Alert archive / Tennessee / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 9, NWS Memphis, TN

March 11, 1986Crockett County, Gibson County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 11, 1986, 11:34 PM CST for Crockett County, Gibson County, Tennessee. It was in force for 41 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 11, 1986, 11:34 PM CST (05:34 UTC)
Expired: Mar 12, 1986, 12:15 AM CST
In force: 41 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Crockett County, TN, Gibson County, TN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Mar 11, 11:35 PM CST	Thunderstorm Wind 0	Gibson, TN
Mar 12, 12:00 AM CST	Hail 2.5	Crockett, TN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.6 hours before the alert went out and 145 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3618 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 467 m²/s²
0-3 km storm-relative helicity: 635 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMEM 120534
SVRMEM
TNC033-053-120615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1134 PM CST TUE MAR 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1215 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

TENNESSEE...CROCKETT AND GIBSON

AT 1125 PM CST A SEVERE THUNDERSTORM WAS LOCTAED JUST SOUTH-
WEST OF TRENTON IN GIBSON COUNTY TENNESSEE. THIS SEVERE
THUNDERSTORM IS PRODUCING STRONG GUSTY WINDS AND LARGE HAIL
AS IT MOVES EAST NORTHEAST AT 50 MILES AN HOUR.

 THIS IS A DANGEROUS STORM.  TAKE COVER IMMEDIATELY !

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.

In the hours before

Special weather statement, Mar 11, 7:59 PM CST, 3 hours 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  MEMPHIS TN
800 PM CST TUE MAR 11 1986

    ... STRONG THUNDERSTORMS RACE ACROSS THE MID-SOUTH ...

AT 800 PM CST A STRONG THUNDERSTORM WAS INDICATED BY THE MEMPHIS RADAR
TO BE NEAR COVINGTON TENNESSEE.  THIS THUNDERSTORM IS MOVING NORTHEAST
AT 45 MILES AN HOUR AND IS LIKELY PRODUCING SMALL HAIL AND STRONG GUSTY
WINDS.

AS THIS STORM CONTINUES TO MOVE RAPIDLY NORTHEAST..RESIDENTS OF
HAYWOOD.3.CROCKETT..MADISON..AND GIBSON COUNTIES OF WEST TENNESSEE
SHOULD REMAIN ALERT FOR POSSIBLE DAMAGING WINDS BRIEF HEAVY RAIN AND
SMALL HAIL UNTIL 900 PM CST TONIGHT.

CONTINUE TO MONITOR THIS STATION FOR THE LATEST WEATHER INFORMATION.

Local storm report, Mar 11, 10:06 PM CST, 1 hour 28 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE  MEMPHIS TN
1000 PM CST TUE MAR 11 1986

    9:38 PM...SIGNIFICANT WIND DAMAGE AND POSSIBLE TORNADO AT WYNNE
    AR. ( CROSS CTY).  POWER LINES CUT DOWN AT GROUND LEVEL.
    9:55 PM...GOLF BALL SIZE HAIL IN EASTERN POINSETT CTY OF AR.
    9:58 PM...POWER OUT IN CRITTENDEN CNTY AR.

Local storm report, Mar 11, 10:29 PM CST, 1 hour 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE  MEMPHIS TN
1028 PM CST TUE MAR 11 1986

    9:38 PM...SIGNIFICANT WIND DAMAGE AND POSSIBLE TORNADO AT WYNNE
    AR. ( CROSS CTY).  POWER LINES CUT DOWN AT GROUND LEVEL.
    9:55 PM...GOLF BALL SIZE HAIL IN EASTERN POINSETT CTY OF AR.
    9:58 PM...POWER OUT IN CRITTENDEN CNTY AR.

    ..NEW INFORMATION.. PERSONAL INJURIES IN CROSS COUNTY OF
    ARKANSAS AND DAMAGE TO THE WYNNE JR. HIGH SCHOOL (CROSS CTY AR.)

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 10:54 PM CST	Severe Thunderstorm Warning	MEG	Crockett, Haywood, Lauderdale	36 min
Mar 11, 11:27 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	33 min
Mar 11, 11:56 PM CST	Severe Thunderstorm Warning	MEG	Henry, Weakley	64 min
Mar 12, 1:12 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Henry, Weakley	48 min
Mar 12, 1:35 AM CST	Severe Thunderstorm Warning	MEG	Fayette, Shelby	60 min
Mar 12, 2:29 AM CST	Severe Thunderstorm Warning	MEG	Chester, Hardeman, McNairy	61 min
Mar 12, 3:03 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Gibson	42 min
Mar 12, 3:25 AM CST	Severe Thunderstorm Warning	MEG	Decatur, Hardin, Henderson	65 min
Mar 12, 3:25 AM CST	Severe Thunderstorm Warning	MEG	McNairy	65 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1986 Every severe thunderstorm warning in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.