Alert archive / Tennessee / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 13, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 12, 1987, 12:54 AM CDT for Hardeman County, Tennessee. It was in force for 36 min. 1 report 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
- Apr 12, 1987, 12:54 AM CDT (05:54 UTC)
- Expired
- Apr 12, 1987, 1:30 AM CDT
- In force
- 36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 1:05 AM CDT | Hail 0.75 | Hardeman, 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, 5.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3523 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMEM 120554
SVRMEM
TNC069-120630-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1254 AM CDT SUN APR 12 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST TENNESSEE
...HARDEMAN
AT 1252 AM RADAR INDICATED A SEVERE THUNDERSTORM BEGINNING TO MOVE
INTO THE WEST PART OF HARDEMAN COUNTY NEAR NEW CASTLE. THIS
THUNDERSTORM HAS PRODUCED HAIL UP TO ONE-INCH DIAMETER AS IT MOVED
ACROSS SHELBY AND FAYETTE COUNTIES EARLIER TONIGHT. THIS
THUNDERSTORM WILL BE MOVING TOWARD THE CITY OF BOLIVAR DURING THE
NEXT HALF-HOUR.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, Apr 11, 10:31 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1030 PM CDT SAT APR 11 1987
...THUNDERSTORMS IN EAST ARKANSAS CONTINUING TO MOVE EASTWARD AND
WILL BE APPROACHING THE MEMPHIS AREA AROUND MIDNIGHT...
A CLUSTER OF THUNDERSTORMS THAT HAVE HAD A HISTORY OF HAIL FROM
MARBLE SIZE TO ONE INCH ARE EXPECTED TO BEGIN MOVING INTO THE
EAST ARKANSAS COUNTIES OF LEE AND PHILLIPS WITHIN THE HOUR...AND
IF THEY KEEP UP THEIR CURRENT RATE OF MOVEMENT THEY SHOULD BE
APPROACHING THE MEMPHIS AREA NEAR THE MIDNIGHT HOUR.
IF YOU DO EXPERIENCE SEVERE WEATHER...CALL YOUR LAW ENFORCEMENT
AGENCY FOR FURTHER RELAY TO THE NATIONAL WEATHER SERVICE.
STAY TUNED TO THIS STATION FOR FUR THER INFORMATION.Special weather statement, Apr 11, 11:25 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1130 PM CDT SAT APR 11 1987
...THUNDERSTORMS IN EASTERN ARKANSAS ARE APPROACHING MISSISSIPPI
RIVER...
A CLUSTER OF THUNDERSTORMS HAVE REACHED THE COUNTIES OF LEE AND
PHILLIPS IN ARKANSAS AND SHOULD BE MOVING INTO NORTHWEST MISSISSIPPI
AND THE MEMPHIS AREA ABOUT MIDNIGHT.
THE CLUSTER OF THUNDERSTORMS HAD A HISTORY OF HAIL AS THEY MOVED
THROUGH CENTRAL ARKANSAS RAN8GING FROM MARBLE SIZE TO GOLF BALL
SIZE. REPORTS FROM MARIANNA ARKANSAS IN LEE COUNTY INDICATED
HEAVY RAIN AND FREQUENT LIGHTNING.
STAY TUNED TO THIS STATION IN THE EVENT A WARNING BECOMES
NECESSARY.The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 11:45 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 60 min |
| Apr 12, 12:15 AM CDT | Severe Thunderstorm Warning | MEG | Fayette | 45 min |
| Apr 12, 12:40 AM CDT | Severe Thunderstorm Warning | MEG | Tipton | 65 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1987Every severe thunderstorm warning in 1987
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.