Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 8, NWS Atlanta, GA

January 7, 1998Morgan County, Putnam County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 7, 1998, 6:10 PM EST for Morgan County, Putnam County, Georgia. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 7, 1998, 6:10 PM EST (23:10 UTC)
Expired: Jan 7, 1998, 6:40 PM EST
In force: 30 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Morgan County, GA, Putnam County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 7, 4:00 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 100 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: 198 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 072310 RRA
SVRATL
GAC211-237-072340-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
610 PM EST WED JAN 7 1998

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  MORGAN COUNTY - NORTHEASTERN GEORGIA
  PUTNAM COUNTY - NORTHEASTERN GEORGIA

* UNTIL 640 PM EST

* SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
   MADISON                     AROUND 620 PM EST
   BUCKHEAD                    AROUND 620 PM EST
   APALACHEE                   AROUND 625 PM EST
   BOSTWICK                    AROUND 635 PM EST

* AT 608 PM EST...  12 MILES SOUTHWEST OF MADISON... A SEVERE
  THUNDERSTORM WAS INDICATED BY DOPPLER RADAR... MOVING NORTHEAST
  60 MPH.

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. BOATERS...GOLFERS...
AND OTHERS INVOLVED IN OUTSIDE ACTNIVITIES SHOULD SEEK SHELTER
IMMEDIATELY. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR
TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO
THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 3:17 PM EST	Severe Thunderstorm Warning	FFC	Carroll	33 min
Jan 7, 3:24 PM EST	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	31 min
Jan 7, 3:28 PM EST	Severe Thunderstorm Warning	FFC	Polk	32 min
Jan 7, 4:58 PM EST	Severe Thunderstorm Warning	FFC	Crawford	32 min
Jan 7, 5:15 PM EST	Severe Thunderstorm Warning	FFC	Monroe	30 min
Jan 7, 5:36 PM EST	Severe Thunderstorm Warning	FFC	Jasper, Jones	34 min
Jan 7, 5:52 PM EST	Severe Thunderstorm Warning	FFC	Bibb	33 min
Jan 7, 6:15 PM EST	Severe Thunderstorm Warning	FFC	Jones	30 min
Jan 7, 6:53 PM EST	Severe Thunderstorm Warning	FFC	Jones	27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every severe thunderstorm warning in 1998

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.