Alert archive / Tennessee / Special Weather Statements in 2020

Special Weather Statement, NWS Memphis, TN

April 8, 2020Hardin County, Tennessee

NWS Memphis, TN issued this special weather statement at Apr 8, 2020, 4:02 PM CDT for Hardin County, Tennessee. It was in force for 43 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: Apr 8, 2020, 4:02 PM CDT (21:02 UTC)
Expired: Apr 8, 2020, 4:45 PM CDT
In force: 43 min
Issued by: NWS Memphis, TN

County Hardin County, TN

The radar

The Memphis radar (KNQA), 145 km from the middle of the area, began a volume at 21:05 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, 9.0 hours before the alert went out and 164 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: 824 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1071 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

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 Apr 8, 3:36 PM CDT, 26 minutes earlier.

Area forecast discussion, Apr 8, 3:36 PM CDT, 26 minutes before

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</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, Apr 8, 4:09 AM CDT, 11 hours 53 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
409 AM CDT Wed Apr 8 2020

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-091115-
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-
409 AM CDT Wed Apr 8 2020

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 an Enhanced Risk for severe thunderstorms tonight through
early Thursday morning across Northeast Arkansas, the Missouri
Bootheel, and West Tennessee. A Slight Risk remains in effect
across portions of North Mississippi. The primary threats include
large hail and damaging winds. Tornadoes and localized heavy
rainfall will be secondary threats.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Wednesday afternoon through early
Thursday morning. 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, Apr 8, 2:48 PM CDT, 1 hour 14 minutes before

Special Weather Statement
National Weather Service Memphis TN
248 PM CDT Wed Apr 8 2020

TNZ052>054-082015-
Henderson TN-Chester TN-Madison TN-
248 PM CDT Wed Apr 8 2020

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 315 PM CDT
FOR...

Southwestern Henderson County in western Tennessee...
Northern Chester County in western Tennessee...
Southeastern Madison County in western Tennessee...

At 247 PM CDT...a strong thunderstorm producing pea to dime size
hail and winds to 35 mph was located near Bemis, or 7 miles north of
Chickasaw State Park, moving east at 15 mph.

People in southwestern Henderson...northern Chester and southeastern
Madison Counties should monitor this storm closely.

LAT...LON 3545 8844 3542 8884 3543 8884 3543 8885
      3554 8890 3565 8851
TIME...MOT...LOC 1947Z 253DEG 13KT 3551 8880

Special weather statement, Apr 8, 4:02 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Memphis TN
Issued by National Weather Service Memphis TN
402 PM CDT Wed Apr 8 2020

TNZ053-091-092-082145-
Chester TN-McNairy TN-Hardin TN-
402 PM CDT Wed Apr 8 2020

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 445 PM CDT
FOR...

East central Chester County in western Tennessee...
Northeastern McNairy County in western Tennessee...
Northwestern Hardin County in western Tennessee...

At 402 PM CDT...a strong thunderstorm producing penny size hail and
winds at least 50 mph was located near Morris Chapel, or 14 miles
east of Henderson, moving southeast at 20 mph.

Very heavy rain is also possible with this thunderstorm.

People in east central Chester...northeastern McNairy and
northwestern Hardin Counties should monitor this storm closely.

LAT...LON 3518 8823 3535 8850 3546 8843 3545 8836
      3542 8836 3542 8823 3541 8823 3540 8821
      3538 8820 3539 8817 3538 8812
TIME...MOT...LOC 2102Z 293DEG 16KT 3538 8841

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 2:48 PM CDT	Special Weather Statement	MEG	Chester	27 min
Apr 8, 3:09 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardin, Henderson, McNairy, Madison	51 min
Apr 8, 3:13 PM CDT	Severe Thunderstorm Warning	MEG	Decatur, Henderson	47 min
Apr 8, 4:28 PM CDT	Special Weather Statement	MEG	Hardin	47 min

Nearby

Special Weather Statements in Tennessee, 2020 Every special weather statement in 2020

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.