Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 214, NWS Memphis, TN

August 10, 20155 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Aug 10, 2015, 4:14 AM CDT for 5 counties in Tennessee. It was in force for 46 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: Aug 10, 2015, 4:14 AM CDT (09:14 UTC)
Expired: Aug 10, 2015, 5:00 AM CDT
In force: 46 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Carroll County, TN, Gibson County, TN, Henry County, TN, Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 98 km from the middle of the area, began a volume at 09:17 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 (KBYH), launched 00:00Z, 9.2 hours before the alert went out and 188 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: 2688 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1602 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 10.2

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 Aug 9, 11:44 PM CDT, 4 hours 30 minutes earlier.

Area forecast discussion, Aug 9, 11:44 PM CDT, 4 hours 30 minutes before

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Hazardous weather outlook, Aug 10, 3:50 AM CDT, 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
350 AM CDT MON AUG 10 2015

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-111100-
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-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-
350 AM CDT MON AUG 10 2015

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

.DAY ONE...TODAY AND TONIGHT

HEAT INDICES MAY EXCEED 105 DEGREES THIS AFTERNOON...MAINLY
SOUTHWEST OF A HARRISBURG ARKANSAS TO MEMPHIS TO CORINTH
MISSISSIPPI LINE.

THERE IS A MARGINAL RISK FOR SEVERE THUNDERSTORMS NORTHEAST OF
HARRISBURG ARKANSAS TO MEMPHIS TO CORINTH MISSISSIPPI LINE.
DAMAGING WINDS AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. HOWEVER...
STORM REPORTS ARE ENCOURAGED AND MAY BE RELAYED TO THE NATIONAL
WEATHER SERVICE THROUGH THE NWS MEMPHIS WEBSITE OR THROUGH SOCIAL
MEDIA.

PWB

In the hours before

Special weather statement, Aug 10, 2:26 AM CDT, 1 hour 48 minutes before

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Special weather statement, Aug 10, 3:00 AM CDT, 1 hour 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
300 AM CDT MON AUG 10 2015

ARZ009-018-028-MOZ113-115-TNZ019-100845-
MISSISSIPPI AR-GREENE AR-CLAY AR-PEMISCOT MO-DUNKLIN MO-DYER TN-
300 AM CDT MON AUG 10 2015

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL UNTIL 345 AM CDT FOR...

NORTHEASTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
NORTHEASTERN GREENE COUNTY IN EASTERN ARKANSAS...
SOUTHEASTERN CLAY COUNTY IN EASTERN ARKANSAS...
SOUTHWESTERN PEMISCOT COUNTY IN SOUTHEASTERN MISSOURI...
DUNKLIN COUNTY IN SOUTHEASTERN MISSOURI...
WESTERN DYER COUNTY IN NORTHWEST TENNESSEE...

AT 300 AM CDT...A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH
WAS LOCATED NEAR CLARKTON...OR NEAR CAMPBELL...MOVING SOUTHEAST AT 45
MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN NORTHEASTERN MISSISSIPPI...NORTHEASTERN GREENE...
SOUTHEASTERN CLAY...SOUTHWESTERN PEMISCOT...DUNKLIN AND WESTERN DYER
COUNTIES SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3652 8998 3625 8995 3600 8973 3600 9016
      3641 9028
TIME...MOT...LOC 0800Z 315DEG 38KT 3646 9003

Special weather statement, Aug 10, 3:43 AM CDT, 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
343 AM CDT MON AUG 10 2015

ARZ009-018-028-MOZ113-115-TNZ001-002-019-020-048-051-100930-
MISSISSIPPI AR-GREENE AR-CLAY AR-PEMISCOT MO-DUNKLIN MO-
LAUDERDALE TN-LAKE TN-DYER TN-GIBSON TN-CROCKETT TN-OBION TN-
343 AM CDT MON AUG 10 2015

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL UNTIL 430 AM CDT FOR...

NORTHEASTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
NORTHEASTERN GREENE COUNTY IN EASTERN ARKANSAS...
SOUTHEASTERN CLAY COUNTY IN EASTERN ARKANSAS...
PEMISCOT COUNTY IN SOUTHEASTERN MISSOURI...
SOUTHEASTERN DUNKLIN COUNTY IN SOUTHEASTERN MISSOURI...
LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...
LAKE COUNTY IN NORTHWEST TENNESSEE...
DYER COUNTY IN NORTHWEST TENNESSEE...
SOUTHWESTERN GIBSON COUNTY IN NORTHWEST TENNESSEE...
NORTHWESTERN CROCKETT COUNTY IN NORTHWEST TENNESSEE...
SOUTHWESTERN OBION COUNTY IN NORTHWEST TENNESSEE...

AT 342 AM CDT...A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH
WAS LOCATED OVER COTTONWOOD GROVE...OR 7 MILES EAST OF
CARUTHERSVILLE...MOVING SOUTHEAST AT 50 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN NORTHEASTERN MISSISSIPPI...NORTHEASTERN GREENE...
SOUTHEASTERN CLAY...PEMISCOT...SOUTHEASTERN DUNKLIN...LAUDERDALE...
LAKE...DYER...SOUTHWESTERN GIBSON...NORTHWESTERN CROCKETT AND
SOUTHWESTERN OBION COUNTIES SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3594 8894 3580 8935 3582 8936 3582 8940
      3577 8943 3557 9001 3620 9020 3636 8956
      3639 8941
TIME...MOT...LOC 0842Z 316DEG 42KT 3620 8954

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 3:12 AM CDT	Excessive Heat Warning	MEG	Calhoun, Coahoma, Quitman, Tallahatchie, Yalobusha	7 hr
Aug 10, 2:58 AM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lake, Obion	47 min
Aug 10, 3:37 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Obion, Weakley	38 min
Aug 10, 3:43 AM CDT	Special Weather Statement	MEG	Dyer, Lake, Lauderdale	47 min
Aug 10, 4:18 AM CDT	Special Weather Statement	MEG	Crockett, Dyer, Gibson, Lauderdale	42 min
Aug 10, 4:55 AM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	50 min
Aug 10, 5:44 AM CDT	Special Weather Statement	MEG	Shelby, Tipton	46 min
Aug 10, 7:32 AM CDT	Areal Flood Advisory	MEG	Fayette, Lauderdale, Shelby, Tipton	118 min
Aug 10, 2:26 AM CDT	Special Weather Statement	MEG	Clay	49 min
Aug 10, 4:20 AM CDT	Special Weather Statement	MEG	Mississippi	40 min
Aug 10, 7:03 AM CDT	Flash Flood Warning	MEG	Clay, Craighead, Greene, Mississippi, Randolph	3 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2015 Every severe thunderstorm warning in 2015

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.