Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 877, NWS Atlanta, GA

July 27, 1998Madison County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 27, 1998, 1:54 PM EDT for Madison County, Georgia. It was in force for 31 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
Jul 27, 1998, 1:54 PM EDT (17:54 UTC)
Expired
Jul 27, 1998, 2:25 PM EDT
In force
31 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Madison County, GA

The radar

The Greer radar (KGSP), 124 km from the middle of the area, began a volume at 17:57 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.9 hours before the alert went out and 146 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 494 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
494 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

600 
WUUS1 KATL 271756 RRA
SVRATL
GAC195-271825-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
154 PM EDT MON JUL 27 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 225 PM EDT

* AT 152 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  2 MILES NORTHWEST OF DANIELSVILLE MOVING SOUTHEAST AT 20
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   DANIELSVILLE                AROUND 155 PM EDT
   DIAMOND HILL                AROUND 200 PM EDT
   HULL                        AROUND 205 PM EDT
   COLBERT                     AROUND 210 PM EDT



WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS
DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. IF BOATING OR
SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN
FIND A LOW SPOT AWAY FROM TREES...FENCES...AND POLES. 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.


MPM/MRR

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 27, 11:45 AM EDT, 2 hours 9 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-280000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1145 AM EDT MON JUL 27 1998

SCATTERED THUNDERSTORMS WILL CONTINUE OVER NORTH AND CENTRAL GEORGIA
THIS AFTERNOON.

ALTHOUGH NORTH AND CENTRAL GEORGIA ARE NOT EXPECTING WIDESPREAD
SEVERE WEATHER TODAY...ISOLATED HAIL AND DAMAGING WINDS ARE POSSIBLE
WITH A FEW OF THE STRONGER STORMS THAT DEVELOP AND PERSIST INTO THE
EVENING. LOCALLY HEAVY RAINFALL IS ALSO A POSSIBILITY.

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME...HOWEVER SPOTTER
GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND CENTRAL
GEORGIA SHOULD CONTINUE TO MONITOR WEATHER CONDITIONS.

MSS
Special weather statement, Jul 27, 11:45 AM EDT, 2 hours 9 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-280000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1145 AM EDT MON JUL 27 1998

SCATTERED THUNDERSTORMS WILL CONTINUE OVER NORTH AND CENTRAL GEORGIA
THIS AFTERNOON.

ALTHOUGH NORTH AND CENTRAL GEORGIA ARE NOT EXPECTING WIDESPREAD
SEVERE WEATHER TODAY...ISOLATED HAIL AND DAMAGING WINDS ARE POSSIBLE
WITH A FEW OF THE STRONGER STORMS THAT DEVELOP AND PERSIST INTO THE
EVENING. LOCALLY HEAVY RAINFALL IS ALSO A POSSIBILITY.

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME...HOWEVER SPOTTER
GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND CENTRAL
GEORGIA SHOULD CONTINUE TO MONITOR WEATHER CONDITIONS.

MSS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:27 PM EDTSevere Thunderstorm WarningFFCLaurens33 min
Jul 27, 4:14 PM EDTSevere Thunderstorm WarningFFCWheeler36 min
Jul 27, 4:41 PM EDTSevere Thunderstorm WarningFFCToombs34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every 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; radar from the NEXRAD Level II archive.