Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 74, NWS Atlanta, GA

March 25, 1997Coweta County, Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 25, 1997, 7:42 PM EST for Coweta County, Meriwether County, Georgia. It was in force for 48 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: Mar 25, 1997, 7:42 PM EST (00:42 UTC)
Expired: Mar 25, 1997, 8:30 PM EST
In force: 48 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Coweta County, GA, Meriwether County, GA

The radar

The Atlanta radar (KFFC), 24 km from the middle of the area, began a volume at 00:44 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.

What was reported inside it

Time	Report	Where	Remark
Mar 25, 7:55 PM EST	Thunderstorm Wind	Grantville, GA

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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.7 hours before the alert went out and 28 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: 231 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1497 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 260044 RRA
SVRATL
GAC077-199-260130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
742 PM EST TUE MAR 25 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...COWETA COUNTY
 
IN WEST CENTRAL GEORGIA
 
   ...NORTHERN MERIWETHER COUNTY
 
AT 743 PM EST...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST OF
GRANTVILLE MOVING TO THE NORTHEAST AT 30 MPH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, Mar 25, 5:30 PM EST, 2 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
530 PM EST TUE MAR 25 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

510 PM     RAYLE                     GA   1.75 inch hail
3/25/97    WILKES                         TREES BLOWN DOWN
                                          SHINGLES BLOWN OFF STORE

Local storm report, Mar 25, 5:47 PM EST, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
530 PM EST TUE MAR 25 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....
 
510 PM     RAYLE                     GA   1.75 inch hail
3/25/97    WILKES                         TREES BLOWN DOWN
                                          SHINGLES BLOWN OFF STORE

Local storm report, Mar 25, 7:26 PM EST, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
530 PM EST TUE MAR 25 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

510 PM     RAYLE                     GA   1.75 inch hail
3/25/97    WILKES                         TREES BLOWN DOWN
                                          SHINGLES BLOWN OFF STORE

710 PM     0.5NW MONROE              GA   0.75 inch hail
3/25/97    WALTON                         DIME SIZE HAIL

Local storm report, Mar 25, 7:30 PM EST, 12 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED ISSUANCE TIME
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
730 PM EST TUE MAR 25 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

510 PM     RAYLE                     GA   1.75 INCH HAIL
3/25/97    WILKES
                                          TREES BLOWN DOWN
                                          SHINGLES BLOWN OFF STORE

710 PM     0.5NW MONROE              GA   0.75 INCH HAIL
3/25/97    WALTON                         DIME SIZE HAIL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 7:25 PM EST	Severe Thunderstorm Warning	FFC	Oconee	35 min
Mar 25, 8:00 PM EST	Severe Thunderstorm Warning	FFC	Oglethorpe	45 min
Mar 25, 8:38 PM EST	Severe Thunderstorm Warning	FFC	Jones	52 min
Mar 26, 12:10 AM EST	Severe Thunderstorm Warning	FFC	Bartow, Gordon, Pickens	50 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997 Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.