Alert archive / Tennessee / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 95, NWS Memphis, TN

May 30, 20135 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 30, 2013, 7:10 PM CDT for 5 counties in Tennessee. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 30, 2013, 7:10 PM CDT (00:10 UTC)
Expired: May 30, 2013, 7:45 PM CDT
In force: 35 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Carroll County, TN, Crockett County, TN, Gibson County, TN, Madison County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 116 km from the middle of the area, began a volume at 00:10 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 00:00Z, 0.2 hours before the alert went out and 200 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: 713 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1393 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 30, 6:25 PM CDT, 45 minutes earlier.

Area forecast discussion, May 30, 6:25 PM CDT, 45 minutes before

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Hazardous weather outlook, May 30, 3:55 PM CDT, 3 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
355 PM CDT THU MAY 30 2013

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-312300-
ALCORN-BENTON MS-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-LAWRENCE-LEE AR-LEE MS-MADISON-
MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT-
PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY-
ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA-
UNION-WEAKLEY-YALOBUSHA-
355 PM CDT THU MAY 30 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TONIGHT

AN UPPER LEVEL SHORTWAVE WILL MOVE ACROSS THE MIDSOUTH TONIGHT.
NUMEROUS SHOWERS AND THUNDERSTORMS WILL MOVE INTO NORTHEAST
ARKANSAS AND THE MISSOURI BOOTHEEL THIS EVENING WHERE THERE IS A
SLIGHT RISK FOR SEVERE STORMS. DAMAGING WINDS AND LARGE HAIL ARE
THE MAIN THREATS. THE THREAT OF SEVERE WEATHER WILL CONTINUE UNTIL
ABOUT MIDNIGHT.

ELSEWHERE...EXPECT ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS
WITH STRONG STORMS POSSIBLE THIS EVENING. GUSTY WINDS TO 40 MPH
AND SMALL HAIL ARE THE THREATS FROM ANY STRONG STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A MESOSCALE CONVECTIVE SYSTEM MAY DEVELOP ACROSS MISSOURI FRIDAY
EVENING AND MOVE INTO NORTHEAST ARKANSAS...THE MISSOURI
BOOTHEEL...AND NORTHWEST TENNESSEE LATE FRIDAY NIGHT INTO SATURDAY
MORNING. THERE IS A SLIGHT RISK FOR SEVERE STORMS CAPABLE OF
PRODUCING DAMAGING WINDS AND LARGE HAIL. HEAVY RAIN WILL ALSO BE
POSSIBLE AND COULD PRODUCE LOCALIZED FLASH FLOODING.

A COLD FRONT WILL PUSH INTO THE MIDSOUTH LATE SATURDAY AFTERNOON
INTO SATURDAY NIGHT. THERE IS A SLIGHT RISK FOR SEVERE STORMS
ACROSS EASTERN ARKANSAS...THE MISSOURI BOOTHEEL...WEST TENNESSEE
AND NORTHWEST MISSISSIPPI. THE MAIN THREATS FROM THESE STORMS
WILL BE DAMAGING WINDS...LARGE HAIL AND AN ISOLATED TORNADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING ACROSS NORTHEAST
ARKANSAS AND THE MISSOURI BOOTHEEL.

SPOTTER ACTIVATION MAY BE NEEDED LATE FRIDAY NIGHT ACROSS
NORTHEAST ARKANSAS...THE MISSOURI BOOTHEEL...AND NORTHWEST
TENNESSEE.

IN ADDITION...SPOTTER ACTIVATION MAY ALSO BE NEEDED SATURDAY
AFTERNOON INTO SATURDAY NIGHT ACROSS EASTERN ARKANSAS...THE
MISSOURI BOOTHEEL...WEST TENNESSEE...AND NORTHWEST MISSISSIPPI.

SJM

In the hours before

Local storm report, May 30, 6:32 PM CDT, 38 minutes before

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Local storm report, May 30, 6:36 PM CDT, 34 minutes before

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Special weather statement, May 30, 6:39 PM CDT, 31 minutes before

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Special weather statement, May 30, 6:48 PM CDT, 22 minutes before

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Special weather statement, May 30, 6:57 PM CDT, 13 minutes before

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Local storm report, May 30, 7:05 PM CDT, 5 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 30, 7:32 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Henry, Obion, Weakley	58 min
May 31, 5:32 AM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	43 min
May 31, 6:59 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
May 31, 3:44 PM CDT	Flash Flood Watch	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 12 more	23 hr
May 30, 7:23 PM CDT	Special Weather Statement	MEG	Phillips	52 min
May 30, 7:35 PM CDT	Special Weather Statement	MEG	Clay, Greene	40 min
May 30, 7:42 PM CDT	Special Weather Statement	MEG	St. Francis	33 min
May 30, 8:22 PM CDT	Special Weather Statement	MEG	Cross	38 min
May 31, 12:08 AM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	37 min
May 31, 12:39 AM CDT	Severe Thunderstorm Warning	MEG	Lee, St. Francis	51 min
May 31, 12:49 AM CDT	Tornado Warning	MEG	Lee, St. Francis	26 min
May 31, 4:05 AM CDT	Flash Flood Watch	MEG	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more	3 hr
May 31, 4:05 AM CDT	Flash Flood Warning	MEG	Cross, Poinsett	4 hr
May 31, 5:10 AM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Poinsett	4 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2013 Every severe thunderstorm warning in 2013

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.