Alert archive / Tennessee / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 39, NWS Memphis, TN

July 14, 1986Hardeman County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jul 14, 1986, 7:33 PM CDT for Hardeman County, Tennessee. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1986, 7:33 PM CDT (00:33 UTC)
Expired
Jul 14, 1986, 8:15 PM CDT
In force
42 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Hardeman County, TN

The radar

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 97 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-pSkew-T log-p diagram, Little Rock, AR at 00:00Z on 1986-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 1986-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
3578 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
12 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 
TTAAOO KMEM 150033
SVRMEM
TNC069-150130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
733 PM CDT MON JUL 14 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  815 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN WEST TENNESSEE
          .. NORTHERN HARDEMAN

AT 735 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM ON THE
HAYWOOD-FAYETTE COUNTY LINE BETWEEN BROWNSVILLE TENNESSEE AND
SUMMERVILLE TENNESSEE. THIS SEVERE THUNDERSTORM IS MOVING TOWARD THE
EAST SOUTHEAST AT 25 MPH.
 
THIS SEVERE THUNDERSTORM CONTAINS HEAVY RAIN..STRONG AND GUSTY
WIND..HAIL..AND DANGEROUS LIGHTNING.

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, Jul 14, 5:22 PM CDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  MEMPHIS TN
515 PM CDT MON JUL 14 1986

          ... STRONG THUNDERSTORMS AFFECT THE MID-SOUTH ...

STRONG THUNDERSTORMS WERE MOVING ACROSS THE MID-SOUTH DURING THE
LATE AFTERNOON HOURS. AT 5PM THE HEAVIEST OF THESE STORMS WERE
LOCATED IN NORTHEAST ARKANSAS SOUTH AND EAST OF JONESBORO AND ACROSS
NORTHWEST TENNESEE NEAR UNION CITY.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS..BRIEF BUT VERY
HEAVY RAIN..DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL. MID-SOUTH
RESIDENTS ARE URGED TO TAKE SHELTER INSIDE A BUILDING IF THUNDERSTORMS
APPROACH.

REMEMBER..LIGHTNING FATALITIES ARE AT A PEAK DURING THE SUMMER MONTHS.

FOR THE NEXT HOUR OR SO THESE THUNDERSTORMS IN ARKANSAS WILL AFFECT
POINSETT..CROSS..MISSISSIPPI..AND CRITTENDEN COUNTIES. THE STRONG
THUNDERSTORMS IN NORTHWEST TENNESSEE WILL AFFECT WEAKLEY..GIBSON..
DYER..AND CROCKETT COUNTIES.

THUNDERSTORM ACTIVITY WILL CONTINUE ACROSS THE MID-SOUTH UNTIL A FEW
HOURS AFTER SUNSET.
Special weather statement, Jul 14, 6:41 PM CDT, 52 minutes before
SPECIAL STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE  MEMPHIS TN
535PM CDT MON JUL 14 1986

      ... STRONG THUNDERSTORMS MOVING INTO WEST TENNESSEE ..

AT 530 PM CDT RADAR INDICATED NUMEROUS VERY HEAVY THUNDERSTORMS
ACROSS EXTREME NORTHEAST ARKANSAS..SOUTHERN PORTIONS OF THE
MISSOURI BOOTHEEL AND NORTH PORTIONS OF WEST TENNESSEE.

THE STRONGEST THUNDERSTORMS WERE LOCATED IN AN AREA JUST EAST OF
BLYTHEVILLE ON THE MISSISSIPPI RIVER TO NEAR HALLS TENNESSEE WHICH
IS ABOUT 10 MILES SOUTH OF DYERSBURG TO NEAR ALAMO IN WEST TENNESSEE.
THESE STORMS CONTAIN BRIEF HEAVY RAIN..STRONG WIND..SMALL HAIL AND
DANGEROUS LIGHTNING. STORMS ARE MOVING TOWARD THE EAST AT 25 MPH.

SHOULD A THUNODERSTORM APPROCH MOVE INDOORS..LIGHTNING IS A KILLER.

THE BRIEF HEAVY RAIN WILL LIKELY PRODUCE PONDING OF WATER ON POORLY
DRAINED ROADS AND HIGHWAYS..MOTORISTS ARE URGED TO EXERCISE CAUTION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:59 PM CDTSevere Thunderstorm WarningMEGFayette46 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1986Every 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; the sounding from the Mesonet's radiosonde archive.