul 10 2021

MSZ004-005-009-102300-
Tippah MS-Alcorn MS-Prentiss MS-
530 PM CDT Sat Jul 10 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 600 PM CDT
FOR...

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

At 530 PM CDT...a strong thunderstorm producing pea size hail or
larger and winds at least 40 mph was located over Jumpertown, or near
Booneville, moving east at 25 mph.

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

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

LAT...LON 3453 8837 3455 8874 3460 8873 3460 8879
      3487 8876 3498 8840 3486 8836 3476 8837
      3474 8833
TIME...MOT...LOC 2230Z 259DEG 23KT 3468 8864

KRM

Local storm report, Jul 10, 7:16 PM CDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
716 PM CDT SAT JUL 10 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0530 PM     TSTM WND DMG     BOONEVILLE              34.66N  88.57W
07/10/2021                   PRENTISS           MS   EMERGENCY MNGR

            NUMEROUS TREES DOWN AND ONE CARPORT DAMAGED FOR ABOUT A
            5 MILE SWATH FROM NORTHEAST OF THE COMMUNITY OF
            BLACKLAND TO NORTHEAST OF BOONEVILLE.

&&

Special weather statement, Jul 10, 10:15 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Memphis TN
1015 PM CDT Sat Jul 10 2021

ARZ009-110345-
Clay AR-
1015 PM CDT Sat Jul 10 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1045 PM CDT
FOR...

Clay County in eastern Arkansas...

At 1015 PM CDT...a strong thunderstorm producing winds in excess of
40 mph was located over Success, or 9 miles west of Corning, moving
east at 30 mph.

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

People in Clay County should monitor this storm closely.

LAT...LON 3650 9016 3648 9016 3648 9014 3644 9013
      3643 9015 3640 9010 3627 9011 3629 9080
      3630 9075 3641 9075 3641 9077 3642 9076
      3643 9078 3643 9077 3644 9078 3649 9077
      3650 9078
TIME...MOT...LOC 0315Z 271DEG 24KT 3643 9076

KRM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 4:23 AM CDT	Special Weather Statement	MEG	Benton, Marshall	37 min
Jul 11, 4:27 AM CDT	Areal Flood Advisory	MEG	DeSoto, Marshall, Tunica	3 hr
Jul 11, 5:09 AM CDT	Flash Flood Warning	MEG	Benton, DeSoto, Marshall	2 hr
Jul 11, 5:40 PM CDT	Special Weather Statement	MEG	Monroe	35 min
Jul 11, 6:15 PM CDT	Special Weather Statement	MEG	Monroe	30 min
Jul 10, 11:21 PM CDT	Special Weather Statement	MEG	Lake	24 min
Jul 10, 11:46 PM CDT	Special Weather Statement	MEG	Dyer, Lake, Obion	44 min
Jul 10, 11:55 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	50 min
Jul 11, 12:24 AM CDT	Severe Thunderstorm Warning	MEG	Crockett, Fayette, Haywood, Lauderdale, Shelby, Tipton	51 min
Jul 11, 12:28 AM CDT	Special Weather Statement	MEG	Dyer, Gibson, Lake, Obion, Weakley	47 min
Jul 11, 1:09 AM CDT	Special Weather Statement	MEG	Carroll, Gibson, Henry, Weakley	51 min
Jul 11, 1:13 AM CDT	Special Weather Statement	MEG	Crockett, Fayette, Haywood, Madison	32 min
Jul 11, 1:18 AM CDT	Special Weather Statement	MEG	Shelby	27 min
Jul 11, 2:52 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
Jul 11, 3:12 AM CDT	Flash Flood Warning	MEG	Shelby	3 hr
Jul 11, 4:15 AM CDT	Areal Flood Advisory	MEG	Fayette, Hardeman	3 hr
Jul 10, 10:34 PM CDT	Severe Thunderstorm Warning	MEG	Clay	41 min
Jul 10, 11:16 PM CDT	Special Weather Statement	MEG	Craighead	29 min
Jul 10, 11:30 PM CDT	Special Weather Statement	MEG	Craighead, Mississippi, Poinsett	45 min
Jul 11, 1:47 AM CDT	Special Weather Statement	MEG	Lee, St. Francis	28 min

Nearby

Special Weather Statements in Arkansas, 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.