Alert archive / Tennessee / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 112, NWS Atlanta, GA

June 25, 1988Hamilton County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 1988, 4:48 PM EDT for Hamilton County, Tennessee. It was in force for 42 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: Jun 25, 1988, 4:48 PM EDT (20:48 UTC)
Expired: Jun 25, 1988, 5:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Hamilton 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
Jun 25, 5:15 PM EDT	Thunderstorm Wind 0	Hamilton, 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 167 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: NaN m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 21 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 KCHA 252051
SVRCHA
TNC065-252130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
448 PM EDT SAT JUN 25 1988
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST TENNESSEE
          ...NORTHERN HAMILTON
 
AT 440 PM EDT THE WEATHER RADAR INDICATE A SEVERE THUNDERSTORM
OVER THE SODDY-DAISY AND SALE CREEK AREA OF HAMILTON
COUNTY.  THE THUNDERSTORM INDICATED LITTLE MOVEMENT AND IF
ANY SLOWLY SOUTHEASTWARD AT AROUND 6 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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

Local storm report, Jun 25, 1:43 PM EDT, 3 hours 5 minutes before

LOCAL STORM REPORT...UPDATE TO 6/24/88
NATIONAL WEATHER SERVICE MACON GA
1340 PM EDT SAT JUN 25 1988

COUNTY..... LAURENS...FIRS 175
SOURCE..... RURUL ELECTRIC COOP (LITTLE OCMULGEE)
TIME......  AROUND 700 PM EDT
LOCATION... HWY 19 SOUTH OF DUBLIN
TYPE STORM. SEVERE THUNDERSTORM.
DAMAGE..... SEVERAL LOCATIONS ALONG THE HWY...TREES AND POWER
            LINES DOWN. POWER JUST RESTORED THIS MORNING.
WARNINGS... SVR FROM 637 TO 715 PM EDT

Special weather statement, Jun 25, 4:43 PM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
445 PM EDT SAT JUN 25 1988

...WIDELY SCATTERED THUNDERSTORMS ARE DEVELOPING OVER WEST CENTRAL
   GEORGIA THIS SATURDAY AFTERNOON...

WIDELY SCATTERED THUNDERSTORMS...SOME VERY STRONG...WERE DEVELOPING
OVER WEST CENTRAL GEORGIA THIS AFTERNOON.  AT 445 PM THIS AFTERNOON
THE THUNDERSTORMS WERE LOCATED WEST OF ATLANTA BETWEEN CARROLTON AND
LAGRANGE IN CARROL...HEARD AND COWETA COUNTIES. THE STRONGEST OF THESE
THUNDERSTORMS WAS SOUTHWEST OF NEWNAN ABOUT 10 MILES. THE THUNDERSTORMS
WERE MOVING VERY LITTLE.

THESE THUNDERSTORMS HAVE DEVELOPED FROM THE INTENSE AFTERNOON HEATING.
THE OUTFLOW OF RAIN-COOLED AIR FROM THESE STORMS COULD PRODUCE A BRIEF
PERIOD OF STRONG GUSTY WINDS. SMALL HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING...AND SOME BRIEF HEAVY DOWNPOURS ARE ALSO LIKELY WITH A FEW
OF THESE STORMS.
<
THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER WEST CENTRAL GEORGIA
...INCLUDING THE WESTERN PORTIONS OF METROPOLOTIAN ATLANTA...
INTO THE EVENING HOURS BEFORE DIMINISHING LATE IN THE EVENING.
PERSONS SHOULD STAY ALERT TO DEVELOPING WEATHER AND OBSERVE LIGHTNING
RULES.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 5:50 PM EDT	Severe Thunderstorm Warning	FFC	Bledsoe	40 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1988 Every severe thunderstorm warning in 1988

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.