Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

May 9, 2021Tishomingo County, Mississippi

NWS Memphis, TN issued this special weather statement at May 9, 2021, 7:28 PM CDT for Tishomingo County, Mississippi. It was in force for 32 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: May 9, 2021, 7:28 PM CDT (00:28 UTC)
Expired: May 9, 2021, 8:00 PM CDT
In force: 32 min
Issued by: NWS Memphis, TN

County Tishomingo County, MS

The radar

The Columbus AFB radar (KGWX), 83 km from the middle of the area, began a volume at 00:30 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

Birmingham, AL (KBMX), launched 00:00Z, 0.5 hours before the alert went out and 214 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: 436 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1408 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.9

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 May 9, 6:31 PM CDT, 57 minutes earlier.

Area forecast discussion, May 9, 6:31 PM CDT, 57 minutes before

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Hazardous weather outlook, May 9, 3:27 PM CDT, 4 hours 1 minute before

Hazardous Weather Outlook
National Weather Service Memphis TN
327 PM CDT Sun May 9 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-102230-
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 PM CDT Sun May 9 2021

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 has been issued. See website for
details.

Scattered thunderstorms will develop this evening along and ahead
of a slow-moving cold front. These thunderstorms will be capable
of producing large hail, damaging winds, and a few brief
tornadoes. Localized flash flooding will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed this evening.

In the hours before

Local storm report, May 9, 5:21 PM CDT, 2 hours 7 minutes before

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Local storm report, May 9, 5:25 PM CDT, 2 hours 3 minutes before

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Local storm report, May 9, 6:02 PM CDT, 1 hour 26 minutes before

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Local storm report, May 9, 6:03 PM CDT, 1 hour 25 minutes before

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Local storm report, May 9, 6:30 PM CDT, 58 minutes before

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Local storm report, May 9, 6:54 PM CDT, 34 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
May 9, 7:05 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Lafayette, Lee, Pontotoc, Union	40 min
May 9, 7:18 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Yalobusha	27 min
May 9, 7:21 PM CDT	Special Weather Statement	MEG	Coahoma, Quitman	24 min
May 9, 7:28 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Monroe, Pontotoc, Union	67 min
May 9, 7:44 PM CDT	Severe Thunderstorm Warning	MEG	Tishomingo	16 min
May 9, 7:45 PM CDT	Areal Flood Advisory	MEG	Coahoma, Panola, Quitman, Tallahatchie	2 hr

Nearby

Special Weather Statements in Mississippi, 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.